AGASC ID 4860216

Info

Last Obs. 2024:198:06:13
magcatalog 6.09 ± 0.10
mag3 arcsec 6.20 ± 0.01
mag5 arcsec 6.20 ± 0.01
Nobs 22 (0 bad)
fok 100.0%
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
54286 2012:274:15:34:40.436 4 102.7 -369.9 1135 1095 0 100.0% 100.0% 100.0% 100.0% 0.02 6.20 0.00 --
51226 2016:056:10:56:06.827 1 221.3 73.5 94 45 0 100.0% 100.0% 100.0% 100.0% 0.00 6.19 0.00 --
21432 2019:037:07:32:41.722 4 205.6 116.2 12342 12262 11 100.0% 100.0% 100.0% 100.0% 0.01 6.18 0.00 --
22082 2019:038:09:44:02.057 4 206.4 115.9 9904 9833 4 100.0% 100.0% 100.0% 100.0% 0.01 6.18 0.00 --
21433 2019:282:04:37:29.084 3 -245.0 57.7 22090 22041 6 100.0% 100.0% 100.0% 100.0% 0.01 6.20 0.00 --
27485 2022:305:02:19:24.527 3 455.7 -393.6 7584 7499 2 100.0% 100.0% 100.0% 100.0% 0.01 6.19 0.00 --
27534 2022:306:14:41:25.180 3 489.8 -353.2 6782 6693 0 100.0% 100.0% 100.0% 100.0% 0.02 6.19 0.00 --
25804 2022:307:20:15:33.514 3 344.8 -490.3 5016 4940 0 100.0% 100.0% 100.0% 100.0% 0.01 6.19 0.00 --
25807 2022:312:08:15:11.129 3 360.5 -477.5 2660 2596 1 100.0% 100.0% 100.0% 100.0% 0.02 6.19 0.00 --
26736 2023:311:05:44:04.262 4 62.4 239.3 5207 5152 0 100.0% 100.0% 100.0% 100.0% 0.02 6.20 0.00 --
29043 2023:311:19:07:56.172 4 82.0 232.2 4493 4453 0 100.0% 100.0% 100.0% 100.0% 0.02 6.20 0.00 --
29044 2023:312:07:55:41.372 4 129.0 206.2 3149 3102 1 100.0% 100.0% 100.0% 100.0% 0.02 6.20 0.00 --
29045 2023:324:10:14:43.086 4 94.3 226.7 5207 5149 1 100.0% 100.0% 100.0% 100.0% 0.02 6.20 0.00 --
29046 2023:324:23:18:14.626 4 95.7 226.0 2524 2466 0 100.0% 100.0% 100.0% 100.0% 0.01 6.20 0.00 --
29084 2023:325:14:17:45.004 4 141.4 196.6 4111 4057 0 100.0% 100.0% 100.0% 100.0% 0.02 6.20 0.00 --
27370 2024:059:15:54:37.825 5 215.2 92.4 2943 2881 0 100.0% 100.0% 100.0% 100.0% 0.02 6.21 0.00 --
29295 2024:059:23:22:12.570 5 213.7 92.9 2848 2783 0 100.0% 100.0% 100.0% 100.0% 0.02 6.21 0.00 --
29296 2024:060:06:43:02.385 5 212.2 93.2 2775 2713 1 100.0% 100.0% 100.0% 100.0% 0.01 6.21 0.00 --
29297 2024:060:13:58:51.749 5 211.1 93.4 2776 2711 0 100.0% 100.0% 100.0% 100.0% 0.02 6.21 0.00 --
29298 2024:060:23:12:02.856 5 209.9 93.5 2526 2470 0 100.0% 100.0% 100.0% 100.0% 0.01 6.21 0.00 --
26737 2024:194:13:03:18.123 4 -224.2 -98.8 12287 12224 0 100.0% 100.0% 100.0% 100.0% 0.02 6.22 0.00 --
28926 2024:198:06:13:23.568 4 -207.9 -124.4 12318 12264 2 100.0% 100.0% 100.0% 100.0% 0.02 6.22 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.