APACHE POINT OBSERVATORY SDSS 2.5M OBSERVING LOG Tuesday February 24, 2009 (MJD 54887) ---=== OBSERVING TEAM ===--- Audrey Simmons Dan Oravetz ---=== OBSERVING PLAN ===--- SEGUE Science! ---=== OBSERVING SUMMARY ===--- Variable seeing and clouds most of the night. Added signal to: cart. 6, 3231 cart. 9, 3257 cart. 2, 3239 Finished cart. 7, 3263. ---=== OBSERVING LOG ===--- Afternoon --------- Staff meeting. All systems checked and working properly. Disk space: Filesystem Size Used Avail Use% Mounted on /dev/sda3 142G 116G 19G 86% / /dev/sda1 99M 30M 64M 33% /boot /dev/sdb1 917G 795G 76G 92% /data sdssfiles1p:/data1/data 1.5T 680G 713G 49% /files Spectro collimation left at ~10.5C. No problems during checkout. 00:15Z - Started ventilation. Night ----- 00:57Z - Sunset. 00:59Z - Opened. Cart. 6, 3231, SEGUE ******************** 01:17Z - gotoField. Used fk5. 1st guider frame: gimg0795.fits. 01:42Z - preCalibs. 02:02Z - Science. 1800s. 02:35Z - Science. 1800s. 03:08Z - preCalibs. 03:14Z - Science. 1800s. Signal: MJD b1 r1 b2 r2 Texp Sum --------------------------------------------------- 54885 3.6 2.9 4.8 4.4 1800.0 15.7 54885 2.8 2.3 3.8 4.0 1800.0 12.9 54885 1.3 1.2 1.6 2.1 1801.0 6.2 54887 4.7 5.6 6.4 7.2 1800.0 23.9 54887 3.9 4.3 4.7 5.9 1800.0 18.8 54887 3.3 4.4 3.9 4.2 1800.0 15.8 --------------------------------------------------- Total: 19.6 20.7 25.2 27.8 10801.0 --> 93.3 Total when ALL b,r values > 2.0: 18.3 19.5 23.6 25.7 9000.0 --> 87.1 (limit=156.5) Cart. 7, 3263, SEGUE ******************** 03:51Z - gotoField. Used fk5. 1st guider frame: gimg1213.fits. 04:04Z - preCalibs. 04:11Z - Science. 1800s. 04:43Z - Science. 1800s. 05:16Z - preCalibs. 05:26Z - Science. 1800s. 05:59Z - postCalibs. Signal: MJD b1 r1 b2 r2 Texp Sum --------------------------------------------------- 54886 8.9 7.7 10.8 7.1 1801.0 34.5 54886 7.4 7.5 8.4 5.8 1491.0 29.1 54886 0.1 0.1 0.1 0.1 1800.0 0.4 54887 8.5 7.6 11.3 6.9 1800.0 34.3 54887 9.7 8.3 11.9 8.3 1800.0 38.2 54887 6.0 5.8 7.4 5.6 1800.0 24.8 --------------------------------------------------- Total: 40.6 37.0 49.9 33.8 10492.0 --> 161.3 Total when ALL b,r values > 2.0: 40.5 36.9 49.8 33.7 8692.0 --> 160.9 (limit=156.5) This plate is DONE. Cart. 9, 3257, SEGUE ******************** 06:09Z - gotoField. Used fk5. 1st guider frame: gimg0075.fits. 06:17Z - preCalibs. 06:23Z - Science. 1800s. 06:40Z - Clouds thickened and we lost guide stars intermittently. 06:55Z - Waited until the guide stars were visible before starting again. 07:09Z - Science. 1800s. 07:43Z - preCalibs. 07:49Z - Science. 1800s. Bad because of optically thick clouds. 08:22Z - postCalibs. Signal: MJD b1 r1 b2 r2 Texp Sum --------------------------------------------------- 54887 4.5 3.1 5.2 4.3 1800.0 17.1 54887 2.6 2.0 3.2 3.4 1800.0 11.2 54887 0.0 0.0 0.0 0.1 1801.0 0.1 --------------------------------------------------- Total: 7.1 5.1 8.4 7.8 5401.0 --> 28.4 Total when ALL b,r values > 2.0: 7.1 5.1 8.4 7.7 3600.0 --> 28.3 (limit=156.5) Cart. 2, 3239, SEGUE ******************** 09:46Z - gotoField. Used fk5 (but had clouds). 1st guider frame: gimg0469.fits. 10:06Z - Science. 1800s. We had a gap in clouds, so tried exposure first. 10:39Z - preCalibs. The clouds were thicker now, so the timing worked well. 10:45Z - Science. 1800s. Bad because of clouds. 11:18Z - Science. 1800s. Bad because of clouds. 11:51Z - postCalibs. Signal: MJD b1 r1 b2 r2 Texp Sum --------------------------------------------------- 54886 16.1 10.7 21.9 12.6 1801.0 61.3 54886 1.3 1.0 1.8 1.1 1502.0 5.2 54887 5.6 5.3 7.5 4.6 1800.0 23.0 54887 0.4 0.4 0.7 0.4 1800.0 1.9 --------------------------------------------------- Total: 23.4 17.4 31.9 18.7 6903.0 --> 91.4 Total when ALL b,r values > 2.0: 21.7 16.0 29.4 17.2 3601.0 --> 84.3 (limit=156.5) The last two exposures were bad because of clouds and the clouds were not going anywhere before twilight, so we called it. 12:09Z - Closed. 12:11Z - endNight rejoiced. ---=== IMAGING RUN SUMMARY ===--- Run Time Stripe Lambda Last Flavor Comments Start End Begin End Frame ------------------------------------------------------------------------- ---=== IMAGING RUN DETAILS ===--- ---=== SKIPPY RESULTS ===--- Run Frame nFrames stars muErr muRms nuErr nuRms rot az el --------------------------------------------------------------------------- ---=== LTMATCH RESULTS ===--- Run Field nFields alt az nGood rowMean rowSig colMean colSig rot ------------------------------------------------------------------------ ---=== SPECTROSCOPY DATA SUMMARY ===--- Summary Checked (y/n): y QA Procedures Done (y/n): y UT Exp Time flavor comment (S/N)^2 totals ========================================== b1 r1 b2 r2 ----- sequence 59257, plate -9999 ------- 22:13 59257 0.0 bias ----- sequence 59258, plate 3231 ------- 22:19 59258 10.0 flat 22:21 59259 2.0 arc 22:24 59260 3.0 arc Hartmann 22:27 59261 3.0 arc Hartmann ----- sequence 59262, plate -9999 ------- 00:28 59262 0.0 bias ----- sequence 59262, plate 3231 ------- 01:45 59263 10.0 flat 01:48 59264 2.0 arc 02:34 59265 1800.0 target 03:07 59266 1800.0 target 03:10 59267 10.0 flat 03:13 59268 2.0 arc 03:47 59269 1800.0 target ----- sequence 59270, plate 3263 ------- 04:07 59270 10.0 flat 04:09 59271 2.0 arc 04:43 59272 1800.0 target 05:16 59273 1800.0 target 05:19 59274 10.0 flat 05:21 59275 2.0 arc 05:58 59276 1800.0 target 06:02 59277 10.0 flat 06:04 59278 2.0 arc ----- sequence 59279, plate 3257 ------- 06:19 59279 10.0 flat 06:22 59280 2.0 arc 06:55 59281 1800.0 target 07:42 59282 1800.0 target 07:45 59283 10.0 flat 07:48 59284 2.0 arc 08:21 59285 1801.0 target 08:24 59286 10.0 flat 08:27 59287 2.0 arc ----- sequence 59288, plate 3239 ------- 10:38 59288 1800.0 target 10:41 59289 10.0 flat 10:44 59290 2.0 arc 11:17 59291 1800.0 target 11:50 59292 1800.0 target 11:53 59293 10.0 flat 11:56 59294 2.0 arc ---=== TELESCOPE OFFSETS AND SCALE I ===--- Time Instrument Az Alt Rot Scale pos offset pos offset pos offset ------------------------------------------------------------------------------ 01:42Z 6 3231 -63.64 0.0013 63.31 0.0046 127.46 0.0119 1.000090 04:11Z 7 3263 97.99 0.0026 46.15 0.0067 250.71 0.0094 1.000240 06:39Z 9 3257 5.23 0.0015 60.00 0.0032 184.41 0.0296 1.000130 ---=== TELESCOPE OFFSETS AND SCALE II ===--- ---=== FOCUS LOG ===--- setmir piston Temp Wind Time Inst scale M1 M2 Foc Az Alt (C) MPH Dir filt fwhm ------------------------------------------------------------------------------ 01:42Z 6 3231 1.00009 -888 469 60 -64 63.3 9.4 10 256 gdr. 1.5" 04:11Z 7 3263 1.00024 -2369 -717 50 98 46.1 8.6 8 263 gdr. 2.2" 06:39Z 9 3257 1.00013 -1283 115 25 5 60.0 7.6 10 290 gdr. 1.6" ---=== WEATHER LOG ===--- Wind Time Temp F Dewp F MPH Direction Dust DIMM Sky 22:09Z 53 18 14 273 (W) 279 - mostly clear 22:41Z 59 20 8 246 (WSW) 242 - mostly clear 23:09Z 53 18 12 284 (WNW) 276 - mostly clear 23:41Z 54 20 16 271 (W) 298 - mostly clear 00:13Z 53 21 13 270 (W) 311 - mostly clear 00:45Z 52 21 14 241 (WSW) 330 - mostly clear 01:17Z 50 21 7 264 (W) 394 - mostly clear 01:49Z 48 21 12 240 (WSW) 419 - mostly clear 02:21Z 48 20 17 235 (SW) 511 - mostly clear 02:53Z 47 20 12 250 (WSW) 492 - mostly clear 03:26Z 47 21 12 260 (W) 508 - mostly clear 03:58Z 47 20 9 264 (W) 509 - mostly clear 04:30Z 47 19 11 259 (W) 450 - mostly clear 05:02Z 47 19 14 270 (W) 487 - mostly clear 05:34Z 46 20 8 266 (W) 398 - mostly cloudy 06:05Z 46 19 13 288 (WNW) 471 - mostly cloudy 06:39Z 45 18 12 298 (WNW) 410 - mostly cloudy 07:11Z 46 15 11 309 (NW) 436 - mostly cloudy 07:43Z 46 15 9 349 (NNW) 409 - clouds 08:15Z 47 14 11 316 (NW) 427 - clouds 08:47Z 46 12 13 338 (NNW) 373 - clouds 09:19Z 46 13 10 317 (NW) 360 - clouds 09:52Z 45 13 18 307 (NW) 358 - clouds 10:23Z 45 13 13 321 (NW) 364 - clouds 10:53Z 45 13 15 328 (NNW) 350 - clouds 11:24Z 45 12 14 334 (NNW) 336 - clouds 11:56Z 46 8 20 321 (NW) 240 - clouds ---=== TELESCOPE STATUS ===--- 00:15Z - Began ventilation. Doors and louvers opened, fans on. 00:59Z - Enclosure off. 12:09Z - Enclosure on, doors and louvers closed, fans off. No interlocks bypassed. Status at: 12:10Z Telescope stowed at: 30,121,00 mount Instrument mounted: Cartridge 2 Counterweights at: 265 lbs LN2 autofill systems: Connected and turned on. 180L LN2 dewar scales: Spectro: 202.30 lbs, 15.66 psi Imager: No dewar because of warmed imager. ---=== SOFTWARE USED ===--- IOP/SOP: v4_39_0 Watcher: v2_36_0 MCP: v6_4_0 TPM: tpm_v3_5_0 AstroDa: v15_13_1 TCC: TCC 2.10.0 2009-01-12 sdssProcedures: v2_43 SoS: v5_1_8 plate-mapper: v4_3_1 ---=== MIRROR NUMBERS ===--- PRIMARY: -------- Scale: 1.000000 MIGS TONIGHT NOMINAL Axial A -0.0290 -0.0280 Axial B 0.0290 0.0470 Axial C -0.0330 -0.0360 Trans D -0.7570 -0.7600 Lateral E 10.5918 10.5791 Lateral F 12.1793 12.1793 GALILS Commanded: 10450. -100. 5750. 8600. 10350. 10000. Actual: 10471. -76. 5755. 8616. 10374. 10023. SETMIR VALUES PriDesOrient: 0.00 -11.72 8.60 496.70 640.50 PriOrient: 1.06 -11.65 8.77 495.77 639.59 SECONDARY: ---------- Focus: 0.00 Air Temp.: 11.9 Alt.: 29.999997 MIGS TONIGHT NOMINAL Axial A 18.5870 18.5840 Axial B 15.6300 15.6220 Axial C 13.8110 13.8150 Trans D 15.1030 15.1080 GALILS Commanded: 1626647. 1528865. 1595592. -2950. -4550. Actual: 1626627. 1528808. 1595583. -2945. -4561. SETMIR VALUES SecDesOrient: 1257.00 -12.00 -28.00 -39.00 94.77 SecOrient: 1257.02 -11.99 -27.99 -39.18 94.69 ---=== PROBLEMS IN DETAIL ===--- Collimator positions: sp1> 5224 5052 5119 sp2> 5809 5253 5107 Temperatures: sp1 median temp. = 11.6C sp2 median temp. = 10.4C PMSSAvg. temp = 9.6C TelairAvg. temp. = 10.6C IDL 5.5a> collimate, 59260 Reading /data/spectro/54887/sdR-b1-00059260.fit Reading /data/spectro/54887/sdR-b1-00059261.fit COLLIMATE: Min offset = -0.69 pix COLLIMATE: Max offset = 0.45 pix COLLIMATE: RMS across CCD = 0.28 pix COLLIMATE: Mean offset = -0.04 pix COLLIMATE: Camera b1 appears to be IN-FOCUS (|mean| < 0.15 pix) COLLIMATE: Predict blue camera ring movement of 1.6 degrees for spe COLLIMATE: (if red is already in focus) Log file = Collimate-54887-b1-00059260.log PostScript file = Collimate-54887-b1-00059260.ps Reading /data/spectro/54887/sdR-b2-00059260.fit Reading /data/spectro/54887/sdR-b2-00059261.fit COLLIMATE: Min offset = -0.48 pix COLLIMATE: Max offset = 0.08 pix COLLIMATE: RMS across CCD = 0.14 pix COLLIMATE: Mean offset = -0.18 pix COLLIMATE: Camera b2 appears to be OUT-OF-FOCUS (|mean| > 0.15 pix) COLLIMATE: Predict blue camera ring movement of 6.5 degrees for spe COLLIMATE: (if red is already in focus) Log file = Collimate-54887-b2-00059260.log PostScript file = Collimate-54887-b2-00059260.ps Reading /data/spectro/54887/sdR-r1-00059260.fit Reading /data/spectro/54887/sdR-r1-00059261.fit COLLIMATE: Min offset = -0.34 pix COLLIMATE: Max offset = 0.77 pix COLLIMATE: RMS across CCD = 0.29 pix COLLIMATE: Mean offset = 0.10 pix COLLIMATE: Camera r1 appears to be IN-FOCUS (|mean| < 0.15 pix) COLLIMATE: Predict (red) piston movement of -923 steps for spectro-1 COLLIMATE: Issue SOP command: "sp1; mechPiston -923" Log file = Collimate-54887-r1-00059260.log PostScript file = Collimate-54887-r1-00059260.ps Reading /data/spectro/54887/sdR-r2-00059260.fit Reading /data/spectro/54887/sdR-r2-00059261.fit COLLIMATE: Min offset = -0.57 pix COLLIMATE: Max offset = 0.53 pix COLLIMATE: RMS across CCD = 0.30 pix COLLIMATE: Mean offset = 0.14 pix COLLIMATE: Camera r2 appears to be IN-FOCUS (|mean| < 0.15 pix) COLLIMATE: Predict (red) piston movement of -1319 steps for spectro-2 COLLIMATE: Issue SOP command: "sp2; mechPiston -1319" Log file = Collimate-54887-r2-00059260.log PostScript file = Collimate-54887-r2-00059260.ps % Program caused arithmetic error: Floating illegal operand No adjustments made. Spectro collimation set for ~10.5C.