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chara:new_operating_procedures [2025/03/24 00:18] bflores [Setting up Cosmic Debris Sequencer] |
chara:new_operating_procedures [2025/04/26 16:28] (current) bflores [Alignment Sequence for Visible Combiners: SPICA and PAVO] |
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====== New Operating Procedures ====== | ====== New Operating Procedures ====== | ||
- | Last updated | + | Last updated |
Any major updates made to the wiki, please send an email to the gsu " | Any major updates made to the wiki, please send an email to the gsu " | ||
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[[: | [[: | ||
[[: | [[: | ||
+ | |||
===== Observing Conditions ===== | ===== Observing Conditions ===== | ||
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__To vent the domes (open partially, usually during Summertime): | __To vent the domes (open partially, usually during Summertime): | ||
- | - On **obsgtk**, control tab, **[UNL SL], [VENT] ** | + | |
- Open them fully when the sun has reached 40º for maximum cooling. The time you can fully open is on the white board, | - Open them fully when the sun has reached 40º for maximum cooling. The time you can fully open is on the white board, | ||
- Then** Dome GUI, RA/DEC tab, ANTI-SUN** | - Then** Dome GUI, RA/DEC tab, ANTI-SUN** | ||
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===== ===== | ===== ===== | ||
- | |||
===== Preparations in the Lab Prior to Observing ===== | ===== Preparations in the Lab Prior to Observing ===== | ||
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- If pressure is higher than 100 torr in any of the lines, pump those lines only one at a time. | - If pressure is higher than 100 torr in any of the lines, pump those lines only one at a time. | ||
- Make sure the main valve (PUMP #2) is not more than 200 torr, control that by slowly opening or closing the valve on the line you are pumping. | - Make sure the main valve (PUMP #2) is not more than 200 torr, control that by slowly opening or closing the valve on the line you are pumping. | ||
- | |||
==== Turn on Electronics Inside the Lab ==== | ==== Turn on Electronics Inside the Lab ==== | ||
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- If you do not observe due to weather, fire or closure, inform someone on the mountain before 2:30 pm so they can fill it for you. | - If you do not observe due to weather, fire or closure, inform someone on the mountain before 2:30 pm so they can fill it for you. | ||
- An email is sent to all staff when NIRO is pumped and cooled again and will need to be cooled. | - An email is sent to all staff when NIRO is pumped and cooled again and will need to be cooled. | ||
- | |||
==== If lab alignments haven’t been done ==== | ==== If lab alignments haven’t been done ==== | ||
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Before doing alignments, | Before doing alignments, | ||
- | - Blue chara menu, ESP Controllers, | + | |
- Turn on each scope ldc (red button will turn green) | - Turn on each scope ldc (red button will turn green) | ||
- change ' | - change ' | ||
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- go inside lab to where STS is set up. On the wall outlet, plug in the black cord; it's the only cord by the outlet. | - go inside lab to where STS is set up. On the wall outlet, plug in the black cord; it's the only cord by the outlet. | ||
- use GUI " | - use GUI " | ||
- | |||
==== Starting OPLE System and Metrology ==== | ==== Starting OPLE System and Metrology ==== | ||
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**NOTE: | **NOTE: | ||
- | |||
===== Setting up in Control Room ===== | ===== Setting up in Control Room ===== | ||
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Let the domes cool at least an hour to do M10 and red beacon alignments, otherwise things will drift as the temperature changes and will need to be realigned. Alignments can get started before ople system controller is on and before UT 0 because the scope servers are always on. Will need labao servers (after UT 0) to do labao alignments. Remember to restart scope servers. Ople system controller is needed for the carts, not alignments | Let the domes cool at least an hour to do M10 and red beacon alignments, otherwise things will drift as the temperature changes and will need to be realigned. Alignments can get started before ople system controller is on and before UT 0 because the scope servers are always on. Will need labao servers (after UT 0) to do labao alignments. Remember to restart scope servers. Ople system controller is needed for the carts, not alignments | ||
- | |||
==== Open servers required for observing after UT 0 ==== | ==== Open servers required for observing after UT 0 ==== | ||
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- To reorganize the servers - White menu, load layout, press mouse wheel, enter, all servers will go to saved positions. | - To reorganize the servers - White menu, load layout, press mouse wheel, enter, all servers will go to saved positions. | ||
- Or highlight the last entry on 2nd column and press the scroll wheel to paste, then enter. | - Or highlight the last entry on 2nd column and press the scroll wheel to paste, then enter. | ||
- | |||
==== Setting up GUIs for observing: ==== | ==== Setting up GUIs for observing: ==== | ||
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- The following windows should be opened on computer screen 1 (these are usually kept open all the time): | - The following windows should be opened on computer screen 1 (these are usually kept open all the time): | ||
- Telescope monitor, Beam Samplers and PoPs, Visbeams, Shutters, Laser Filters, Iris, Metrology Laser (METLAS), Metrology Monitor (METROL), Sockman, Pico 2, Power, Weather gui and graph, terminal for opening popperigtk, aomon and beacon tune. | - Telescope monitor, Beam Samplers and PoPs, Visbeams, Shutters, Laser Filters, Iris, Metrology Laser (METLAS), Metrology Monitor (METROL), Sockman, Pico 2, Power, Weather gui and graph, terminal for opening popperigtk, aomon and beacon tune. | ||
- | |||
==== Setting up Cosmic Debris Sequencer ==== | ==== Setting up Cosmic Debris Sequencer ==== | ||
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- W2 is usually the reference cart for 6T observations | - W2 is usually the reference cart for 6T observations | ||
- Make sure beams are correct | - Make sure beams are correct | ||
- | - - If beams are not correct, move using the **BeamSampler GUI** and set on** Cosmic Debris**<font inherit/ | + | - - If beams are not correct, move using the **BeamSampler GUI** and set on** Cosmic Debris** |
- check and set pops to first configuration in setup email | - check and set pops to first configuration in setup email | ||
- After everything is set correctly, click **[SEND] **on **Cosmic Debris** | - After everything is set correctly, click **[SEND] **on **Cosmic Debris** | ||
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- Check the top of 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). | - Check the top of 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 as the clock is synced one second off from usual. Use **[SYNC CLOCKS] **again to get the OPLE errors to (0) or (1). | - A reading of (0) and (-1) may cause problems as the clock is synced one second off from usual. Use **[SYNC CLOCKS] **again to get the OPLE errors to (0) or (1). | ||
- | | + | |
+ | - if errors remain, offsets may be incorrect, make sure to inform PI they might have to search farther than usual. | ||
+ | - it may be that it will remain unsynced until midnight, when it'll automatically show as (0,1) on its own. | ||
===== POP changes and M10 Alignments: ===== | ===== POP changes and M10 Alignments: ===== | ||
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Check that pops are set as the same pops as the setup request email before homing the carts or after homing and sending them back to 20m. | Check that pops are set as the same pops as the setup request email before homing the carts or after homing and sending them back to 20m. | ||
+ | |||
+ | Make sure to send M7 to default, and that STS VIS is out. | ||
- **PoPS Gui**,** [Overview**] button to bring up the **POP Overview**** gui** | - **PoPS Gui**,** [Overview**] button to bring up the **POP Overview**** gui** | ||
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===== Beacon Alignments at Stow ===== | ===== Beacon Alignments at Stow ===== | ||
- | Make sure the carts are **not near the front** (0-5 meters) when performing these alignments or the labao alignments will be off. | + | Make sure the carts are **not near the front** |
- | * Move the carts to 5m or farther back from the home switch. | + | |
< | < | ||
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< | < | ||
- | |||
==== Turning on Beacons and Starting WFS Cameras ==== | ==== Turning on Beacons and Starting WFS Cameras ==== | ||
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- Bootlaunch_master twice to make sure it is removed from sockman and a new acq server started | - Bootlaunch_master twice to make sure it is removed from sockman and a new acq server started | ||
- Reopen obsgtk and turn on Acq view | - Reopen obsgtk and turn on Acq view | ||
- | |||
==== Beacon Alignment/ | ==== Beacon Alignment/ | ||
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- Main tab, **[****LD DEF].** | - Main tab, **[****LD DEF].** | ||
- Confirm DM curent changes when loading the default. Should range between 0.64-2.28A | - Confirm DM curent changes when loading the default. Should range between 0.64-2.28A | ||
- | - Make sure DMTILT is on | + | - Make sure DMTILT is **OFF **during alignments at STOW and on sky. |
- | - Main tab, **[DMTILT]**, | + | - Main tab, **[DMTILT]**, |
Red Beacon: | Red Beacon: | ||
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If the STST camera is already running, you can open a second GUI by typing “ststrtd_gtk” in a terminal and click the “Start RTD” button to start the display. You can adjust the contrast of the display by changing the number in “Flux” box in the upper right of the GUI. | If the STST camera is already running, you can open a second GUI by typing “ststrtd_gtk” in a terminal and click the “Start RTD” button to start the display. You can adjust the contrast of the display by changing the number in “Flux” box in the upper right of the GUI. | ||
- | |||
===== Homing the Carts ===== | ===== Homing the Carts ===== | ||
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- You can preposition the carts on first object | - You can preposition the carts on first object | ||
- ople GUI, **[START]** | - ople GUI, **[START]** | ||
- | - press **[FT]** (turns grey) on all except for the ref cart. | + | - press **[FT]** |
- On** CD**, Star/ | - On** CD**, Star/ | ||
- Control tab, **[STAR ACQUIRED]** | - Control tab, **[STAR ACQUIRED]** | ||
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- Click **[TRACK] **on the OPLE Control Tab **for all active carts, | - Click **[TRACK] **on the OPLE Control Tab **for all active carts, | ||
- After the observer sets up the science instrument, have them send a big offset (~ 1 mm) to one of the active carts to confirm that the beam combiner is talking to OPLE. You should see the error increase momentarily when the offset is sent to the cart. | - After the observer sets up the science instrument, have them send a big offset (~ 1 mm) to one of the active carts to confirm that the beam combiner is talking to OPLE. You should see the error increase momentarily when the offset is sent to the cart. | ||
- | |||
===== Going on Sky ===== | ===== Going on Sky ===== | ||
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For the visible combiners the red beacon and starlight will be coaligned, so you only need to use the blue starlight boxes on the telescope WFS. | For the visible combiners the red beacon and starlight will be coaligned, so you only need to use the blue starlight boxes on the telescope WFS. | ||
- | **Obsgtk, **main tab, **[ZERO BCN]** | + | **Obsgtk, **main tab, **[ZERO BCN]** at the start of the night to clear any offset between the position of the beacon boxes and the starlight boxes to avoid any confustion |
For **SPICA**, make sure to do " | For **SPICA**, make sure to do " | ||
- | | + | - Slew to star. |
- Main tab, turn on **[M7AUTO] **to hold the blue beacon during the slew and avoid drifting. It will turn off at the end of the slew. | - Main tab, turn on **[M7AUTO] **to hold the blue beacon during the slew and avoid drifting. It will turn off at the end of the slew. | ||
- CD, **[Star Acquired], | - CD, **[Star Acquired], | ||
- **FOR PAVO: **Do **<font inherit/ | - **FOR PAVO: **Do **<font inherit/ | ||
- | - Obsgtk, | + | - Obsgtk, |
- | - for spica, or bright stars (should get a preset soon) | + | - Make sure **[DMTILT]** |
- **[ALN BCN], **Align red beacon to the blue starlight boxes on the telescope WFS using the beacon flat. | - **[ALN BCN], **Align red beacon to the blue starlight boxes on the telescope WFS using the beacon flat. | ||
- Wfs tab, Use beacon buttons if needed on W1 if beacon gets out of the boxes | - Wfs tab, Use beacon buttons if needed on W1 if beacon gets out of the boxes | ||
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- **[RED OFF] **Turn off red beacon. | - **[RED OFF] **Turn off red beacon. | ||
- Click **[MOVE]** | - Click **[MOVE]** | ||
- | - Turn off blue beacon and lock star on **[TT]** | + | - Turn off blue beacon and lock star on **[TT].** |
- | - Move TWFS boxes (**ADJ** | + | - Wait a few seconds |
- Lock star on telescope AO servo (**[****DM]** | - Lock star on telescope AO servo (**[****DM]** | ||
+ | - <font 14px/ | ||
- Turn on the blue beacon | - Turn on the blue beacon | ||
- | - Make sure **DMTilt is green** | + | - Make sure **DMTilt is green** |
+ | - stays off during alignments, | ||
+ | | ||
- Turn on **DM AUTO**, **LABAO**. | - Turn on **DM AUTO**, **LABAO**. | ||
- **For PAVO: **make sure carts are in position, then hit **[STAR ACQUIRED**] once alignments are finished. Star acq. starts the camera on pavo. | - **For PAVO: **make sure carts are in position, then hit **[STAR ACQUIRED**] once alignments are finished. Star acq. starts the camera on pavo. | ||
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- use step size of about 32 if on the edge to bring to center. Directions are normal (ex. right is right) | - use step size of about 32 if on the edge to bring to center. Directions are normal (ex. right is right) | ||
- Use **STST **as a reference, if spots are far on ipdet display, stst is probably really off too. Use stst to bring spots close to center and it should help bring spots close to center on ipdet, then use BF/M7 to finish aligning. | - Use **STST **as a reference, if spots are far on ipdet display, stst is probably really off too. Use stst to bring spots close to center and it should help bring spots close to center on ipdet, then use BF/M7 to finish aligning. | ||
+ | - use the printed azimuth wheel to get directions of the buttons for SPICA. | ||
- let SPICA team know, they may or may not want you to turn on FTT/SERVO. | - let SPICA team know, they may or may not want you to turn on FTT/SERVO. | ||
- Once aligned, on STST GUI, press **[CenBox]** | - Once aligned, on STST GUI, press **[CenBox]** | ||
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- At times, Mircx will have such poor flux that a beacon flat correction to align to the STST reference position will be needed. This will occur on **E1 pop 4 ****and 5** and **S1 pop 5** due to their extreme distances from the telescope to the lab. | - At times, Mircx will have such poor flux that a beacon flat correction to align to the STST reference position will be needed. This will occur on **E1 pop 4 ****and 5** and **S1 pop 5** due to their extreme distances from the telescope to the lab. | ||
- Follow the SPICA team guidance in making this correction to improve the flux to keep Mircx usable as a fringe tracker with those baselines. | - Follow the SPICA team guidance in making this correction to improve the flux to keep Mircx usable as a fringe tracker with those baselines. | ||
+ | |||
==== Alignment Sequence for IR Combiners: MIRC-X/ | ==== Alignment Sequence for IR Combiners: MIRC-X/ | ||
- | The path of the IR light will be different from the visible light because of dispersion in the AO dichroic and atmospheric refraction. To compensate for this offset, we have **two sets of boxes** | + | The path of the IR light will be different from the visible light because of dispersion in the AO dichroic and atmospheric refraction. To compensate for this offset, we have **two sets of boxes** on the telescope WFS. |
- | The **__blue boxes__ | + | The **__blue boxes__ are for starlight** and the **__green boxes__ are for aligning the red beacon**. The offset between these sets of boxes will change depending on the azimuth and elevation of the target. |
The green beacon boxes help keep track of the offset red beacon motion. These are defined as an offset to the starlight position, so if you move the starlight boxes, the beacon boxes will also move. If you move the beacon boxes only they will move. | The green beacon boxes help keep track of the offset red beacon motion. These are defined as an offset to the starlight position, so if you move the starlight boxes, the beacon boxes will also move. If you move the beacon boxes only they will move. | ||
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Faint stars (H > 5 mag) will not be easily visible in STST. Therefore, before slewing to the first star of the night or when slewing to a different region of the sky, slew to to a nearby bright IR star to align the beacon flat and set the beacon box offset on the TWFS. Then slew to faint star, keeping the red beacon at the same fixed position. | Faint stars (H > 5 mag) will not be easily visible in STST. Therefore, before slewing to the first star of the night or when slewing to a different region of the sky, slew to to a nearby bright IR star to align the beacon flat and set the beacon box offset on the TWFS. Then slew to faint star, keeping the red beacon at the same fixed position. | ||
- | **NOTE: | + | **NOTE:** The STST centroiding/ |
For **H=6 mag**, try changing coadds to 5 or 10 for 1 sec integration. | For **H=6 mag**, try changing coadds to 5 or 10 for 1 sec integration. | ||
- | For **H=8 mag, | + | For **H=8 mag,** centroiding has been shown to work using 50 sec exposure (1 coadd). |
*Please update here* if you determine settings that work good for the using the auto STST alignments at different magnitudes. | *Please update here* if you determine settings that work good for the using the auto STST alignments at different magnitudes. | ||
**Aligning the scopes before STST:** | **Aligning the scopes before STST:** | ||
- | - On shutters GUI, make sure **[STST]** | + | |
+ | - On shutters GUI, make sure **[STST]** | ||
- Slew to a star of Hmag 5 or brighter (or adjust exposure time/coadds on STST as needed to see fainter stars). | - Slew to a star of Hmag 5 or brighter (or adjust exposure time/coadds on STST as needed to see fainter stars). | ||
- The Find IRC function on CD can do this quickly. | - The Find IRC function on CD can do this quickly. | ||
- Enter the target on a empty line, press **[HD]** | - Enter the target on a empty line, press **[HD]** | ||
- | - will automatically give you a bright star. | + | - will automatically give you a bright star nearby. |
- Close IR shutters as needed to avoid saturating the combiners. | - Close IR shutters as needed to avoid saturating the combiners. | ||
- **[M7AUTO]** | - **[M7AUTO]** | ||
+ | - Obsgtk, use **[BEACON] **preset for beacon alignment. | ||
+ | - Make sure **[DMTILT] **is off while aligning. | ||
- On the first slew only, | - On the first slew only, | ||
- **[ALN BCN], **align red beacon to the __blue star boxes __on the telescope WFS using the beacon flat. | - **[ALN BCN], **align red beacon to the __blue star boxes __on the telescope WFS using the beacon flat. | ||
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- Click **[MOVE]** | - Click **[MOVE]** | ||
- Turn off blue beacon and lock star on **[TT]** | - Turn off blue beacon and lock star on **[TT]** | ||
- | - Move TWFS boxes (use popup from **ADJ** | ||
- | - (Note: you might need to close DM AO loop during this step.) | ||
- Lock star on telescope AO servo (**DM** | - Lock star on telescope AO servo (**DM** | ||
+ | - If needed, move TWFS boxes (use popup from **ADJ** | ||
+ | - (Note: you might need to close DM AO loop during this step.) | ||
- Turn on the blue beacon. | - Turn on the blue beacon. | ||
- | - Make sure **DMTilt | + | - Turn on DMTilt (will turn green). |
+ | - stays off during slews | ||
+ | | ||
- Turn on **DM AUTO**, **LABAO servo**. | - Turn on **DM AUTO**, **LABAO servo**. | ||
- If the coma and astigmatism terms are high on the aberration plots, create a new sky flat | - If the coma and astigmatism terms are high on the aberration plots, create a new sky flat | ||
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- **If the signal is good on the tel WFS, it is a good idea to make a new sky flat on every star.** | - **If the signal is good on the tel WFS, it is a good idea to make a new sky flat on every star.** | ||
**Aligning STST:** | **Aligning STST:** | ||
+ | |||
- With the star locked, move the beacon to align the starlight on STST. | - With the star locked, move the beacon to align the starlight on STST. | ||
- On STST GUI, use either Full or Crop view. | - On STST GUI, use either Full or Crop view. | ||
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- If the star is outside of the STST reference box, | - If the star is outside of the STST reference box, | ||
- Try increasing the size of the STST reference boxes or move the beacon manually using the WFS tab. | - Try increasing the size of the STST reference boxes or move the beacon manually using the WFS tab. | ||
- | - Use the rotation matrix wheel printout on the desk to know which way to move. | + | - Use the azimuth |
- point arrow to the objects azimuth. | - point arrow to the objects azimuth. | ||
- the direction on the printout corresponds to the direction you want to move on stst. | - the direction on the printout corresponds to the direction you want to move on stst. | ||
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- MOVE the star to center on ACQ | - MOVE the star to center on ACQ | ||
- Turn on **TT** | - Turn on **TT** | ||
- | - Turn on **DM AUTO** | + | - Turn on **DM AUTO, DMTILT, |
- **If this is an STST alignment star only** | - **If this is an STST alignment star only** | ||
- slew to the first target and align as needed there, which shouldn' | - slew to the first target and align as needed there, which shouldn' | ||
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For programs with bright IR stars, skip align beacon, but do the M7 and labao focus alignments. Then lock the star on the blue boxes and use the STST to fine tune any misalignment of the beacon flat. Check the beacon focus on the twfs occasionally to make sure it stays near zero, every 2-3 stars. | For programs with bright IR stars, skip align beacon, but do the M7 and labao focus alignments. Then lock the star on the blue boxes and use the STST to fine tune any misalignment of the beacon flat. Check the beacon focus on the twfs occasionally to make sure it stays near zero, every 2-3 stars. | ||
+ | |||
==== Trouble Shooting - AO Performance ==== | ==== Trouble Shooting - AO Performance ==== | ||
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- open terminal, type “S2” | - open terminal, type “S2” | ||
- bootlaunch_master, | - bootlaunch_master, | ||
- | |||
===== –END– ===== | ===== –END– ===== | ||