The CHARA Array Wiki

User Tools

Site Tools

Trace:
chara:new_operating_procedures

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision 		Previous revision
chara:new_operating_procedures [2024/04/22 20:31]
charaobs [New Operating Procedures] 		chara:new_operating_procedures [2024/05/01 01:01] (current)
bflores [Trouble Shooting - Locking TT and AO Loops]
Line 818: Line 818:
         - can use rotation wheel. spica is 90 degrees CW from azimuth of star.         - can use rotation wheel. spica is 90 degrees CW from azimuth of star.
         - use steps 222 - 500 and wait for dm to adjust before clicking again.         - use steps 222 - 500 and wait for dm to adjust before clicking again.
-      - as of 10/13, spica requests that telemetry is recorded once data sequence is being recorded. +      - when finished, on ip_det, press **[FTT SERVO] **and** [OFFLOAD]**.
-        - **CD,**  Control tab, next to Star Acquired, **[TELEMETRY]**  (click once, nothing will pop up)+
   - Make sure data acquired line comes in on CD, otherwise do **[DATA ACQ]. **   - Make sure data acquired line comes in on CD, otherwise do **[DATA ACQ]. **
       - or make sure to **[REOPEN]**  CD during shutters       - or make sure to **[REOPEN]**  CD during shutters
Line 947: Line 946:
       - Unlock TT DM, last flat, make drk, next, lock again, TT       - Unlock TT DM, last flat, make drk, next, lock again, TT
       - DM sometimes makes it hard to hold on to star if using flat.       - DM sometimes makes it hard to hold on to star if using flat.
 +  - if star is **flaring** and really bright,
 +      - lower the gain, may need to go lower than 100, maybe even 30 or lower. Lower until star is no longer flaring and spot is compact.
   - May also need to change to higher gain for dimmer stars, Vmag 8 or higher   - May also need to change to higher gain for dimmer stars, Vmag 8 or higher
       - Select [FAINT], wait til wfs starts moving, relock TT DM.       - Select [FAINT], wait til wfs starts moving, relock TT DM.
   - After TT DM, Zdark if gain is not 300   - After TT DM, Zdark if gain is not 300
 +
  
 ===== Optimizing AO Performance on W2 and S2 ===== ===== Optimizing AO Performance on W2 and S2 =====
Line 1278: Line 1280:
         - if that doesn't work, go to the lab and try giving it a soft nudge to get it unstuck.         - if that doesn't work, go to the lab and try giving it a soft nudge to get it unstuck.
         - if it doesn't move, check that the ribbon and cable are on the track and not caught somewhere. Also check the cable spooler is not loose and wind it up if it is.         - if it doesn't move, check that the ribbon and cable are on the track and not caught somewhere. Also check the cable spooler is not loose and wind it up if it is.
-  - cart error is jumping about 100 microns every 4-6 seconds. +  - cart error is jumping about 100 microns every 4-6 seconds. On mircx/mystic, fringes will show an oscillating pattern that corresponds to the jump in cart error. In the lab, a faint ticking sound may also be heard. 
-      - On mircx/mystic, fringes will show an oscillating pattern that corresponds to the jump in cart error. +      - First try restarting ople server. 
-      - In the lab, a faint ticking sound could also be heard. +        - Turn off the carts 
-      - Turn off the cart +        - Restart ople server 
-      - On Ople System Controller, restart the ople computer for the cart +        - Track carts. 
-      - When its done, rehome and check the cart. Issue should go away.+      - if problem persists, restart ople system controller. 
 +        - On Ople System Controller, restart the ople computer for the cart. 
 +        - When its done, rehome and check the cart. Issue should go away.
  
 === Hut Error === === Hut Error ===
chara/new_operating_procedures.1713832260.txt.gz · Last modified: 2024/04/22 20:31 by charaobs

Page Tools

Except where otherwise noted, content on this wiki is licensed under the following license: CC Attribution-Share Alike 4.0 International
CC Attribution-Share Alike 4.0 International Donate Powered by PHP Valid HTML5 Valid CSS Driven by DokuWiki