AGASC ID 1090924096

Info

Last Obs. 2023:106:13:03
magcatalog 7.98 ± 0.17
mag3 arcsec 8.05 ± 0.01
mag5 arcsec 8.05 ± 0.01
Nobs 23 (0 bad)
fok 99.8%
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 mag ⟩ 100s ⟨ mag ⟩ σmag Comments
3514 2003:067:08:55:25.274 6 119.7 262.9 2560 2559 2 100.0% 100.0% 100.0% 100.0% 0.02 8.04 0.00 --
3516 2003:194:11:21:42.942 5 174.4 -213.8 2764 2763 3 100.0% 100.0% 100.0% 100.0% 0.01 8.04 0.00 --
4596 2004:027:16:53:18.402 6 26.6 262.6 2520 2520 1 100.0% 100.0% 100.0% 100.0% 0.01 8.03 0.00 --
4597 2004:117:17:37:40.153 4 243.9 201.2 2387 2386 0 100.0% 100.0% 100.0% 100.0% 0.01 8.03 0.00 --
4598 2004:216:20:17:43.294 4 108.9 -232.3 2529 2528 2 100.0% 100.0% 100.0% 100.0% 0.01 8.04 0.00 --
4599 2004:293:12:38:27.061 5 -64.7 -193.0 2511 2510 2 100.0% 100.0% 100.0% 100.0% 0.01 8.03 0.00 --
5592 2005:024:13:32:42.939 4 19.6 261.2 3444 2954 4 100.0% 100.0% 100.0% 100.0% 0.01 8.04 0.00 --
5593 2005:111:15:14:49.954 4 227.4 214.8 2531 2530 2 100.0% 100.0% 100.0% 100.0% 0.01 8.04 0.00 --
5594 2005:191:03:12:32.696 5 184.6 -209.2 2530 2530 0 100.0% 100.0% 100.0% 100.0% 0.01 8.05 0.00 --
5595 2005:282:17:08:34.219 4 -37.6 -208.5 2286 2286 0 100.0% 100.0% 100.0% 100.0% 0.01 8.03 0.00 --
6684 2006:174:00:28:03.428 5 105.1 -206.1 29359 29342 30 99.9% 100.0% 100.0% 99.9% 0.03 8.05 0.00 --
7619 2007:183:20:27:49.513 5 132.2 -191.5 38139 38119 38 99.9% 100.0% 100.0% 99.9% 0.02 8.05 0.00 --
11823 2010:152:05:00:06.000 5 244.8 -22.7 30938 30911 23 99.9% 100.0% 100.0% 99.9% 0.02 8.05 0.00 --
56227 2010:152:23:18:37.873 4 244.8 -22.7 61 61 0 100.0% 100.0% 100.0% 100.0% 0.01 8.05 0.00 --
56218 2010:154:02:30:39.895 4 69.7 -22.2 48 48 0 100.0% 100.0% 100.0% 100.0% 0.01 8.07 0.00 --
12224 2010:178:03:00:23.587 4 148.1 -187.6 9014 9006 16 99.9% 100.0% 100.0% 99.9% 0.01 8.06 0.00 --
20747 2019:159:10:02:30.064 3 226.9 -66.2 24475 24440 21 99.9% 100.0% 100.0% 99.9% 0.02 8.05 0.00 --
21692 2019:162:21:42:02.522 4 218.0 -93.7 25926 25881 14 99.8% 100.0% 100.0% 99.8% 0.03 8.05 0.00 --
46855 2020:296:07:17:58.270 4 247.6 307.1 2475 2461 1 99.4% 100.0% 100.0% 99.4% 0.02 8.02 0.00 --
46848 2020:298:23:00:09.203 4 259.6 297.0 2395 2389 2 99.7% 100.0% 100.0% 99.7% 0.02 8.02 0.00 --
24712 2021:145:17:48:53.836 3 239.9 42.8 15207 15198 16 99.9% 100.0% 100.0% 99.9% 0.03 8.04 0.00 --
26017 2022:133:03:18:44.728 4 226.6 99.8 13947 13824 12 99.1% 100.0% 100.0% 99.1% 0.03 8.05 0.00 --
27359 2023:106:13:03:15.581 5 116.6 227.9 7426 7356 4 99.1% 100.0% 100.0% 99.1% 0.05 8.02 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.