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chara:operating_procedures [2018/07/05 08:33]
jones [Setting up Computer in the Control Room] 		chara:operating_procedures [2019/05/09 21:58]
gail_stargazer
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-=====Observing Procedures===== +===== Observing Procedures =====
- +
-__**OBSERVING PROCEDURES**__\\  +
-[[chara:operating_procedures#lab_protocol|Lab Protocol]]\\  +
-[[chara:operating_procedures#preparations_in_the_lab_prior_to_observing|Preparations in the Lab Prior to Observing]]\\  +
-[[chara:operating_procedures#setting_up_computer_in_the_control_room|Setting up Computer in the Control Room]]\\  +
-[[chara:text_commands_for_chara_guis|Text Commands for CHARA GUIs]]\\  +
-[[chara:operating_procedures#observing_conditions|Observing Conditions]]\\  +
-[[chara:operating_procedures#going_on_sky|Going on Sky]]\\  +
-[[chara:operating_procedures#procedure_for_shutting_down_at_the_end_of_the_night|Procedure for Shutting Down the Array]]\\  +
-\\  +
-__**SUPPLEMENTAL INFORMATION**__\\  +
-[[chara:remote_observing|Remote Observing]]\\  +
-[[chara:power_outage|Power Outage]]\\  +
-{{chara:files:Co-Phasing_with_CHARA.pdf|Co-phasing with the CHARA phase reference}}\\  +
-{{chara:files:labao_with_starlight_v4.pdf|Using Labao with Starlight}}\\  +
-{{chara:files:S2_New_Finder_Camera-r1.docx|New S2 Finder Instructions}}\\  +
-[[chara:night_time_pop_changes|Night-time POP Changes]]\\  +
-[[chara:azimuth_coude_alignments|Azimuth coudé alignments]]\\  +
-{{chara:files:tiptilt_splitters_change.pdf|Tip-tilt Splitters Change}}\\  +
-[[chara:trouble_shooting|Trouble Shooting]]\\  +
-[[chara:horizons|Telescope Horizon Limits]]\\  +
-[[chara:restarting_servers|Restarting Servers]]\\  +
-\\  +
-**__INSTRUMENTS__** \\  +
-[[chara:instruments|Instrument Manuals]]\\  +
-[[chara:instruments|Observing Logs]]\\  +
-[[chara:fringe_offsets|Recent fringe offsets]]\\  +
-[[chara:instruments|Software setup for specific instruments]]\\  +
-[[chara:classic_faint_object_procedures|Classic Faint Object Procedures]]\\  +
-\\  +
-__**DOCUMENTATION TO BE UPDATED**__ \\   +
-Note: the information contained in these wiki pages needs to be incorporated into the documentation in the CVS tree.\\  +
-\\  +
-CHARA Array Operating Procedures\\   +
-Copyright © 2005-2018 The CHARA Team\\   +
-Last updated: 2018-01-11\\  +
-\\  +
-\\  +
-\\  +
-{{chara:files:Picture_21.png|Picture_21.png}}\\  +
-\\  +
-\\  +
-{{chara:files:Picture_22.png|Picture_22.png}}\\  +
-\\  +
-\\  +
-\\  +
-\\  +
-_\\  +
-\\  +
-\\ +
  
 +__**OBSERVING PROCEDURES**__ \\
 +[[:chara:operating_procedures#lab_protocol|Lab Protocol]]\\
 +[[:chara:operating_procedures#preparations_in_the_lab_prior_to_observing|Preparations in the Lab Prior to Observing]]\\
 +[[:chara:operating_procedures#setting_up_computer_in_the_control_room|Setting up Computer in the Control Room]]\\
 +[[:chara:text_commands_for_chara_guis|Text Commands for CHARA GUIs]]\\
 +[[:chara:operating_procedures#observing_conditions|Observing Conditions]]\\
 +[[:chara:operating_procedures#going_on_sky|Going on Sky]]\\
 +[[:chara:operating_procedures#procedure_for_shutting_down_at_the_end_of_the_night|Procedure for Shutting Down the Array]]\\
 +\\
 +__**SUPPLEMENTAL INFORMATION**__ \\
 +[[:chara:remote_observing|Remote Observing]]\\
 +[[:chara:power_outage|Power Outage]]\\
 +{{:chara:files:co-phase2019.pdf|Co-phasing with the CHARA phase reference}} \\
 +[[https://docs.google.com/document/d/1w1Ppi21b0Uh37R52btCgwsX6dNYUfEE5hUhncDlNvYQ/edit#|Instructions for using the Six Telescope Simulator (STS)]]\\
 +{{:chara:files:labao_with_starlight_v4.pdf|Using Labao with Starlight}} \\
 +[[https://docs.google.com/document/d/1b1f0pgeeKOx5NO-jUOCbFM-e7b9GL8iBMFijD1B3Qc8/edit#|Telescope AO User Manual]]\\
 +{{:chara:files:s2_new_finder_camera-r1.docx|New S2 Finder Instructions}} \\
 +[[:chara:night_time_pop_changes|Night-time POP Changes]]\\
 +[[:chara:azimuth_coude_alignments|Azimuth coudé alignments]]\\
 +{{:chara:files:tiptilt_splitters_change.pdf|Tip-tilt Splitters Change}} \\
 +[[:chara:trouble_shooting|Trouble Shooting]]\\
 +[[:chara:horizons|Telescope Horizon Limits]]\\
 +[[:chara:restarting_servers|Restarting Servers]]\\
 +\\
 +**__INSTRUMENTS__ ** \\
 +[[:chara:instruments|Instrument Manuals]]\\
 +[[:chara:instruments|Observing Logs]]\\
 +[[:chara:fringe_offsets|Recent fringe offsets]]\\
 +[[:chara:instruments|Software setup for specific instruments]]\\
 +[[:chara:classic_faint_object_procedures|Classic Faint Object Procedures]]\\
 +\\
 +__**DOCUMENTATION TO BE UPDATED**__ \\
 +Note: the information contained in these wiki pages needs to be incorporated into the documentation in the CVS tree.\\
 +\\
 +CHARA Array Operating Procedures\\
 +Copyright © 2005-2018 The CHARA Team\\
 +Last updated: 2018-01-11\\
 +\\
 +\\
 +\\
 +{{:chara:files:picture_21.png|Picture_21.png}}\\
 +\\
 +\\
 +{{:chara:files:picture_22.png|Picture_22.png}}\\
 +\\
 +\\
 +\\
 +\\
 +_\\
 +\\
 **Chapter 1:** **Chapter 1:**
-====Lab Protocol====+==== Lab Protocol ====
  
-\\  +\\ 
-\\  +\\ 
-{{chara:files:Picture_28.png|Picture_28.png}}{{chara:files:Picture_29.png|Picture_29.png}}\\  +{{:chara:files:picture_28.png|Picture_28.png}}{{:chara:files:picture_29.png|Picture_29.png}} 
-\\  + 
-===1.1 Lab Rules Intro=== +=== 1.1 Lab Rules Intro === 
-\\  The CHARA optics lab is a building within a building and is intended to provide thermal and vibrational stability. The main goal of the CHARA lab rules is to keep all optics and equipment safe from any hazards. The crucial issue being misalignment of anything. The amount of dust and dander must be kept to a minimum.\\  + 
-\\  +\\ 
-===1.2 The Metrology Laser=== +The CHARA optics lab is a building within a building and is intended to provide thermal and vibrational stability. The main goal of the CHARA lab rules is to keep all optics and equipment safe from any hazards. The crucial issue being misalignment of anything. The amount of dust and dander must be kept to a minimum. 
-\\ A high-powered infrared laser is used for the delay line metrology. This is an eye hazard, so before entering the lab check to make sure the red light above the door is not on. If the laser is activated, it is a must to put on IR-protective goggles. If you are not sure, wear the goggles.\\  + 
-\\  +=== 1.2 The Metrology Laser === 
-===1.3 General Lab Rules=== + 
-\\ Please remember that:\\   +\\ 
-Procedures in the lab must be followed closely and failure to follow these rules will result in loss of lab privileges.\\  +A high-powered infrared laser is used for the delay line metrology. This is an eye hazard, so before entering the lab check to make sure the red light above the door is not on. If the laser is activated, it is a must to put on IR-protective goggles. If you are not sure, wear the goggles. 
-\\   + 
-  * Before entering the lab, you must have a reason or tasks at hand.\\   +=== 1.3 General Lab Rules === 
-  * Lab booties/shoe covers must be worn by all. Throw out booties that have holes in them. The traction tape on the steps are particularly rough on booties so examine them before and after using them.\\   + 
-  * Proper clothing is also important. Loose hanging jackets or garments can snag on mirrors or other exposed equipment and are better left outside of the lab until you are finished.\\   +\\ 
-  * Please be alert and move slowly and cautiously.\\   +Please remember that:\\ 
-  * When entering the lab make sure to walk across the sticky floor mat. If the mat isn’t sticky, remove the top layer. If this is close to the final layer please notify the staff.\\   +Procedures in the lab must be followed closely and failure to follow these rules will result in loss of lab privileges.\\ 
-  * No more than three people are allowed in the lab at once unless it is 3 to 4 hours before observing time or there is some pressing need. Many bodies can create unwanted atmospheric effects. Besides, with too many people, it is too easy to bump into each other and the equipment.\\   +* Before entering the lab, you must have a reason or tasks at hand. 
-  * If you bump, hit, move or just tap anything in the slightest way, let us know.\\   + 
-  * Never touch anything you have not been trained to use. If ever in any doubt, leave it alone and get someone who knows.\\   +  * Lab booties/shoe covers must be worn by all. Throw out booties that have holes in them. The traction tape on the steps are particularly rough on booties so examine them before and after using them. 
-  * Any unusual sounds, sights, movement of equipment, etc., should be noted.\\   +  * Proper clothing is also important. Loose hanging jackets or garments can snag on mirrors or other exposed equipment and are better left outside of the lab until you are finished. 
-  * You must know the path of the laser beams, metrology or alignment. Stay out of their way especially right before observing. If you must go into the lab during this time don’t forget to put on IR-protective goggles.\\  +  * Please be alert and move slowly and cautiously. 
-  * Access and use of the lab requires training. If a piece of equipment does not appear to be operating properly let us know immediately. Also if you are uncertain about a lab procedure or a step in the alignment sequence contact us before proceeding.\\  +  * When entering the lab make sure to walk across the sticky floor mat. If the mat isn’t sticky, remove the top layer. If this is close to the final layer please notify the staff. 
-  * When leaving the lab any time of the day, remember to turn off all lights (fluorescent and incandescent). Lights left on generate unnecessary heat in the lab.\\  +  * No more than three people are allowed in the lab at once unless it is 3 to 4 hours before observing time or there is some pressing need. Many bodies can create unwanted atmospheric effects. Besides, with too many people, it is too easy to bump into each other and the equipment. 
-\\  +  * If you bump, hit, move or just tap anything in the slightest way, let us know. 
-[[chara:operating_procedures|Back to Main Menu]]\\  +  * Never touch anything you have not been trained to use. If ever in any doubt, leave it alone and get someone who knows. 
-\\  +  * Any unusual sounds, sights, movement of equipment, etc., should be noted. 
-\\  +  * You must know the path of the laser beams, metrology or alignment. Stay out of their way especially right before observing. If you must go into the lab during this time don’t forget to put on IR-protective goggles. 
-**Chapter 2:** Version 2. August 27, 2012 by Judit, Version 3 January 2015 by Norm, Version ? October 2017 by Norm\\ +  * Access and use of the lab requires training. If a piece of equipment does not appear to be operating properly let us know immediately. Also if you are uncertain about a lab procedure or a step in the alignment sequence contact us before proceeding. 
-====Preparations in the Lab Prior to Observing==== +  * When leaving the lab any time of the day, remember to turn off all lights (fluorescent and incandescent). Lights left on generate unnecessary heat in the lab. 
-\\  + 
-These are routine tasks to be performed in and around the lab every evening to prepare the array for regular observations.\\  + \\ [[:chara:operating_procedures|Back to Main Menu]] \\ 
-\\  + \\ 
-===2.1 Starting the vacuum pump for the light pipes=== + \\ 
-Go into vacuum pump shack\\ +**Chapter 2:**  Version 2. August 27, 2012 by Judit, Version 3 January 2015 by Norm, Version ? October 2017 by Norm 
 + 
 +==== Preparations in the Lab Prior to Observing ==== 
 + 
 + \\ These are routine tasks to be performed in and around the lab every evening to prepare the array for regular observations. 
 + 
 +=== 2.1 Starting the vacuum pump for the light pipes === 
 + 
 +Go into vacuum pump shack
  
   * flip on power switch for pump (wait for blower to go on)   * flip on power switch for pump (wait for blower to go on)
Line 96: Line 104:
   * plug in fan cords to wall outlet to keep pumps cool   * plug in fan cords to wall outlet to keep pumps cool
   * Note oil temperature when you start up. Oil temps below 20º C make for a labored start. Inform Larry if the oil temp is low and the heater did not run to bring the temp up before starting.   * Note oil temperature when you start up. Oil temps below 20º C make for a labored start. Inform Larry if the oil temp is low and the heater did not run to bring the temp up before starting.
-\\  + 
-Go into building,\\ + \\ Go into building, 
   * check pressures on Vacmon display. If pressure is higher than 100 torr in any of the lines, pump those lines only one at a time. Open valve a little, then come back to open fully. When all lines to be used are well below 100 torr, open all those valves.   * check pressures on Vacmon display. If pressure is higher than 100 torr in any of the lines, pump those lines only one at a time. Open valve a little, then come back to open fully. When all lines to be used are well below 100 torr, open all those valves.
  
-The final pressure should be 0.5 - 1.0 Torr in each line. The pump will normally bring all 6 lines down to .2-.3 Torr. The S1 and S2 lines leak the most during the day and will read the highest in the afternoon when you return, usually around 10 and 20 Torr. Note any unusual vacuum readings as they can indicate a leak beyond what is normal. Sometimes a line isn't pumped down the night before and can read higher than 30 Torr. Pump the highest ones down first as stated above.\\  +The final pressure should be 0.5 - 1.0 Torr in each line. The pump will normally bring all 6 lines down to .2-.3 Torr. The S1 and S2 lines leak the most during the day and will read the highest in the afternoon when you return, usually around 10 and 20 Torr. Note any unusual vacuum readings as they can indicate a leak beyond what is normal. Sometimes a line isn't pumped down the night before and can read higher than 30 Torr. Pump the highest ones down first as stated above. 
-\\  + 
-\\  +=== 2.2 Filling IR cameras with LN2 === 
-===2.2 Filling IR cameras with LN2=== + 
-\\  + \\ Fill both chambers on the NIRO camera. Use the gloves and glasses provided on the shelf with the funnels and the thermos. It will normally take 1 liter of LN2 in the outer chamber and 1/2 liter in the inner chamber. Fill it until the LN2 bubbles out of the top. This camera is normally kept cool all the time, exceptions will be noted. \\  \\ Fill the other dewars ONLY if you were specifically asked to do so. Other IR cameras: JouFLU and Cali (the blue dewar on the JouFLU table). \\  \\ Record that you filled the cameras in the log book, noting time and cameras filled. If you do not observe due to weather, fire or closure, make sure someone on the mountain will fill it for you. 
-Fill both chambers on the NIRO camera. Use the gloves and glasses provided on the shelf with the funnels and the thermos. It will normally take 1 liter of LN2 in the outer chamber and 1/2 liter in the inner chamber. Fill it until the LN2 bubbles out of the top. This camera is normally kept cool all the time, exceptions will be noted.\\  + 
-\\  +=== 2.3 Alignment of the light path to the telescopes === 
-Fill the other dewars ONLY if you were specifically asked to do so. Other IR cameras: JouFLU and Cali (the blue dewar on the JouFLU table).\\  + 
-\\   + \\ Go into the lab. The green alignment laser on the light source table is used. To open necessary guis, use laptops or the two tablets inside lab. Tablets are the newest hand held units and are located on the west and south walls plugged into chargers. \\  \\ 2.3.1 In the lab (Beam Combination area)
-Record that you filled the cameras in the log book, noting time and cameras filled. If you do not observe due to weather, fire or closure, make sure someone on the mountain will fill it for you.\\  +
-\\  +
-===2.3 Alignment of the light path to the telescopes=== +
-\\  +
-Go into the lab. The green alignment laser on the light source table is used. To open necessary guis, use laptops or the two tablets inside lab. Tablets are the newest hand held units and are located on the west and south walls plugged into chargers.\\  +
-\\  +
-2.3.1 In the lab (Beam Combination area)\\ +
  
   * Turn on power switch for alignment laser, and turn the key.   * Turn on power switch for alignment laser, and turn the key.
   * Above the tiptilt camera, turn on the Pico 3 controller.   * Above the tiptilt camera, turn on the Pico 3 controller.
-\\  + 
-2.3.2 Check the laser spots on the E table (at North wall of Beam Switching area)\\ + \\ 2.3.2 Check the laser spots on the E table (at North wall of Beam Switching area)
  
   * on Laser Filter gui, select ND 0.0   * on Laser Filter gui, select ND 0.0
Line 131: Line 133:
   * use the Beam Samplers gui to put telescopes back on the appropriate beams.   * use the Beam Samplers gui to put telescopes back on the appropriate beams.
   * Note that when multiple telescope/beam configurations are requested, aligning to the secondary configuration or back up telescopes first, then finishing with the primary configuration is more efficient.   * Note that when multiple telescope/beam configurations are requested, aligning to the secondary configuration or back up telescopes first, then finishing with the primary configuration is more efficient.
-\\  + 
-If the telescopes were used on the same beam on the previous night, the next steps may be very close and not need much if any adjustment.\\  + \\ If the telescopes were used on the same beam on the previous night, the next steps may be very close and not need much if any adjustment. \\  \\ 2.3.3 Next check the dichroic target on the beam sampler tables for each telescope. NOTE: As of 2017Jul05, please align the dichroics following the instructions in {{:chara:files:setup_with_labao-1.pdf|Setup with LABAO document}}.
-\\  +
-2.3.3 Next check the dichroic target on the beam sampler tables for each telescope. NOTE: As of 2017Jul05, please align the dichroics following the instructions in {{chara:files:Setup_with_LABAO-1.pdf|Setup with LABAO document}}.\\ +
  
   * Send the beam sampler for each telescope to the requested beam according to the configuration for the night.   * Send the beam sampler for each telescope to the requested beam according to the configuration for the night.
Line 141: Line 141:
   * If the laser spot does not have clear diffraction rings or center, then use Iris gui to change the diffraction pattern.   * If the laser spot does not have clear diffraction rings or center, then use Iris gui to change the diffraction pattern.
   * Select the telescope’s dichroic (example: W1DICHR ) on Pico 1 controller. Use a tablet or use hand paddle on appropriate channel (channel table posted above Pico1 box at the side of W1 table) to align laser onto target.   * Select the telescope’s dichroic (example: W1DICHR ) on Pico 1 controller. Use a tablet or use hand paddle on appropriate channel (channel table posted above Pico1 box at the side of W1 table) to align laser onto target.
-\\  + 
-2.3.4 Check the spot on the rail target\\ + \\ 2.3.4 Check the spot on the rail target
  
   * Put the rail target onto delay lines (toward back of the room from home sensor)   * Put the rail target onto delay lines (toward back of the room from home sensor)
Line 148: Line 148:
   * check spot on back side of target   * check spot on back side of target
   * if alignment is bad at the back, follow instructions for BRT adjustments. (Printed sheet on metrology table. )   * if alignment is bad at the back, follow instructions for BRT adjustments. (Printed sheet on metrology table. )
-\\  + 
-2.3.5 The periscope covers are not used anymore so nothing to remember here.\\  + \\ 2.3.5 The periscope covers are not used anymore so nothing to remember here. \\  \\ 2.3.6 M10 Alignment: \\ Go to a computer anywhere to check the beam remotely at the telescopes.
-\\  +
-2.3.6 M10 Alignment: \\  +
-Go to a computer anywhere to check the beam remotely at the telescopes. \\ +
  
   * look at Vacuum Monitor, check that the vacuum is below 20 torr   * look at Vacuum Monitor, check that the vacuum is below 20 torr
Line 160: Line 157:
   * you want to center bright spot in beam on the black reference spot   * you want to center bright spot in beam on the black reference spot
   * may need to adjust the IRIS to see the bright spot well. [BEAM] cycles the iris from open to closed and gives a good idea of where the center of the spot is.   * may need to adjust the IRIS to see the bright spot well. [BEAM] cycles the iris from open to closed and gives a good idea of where the center of the spot is.
-  * to adjust the position, use Pico 2 to select, for example, E2M10 -> [MOVE] (use large steps ~ 100)+  * to adjust the position, use Pico 2 to select, for example, E2M10 → [MOVE] (use large steps ~ 100)
   * Note that the up, down, left, and right buttons do no correspond to the actual directions the spot will move   * Note that the up, down, left, and right buttons do no correspond to the actual directions the spot will move
   * when the spot is centered, click [M7 close] to close the mirror cover   * when the spot is centered, click [M7 close] to close the mirror cover
   * click TV [OFF] to close the window   * click TV [OFF] to close the window
-\\  + 
-2.3.7 Labao wfs camera covers and labao shutters \\ + \\ 2.3.7 Labao wfs camera covers and labao shutters \\ The labao camera covers should be kept off, but put the covers on gently any time when you need to put the small corner cubes in place at the BRTs to work with the internal sources to protect the cameras. \\  \\ **Covers on**  when doing the following alignment steps in the lab:
-The labao camera covers should be kept off, but put the covers on gently any time when you need to put the small corner cubes in place at the BRTs to work with the internal sources to protect the cameras.\\  +
-\\  +
-**Covers on** when doing the following alignment steps in the lab:\\ +
  
   * IR mirror check to CLIMB or MIRC with alignment laser   * IR mirror check to CLIMB or MIRC with alignment laser
   * beam combiner alignments with white light source   * beam combiner alignments with white light source
   * tiptilt Zabers alignment with alignment laser   * tiptilt Zabers alignment with alignment laser
-**Covers off** after you removed the corner cubes from their bases.\\  + 
-\\   +**Covers off**  after you removed the corner cubes from their bases. \\  \\ The labao cameras (just like the tiptilt camera) are safe during pop changes as long as you do not open any labao shutters. You will notice increased counts on the labao cameras (just like in the tiptilt camera) whenever ND=0 alignment laser is going through the system, but this is not harmful as long as the labao shutters are closed. While observing none of the labao shutters need to be or should be opened. As usual, dim the laser after you are done with the pop change to protect any camera in the lab from ghost reflections and scattered laser light. 
-The labao cameras (just like the tiptilt camera) are safe during pop changes as long as you do not open any labao shutters. You will notice increased counts on the labao cameras (just like in the tiptilt camera) whenever ND=0 alignment laser is going through the system, but this is not harmful as long as the labao shutters are closed. While observing none of the labao shutters need to be or should be opened. As usual, dim the laser after you are done with the pop change to protect any camera in the lab from ghost reflections and scattered laser light.\\  + 
-\\  +=== 2.4 Alignment of the IR light toward beam combiners === 
-===2.4 Alignment of the IR light toward beam combiners=== + 
-\\  + \\ The IR mirrors on the beam samplers can be adjusted using Pico 2 controller to targets depending on which IR beam combiner is to be used. \\  \\ For CLIMB 1 and CLIMB 2, the removable 6-beam target should be placed in the clamps on the CLIMB table. This also applies to aligning CLIMB for fringe tracking for VEGA or fringe finding for PAVO. \\  \\ For MIRC or JouFLU, the same target should be placed in the clamps on the MIRC table.
-The IR mirrors on the beam samplers can be adjusted using Pico 2 controller to targets depending on which IR beam combiner is to be used.\\  +
-\\  +
-For CLIMB 1 and CLIMB 2, the removable 6-beam target should be placed in the clamps on the CLIMB table. This also applies to aligning CLIMB for fringe tracking for VEGA or fringe finding for PAVO.\\  +
-\\  +
-For MIRC or JouFLU, the same target should be placed in the clamps on the MIRC table.\\  +
-\\ +
  
   * Place the target to the appropriate table, making sure it seats firmly in the clamps.   * Place the target to the appropriate table, making sure it seats firmly in the clamps.
Line 192: Line 180:
   * Select the appropriate IR mirror for the beam you are about to adjust. For ex: S1IR. The Beam Sampler gui tells you which telescope is in the beam you are aligning.   * Select the appropriate IR mirror for the beam you are about to adjust. For ex: S1IR. The Beam Sampler gui tells you which telescope is in the beam you are aligning.
   * When done for all telescope to be used, remove target and place it above the CLASSIC/CLIMB table and remove corner cubes from their stands and place them to the side of the beam path.   * When done for all telescope to be used, remove target and place it above the CLASSIC/CLIMB table and remove corner cubes from their stands and place them to the side of the beam path.
-\\  + 
-\\  +=== 2.5 Starting up OPLE and Metrology === 
-===2.5 Starting up OPLE and Metrology=== + 
-\\  + \\ Go to OPLE racks
-Go to OPLE racks\\ +
  
   * turn on OPLE Power on top unit (top of left most rack) This is the VME.   * turn on OPLE Power on top unit (top of left most rack) This is the VME.
   * then turn on power for surge protector (bottom of left most rack)   * then turn on power for surge protector (bottom of left most rack)
   * turn on power for amplifiers for cart movement and cable pullers and once the central red light on the VME rack goes out, turn on the Burleigh amplifiers for telescopes that will be used.   * turn on power for amplifiers for cart movement and cable pullers and once the central red light on the VME rack goes out, turn on the Burleigh amplifiers for telescopes that will be used.
-\\  + 
-On computer outside lab, bring up Primary Ople Server\\ + \\ On computer outside lab, bring up Primary Ople Server
  
   * Once the server comes up, type in "syncople" in the server, and make sure the ople time matches the CHARA time.   * Once the server comes up, type in "syncople" in the server, and make sure the ople time matches the CHARA time.
-\\  + 
-Go inside lab to check carts\\ + \\ Go inside lab to check carts
  
   * from pull-down menu, under GTK, open Primary OPLE GUI   * from pull-down menu, under GTK, open Primary OPLE GUI
Line 212: Line 199:
   * click on [CONTROL]   * click on [CONTROL]
   * on the OPLE Control, click on [FRONT] - listen - [OFF] (can hit all in succession, then hit [ALL OFF]) If there is any squeaking noise (low hum ok), stop carts.   * on the OPLE Control, click on [FRONT] - listen - [OFF] (can hit all in succession, then hit [ALL OFF]) If there is any squeaking noise (low hum ok), stop carts.
- Possible fix: to shut off and turn back on OPLE racks, restart OPLE server\\   + 
-Check delay line wires on carts, sure nothing is on tracks\\  +Possible fix: to shut off and turn back on OPLE racks, restart OPLE server \\ Check delay line wires on carts, sure nothing is on tracks \\  \\ On the Metrology table inside the lab
-\\  +
-On the Metrology table inside the lab\\ +
  
   * Turn on two blue amplifiers for metrology laser (on button is labeled "line") The units will hum when on.   * Turn on two blue amplifiers for metrology laser (on button is labeled "line") The units will hum when on.
   * Turn the key to ON on the laser power box to put metrology laser on standby   * Turn the key to ON on the laser power box to put metrology laser on standby
-\\  + 
-\\  +=== 2.6 Final steps in the lab ===
-===2.6 Final steps in the lab=== +
-\\ +
  
   * If using CLASSIC or CLIMB, turn on the black box above the NIRO computer, and then turn on the silver box below it on the same cart.   * If using CLASSIC or CLIMB, turn on the black box above the NIRO computer, and then turn on the silver box below it on the same cart.
   * After lab is completely setup, you need to take off tiptilt cover, but do so with only the dim lights on and the laser shutter closed >> you don't want to blast CCD with light.   * After lab is completely setup, you need to take off tiptilt cover, but do so with only the dim lights on and the laser shutter closed >> you don't want to blast CCD with light.
-\\  
-[[chara:operating_procedures|Back To Main Menu]]\\  
-\\  
-\\   
  
-**Chapter 3: **(edited 2012Aug29 by Gail and Chris) + \\ [[:chara:operating_procedures|Back To Main Menu]] 
-====Setting up Computer in the Control Room==== + 
-\\  +**Chapter 3: **  (edited 2012Aug29 by Gail and Chris) 
-===3.1 General Overview of Computer Setup=== + 
-\\ +==== Setting up Computer in the Control Room ==== 
 + 
 +=== 3.1 General Overview of Computer Setup ===
  
   * There are six computer screens which are now horizontally arrayed.   * There are six computer screens which are now horizontally arrayed.
-\\  + 
-{{chara:files:fig_monitors_new.jpg|fig_monitors_new.jpg}}\\  + \\ {{:chara:files:fig_monitors_new.jpg|fig_monitors_new.jpg}}
-\\ +
  
   * Things should be arranged as follows:   * Things should be arranged as follows:
-    * Screen 1: Dome server guis, icons for most servers and guis +      * Screen 1: Dome server guis, icons for most servers and guis 
-    * Screen 2: Weather graph showing RH, winds, or temperatures and any overflow guis +      * Screen 2: Weather graph showing RH, winds, or temperatures and any overflow guis 
-    * Screen 3: Telescope, GPS, and Metrology servers, Shutters, filters, Metrology, Visbeams, Beam Samplers, PoPs, Iris, Pico2, and other small guis +      * Screen 3: Telescope, GPS, and Metrology servers, Shutters, filters, Metrology, Visbeams, Beam Samplers, PoPs, Iris, Pico2, and other small guis 
-    * Screen 4: Cosmic Debris, Power, Enclosures, and weather guis +      * Screen 4: Cosmic Debris, Power, Enclosures, and weather guis 
-    * Screen 5: Telescope guis, tiptilt gui +      * Screen 5: Telescope guis, tiptilt gui 
-    * Screen 6: OPLE, Classic/Climb, Tiptilt servers and guis +      * Screen 6: OPLE, Classic/Climb, Tiptilt servers and guis 
-\\  + 
-===3.2 After aligning the lab, you can turn on the following from the POWER GUI:=== +=== 3.2 After aligning the lab, you can turn on the following from the POWER GUI: ===
-\\ +
  
   * To change the setting on the power GUI, unclick LOCK, make change, re-click LOCK   * To change the setting on the power GUI, unclick LOCK, make change, re-click LOCK
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   * Under LABPOW, turn on [T/T COMMS] This has been replaced by the Tiptilt Socket as of Fall 2014. If the socket fails, the serial comms can be used to establish the connection to tiptilt.   * Under LABPOW, turn on [T/T COMMS] This has been replaced by the Tiptilt Socket as of Fall 2014. If the socket fails, the serial comms can be used to establish the connection to tiptilt.
   * For each telescope being used, turn on [TIP/TILT]. [COMMS] has been replaced by Tiptilt Socket as well.   * For each telescope being used, turn on [TIP/TILT]. [COMMS] has been replaced by Tiptilt Socket as well.
-\\  + 
-===3.3 Open servers required for observing=== +=== 3.3 Open servers required for observing ===
-\\ +
  
   * Open servers from the pop up menu at bottom of screen 5, using the black platter icon.   * Open servers from the pop up menu at bottom of screen 5, using the black platter icon.
Line 272: Line 250:
   * Open Metrology Monitor (METROL) gui, (upper right of screen 3), this gui usually remains open.   * Open Metrology Monitor (METROL) gui, (upper right of screen 3), this gui usually remains open.
   * Open Metrology Laser (METLAS) gui, (upper right of screen 3), this gui usually remains open.   * Open Metrology Laser (METLAS) gui, (upper right of screen 3), this gui usually remains open.
-\\  + 
-===3.4 Open Telescope GUIs from the menu=== +=== 3.4 Open Telescope GUIs from the menu ===
- \\ +
  
   * Open needed Telescope guis, put on screen 5. All 6 scope guis can fit on one screen, but the TV windows will overlap slightly if all 6 are used for MIRC observing.   * Open needed Telescope guis, put on screen 5. All 6 scope guis can fit on one screen, but the TV windows will overlap slightly if all 6 are used for MIRC observing.
   * On the main tab for each telescope gui, click [ON] under Television to turn on the TV screen   * On the main tab for each telescope gui, click [ON] under Television to turn on the TV screen
-\\  + 
-===3.5 Open GUIs required for observing from the menu under GTK:=== +=== 3.5 Open GUIs required for observing from the menu under GTK: ===
-\\ +
  
   * Open Primary OPLE gui (move to right side of OPLE server)   * Open Primary OPLE gui (move to right side of OPLE server)
Line 286: Line 262:
   * Open LDC1 and LDC2 if VEGA or PAVO programs are observing   * Open LDC1 and LDC2 if VEGA or PAVO programs are observing
   * Open Tiptilt GUI   * Open Tiptilt GUI
-    * This will bring up Tiptilt GUI and Tiptilt viewing screens for all telescopes +      * This will bring up Tiptilt GUI and Tiptilt viewing screens for all telescopes 
-    * Move viewing screens near telescope TV screens +      * Move viewing screens near telescope TV screens 
-\\  + 
-===3.6 Using the Cosmic Debris job sequencer=== +=== 3.6 Using the Cosmic Debris job sequencer === 
-\\  + 
-Open Cosmic Debris, CD for short, - Primary from the menu and move to screen 4\\  + \\ Open Cosmic Debris, CD for short, - Primary from the menu and move to screen 4
-\\ +
  
   * On the CONFIGURE tab, check to make sure the PoPs and telescope beam assignments agree with the white board   * On the CONFIGURE tab, check to make sure the PoPs and telescope beam assignments agree with the white board
-    * If the POPs are wrong on CD, then open the "PoPs" GUI from the menu +      * If the POPs are wrong on CD, then open the "PoPs" GUI from the menu 
-    * Click on the [Overview] button on the PoPs GUI +      * Click on the [Overview] button on the PoPs GUI 
-    * If nonsense comes up in the overview, then click [FLUSH] and then [REOPEN] on the PoPs GUI +      * If nonsense comes up in the overview, then click [FLUSH] and then [REOPEN] on the PoPs GUI 
-    * Then click [UPDATE] on the PoPs Overview +      * Then click [UPDATE] on the PoPs Overview 
-    * If the PoPs Overview is now correct, then click the [GET] button on the CD Control Tab, this should update the PoPs +      * If the PoPs Overview is now correct, then click the [GET] button on the CD Control Tab, this should update the PoPs 
-    * If the beams are not assigned correctly, move the beams accordingly to the proper telescope using the BeamSampler GUI and click [GET] on CD to update+      * If the beams are not assigned correctly, move the beams accordingly to the proper telescope using the BeamSampler GUI and click [GET] on CD to update
   * Select the active telescopes on the tab labeled "Configure"   * Select the active telescopes on the tab labeled "Configure"
   * Choose a suitable reference cart, using the same one from the night before to make fringe finding easier.   * Choose a suitable reference cart, using the same one from the night before to make fringe finding easier.
   * After everything is set correctly, then click [SEND] on Cosmic Debris to send the active scope information to Ople   * After everything is set correctly, then click [SEND] on Cosmic Debris to send the active scope information to Ople
-\\   + 
-Set the instrument and settings on Cosmic Debris\\ + \\ Set the instrument and settings on Cosmic Debris
  
   * On the "Control" tab on Cosmic Debris, select the beam combiner or combiners to be used.   * On the "Control" tab on Cosmic Debris, select the beam combiner or combiners to be used.
   * If using CLIMB or CLASSIC, also select the filter and beam   * If using CLIMB or CLASSIC, also select the filter and beam
-\\   + 
-Establish connection between tiptilt and the telescopes.\\ + \\ Establish connection between tiptilt and the telescopes.
  
   * On the Control Tab on Cosmic Debris, click on [TIPTILT COMM]   * On the Control Tab on Cosmic Debris, click on [TIPTILT COMM]
Line 316: Line 291:
   * After several seconds, the telescope servers will indicate that the Socket (SOC) connection is established and turn on the tiptilt rate display. Cosmic Debris will usually display a low rate, such as 42Hz, to indicate tiptilt is running. The servers will display 158Hz to show a proper functioning of the tiptilt system.   * After several seconds, the telescope servers will indicate that the Socket (SOC) connection is established and turn on the tiptilt rate display. Cosmic Debris will usually display a low rate, such as 42Hz, to indicate tiptilt is running. The servers will display 158Hz to show a proper functioning of the tiptilt system.
   * If the connection is not established the first time, try again until CD shows rates for each telescope used. If a telescope server will not display a TT signal rate, you may need to shut it down and restart it.   * If the connection is not established the first time, try again until CD shows rates for each telescope used. If a telescope server will not display a TT signal rate, you may need to shut it down and restart it.
-\\   + 
-Finish setting up tiptilt GUIs\\ + \\ Finish setting up tiptilt GUIs
  
   * Click re-open on the Tiptilt GUI. This will update the TT labels on the TT viewing screens from B1,B2,etc to the telescope names   * Click re-open on the Tiptilt GUI. This will update the TT labels on the TT viewing screens from B1,B2,etc to the telescope names
   * Click on the [SERVO CONTROL] tab on the tiptilt GUI to bring up a second window and move to screen 5 with the telescope guis.   * Click on the [SERVO CONTROL] tab on the tiptilt GUI to bring up a second window and move to screen 5 with the telescope guis.
   * The Servo Control GUI allows you to turn ON the servo for the TT loop and make biases for individual beams (DBIAS and ZBIAS)   * The Servo Control GUI allows you to turn ON the servo for the TT loop and make biases for individual beams (DBIAS and ZBIAS)
-\\  + 
-===3.7 Turn on metrology laser and home the carts=== +=== 3.7 Turn on metrology laser and home the carts === 
-\\  + 
-Turning on the metrology laser\\ + \\ Turning on the metrology laser
  
   * Make sure that no one is in the lab.   * Make sure that no one is in the lab.
   * Turn the Laser on using the metrology laser GUI. The [Laser Power] button will go from red to green.   * Turn the Laser on using the metrology laser GUI. The [Laser Power] button will go from red to green.
   * On the Metrology Monitor GUI, click [INITIALIZE] to initialize the metrology. A window will pop up to indicate a successful initialization. Hit [OK] on the window to close it.   * On the Metrology Monitor GUI, click [INITIALIZE] to initialize the metrology. A window will pop up to indicate a successful initialization. Hit [OK] on the window to close it.
-    * Select REFALL and the UNK signal for each cart being used. Hit "OK" to bring up plots. +      * Select REFALL and the UNK signal for each cart being used. Hit "OK" to bring up plots. 
-    * Click [CLEAR] on the metrology monitor to turn the unknown signals from red to white +      * Click [CLEAR] on the metrology monitor to turn the unknown signals from red to white 
-    * The signals should look like nice sine waves. If they are too narrow or erratic, a metrology alignment or self interference may be the reason. +      * The signals should look like nice sine waves. If they are too narrow or erratic, a metrology alignment or self interference may be the reason. 
-    * To close the metrology signal windows, click on [RUN MULTIPLE] again +      * To close the metrology signal windows, click on [RUN MULTIPLE] again 
-\\  + 
-Home each of the active carts\\ + \\ Home each of the active carts
  
   * The carts must be homed before observing or else fringes will not be found. Do not forget this step or endless frustration will follow.   * The carts must be homed before observing or else fringes will not be found. Do not forget this step or endless frustration will follow.
Line 343: Line 318:
   * After the carts finish homing, the ople server will say "HOMESETDONE"   * After the carts finish homing, the ople server will say "HOMESETDONE"
   * To check that the carts have homed properly, click [TRACK] on the Control Tab of the OPLE GUI   * To check that the carts have homed properly, click [TRACK] on the Control Tab of the OPLE GUI
-    * The cart will track to home switch at the target position of "0.000000" on the OPLE Server +      * The cart will track to home switch at the target position of "0.000000" on the OPLE Server 
-    * Make sure the "X" lights up and stays steady under the HM column on the Primary OPLE Server for each cart you will be using. +      * Make sure the "X" lights up and stays steady under the HM column on the Primary OPLE Server for each cart you will be using. 
-    * Also make sure that the errors between the laser and target position are small, (0.007µm or less is typical), when tracking at the home switch+      * Also make sure that the errors between the laser and target position are small, (0.007µm or less is typical), when tracking at the home switch
   * If the errors jump when the cart is tracking on the home switch, then turn the cart [OFF], move the cart [BACK] about a meter from the home switch, turn the cart [OFF], and try clicking [TRACK] again. Please wait for each command to register on the OPLE server before clicking the next button in this sequence. If the errors do not stay near zero, the metrology laser may be out of alignment and the signal is low or the VME may need to be restarted. Pull up a metrology signal window as shown above and confirm the signal is strong. It will look like a sine wave with an amplitude the same as the window height. If it is low, adjust it carefully with the MET2 gui in PICO 2. Get the sine wave to equal the window height. If it is ok and the problem persists, go to the lab, turn off the Burleigh amplifiers, turn off the VME, wait 15 seconds, turn it back on and wait for the red light to go off. Turn on the Burleigh amplifiers when the light has gone off. Try tracking the cart again.   * If the errors jump when the cart is tracking on the home switch, then turn the cart [OFF], move the cart [BACK] about a meter from the home switch, turn the cart [OFF], and try clicking [TRACK] again. Please wait for each command to register on the OPLE server before clicking the next button in this sequence. If the errors do not stay near zero, the metrology laser may be out of alignment and the signal is low or the VME may need to be restarted. Pull up a metrology signal window as shown above and confirm the signal is strong. It will look like a sine wave with an amplitude the same as the window height. If it is low, adjust it carefully with the MET2 gui in PICO 2. Get the sine wave to equal the window height. If it is ok and the problem persists, go to the lab, turn off the Burleigh amplifiers, turn off the VME, wait 15 seconds, turn it back on and wait for the red light to go off. Turn on the Burleigh amplifiers when the light has gone off. Try tracking the cart again.
   * After checking to make sure the carts track properly, turn the carts [OFF]   * After checking to make sure the carts track properly, turn the carts [OFF]
-\\  + 
-===3.8 Synchronizing the clocks=== +=== 3.8 Synchronizing the clocks ===
-\\ +
  
   * Synchronizing the clocks is very important for positional calculations of the telescopes and ople carts.   * Synchronizing the clocks is very important for positional calculations of the telescopes and ople carts.
   * All clocks are synchronized with the [SYNC CLOCKS] button on Cosmic Debris. Push the button, and after 17 seconds, a series of messages will display on CD to indicate that the various systems and servers are sync'ed. Check the OPLE server to confirm that the OPLE Tm clock is the same as CHARA time and that the error in the parentheses is (0) or (1). A reading of (0) and (-1) may cause problems. Use [SYNC CLOCKS] again to get the OPLE errors to (0) or (1). A reading of a different time with (!!) behind it means the clocks have not been synced.   * All clocks are synchronized with the [SYNC CLOCKS] button on Cosmic Debris. Push the button, and after 17 seconds, a series of messages will display on CD to indicate that the various systems and servers are sync'ed. Check the OPLE server to confirm that the OPLE Tm clock is the same as CHARA time and that the error in the parentheses is (0) or (1). A reading of (0) and (-1) may cause problems. Use [SYNC CLOCKS] again to get the OPLE errors to (0) or (1). A reading of a different time with (!!) behind it means the clocks have not been synced.
-\\  + 
-===3.9 The following windows should be opened on computer screen 3 (these are usually kept open all the time):=== +=== 3.9 The following windows should be opened on computer screen 3 (these are usually kept open all the time): ===
-\\ +
  
   * Telescope monitor   * Telescope monitor
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   * Metrology Laser and Metrology Monitor   * Metrology Laser and Metrology Monitor
   * Pico 2   * Pico 2
-\\   + 
-3.10 See the instruments page for information about starting different instruments at the beginning of the night:\\  +=== 3.10 See the instruments page for information about starting different instruments at the beginning of the night: === 
-[[chara:instruments|Instruments: CLASSIC, CLIMB, MIRC, PAVO, VEGA, FLUOR]]\\  + 
-\\  + \\ [[:chara:instruments|Instruments: CLASSIC, CLIMB, MIRC, PAVO, VEGA, FLUOR]] \\ 
-[[chara:operating_procedures|Back to Main Menu]]\\  + \\ 
-\\  +[[:chara:operating_procedures|Back to Main Menu]] \\ 
-\\  + \\ 
-**Chapter 4: **\\  + \\ 
-====Observing Conditions==== +**Chapter 4: ** 
-\\ \\  + 
-[[http://www.wrh.noaa.gov/lox/scripts/getprodplus.php?wfo=lox&prod=054ZFPLOX&pretty=yes|{{chara:files:Picture_4.png|Picture_4.png}}]]\\  +==== Observing Conditions ==== 
-\\  + 
-\\  + \\  \\ [[http://www.wrh.noaa.gov/lox/scripts/getprodplus.php?wfo=lox&prod=054ZFPLOX&pretty=yes|{{:chara:files:picture_4.png?nolink&|Picture_4.png}}]] 
-===4.1 Observing Conditions Intro=== + 
-\\  +=== 4.1 Observing Conditions Intro === 
-\\   + 
-In opening the CHARA Array, conditions should be, for the most part, ideal. If the weather is questionable, it is best if the sky is 60% to 70% clear and conditions stable before commencing. Delicate optics and electronics make up the majority of the Array and it’s better to err on the side of caution. In preparation for observing, the Mount Wilson weather server and web-based weather pages should be consulted. The telescopes can now be closed in about 10 minutes from the control room. With this in mind, don’t open up the telescopes to observe if conditions can change for the worse rapidly enough that you don’t get 10 minutes or more to close down safely. Weather stations now exist at each bunker and there is a control system software application to display the current conditions. Soon this application will also issue warnings. One can also use the white Radio Shack thermometer/hygrometer outside of the control room. With the Array becoming more fancily automated and weather monitoring technology becoming more robust (weather servers, satellite images, web cams, etc.), almost all weather monitoring can be done seemingly without ever leaving the cozy control room. Unfortunately this is not a good policy and nothing beats going outside for a gander and giving the sky a good old fashioned assessment. Obviously weather variations do exist from telescope to telescope, as much as 16% in RH at times. Most of the time this just means something is blowing through and opening is not a good idea. These circumstances need to be dealt with cautiously depending on the given weather conditions. Allowing extra time to close is advised in case of any problems. If any questions or doubts arise contact one of the CHARA staff.\\  + \\  \\ In opening the CHARA Array, conditions should be, for the most part, ideal. If the weather is questionable, it is best if the sky is 60% to 70% clear and conditions stable before commencing. Delicate optics and electronics make up the majority of the Array and it’s better to err on the side of caution. In preparation for observing, the Mount Wilson weather server and web-based weather pages should be consulted. The telescopes can now be closed in about 10 minutes from the control room. With this in mind, don’t open up the telescopes to observe if conditions can change for the worse rapidly enough that you don’t get 10 minutes or more to close down safely. Weather stations now exist at each bunker and there is a control system software application to display the current conditions. Soon this application will also issue warnings. One can also use the white Radio Shack thermometer/hygrometer outside of the control room. With the Array becoming more fancily automated and weather monitoring technology becoming more robust (weather servers, satellite images, web cams, etc.), almost all weather monitoring can be done seemingly without ever leaving the cozy control room. Unfortunately this is not a good policy and nothing beats going outside for a gander and giving the sky a good old fashioned assessment. Obviously weather variations do exist from telescope to telescope, as much as 16% in RH at times. Most of the time this just means something is blowing through and opening is not a good idea. These circumstances need to be dealt with cautiously depending on the given weather conditions. Allowing extra time to close is advised in case of any problems. If any questions or doubts arise contact one of the CHARA staff. 
-\\  + 
-===4.2 Humidity=== +=== 4.2 Humidity === 
-\\  + 
-\\  + \\  \\ Only open the telescopes if the humidity is steady or dropping, at 75% or below. If the roofs outside the control room are ever dripping, then the telescopes should not be opened or should be closed immediately. If when starting out, the RH is above 80%, do not open unless it drops to below 75% and stays there for at least 30 minutes. If you do open after that, be wary and watch the RH, and if it starts rising, be prepared to close. Closing up takes about 10 minutes, so be ready for that. The array operator is in charge of protecting the telescopes and makes the final decision on whether the conditions are safe to open. If the RH is low at the beginning of the night, and rises after you are already open, the array operator should inform the PI around 70-75%, and start closing between 80-85%. Other humidity warning signs are: 1) water dripping off the OPLE building (or wet spots on the asphalt straight down from the eaves); 2) cold, clammy feel to metal objects such as railings; and 3) dew forming on the parked cars. It is important to note that the humidity can rise from 50% to 80% in as little as 10 minutes, so please keep a close eye on the rate of change of the humidity plots. It can also rain from passing clouds when the humidity is quite low, even 50% RH or lower. If in doubt, stay closed. 
-Only open the telescopes if the humidity is steady or dropping, at 75% or below. If the roofs outside the control room are ever dripping, then the telescopes should not be opened or should be closed immediately. If when starting out, the RH is above 80%, do not open unless it drops to below 75% and stays there for at least 30 minutes. If you do open after that, be wary and watch the RH, and if it starts rising, be prepared to close. Closing up takes about 10 minutes, so be ready for that. The array operator is in charge of protecting the telescopes and makes the final decision on whether the conditions are safe to open. If the RH is low at the beginning of the night, and rises after you are already open, the array operator should inform the PI around 70-75%, and start closing between 80-85%. Other humidity warning signs are: 1) water dripping off the OPLE building (or wet spots on the asphalt straight down from the eaves); 2) cold, clammy feel to metal objects such as railings; and 3) dew forming on the parked cars. It is important to note that the humidity can rise from 50% to 80% in as little as 10 minutes, so please keep a close eye on the rate of change of the humidity plots. It can also rain from passing clouds when the humidity is quite low, even 50% RH or lower. If in doubt, stay closed.\\  + 
-\\  +=== 4.3 Dust === 
-===4.3 Dust=== + 
-\\  + \\  \\ Gauging the airborne dust is problematic because you need a bright light and a relatively dark night. In general, you want to look in the bottom 0.5 meter of the light column. There will be a diffuse column lit up by the beam – don’t worry about it, just follow the dust glints. If you can count the dust glints, the conditions are safe to observe. If it looks like a blizzard, close up. If any of the dust glints shine with an orange or a peach hue, or the dust glints look abnormally large, the dust is probably ash – close up immediately. Ash seriously degrades bare aluminum coatings. Dust and wind go together. But, just because it is calm, the dust conditions might still be bad. If it was windy a few days earlier, it could have kicked up a lot of dust, which can take several days to settle. Finally, during late spring to early summer, conifer tree pollen can be problematic. If particulates are borderline please email the CHARA day staff so they can clean the optics as soon as possible. 
-\\   + 
-Gauging the airborne dust is problematic because you need a bright light and a relatively dark night. In general, you want to look in the bottom 0.5 meter of the light column. There will be a diffuse column lit up by the beam – don’t worry about it, just follow the dust glints. If you can count the dust glints, the conditions are safe to observe. If it looks like a blizzard, close up. If any of the dust glints shine with an orange or a peach hue, or the dust glints look abnormally large, the dust is probably ash – close up immediately. Ash seriously degrades bare aluminum coatings. Dust and wind go together. But, just because it is calm, the dust conditions might still be bad. If it was windy a few days earlier, it could have kicked up a lot of dust, which can take several days to settle. Finally, during late spring to early summer, conifer tree pollen can be problematic. If particulates are borderline please email the CHARA day staff so they can clean the optics as soon as possible.\\  +=== 4.4 Wind === 
-\\  + 
-===4.4 Wind=== + \\  \\ Wind has the effect of degrading the seeing as well as kicking up dust. The wind effects are amplified in the tunnel between the OPLE building and the office building, so look for other places to gauge the wind conditions. The intersection of the road and the trail to the eastern telescopes is a good place to gauge conditions. To be on the safe side, we only observe under calm to light breeze conditions (gusts less than about 10 knots, or 15 kph). Windy conditions we try to avoid. If you can hear the gusts from your desk, it is too windy to observe. If you hear whistling from the light pipe supports, it is too windy to observe. If you hear the signs on the chain banging, it is too windy to observe. Occasionally you will hear the wind rustling the tops of the tall trees, but it is calm at ground level. This is a symptom of chaotic wind conditions, and almost always happens during windy episodes (Santa Anas, onshore flows, etc.), during which you shouldn’t observe – the seeing will be bad anyway. Be cautious about opening if wind gusts are above 15-20 kph; winds this high are usually correlated with bad seeing and poor data quality. Telescopes and domes should be closed if the wind gusts get up to 30 kph. This will protect the optics from branches and debris that can be blown in from the surrounding trees. 
-\\  + 
-\\   +=== 4.5 Snow === 
-Wind has the effect of degrading the seeing as well as kicking up dust. The wind effects are amplified in the tunnel between the OPLE building and the office building, so look for other places to gauge the wind conditions. The intersection of the road and the trail to the eastern telescopes is a good place to gauge conditions. To be on the safe side, we only observe under calm to light breeze conditions (gusts less than about 10 knots, or 15 kph). Windy conditions we try to avoid. If you can hear the gusts from your desk, it is too windy to observe. If you hear whistling from the light pipe supports, it is too windy to observe. If you hear the signs on the chain banging, it is too windy to observe. Occasionally you will hear the wind rustling the tops of the tall trees, but it is calm at ground level. This is a symptom of chaotic wind conditions, and almost always happens during windy episodes (Santa Anas, onshore flows, etc.), during which you shouldn’t observe – the seeing will be bad anyway. Be cautious about opening if wind gusts are above 15-20 kph; winds this high are usually correlated with bad seeing and poor data quality. Telescopes and domes should be closed if the wind gusts get up to 30 kph. This will protect the optics from branches and debris that can be blown in from the surrounding trees.\\  + 
-\\  + \\ Because of the nature of the snow that falls on Mount Wilson, it is usually not a problem. If snow/wind conditions are such that drifting occurs, don’t open up. If there is still any snow stuck to the telescope dome itself, don’t open up. If there is snow still on the trees and branches procede with caution and make a visual assessment. Otherwise, you are free to observe (assuming the humidity, dust, and wind conditions allow it). 
-===4.5 Snow=== + 
-\\   +=== 4.6 Essential Observing Links === 
-Because of the nature of the snow that falls on Mount Wilson, it is usually not a problem. If snow/wind conditions are such that drifting occurs, don’t open up. If there is still any snow stuck to the telescope dome itself, don’t open up. If there is snow still on the trees and branches procede with caution and make a visual assessment. Otherwise, you are free to observe (assuming the humidity, dust, and wind conditions allow it).\\  + 
-\\  +  * 150-Foot Solar Tower Current TowerCam Image ([[http://www.astro.ucla.edu/%7Eobs/towercam.htm|http://www.astro.ucla.edu/~obs/towercam.htm]]) a live view of the mountain. Check the clock when viewing the page as it can sometimes fail to refresh. 
-===4.6 Essential Observing Links=== +  * Caltech Millikan Library Camera ([[http://library.caltech.edu/milcam/|http://library.caltech.edu/milcam/]]) A view of Mt. Wilson from the south, good for watching low clouds and fog that cling to the mountain. 
-\\  +  * National Weather Service ([[http://forecast.weather.gov/MapClick.php?site=lox&textField1=34.2231&textField2=-118.0587&smap=1#.VKsuq2TF8rO|http://forecast.weather.gov]]) Mount Wilson weather and 5 day forecast 
-\\   +  * CHARA telescopes spy cams and weather graph ([[http://astro.gsu.edu/~weather/chara_scopes.html|http://www.astro.gsu.edu]]) Status of each CHARA telescope 
-  * 150-Foot Solar Tower Current TowerCam Image ([[http://www.astro.ucla.edu/%7Eobs/towercam.htm|http://www.astro.ucla.edu/~obs/towercam.htm]]) a live view of the mountain. Check the clock when viewing the page as it can sometimes fail to refresh.\\   +  * Mount Wilson HP Wren Cameras ([[http://hpwren.ucsd.edu/cameras/wilson.html|http://hpwren.ucsd.edu/cameras/wilson.html]]) 
-  * Caltech Millikan Library Camera (http://library.caltech.edu/milcam/) A view of Mt. Wilson from the south, good for watching low clouds and fog that cling to the mountain.\\  +  * Aerospace Corporation weather station ([[http://www.weatherlink.com/user/mocam/index.php?view=summary&headers=1|http://www.weatherlink.com/user/mocam]]) Another local station, always current. 
-  * National Weather Service ([[http://forecast.weather.gov/MapClick.php?site=lox&textField1=34.2231&textField2=-118.0587&smap=1#.VKsuq2TF8rO|http://forecast.weather.gov]]) Mount Wilson weather and 5 day forecast\\   +  * Jet stream forecast ([[http://squall.sfsu.edu/scripts/jetstream_modelsml_fcst.html|http://squall.sfsu.edu/scripts/jetstream_modelsml_fcst.html]]) Monitors high level winds which degrade seeing 
-  * CHARA Array weather ([[http://www.astro.gsu.edu/~theo/Dropbox/Weather%20Site/wxlocal.html|http://www.astro.gsu.edu/]]) Centralized weather station for CHARA\\   +  * IR satellite loop ([[http://www.wrh.noaa.gov/lox/scripts/animate.php?root=sat_4km&list=IR4.GIF.3.jpg,IR4.GIF.4.jpg,IR4.GIF.5.jpg,IR4.GIF.6.jpg,IR4.GIF.7.jpg,IR4.GIF.8.jpg|http://www.wrh.noaa.gov]]) Keeps an eye on storms and clouds coming in 
-  * CHARA telescopes spy cams and weather graph ([[http://www.astro.gsu.edu/~theo/Dropbox/Scopes/chara_scopes.html|http://www.astro.gsu.edu]]) Status of each CHARA telescope\\   +  * California Regional Weather Server ([[http://squall.sfsu.edu/|http://squall.sfsu.edu/]]) A variety of weather links 
-  * Aerospace Corporation weather station ([[http://www.weatherlink.com/user/mocam/index.php?view=summary&headers=1|http://www.weatherlink.com/user/mocam]]) Another local station, always current.\\   +  * Clear Sky Clock ([[http://cleardarksky.com/c/MtWilsonOBCAkey.html|http://cleardarksky.com/c/MtWilsonOBCAkey.html]]) a forecasting tool, but be aware that the humidity forecast is often incorrect on this site as it incorporates the marine layer forecast for the valley below, which does not affect us 80-90% of the time 
-  * Jet stream forecast (http://squall.sfsu.edu/scripts/jetstream_modelsml_fcst.html) Monitors high level winds which degrade seeing\\   + 
-  * IR satellite loop ([[http://www.wrh.noaa.gov/lox/scripts/animate.php?root=sat_4km&list=IR4.GIF.3.jpg,IR4.GIF.4.jpg,IR4.GIF.5.jpg,IR4.GIF.6.jpg,IR4.GIF.7.jpg,IR4.GIF.8.jpg|http://www.wrh.noaa.gov]]) Keeps an eye on storms and clouds coming in\\   + \\ [[:chara:operating_procedures|Back to Main Menu]] \\ 
-  * California Regional Weather Server (http://squall.sfsu.edu/) A variety of weather links\\   + \\ 
-  * Clear Sky Clock (http://cleardarksky.com/c/MtWilsonOBCAkey.html) a forecasting tool, but be aware that the humidity forecast is often incorrect on this site as it incorporates the marine layer forecast for the valley below, which does not affect us 80-90% of the time\\  +{{:chara:files:picture_6.png|Picture_6.png}} \\ 
-\\  + \\ 
-[[chara:operating_procedures|Back to Main Menu]]\\  + \\ 
-\\  +**Chapter 5:** 
-{{chara:files:Picture_6.png|Picture_6.png}}\\  + 
-\\  +==== Going on Sky ==== 
-\\  + 
-**Chapter 5:**\\  +=== 5.1 Opening the Telescope Domes and enclosures === 
-====Going on Sky==== + 
-\\  + \\  \\ You can begin opening the telescope domes and enclosures about an hour or two before sunset. This will help air out the domes and improve seeing at the start of the night. Hot days benefit from an earlier opening to allow the scopes to cool. Before opening the domes make sure to check the current weather conditions and the forecast to make sure conditions are safe to open and are likely to be stable as you wait for it to get dark. Also confirm that Judit has finished the alignments in the lab as opening the domes will not allow the completion of the M10 alignments. If you do not see her, call the computer room phone number listed on the clipboard on the wall.
-\\  +
-===5.1 Opening the Telescope Domes and enclosures=== +
-\\  +
-\\   +
-You can begin opening the telescope domes and enclosures about an hour or two before sunset. This will help air out the domes and improve seeing at the start of the night. Hot days benefit from an earlier opening to allow the scopes to cool. Before opening the domes make sure to check the current weather conditions and the forecast to make sure conditions are safe to open and are likely to be stable as you wait for it to get dark. Also confirm that Judit has finished the alignments in the lab as opening the domes will not allow the completion of the M10 alignments. If you do not see her, call the computer room phone number listed on the clipboard on the wall.\\ +
  
   * Monitor the progress of opening the domes by turning the televisions [ON] using the telescope GUIs. Click [SPY1] to view the dome slit.   * Monitor the progress of opening the domes by turning the televisions [ON] using the telescope GUIs. Click [SPY1] to view the dome slit.
   * Use the Dome GUI for each telescope to rotate the domes to the east. This will position the dome slit away from the sun so that you can open the slit before sunset.   * Use the Dome GUI for each telescope to rotate the domes to the east. This will position the dome slit away from the sun so that you can open the slit before sunset.
-    * Go to the Dome Tab on the Dome GUI. In the text box on the right, enter 90 and press [GOTO]. This will move the dome slit to the east.+      * Go to the Dome Tab on the Dome GUI. In the text box on the right, enter 90 and press [GOTO]. This will move the dome slit to the east.
   * When the domes are facing east (and all lab alignments are finished), click [SLIT OPEN] on the Control Tab of the telescope GUI to open the dome slit.   * When the domes are facing east (and all lab alignments are finished), click [SLIT OPEN] on the Control Tab of the telescope GUI to open the dome slit.
   * On the enclosure GUI, click the [OBSERVE] button to open the lower cylinders to the observe position.   * On the enclosure GUI, click the [OBSERVE] button to open the lower cylinders to the observe position.
   * Wait for the slit and enclosures to open and then wait for the sun to go down.   * Wait for the slit and enclosures to open and then wait for the sun to go down.
-\\  + 
-===5.2 Opening telescope optics=== +=== 5.2 Opening telescope optics === 
-\\  + 
-\\   + \\  \\ When the sun has set and before it is dark enough to slew to your first target, you can begin opening the telescope optics. Open the telescope optics one by one using the Control Tab on the Telescope GUIs:
-When the sun has set and before it is dark enough to slew to your first target, you can begin opening the telescope optics. Open the telescope optics one by one using the Control Tab on the Telescope GUIs:\\ +
  
   * [M1 OPEN] - opens the primary mirror cover (takes ~ 3 minutes to open)   * [M1 OPEN] - opens the primary mirror cover (takes ~ 3 minutes to open)
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   * Monitor progress by using [SPY2] camera on the telescope TV screens.   * Monitor progress by using [SPY2] camera on the telescope TV screens.
   * Wait for all covers to open. The Telescope Monitor reports the status of all mirror covers. Close and reopen the Telescope Monitor if it reads UNKNOWN for a telescope, even after hitting REOPEN.   * Wait for all covers to open. The Telescope Monitor reports the status of all mirror covers. Close and reopen the Telescope Monitor if it reads UNKNOWN for a telescope, even after hitting REOPEN.
-\\  + 
-===5.3 Check the OPLE carts=== +=== 5.3 Check the OPLE carts === 
-\\  + 
-\\   + \\  \\ The OPLE carts were homed in the setup procedure. However, it is always a good idea to check to make sure the carts are tracking correctly before slewing to the first target.
-The OPLE carts were homed in the setup procedure. However, it is always a good idea to check to make sure the carts are tracking correctly before slewing to the first target.\\ +
  
   * With all [MAN] and [OL] buttons green on the OPLE Control Tab, click [TRACK] to send the carts tracking to 0.0 (home).   * With all [MAN] and [OL] buttons green on the OPLE Control Tab, click [TRACK] to send the carts tracking to 0.0 (home).
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   * After the carts successfully track on the home switch, turn the carts [OFF].   * After the carts successfully track on the home switch, turn the carts [OFF].
   * Click the open loop [OL] button on all active carts. Click the [MAN] button on the moving carts (the MAN button for the reference cart will remain green). This will allow the beam combiners to send manual offsets to the moving carts.   * Click the open loop [OL] button on all active carts. Click the [MAN] button on the moving carts (the MAN button for the reference cart will remain green). This will allow the beam combiners to send manual offsets to the moving carts.
-\\  + 
-===5.4 Turn on the telescope power=== +=== 5.4 Turn on the telescope power === 
-\\  + 
-\\   + \\  \\ Make sure the telescopes being used are in their stow positions. For each telescope, the elevation should be at or near 90 degrees and [SPY1] should show the end ring of the telescope framing the top of the open dome. The azimuth positions for each telescope should be:
-Make sure the telescopes being used are in their stow positions. For each telescope, the elevation should be at or near 90 degrees and [SPY1] should show the end ring of the telescope framing the top of the open dome. The azimuth positions for each telescope should be:\\ +
  
   * S1 82.0   * S1 82.0
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   * W1 99.3   * W1 99.3
   * W2 99.3   * W2 99.3
-\\   + 
-On the Power GUI, turn on the [Tel AZ] and [Tel EL] power for each of the active scopes (green means ON).\\   + \\ On the Power GUI, turn on the [Tel AZ] and [Tel EL] power for each of the active scopes (green means ON). \\ The new for 2016 stall detection function usually has each scope disabled each evening. They will need to be enabled before checking the dome servers or slewing. Make sure that the telescopes do not move away from their stow positions when enabling the scopes. If they begin moving, then click [STOW] on the Telescope Control Tab or dome gui and make sure that they arrive at the correct stow position. Check for problems with the dome servers by watching each telescope move to the precise stow position, ie. 89.990º and moving to 90.000º. If it stays off the precise stow position, the dome sever may need restarting. Click [REOPEN] on the dome gui if the clock is not the same as the CHARA time. 
-The new for 2016 stall detection function usually has each scope disabled each evening. They will need to be enabled before checking the dome servers or slewing. Make sure that the telescopes do not move away from their stow positions when enabling the scopes. If they begin moving, then click [STOW] on the Telescope Control Tab or dome gui and make sure that they arrive at the correct stow position. Check for problems with the dome servers by watching each telescope move to the precise stow position, ie. 89.990º and moving to 90.000º. If it stays off the precise stow position, the dome sever may need restarting. Click [REOPEN] on the dome gui if the clock is not the same as the CHARA time.\\  + 
-\\  +=== 5.5 Slewing to a Target Using Cosmic Debris === 
-===5.5 Slewing to a Target Using Cosmic Debris=== + 
-\\  + \\  \\ It is typically dark enough to lock on your first star if TT reports ~ 1000 counts while not point at anything (sky counts) with the SpyCams turned off. This is roughly around 20 minutes after sunset or the time of twilight reported by Cosmic Debris. Here are instructions for slewing to a target and initializing the telescopes on a bright star at the start of the night:
-\\   +
-It is typically dark enough to lock on your first star if TT reports ~ 1000 counts while not point at anything (sky counts) with the SpyCams turned off. This is roughly around 20 minutes after sunset or the time of twilight reported by Cosmic Debris. Here are instructions for slewing to a target and initializing the telescopes on a bright star at the start of the night:\\  +
-\\ +
  
   * You may want to find a bright star near your first target to check the pointing of the telescopes. The [FIND STAR] button on the Telescope Control Tab can be useful in finding a suitable, bright star. There is also a printed list of bright stars in order of RA in the binder on the left side of the control room desk. If your first target is bright, then you may slew to it first.   * You may want to find a bright star near your first target to check the pointing of the telescopes. The [FIND STAR] button on the Telescope Control Tab can be useful in finding a suitable, bright star. There is also a printed list of bright stars in order of RA in the binder on the left side of the control room desk. If your first target is bright, then you may slew to it first.
-  * Enter the HD number of the star into Cosmic Debris using the Object or Calibrator Tabs. Click the [HD] button to register the entry. (Alternatively, you could enter a CHARA NUM, IRC, HR, HD, or SAO number and click the corresponding button.) If a star or new target is not recognized by Cosmic Debris, [[/Trouble%20Shooting#chapter.dbadd|follow the procedure below for DBADD]].+  * Enter the HD number of the star into Cosmic Debris using the Object or Calibrator Tabs. Click the [HD] button to register the entry. (Alternatively, you could enter a CHARA NUM, IRC, HR, HD, or SAO number and click the corresponding button.) If a star or new target is not recognized by Cosmic Debris, [[:chara:trouble_shooting#adding_or_finding_a_star_in_the_chara_database|follow the procedure below for DBADD]].
   * Check to make sure that EL/AZ reported by Cosmic Debris are correct and safe for pointing (never point below 15-20 degrees elevation). It is recommended to initialize the telescopes on a target between 40-70 degrees elevation.   * Check to make sure that EL/AZ reported by Cosmic Debris are correct and safe for pointing (never point below 15-20 degrees elevation). It is recommended to initialize the telescopes on a target between 40-70 degrees elevation.
   * Hit the WHEN button for your first star to see a plot of cart positions and when it is in delay. Enter the ideal reference cart position into the REF text window on the Cosmic Debris Control Tab. Click the [REF] button to send the reference cart position to OPLE.   * Hit the WHEN button for your first star to see a plot of cart positions and when it is in delay. Enter the ideal reference cart position into the REF text window on the Cosmic Debris Control Tab. Click the [REF] button to send the reference cart position to OPLE.
Line 490: Line 452:
   * When the telescope slew finishes, check the SPY 1 to make sure that the domes are aligned with the telescope.   * When the telescope slew finishes, check the SPY 1 to make sure that the domes are aligned with the telescope.
   * In the ACQ window, hit [MOVE] under the TV tracking menu on the Main Tab of the Telescope GUI and then click the left star to bring the star to the cross-hairs. If the star is not in the ACQ window, go to the FIND window and do the same, then return to the ACQ window and repeat.   * In the ACQ window, hit [MOVE] under the TV tracking menu on the Main Tab of the Telescope GUI and then click the left star to bring the star to the cross-hairs. If the star is not in the ACQ window, go to the FIND window and do the same, then return to the ACQ window and repeat.
-\\   + 
-Locking Tiptilt\\ + \\ Locking Tiptilt
  
   * With the star aligned with the acquisition ticks, check to make sure there are counts on the TipTilt server or the white plots in the TT windows have condensed.   * With the star aligned with the acquisition ticks, check to make sure there are counts on the TipTilt server or the white plots in the TT windows have condensed.
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   * On the Tiptilt Servo Control GUI, turn tiptilt [ON] for that telescope. The [TT ON] button on Cosmic Debris also performs this function for all active scopes.   * On the Tiptilt Servo Control GUI, turn tiptilt [ON] for that telescope. The [TT ON] button on Cosmic Debris also performs this function for all active scopes.
   * Put the TV screens back to [FIND] if you like or leave them in ACQ   * Put the TV screens back to [FIND] if you like or leave them in ACQ
-\\   + 
-Acquisition Laser Alignment if the star does not lock in Tiptilt on the ACQ window cross hairs\\ + \\ Acquisition Laser Alignment if the star does not lock in Tiptilt on the ACQ window cross hairs
  
   * Set VISBEAMS to correct beams.   * Set VISBEAMS to correct beams.
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   * Lock Tiptilt as shown above.   * Lock Tiptilt as shown above.
   * Maintain the ACQ laser alignment during the night by adjusting the crosshairs to the star after locking Tiptilt.   * Maintain the ACQ laser alignment during the night by adjusting the crosshairs to the star after locking Tiptilt.
-\\  + 
-\\   + \\  \\ Finishing the slew sequence
-Finishing the slew sequence\\ +
  
   * The Job Queue ends with slewing to the star. The star is acquired manually.   * The Job Queue ends with slewing to the star. The star is acquired manually.
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   * Initialize the pointing of the telescopes on your first target by going to the Control Tab of the Telescope GUI and clicking [INIT]. Make sure you are on the correct star before initing the scopes or you will have problems. This may have to be repeated if the pointing drifts during the night. This will allow more consistent and accurate pointing for this part of the sky.   * Initialize the pointing of the telescopes on your first target by going to the Control Tab of the Telescope GUI and clicking [INIT]. Make sure you are on the correct star before initing the scopes or you will have problems. This may have to be repeated if the pointing drifts during the night. This will allow more consistent and accurate pointing for this part of the sky.
   * You can now point to your first science target, calibrator, alignment star or fringe finder and begin the alignment sequence for the beam combiner and then start searching for fringes.   * You can now point to your first science target, calibrator, alignment star or fringe finder and begin the alignment sequence for the beam combiner and then start searching for fringes.
-\\  + 
-===5.6 Automatic Acquisition Sequence, removed 9-'17=== +=== 5.6 Automatic Acquisition Sequence, removed 9-'17 ===
-\\ +
  
   * The slew sequence will slew the telescopes, start ATROLIB, and send the moving carts to the proper positions. The star acquisition sequence has been removed.   * The slew sequence will slew the telescopes, start ATROLIB, and send the moving carts to the proper positions. The star acquisition sequence has been removed.
-\\  + 
-\\  + \\  \\ [[:chara:operating_procedures|Back to Main Menu]] \\ 
-[[chara:operating_procedures|Back to Main Menu]]\\  + \\ 
-\\  +**Chapter 6:** 
-** Chapter 6:**\\  + 
-====Procedure for Shutting Down at the End of the Night==== +==== Procedure for Shutting Down at the End of the Night ==== 
-\\  + 
-\\  +=== 6.1 End Night Sequence Introduction === 
-===6.1 End Night Sequence Introduction=== + 
-\\  + \\  \\ The End Night sequence on Cosmic Debris can be used to end observing and stow the telescopes, carts, and domes. It will only stow the active scopes, carts, and domes, so if there are other scopes open, make them active in the Configure tab of CD or stow them manually with the procedure below, [[:chara:operating_procedures#manually_stowing_the_telescopes|6.4 Manually Stowing the Telescopes]] 
-\\   + 
-The End Night sequence on Cosmic Debris can be used to end observing and stow the telescopes, carts, and domes. It will only stow the active scopes, carts, and domes, so if there are other scopes open, make them active in the Configure tab of CD or stow them manually with the procedure below, [[chara:operating_procedures#6.4_manually_stowing_the_telescopes|6.4 Manually Stowing the Telescopes]]\\  +=== 6.2 Start the end night sequence on Cosmic Debris ===
-\\  +
-===6.2 Start the end night sequence on Cosmic Debris=== +
-\\ +
  
   * Clear the job queue on Cosmic Debris.   * Clear the job queue on Cosmic Debris.
   * Press the [END NIGHT] button on Cosmic Debris. This will close all the shutters, stow the active telescopes, close the telescope mirror covers, send the OPLE carts to the back switch, close the OPLE socket, and archive the accumulated data for the night.   * Press the [END NIGHT] button on Cosmic Debris. This will close all the shutters, stow the active telescopes, close the telescope mirror covers, send the OPLE carts to the back switch, close the OPLE socket, and archive the accumulated data for the night.
-    * NOTE: The End Night Sequence will NOT close the dome slits so these will have to be closed manually after all of the telescope mirror covers are closed. It will also not send inactive carts back. Update the configuration with any inactive scopes to make sure those carts can be sent back manually as well. +      * NOTE: The End Night Sequence will NOT close the dome slits so these will have to be closed manually after all of the telescope mirror covers are closed. It will also not send inactive carts back. Update the configuration with any inactive scopes to make sure those carts can be sent back manually as well.
-\\ +
  
   * The Cosmic Debris status window will indicate when the end night sequence is complete. You can close Cosmic Debris after you have sent out the Observing Report.   * The Cosmic Debris status window will indicate when the end night sequence is complete. You can close Cosmic Debris after you have sent out the Observing Report.
   * If you use the End Night sequence to stow the telescopes and close mirror covers, remember to do a visual check of all telescopes using the check list in step 6.4 below before turning off the power for the telescopes and closing the telescope GUIs.   * If you use the End Night sequence to stow the telescopes and close mirror covers, remember to do a visual check of all telescopes using the check list in step 6.4 below before turning off the power for the telescopes and closing the telescope GUIs.
-\\   + 
-A list of observed targets and an Observing Report is now automatically generated as part of the End Night Sequence. Click [END NIGHT], then [REPORT] on Cosmic Debris to generate this automatic report email. The report will include the headings: PI name, Program, Observers, Baselines, Weather and Seeing data, and targets on which data was collected. Complete the Observers and Baselines entries, add comments to the bottom of the report and put your name at the end. Check with the observer for completeness of the target list. Some observers will send you comments of their own. Add those to the report. Cut and paste this into an email to CHARA Obs and send it. When the function works, you can also hit the SEND button at the bottom of the report to email this report to the CHARA OBS list.\\   + \\ A list of observed targets and an Observing Report is now automatically generated as part of the End Night Sequence. Click [END NIGHT], then [REPORT] on Cosmic Debris to generate this automatic report email. The report will include the headings: PI name, Program, Observers, Baselines, Weather and Seeing data, and targets on which data was collected. Complete the Observers and Baselines entries, add comments to the bottom of the report and put your name at the end. Check with the observer for completeness of the target list. Some observers will send you comments of their own. Add those to the report. Cut and paste this into an email to CHARA Obs and send it. When the function works, you can also hit the SEND button at the bottom of the report to email this report to the CHARA OBS list. \\ Note: Classic, CLIMB, FLUOR and PAVO will automatically send the target information to Cosmic Debris after data is acquired. For MIRCx, the [DATA ACQUIRED] button can be clicked on Cosmic Debris after each data sequence is finished or it can be done by the MIRCx operator from his or her station. \\  \\ If you have other technical information to send out that is not related to the nightly observing runs, use our other lists that pertain to the subject at hand. \\  \\ In addition to paper observing logs, CHARA offers the option of using electronic logs. At minimum, we request that you fill out the date, UT time, target name, and any comments that would be relevant for subsequent reduction. This information will be useful for building and maintaining the CHARA archive: \\ [[https://sites.google.com/a/chara-array.org/chara-observing/|CHARA Electronic Logs]] 
-Note: Classic, CLIMB, FLUOR and PAVO will automatically send the target information to Cosmic Debris after data is acquired. For MIRCx, the [DATA ACQUIRED] button can be clicked on Cosmic Debris after each data sequence is finished or it can be done by the MIRCx operator from his or her station.\\  + 
-\\   +=== 6.3 Shutdown Checklist Introduction === 
-If you have other technical information to send out that is not related to the nightly observing runs, use our other lists that pertain to the subject at hand.\\  + 
-\\   + \\  \\ It is important to make sure the array gets shutdown properly at the end of the night. This includes stowing the telescopes, closing the mirror covers and domes, powering down equipment, and covering the cameras. Each day many employees are working on various systems from any number of different locations around the Array. Any CHARA equipment left on or exposed, can cause damage to other systems or be damaged itself. It is critical that the array is shut down consistently from night to night. Listed below are the procedures for shutting down the array. Please make sure that the Array is secure at the end of the night. 
-In addition to paper observing logs, CHARA offers the option of using electronic logs. At minimum, we request that you fill out the date, UT time, target name, and any comments that would be relevant for subsequent reduction. This information will be useful for building and maintaining the CHARA archive:\\ [[https://sites.google.com/a/chara-array.org/chara-observing/|CHARA Electronic Logs]]\\  + 
-\\  +=== 6.4 Manually stowing the telescopes ===
-===6.3 Shutdown Checklist Introduction=== +
-\\  +
-\\   +
-It is important to make sure the array gets shutdown properly at the end of the night. This includes stowing the telescopes, closing the mirror covers and domes, powering down equipment, and covering the cameras. Each day many employees are working on various systems from any number of different locations around the Array. Any CHARA equipment left on or exposed, can cause damage to other systems or be damaged itself. It is critical that the array is shut down consistently from night to night. Listed below are the procedures for shutting down the array. Please make sure that the Array is secure at the end of the night. \\  +
-\\  +
-===6.4 Manually stowing the telescopes=== +
-\\ +
  
   * Unlock the tiptilt beams using the Tiptilt servo control GUI.   * Unlock the tiptilt beams using the Tiptilt servo control GUI.
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   * On the Control Tab of the telescope GUI, click [STOW]. This will send the telescope and dome to the stow position.   * On the Control Tab of the telescope GUI, click [STOW]. This will send the telescope and dome to the stow position.
   * When the telescopes reach an elevation above 70 degrees, you can begin closing the mirror covers.   * When the telescopes reach an elevation above 70 degrees, you can begin closing the mirror covers.
-    * M1 CLOSE +      * M1 CLOSE 
-    * M3 CLOSE +      * M3 CLOSE 
-    * M5 CLOSE +      * M5 CLOSE 
-    * M7 CLOSE +      * M7 CLOSE 
-    * Finder CLOSE Note that W2 and E1? covers need a second click to close.+      * Finder CLOSE Note that W2 and E1? covers need a second click to close.
   * Visually inspect the telescopes using SPY2 to make sure that the mirror covers close properly. Check the Telescope Monitor for mirror cover status.   * Visually inspect the telescopes using SPY2 to make sure that the mirror covers close properly. Check the Telescope Monitor for mirror cover status.
   * After all of the mirror covers finish closing, close the dome slits by clicking [SLIT CLOSE] on the telescope control tab for each telescope dome that is open.   * After all of the mirror covers finish closing, close the dome slits by clicking [SLIT CLOSE] on the telescope control tab for each telescope dome that is open.
   * Close the dome enclosures by clicking [CLOSE] on the cylinder GUI. Watch that each reads .000 or .001 when closed.   * Close the dome enclosures by clicking [CLOSE] on the cylinder GUI. Watch that each reads .000 or .001 when closed.
   * Check that the telescopes moved to their stow positions in EL and AZ:   * Check that the telescopes moved to their stow positions in EL and AZ:
-    * EL 90.0 deg, AZ 55.9 deg for E1 and E2 +      * EL 90.0 deg, AZ 55.9 deg for E1 and E2 
-    * EL 90.0 deg, AZ 99.3 deg for W1 and W2 +      * EL 90.0 deg, AZ 99.3 deg for W1 and W2 
-    * EL 90.0 deg, AZ 82.0 deg for S1 and S2+      * EL 90.0 deg, AZ 82.0 deg for S1 and S2
   * Turn off the power for [TEL AZ], [TEL EL] and [TIP/TILT] for the active scopes using the Power GUI.   * Turn off the power for [TEL AZ], [TEL EL] and [TIP/TILT] for the active scopes using the Power GUI.
   * Visually check all telescopes in the spycams to make sure all covers and slits are closed.   * Visually check all telescopes in the spycams to make sure all covers and slits are closed.
   * Leave the telescope GUIs open until the End Night Sequence is finished. (Cosmic Debris will turn on the TVs and the SpyCams during the End Night Sequence.)   * Leave the telescope GUIs open until the End Night Sequence is finished. (Cosmic Debris will turn on the TVs and the SpyCams during the End Night Sequence.)
   * If the humidity is high, make sure that the heaters are turned on.   * If the humidity is high, make sure that the heaters are turned on.
-\\  + 
-===6.5 Send the OPLE carts to the back of the rails=== +=== 6.5 Send the OPLE carts to the back of the rails ===
-\\ +
  
   * Click the OL and MAN buttons for the active carts on the OPLE GUI Control Tab so that the buttons turn green.   * Click the OL and MAN buttons for the active carts on the OPLE GUI Control Tab so that the buttons turn green.
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   * Watch OPLE Server for Back Switch indicator to light up with an "X".   * Watch OPLE Server for Back Switch indicator to light up with an "X".
   * When all carts are on the Back Switch, close the OPLE gui and server and turn off the metrology laser using the METLAS GUI. The [LASER POWER] button will turn from green to red. If a cart does not reach the back switch, it may have caught the ribbon or cable on the track supports. You will need to go to the rails and see why it stopped. Slack in the cable can be taken up by turning the take up spool by hand. W1 cart is the usual one that hangs up.   * When all carts are on the Back Switch, close the OPLE gui and server and turn off the metrology laser using the METLAS GUI. The [LASER POWER] button will turn from green to red. If a cart does not reach the back switch, it may have caught the ribbon or cable on the track supports. You will need to go to the rails and see why it stopped. Slack in the cable can be taken up by turning the take up spool by hand. W1 cart is the usual one that hangs up.
-\\  + 
-===6.6 Finish shutting down in the control room=== +=== 6.6 Finish shutting down in the control room ===
-\\ +
  
   * If using Classic or CLIMB, check to make sure the dither is off by looking at the dither status in the CLASSIC/CLIMB server. If necessary, this can be turned off from the dither tab on the Classic/CLIMB GUI. They are off when gray.   * If using Classic or CLIMB, check to make sure the dither is off by looking at the dither status in the CLASSIC/CLIMB server. If necessary, this can be turned off from the dither tab on the Classic/CLIMB GUI. They are off when gray.
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   * Visually check all telescopes in the spycams to make sure all covers and slits are closed. Turn the TV to Finder, then turn the TV OFF, and close the telescope GUIs.   * Visually check all telescopes in the spycams to make sure all covers and slits are closed. Turn the TV to Finder, then turn the TV OFF, and close the telescope GUIs.
   * Leave GPS server and the Telescope Servers open and running   * Leave GPS server and the Telescope Servers open and running
-\\  + 
-===6.7 Shutting down the Lab=== +=== 6.7 Shutting down the Lab === 
-\\  + 
-\\   + \\  \\ Close vacuum lines and turn off pump
-Close vacuum lines and turn off pump\\ +
  
   * Go to the lab and close the vacuum valves for all telescope lines (valve handle turned perpendicular to the tube).   * Go to the lab and close the vacuum valves for all telescope lines (valve handle turned perpendicular to the tube).
   * Go outside to the pump shack and close the vacuum valve. Then shut off the vacuum pump. Note any unusual noises or excessive oil temps (above 54 C) reported by the thermometer. Let Larry know of any concerns.   * Go outside to the pump shack and close the vacuum valve. Then shut off the vacuum pump. Note any unusual noises or excessive oil temps (above 54 C) reported by the thermometer. Let Larry know of any concerns.
-\\   + 
-In the computer area of the lab:\\ + \\ In the computer area of the lab:
  
   * Turn off the Burleigh amplifiers, the amplifiers for cart movement, and the cable pullers.   * Turn off the Burleigh amplifiers, the amplifiers for cart movement, and the cable pullers.
   * Turn off the power for the surge protector (black box, bottom left of VME rack).   * Turn off the power for the surge protector (black box, bottom left of VME rack).
   * Turn off the VME, top of the left rack   * Turn off the VME, top of the left rack
-\\   + 
-Go inside the lab with booties:\\ + \\ Go inside the lab with booties:
  
   * Put the tiptilt cover back on the tiptilt camera   * Put the tiptilt cover back on the tiptilt camera
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   * Shut off lights when exiting the lab building. Return your booties to the basket if good or to the trash if they have holes in them.   * Shut off lights when exiting the lab building. Return your booties to the basket if good or to the trash if they have holes in them.
   * Make sure all doors are closed as you leave.   * Make sure all doors are closed as you leave.
-\\  + 
-\\  +=== 6.8 Odds and ends. === 
-===6.8 Odds and ends.=== + 
-\\  + \\  \\ Back in the Control Room:
-\\   +
-Back in the Control Room:\\ +
  
   * If you run into any problems during the shutdown procedures, send an email to charamnt or directly to Larry and Steve so that they can work to resolve any problems that need to be resolved promptly.   * If you run into any problems during the shutdown procedures, send an email to charamnt or directly to Larry and Steve so that they can work to resolve any problems that need to be resolved promptly.
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   * Lock front and side doors of Operations Center if you are the last one in the building   * Lock front and side doors of Operations Center if you are the last one in the building
   * Lock OPLE building doors; they tend to stick open, please shut tightly   * Lock OPLE building doors; they tend to stick open, please shut tightly
-\\  + 
-\\  + \\  \\ [[:chara:operating_procedures|Back to Main Menu]] 
-[[chara:operating_procedures|Back to Main Menu]]+ 
chara/operating_procedures.txt · Last modified: 2023/09/01 02:50 by gail_stargazer

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