20170214 Commissioning Plan

Priorities for test are in the order listed in the plan below.

NOTE: The DMI should now be run for every trajectory with a 10 second cycle time.

Highest Priority: Engineering; BIB drift tests and then do any support for WFS commissioning.

Lowest Priority: Science Targets in dark/grey time.

twilights tests

VIRUS special twilights

Purpose: There is some interest in seeing what the long term illumination correction changes look like including what different track positions do to them. The script is "specialtwilight" in /home/mcs/astronomer/bin/. It takes a single argument which is the Observation number.

Procedure:

• Setup the guide camera for sky twilight (GC2, 0.1 sec exposure, B filter)
• When you hit the correct flux level (biased to a slight higher value, perhaps 5k) execute the specialtwilight script

Night time engineering:

BIB Drag Test

• Make sure your stack is pretty good (RSE < 250)
• Make sure GROC is pretty well set
• Select a 13th mag target near the start of the track for all probes and targetted on BIB using shuffle and shuffle_config_matt4
• Setup on BIB and start guiding on BIB.
• Center up both guide probes and start metrology loops.
• Center up at least one OWFS to watch focus.
• set bib exposure to be not saturated but at least 3 seconds ( e.g. 2 seconds with 2 co-add)
• Record a time, GROC and RSE in the log
• Hit "store images" and "Start Metrology Loop" for GC1, GC2, WFS1, WFS2, TT, BIB
• In this test we should NEVER apply X,Y, or GROC offset corrections
• Run until the end of track
• when done, record a time, GROC and RSE in the log

Run this at several different Az. Priorities 320, 40, 350, 10, 150, 210, 270.

Globular cluster dither test with VIRUS

Purpose: Now that we have eliminated some of the drag problems we would like to test how dithering looks on VIRUS. Do this on a globular cluster (GC). Choose a a very rich wide GC. Want to put the center of the GC on one of the currently active IFU.

Good globulars that we have used in past, that are up now, are:

NGC2419 (probably need 5 minute exposure for this) NGC4147 NGC5024 = M53 NGC5272 = M3

NGC5024 and NGC5272 would be ideal for this even though they are only in the East and CCAS will block some of the light.

• Use do_shuffle to set up on a globular cluster on one IFU
• Have TO setup guiding on gc1. This will put the guide probe close to the IFUs and will minimize the guider drag.
• offset the nearest bright star onto the BIB with the probes=true option.
  • It is critical that you get a star on the BIB for this test.
• while at dither position 1, start saving bib images (you may have to manually open the PFIP shutter) and get the proper exposure time (try to get exposure x coadd >= 3)
• start saving bib images
• record start time in the log
• Run take a parallel exposure with 120 seconds, virus as the prime and dither = true.
• when dither 3 is complete stop saving bib images
• record end time in the log
• setup on the next IFU.

repeat with gc2 to maximize the drift.

Here are some suggestions that might help.

antigc1
mgp -cp

convert /home/mcs/astronomer/matttmp/ACAMimages/ngc5024_103_E.png /data1/nossy/www/html/noss/htopx2/acam_dss.jpg
syscmd -T -v 'load_trajectory(id=4018, ra=13.2169, dec=18.298265, equinox=2000.0, dir="EAST" )'
syscmd -T -v 'Guider1_set_position( ra=13.2134, dec=18.151206 )'
mgp -mp
echo "starting ngc5024_103" >> mattlog
date >> mattlog
vlexp -i virus -t sci -texp 120 -pobj ngc5024_103 -sobj ngc5024_103 -dither -B
echo "ending ngc5024_103" >> mattlog
date >> mattlog

Science with LRS2

• Select targets based on Priority and to a lesser extent modified priority
• Watch the sky brightness carefully!
• No VIRUS until we get the OK from Karl or Matthew
• There is a TOO SN for UT17-1-004 at 5:30 (East) and 8:30 (West) UT.
• Try to use WFS1 during science targets if possible to assist in getting focus. NOTE: Probably not possible for LRS2-B -> LRS2-R sequence tests.
• Don't bother with PSU17-1-002 during engineering time.

Closed dome engineering for bad weather, or while stacking:

None at this time.