AGASC ID 615521424

Info

Last Obs. 2023:294:02:29
magcatalog 10.03 ± 0.10
mag3 arcsec 9.95 ± 0.04
mag5 arcsec 9.95 ± 0.04
Nobs 21 (0 bad)
fok 97.5%
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
12882 2010:270:04:15:27.884 6 426.1 228.7 41882 41759 59 99.8% 100.0% 100.0% 99.8% 0.06 9.97 0.00 --
17304 2015:186:15:55:18.442 6 369.0 264.7 22638 22336 26 99.0% 100.0% 100.0% 98.9% 0.07 9.96 0.00 --
17305 2015:187:20:07:58.203 5 360.0 324.6 24215 23386 27 96.9% 100.0% 100.0% 96.9% 0.07 9.96 0.00 --
17306 2015:189:06:59:25.138 6 346.3 380.0 25775 24870 32 96.7% 100.0% 100.0% 96.7% 0.07 9.95 0.00 --
17310 2015:239:18:36:08.261 6 379.3 294.4 23600 22993 31 97.7% 100.0% 100.0% 97.6% 0.10 9.95 0.00 --
17311 2015:248:23:25:54.324 5 394.0 319.8 24475 23732 28 97.2% 100.0% 100.0% 97.2% 0.09 9.97 0.00 --
51647 2015:249:13:38:15.537 5 394.0 319.8 198 57 0 93.4% 100.0% 100.0% 93.4% 0.03 9.97 0.00 --
17296 2015:250:03:07:11.429 6 296.4 288.7 24999 24001 26 96.5% 100.0% 100.0% 96.4% 0.09 9.95 0.00 --
17297 2015:251:03:21:48.378 6 358.7 47.7 24541 24415 27 99.8% 100.0% 100.0% 99.8% 0.08 9.96 0.00 --
17298 2015:252:22:45:51.417 6 356.8 107.1 23470 21382 14 91.3% 99.9% 100.0% 91.3% 0.09 9.93 0.00 --
17299 2015:253:16:31:01.311 6 354.6 172.9 24542 23780 24 97.2% 100.0% 100.0% 97.2% 0.09 9.89 0.00 --
17300 2015:256:14:07:18.266 5 339.0 267.5 24584 23675 8 96.5% 100.0% 100.0% 96.5% 0.14 9.90 0.00 --
17301 2015:258:01:41:09.914 7 361.3 287.8 25179 24328 17 97.1% 100.0% 100.0% 97.1% 0.08 9.93 0.00 --
51620 2015:262:18:59:53.922 4 438.0 76.3 152 26 0 92.9% 100.0% 100.0% 92.9% 0.02 9.94 0.00 --
17289 2015:268:14:39:00.677 6 312.1 106.9 23140 22690 35 98.3% 100.0% 100.0% 98.3% 0.10 9.99 0.00 --
17295 2015:270:03:45:38.286 7 333.9 172.3 22373 21350 22 95.7% 100.0% 100.0% 95.6% 0.07 9.98 0.00 --
51609 2015:270:17:06:51.253 5 333.9 172.3 157 26 0 100.0% 100.0% 100.0% 100.0% 0.01 9.99 0.00 --
51587 2015:275:23:05:31.925 4 302.6 11.3 224 64 0 80.0% 100.0% 100.0% 80.0% 0.02 9.99 0.00 --
17291 2015:277:11:15:51.528 6 369.7 169.2 24573 24367 26 99.6% 100.0% 100.0% 99.6% 0.11 9.97 0.00 --
28985 2023:293:04:55:41.276 7 465.9 -255.2 5219 5159 16 99.8% 88.2% 99.5% 88.0% 0.20 10.09 0.00 --
28986 2023:294:02:29:33.100 7 454.2 -275.8 3748 3691 0 99.9% 99.7% 100.0% 99.6% 0.15 10.12 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.