UT20090612 Telescope Performance Verification
with IRTC at LFBG

Observers: DThompson, MPedani (LBT)
Telescope Operator: DGonzalez-Huerta
Software Support: MDeLaPena, TLeibold (Tucson)
Telescope Support: DOfficer

Summary

Guide Gain Factor tests

Details (Time in UTC)

01:27 Closed-dome ACQUIRE preset successful.
Toutside=7.4 Tmirror=4.2 RH=27.4 Wind 15-21m/s (gusts above 20)

03:08 Still closed for high winds.

07:05 Winds dropped (15m/s) and sky clear, so we opened.
Toutside = 5.3, Tmirror = , RH=36%, Winds 10, gusts to 17 m/s

07:18 Pointo BS9170 gs=53 tel=active

07:30 GUIDE FACTOR TEST

N1 = First Guider Image N2 = Last Guider Image Single = First IRTC Image irtc.20090612.* of the sequence

Note: we take Sequences of 100 IRTC images 2s each.

GFact N1 N2 Single Cube Notes
0.95 0343 0421 072955 1  
0.70 0431 0508 073404 2  
0.95 0516 0592 073808 3  
0.70 0597 0674 074157 4  
0.95 0683 0760 074605 5  
0.70 0768 0847 075004 6  
0.95 0855 ? 075414 7 Stopped due to PCS at ~ #48
0.95 0960 01036 081158 8  
0.70 01044 01117 081600 9  
0.95 01126 01185 082003 10  
0.70 01192 01256 082401 11  
           
0.70 01288 01363 082917 12  
0.45 01381 01456 083343 13  
0.70 01469 01540 083801 14  
0.45 01562 01630 084236 15  
0.70 01650 01715 084718 16  
0.45 01731 01804 085152 17  
0.70 01816 01880 085604 18  
0.45 01889 01955 090005 19  
0.70 01966 02060 090427 20  
0.45 02068 02143 090938 21  
           
0.90 02194 02280 091606 22  
0.60 02288 02356 092052 23  
0.90 02363 02439 092445 24  
0.60 02447 02515 092903 25  
0.90 02524 02596 093304 26  
0.60 02603 02701 093706 27  
0.90 02708 02776 094231 28  
0.60 02789 02861 094643 29  
0.90 02871 02940 095100 30  
0.60 02951 03019 095508 31  
           
1.00 03046 03110 100009 32  
0.75 03122 03200 100417 33  
1.00 03205 03280 100848 34 We are at El +37
0.75 03294 03361 101334 35 We are at El ~37

Slew to WT10_236 to check Pointing

CA=12 IE=-117

10:26 pointo BS9183 gs=46

GFact N1 N2 Single Cube Notes
1.00 03514 03600 103134 36  
0.75 03612 03676 103655 37  
1.00 03685 03749 104052 38 Seeing up to ~2"
0.75 03769 03832 104526 39  
1.00 03842 03906 104924 40  
0.75 03913 03985 105317 41  
0.75 04042 04326 110031 42 This is a 450 images seq.
0.75 04336 04637 111710 43 450 images seq. after Offset 2", 2"

Leave 0.75 gain factor

-- DavidThompson - 11 Jun 2009
I Attachment Action Size Date Who Comment
daq.20090612.gifgif daq.20090612.gif manage 41 K 08 Jul 2009 - 18:28 JohnHill Plot of Telescope and Mirror Temperatures
Topic revision: r6 - 08 Jul 2009, JohnHill
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