AGASC ID 263192808

Info

Last Obs. 2025:011:06:44
magcatalog 9.60 ± 0.02
mag3 arcsec 9.58 ± 0.03
mag5 arcsec 9.58 ± 0.03
Nobs 22 (0 bad)
fok 98.3%
f3 arcsec 99.8%
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
3046 2002:016:05:54:44.574 4 -31.6 -470.8 75120 74992 66 99.9% 100.0% 100.0% 99.9% 0.04 9.58 0.00 --
5598 2005:105:05:08:09.873 7 479.4 23.7 57284 57003 67 99.6% 100.0% 100.0% 99.6% 0.04 9.58 0.00 --
6268 2005:108:00:21:03.889 7 479.4 23.7 12349 12225 22 99.4% 100.0% 100.0% 99.4% 0.04 9.58 0.00 --
16369 2013:243:23:46:33.734 4 -269.7 428.3 14741 14094 15 96.2% 100.0% 100.0% 96.2% 0.07 9.58 0.00 --
16368 2013:245:10:17:01.786 4 -269.7 428.3 33357 32129 32 96.6% 100.0% 100.0% 96.5% 0.07 9.58 0.00 --
16314 2013:253:08:03:23.491 4 -297.6 409.3 60448 57614 55 96.1% 100.0% 100.0% 96.1% 0.07 9.58 0.00 --
15659 2014:034:18:00:04.732 7 52.1 -468.1 2591 2502 3 99.9% 100.0% 100.0% 99.9% 0.03 9.64 0.00 --
15660 2014:089:22:30:07.237 3 417.4 -189.1 2586 2522 4 99.6% 100.0% 100.0% 99.6% 0.04 9.65 0.00 --
15661 2014:126:19:02:17.161 4 386.7 273.0 2587 2512 0 99.8% 100.0% 100.0% 99.8% 0.04 9.59 0.00 --
15662 2014:174:16:22:19.304 7 115.2 480.3 2582 2490 1 98.6% 100.0% 100.0% 98.6% 0.04 9.61 0.00 --
21846 2019:125:14:44:56.615 3 387.1 295.7 14782 14590 31 99.2% 100.0% 100.0% 99.2% 0.07 9.59 0.00 --
22207 2019:169:13:03:47.797 3 287.2 399.6 25028 24653 27 98.8% 99.9% 100.0% 98.7% 0.11 9.59 0.00 --
21694 2019:221:02:49:08.040 3 -101.8 491.6 30073 29685 51 99.0% 99.9% 100.0% 98.8% 0.12 9.55 0.00 --
22681 2019:222:22:25:59.067 3 -102.2 491.8 13656 13115 29 96.6% 100.0% 100.0% 96.6% 0.08 9.56 0.00 --
25802 2021:364:01:39:31.071 3 -148.6 -455.4 10878 10748 15 99.4% 99.8% 100.0% 99.2% 0.09 9.61 0.00 --
26256 2021:364:15:01:58.189 3 -147.9 -455.7 10883 10625 20 98.3% 99.7% 100.0% 98.0% 0.07 9.59 0.00 --
25803 2021:365:05:20:53.811 3 -179.1 -445.4 13799 13435 14 97.8% 96.9% 100.0% 94.8% 0.22 9.55 0.00 --
25392 2022:030:18:20:09.269 6 -30.2 -475.5 12341 11923 15 97.1% 100.0% 100.0% 97.1% 0.11 9.59 0.00 --
25800 2022:031:08:20:36.245 6 -30.1 -475.6 14853 14306 17 96.7% 100.0% 100.0% 96.6% 0.11 9.60 0.00 --
25801 2022:031:22:05:28.461 7 -30.1 -475.6 9958 9590 10 97.1% 100.0% 100.0% 97.0% 0.12 9.58 0.00 --
30524 2025:008:16:33:52.986 7 -65.5 -472.5 3779 3721 0 99.9% 92.2% 100.0% 92.1% 0.22 9.63 0.00 --
30554 2025:011:06:44:07.110 7 -54.0 -473.1 2648 2597 2 99.9% 99.7% 100.0% 99.5% 0.08 9.67 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.