AGASC ID 818808256

Info

Last Obs. 2022:269:19:50
magcatalog 8.82 ± 0.07
mag3 arcsec 8.82 ± 0.02
mag5 arcsec 8.82 ± 0.02
Nobs 33 (0 bad)
fok 99.2%
f3 arcsec 100.0%
f5 arcsec 100.0%

Timeline

Observation Info

OBSID Time Slot Row Col N Nmag est ok Nout fmag est ok fdr3 fdbox5 fmag est ok 3 ⟨ δ mag100s ⟨ mag ⟩ σmag Comments
4650 2004:300:04:00:35.323 4 -235.2 415.8 23706 23223 20 99.9% 100.0% 100.0% 99.9% 0.02 8.79 0.00 --
6714 2006:117:23:01:11.739 4 260.3 -379.7 78768 78225 80 99.9% 100.0% 100.0% 99.9% 0.04 8.81 0.00 --
6716 2006:125:19:11:49.510 4 264.2 -377.3 78570 78439 110 99.8% 100.0% 100.0% 99.8% 0.02 8.82 0.00 --
6717 2006:194:18:48:21.508 4 -199.5 432.9 52830 52670 75 99.7% 100.0% 100.0% 99.7% 0.02 8.81 0.00 --
7366 2006:197:05:09:43.157 4 -199.5 432.9 25455 25438 37 99.9% 100.0% 100.0% 99.9% 0.02 8.81 0.00 --
6718 2006:202:14:30:34.368 4 -204.0 430.7 53326 53133 82 99.6% 100.0% 100.0% 99.6% 0.02 8.81 0.00 --
6715 2006:215:16:26:22.866 6 -210.4 427.5 79277 78723 115 99.9% 100.0% 100.0% 99.9% 0.03 8.81 0.00 --
54879 2012:034:05:16:03.209 1 -126.5 -157.4 600 597 4 99.5% 100.0% 100.0% 99.5% 0.02 8.77 0.00 --
16004 2014:133:17:30:07.787 3 260.1 -368.5 51075 50430 37 98.7% 100.0% 100.0% 98.7% 0.04 8.83 0.00 --
16614 2014:136:08:16:00.868 3 260.1 -368.5 18285 18110 16 99.0% 100.0% 100.0% 99.0% 0.02 8.83 0.00 --
17901 2016:202:18:28:27.968 7 -219.7 427.9 72967 72620 70 99.5% 100.0% 100.0% 99.5% 0.06 8.80 0.00 --
50834 2016:204:12:37:23.529 3 -219.7 427.9 52 52 0 100.0% 100.0% 100.0% 100.0% 0.02 8.79 0.00 --
21290 2019:184:12:40:35.453 3 449.1 -100.6 1763 1738 5 98.6% 99.8% 100.0% 98.4% 0.04 8.83 0.00 --
23535 2021:137:23:28:09.110 4 237.3 -380.3 7402 7297 11 98.6% 100.0% 100.0% 98.6% 0.03 8.82 0.00 --
25044 2021:138:12:48:15.736 4 237.5 -380.3 10398 10135 8 97.5% 100.0% 100.0% 97.5% 0.04 8.82 0.00 --
24254 2021:241:08:13:53.860 3 -207.8 432.9 12444 12387 14 99.5% 100.0% 100.0% 99.5% 0.05 8.82 0.00 --
24248 2022:032:07:42:54.456 4 174.1 -414.9 8361 8271 6 98.9% 100.0% 100.0% 98.9% 0.07 8.83 0.00 --
26293 2022:032:19:04:52.243 4 169.9 -416.1 6408 6362 6 99.3% 100.0% 100.0% 99.3% 0.05 8.81 0.00 --
24244 2022:053:05:27:27.012 4 135.4 -428.7 7395 7265 5 98.2% 100.0% 100.0% 98.2% 0.04 8.82 0.00 --
26335 2022:057:13:58:41.649 4 134.8 -428.5 7387 7315 4 99.0% 100.0% 100.0% 99.0% 0.04 8.82 0.00 --
24252 2022:087:06:45:34.085 5 221.4 -391.6 12318 11780 23 96.4% 99.8% 99.9% 96.2% 0.05 8.84 0.00 --
24247 2022:101:12:28:02.197 5 224.8 -389.4 8086 7983 4 98.7% 100.0% 100.0% 98.7% 0.06 8.84 0.00 --
26389 2022:102:17:41:33.849 5 222.6 -388.4 5074 5039 11 99.3% 100.0% 100.0% 99.3% 0.04 8.85 0.00 --
24250 2022:127:18:51:48.210 5 236.3 -384.4 14647 14297 5 97.6% 100.0% 100.0% 97.6% 0.07 8.84 0.00 --
24243 2022:141:02:38:53.110 4 217.8 -393.4 12537 12207 21 97.4% 100.0% 100.0% 97.4% 0.05 8.83 0.00 --
24245 2022:160:07:00:29.439 4 414.7 -175.0 7823 7589 6 97.0% 100.0% 100.0% 97.0% 0.04 8.85 0.00 --
26385 2022:161:04:38:20.823 4 416.1 -175.6 7797 7629 10 97.8% 100.0% 100.0% 97.8% 0.05 8.83 0.00 --
24249 2022:180:18:47:55.462 4 -189.4 437.9 12372 11811 15 95.5% 100.0% 100.0% 95.4% 0.05 8.82 0.00 --
24242 2022:184:15:34:42.544 4 -193.5 440.0 12997 12942 17 99.6% 100.0% 100.0% 99.6% 0.05 8.84 0.00 --
24253 2022:196:13:53:06.942 4 -308.6 366.9 11882 11644 18 98.0% 100.0% 100.0% 98.0% 0.03 8.83 0.00 --
24246 2022:197:11:09:03.183 4 -307.2 366.3 13731 13502 11 98.3% 100.0% 100.0% 98.3% 0.05 8.82 0.00 --
45338 2022:225:11:40:06.000 3 383.1 67.8 3217 3174 2 98.7% 100.0% 100.0% 98.7% 0.03 8.83 0.00 --
24251 2022:269:19:50:34.682 4 -248.3 409.0 14883 14607 15 98.2% 100.0% 100.0% 98.1% 0.05 8.81 0.00 --

  • sample: One sample of ACA image telemetry. This could be a real image readout or it could be a null 4x4 image when the ACA is not tracking. Be aware that the sample period is faster for null 4x4 images (1.025 sec) than for typical 6x6 or 8x8 tracked images (2.05 or 4.1 sec respectively).
  • Kalman samples: Subset of samples when ACA could be tracking stars (AOPCADMD == NPNT & AOACASEQ == KALM)
  • dr3: Subset of tracked Kalman samples with radial centroid residual < 3 arcsec. This corresponds to "high quality" readouts. This effectively includes the track subset (AOACFCT == TRAK) because readouts with no TRAK are assigned an infinite centroid residual.
  • dbox5: Subset of tracked Kalman samples with centroid residual within a 5 arcsec box. This corresponds to spatial filter used by the OBC for inclusion in Kalman filter. This effectively includes the track subset (AOACFCT == TRAK) because readouts with no TRAK are assigned an infinite centroid residual.
  • track: Subset of Kalman samples where the image is being tracked (AOACFCT == TRAK)
  • sat_pix: Subset of Kalman samples with saturated pixel flag OK (AOACISP == OK)
  • ion_rad: Subset of Kalman samples with ionizing radiation flag OK (AOACIIR == OK)
  • mag_est_ok: Subset of Kalman samples that have a magnitude estimate (track & ion_rad)
  • n_total: Total number of sample regardless of OBC PCAD status
  • n: Synonym for n_total
  • n_kalman: Number of Kalman samples
  • n_dr3: Number of dr3 samples.
  • n_dbox5: Number of dbox5 samples.
  • n_track: Number of track samples.
  • n_ok_3: Number of (track & sat_pix & ion_rad & dr3) samples
  • n_ok_5: Number of (track & sat_pix & ion_rad & dbox5) samples
  • n_mag_est_ok: Number of (track & ion_rad) samples
  • n_mag_est_ok_3: Number of (track & ion_rad & dr3) samples
  • n_mag_est_ok_5: Number of (track & ion_rad & dbox5) samples
  • f_dr3: Fraction of mag-est-ok samples with centroid residual < 3 arcsec((mag_est_ok & n_dr3)/n_mag_est_ok)
  • f_dbox5: Fraction of mag-est-ok samples with centroid within 5 arcsec box((mag_est_ok & n_dbox5)/n_mag_est_ok)
  • f_mag_est_ok: n_mag_est_ok_3/n_kalman. This is a measure of the fraction of time during an observation that a magnitude estimate is available.
  • f_mag_est_ok_3: n_mag_est_ok_3/n_kalman.
  • f_mag_est_ok_5: n_mag_est_ok_5/n_kalman.
  • f_ok: n_ok_5 / n_kalman. Same as f_ok_5
  • f_ok_3: n_ok_3 / n_kalman. This is a measure of the fraction of time during an observation that the Kalman filter is getting high-quality star centroids.
  • f_ok_5: n_ok_5 / n_kalman. This is a measure of the fraction of time during an observation that the Kalman filter is getting any star centroid at all. This includes measurements out to 5 arcsec box halfwidth, so potentially 7 arcsec radial offset.