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Palomar Adaptive Optics Test Plan


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Caltech Optical Observatories / NASA Jet Propulsion Laboratory

Palomar Adaptive Optics



Palomar Adaptive Optics Test Plan



Title

NGS AO Checkout

Date

Every AO engineering night

Lead

A. Bouchez

Time requested

30 minutes during evening twilight.

Required conditions

Sufficiently clear to close loops on V=9 star.




Purpose

To verify acceptable performance of the NGS AO system for subsequent engineering tests. This includes estimating the primary mirror figure, seeing, on-axis Strehl, and isoplanatic angle.







Test procedure

  1. Choose a binary star near zenith from the list below.

  2. Acquire the primary with the AO system. All are 7

  3. Take a wavefront sensor sky, perform both coarse and fine WFS-DM registration, and close the AO loops.

  4. While waiting ~120s for focus offload to secondary, center binary on PHARO field and test count level:

    1. Camera setup: 25mas FOV, Ks, ND 1%, standard cross, 10s integration.

    2. Take a quick frame.

    3. Adjust telescope pointing to include both stars in FOV.

    4. Adjust exposure time to get 10-20k peak counts on brighter star.

    5. Record final telescope focus value.

  5. Open loops, create a flat-map on the star [need more detailed instructions here].

  6. Take a new WFS background if performing the experiment in twilight.

  7. Close loops.

  8. Record 3 images with PHARO. Note file numbers and primary Strehl.

  9. Open the DM loop only using TAO button (loads flat-map).

  10. Record 1 image with PHARO, 30s integration. Note file number and FWHM.







Results and conclusions

Date:




Weather conditions:




Telescope focus:




PHARO directory:







File numbers

Strehl/FWHM

Closed-loop images







Open-loop image







Please note any other performance issues:

Star list
Result of a VizieR search of the Washinton Double Star Catalogue (I/237) with the following constraints:  (DE2000: "18:20:00..48:20:00")  AND   (Sep1: "8..15")  AND   (Sep2: "8..15")  AND   (MagA: "7..9")  AND   (MagB: ">10")
The digit in the first column provides a link to the detailed Vizier page on the star.
Full recno RA2000 DE2000 pa1 Sep1 MagA MagB

"h:m:s" "d:m:s" deg arcsec mag mag
1 1035 00 21.0 +43 43 94 9.6 8.40 12.50

2 2736 00 55.6 +34 33 71 10.9 8.80 11.80

3 6043 02 09.6 +42 51 183 10.9 7.20 11.00

4 9379 03 33.9 +32 05 142 13.4 8.80 12.00

5 9646 03 41.9 +43 31 342 8.3 7.90 14.40

6 17651 06 10.8 +33 00 332 14.1 8.20 12.00

7 18330 06 19.8 +22 07 290 10.0 9.00 12.80

8 18992 06 28.7 +35 16 97 13.0 8.70 11.60

9 21554 06 52.8 +47 12 153 12.4 8.00 13.50

10 21919 06 56.2 +34 28 37 11.8 8.20 12.20

11 22350 07 00.2 +42 59 167 9.3 9.00 10.80

12 23030 07 06.2 +24 52 50 14.1 7.10 11.10

13 24539 07 21.5 +25 14 160 10.4 8.70 13.00

14 36038 10 54.5 +20 46 5 8.4 8.40 11.90

15 42315 13 49.6 +34 59 23 10.7 9.00 10.50

16 42896 14 06.7 +34 47 71 14.2 7.00 10.20

17 44533 14 52.5 +18 44 161 9.1 8.00 12.00

18 45409 15 17.1 +41 17 121 9.3 8.40 12.40

19 48692 16 40.9 +21 57 183 11.8 7.90 12.40

20 49837 17 07.5 +35 57 197 12.5 9.00 11.00

21 51808 17 46.7 +35 38 92 11.0 8.80 11.80

22 52898 18 03.9 +26 39 193 12.4 7.00 12.00

23 53545 18 12.6 +31 35 174 11.6 8.90 11.00

24 54773 18 29.2 +29 33 186 11.5 7.70 12.60

25 55703 18 40.9 +31 32 162 9.0 8.54 11.54

26 56066 18 45.2 +38 19 22 10.4 7.70 10.40

27 57496 19 03.9 +34 09 295 11.1 7.30 12.80

28 59236 19 26.5 +40 08 221 9.8 8.40 13.70

29 60632 19 41.3 +30 43 29 9.1 7.30 13.40

30 62317 19 59.5 +24 43 175 14.4 8.30 10.70

31 62922 20 06.0 +35 46 111 9.4 8.20 12.00

32 62923 20 06.0 +35 46 299 11.3 8.20 14.80

33 63423 20 11.3 +21 21 64 13.2 8.10 12.10

34 63792 20 14.2 +35 22 231 11.8 7.59 10.50

35 64828 20 24.2 +29 00 134 13.0 7.20 11.20

36 66315 20 39.6 +21 43 315 9.2 8.66 10.53

37 67730 20 57.4 +20 10 268 8.0 8.30 12.80

38 68168 21 03.5 +24 00 299 13.1 7.40 13.40

39 68328 21 05.7 +47 48 315 10.4 7.45 12.00

40 68472 21 07.2 +36 57 285 10.4 8.15 10.50

41 70580 21 39.5 +41 44 158 13.9 7.56 12.10

42 72417 22 10.1 +32 21 131 13.1 7.90 12.10

43 74560 22 46.0 +19 15 270 8.7 7.47 10.80

44 75273 23 00.4 +41 07 295 14.0 8.80 10.50

45 75662 23 09.6 +24 16 100 12.2 8.70 12.60

46 75690 23 10.0 +36 51 334 12.4 8.20 14.70






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