AGASC ID 966662752

Info

Last Obs. 2022:158:05:17
magcatalog 8.29 ± 0.05
mag3 arcsec 8.21 ± 0.01
mag5 arcsec 8.21 ± 0.01
Nobs 19 (0 bad)
fok 99.7%
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
8707 2008:139:07:50:15.370 3 163.8 381.3 1066 1064 1 99.8% 100.0% 100.0% 99.8% 0.01 8.20 0.00 --
8697 2008:139:09:13:55.370 6 30.7 483.0 1067 1066 1 100.0% 100.0% 100.0% 100.0% 0.02 8.22 0.00 --
10000 2009:032:16:14:10.166 7 91.4 243.4 1045 1045 0 100.0% 100.0% 100.0% 100.0% 0.01 8.20 0.00 --
9999 2009:032:17:25:45.333 4 228.8 342.6 1066 1066 1 100.0% 100.0% 100.0% 100.0% 0.01 8.20 0.00 --
9998 2009:032:18:07:35.333 5 368.2 442.1 1068 1068 0 100.0% 100.0% 100.0% 100.0% 0.01 8.21 0.00 --
10024 2009:032:19:31:15.333 4 108.0 76.9 1070 1068 2 99.9% 100.0% 100.0% 99.9% 0.01 8.20 0.00 --
10023 2009:032:20:13:10.663 4 245.0 175.2 1064 1064 0 100.0% 100.0% 100.0% 100.0% 0.01 8.20 0.00 --
10022 2009:032:20:55:00.663 5 383.3 273.5 1068 1065 3 99.7% 100.0% 100.0% 99.7% 0.01 8.20 0.00 --
13584 2011:304:01:38:03.875 5 22.0 42.9 1311 1311 0 100.0% 100.0% 100.0% 100.0% 0.01 8.22 0.00 --
13587 2011:304:02:59:40.131 5 156.6 -55.8 1155 1155 2 100.0% 100.0% 100.0% 100.0% 0.01 8.23 0.00 --
13583 2011:304:14:07:09.830 3 117.7 -388.9 1151 1151 1 100.0% 100.0% 100.0% 100.0% 0.01 8.21 0.00 --
13585 2011:304:14:51:59.830 3 137.2 -221.9 1155 1155 1 100.0% 100.0% 100.0% 100.0% 0.01 8.21 0.00 --
13586 2011:304:15:36:49.830 6 252.2 -490.3 1150 1150 0 100.0% 100.0% 100.0% 100.0% 0.01 8.21 0.00 --
13588 2011:304:16:21:39.830 3 271.3 -322.7 1156 1156 0 100.0% 100.0% 100.0% 100.0% 0.02 8.21 0.00 --
49723 2017:283:05:28:57.282 2 -93.1 -237.6 765 761 0 99.5% 100.0% 100.0% 99.5% 0.02 8.18 0.00 --
21227 2019:175:17:00:37.392 7 345.9 -267.4 14724 14657 18 99.5% 100.0% 100.0% 99.5% 0.02 8.21 0.00 --
23989 2021:256:15:12:30.598 7 -42.6 -332.9 2638 2615 4 99.1% 100.0% 100.0% 99.1% 0.03 8.22 0.00 --
23990 2021:256:17:19:31.610 4 7.2 -146.1 2670 2652 1 99.3% 100.0% 100.0% 99.3% 0.02 8.25 0.00 --
23988 2022:158:05:17:23.231 5 366.9 403.5 2671 2667 1 99.9% 100.0% 100.0% 99.9% 0.02 8.22 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.