AGASC ID 614603000

Info

Last Obs. 2022:287:02:48
magcatalog 8.72 ± 0.11
mag3 arcsec 8.76 ± 0.02
mag5 arcsec 8.76 ± 0.02
Nobs 14 (0 bad)
fok 98.9%
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
12868 2010:331:10:51:28.396 4 278.4 -19.8 12279 12273 11 100.0% 100.0% 100.0% 99.9% 0.02 8.79 0.00 --
54286 2012:274:15:34:40.436 6 157.8 -136.2 1096 1095 2 99.9% 100.0% 100.0% 99.9% 0.07 8.76 0.00 --
18789 2016:056:01:51:33.191 4 215.4 -165.7 14668 14625 10 99.7% 100.0% 100.0% 99.7% 0.03 8.78 0.00 --
51226 2016:056:10:56:06.827 2 215.4 -165.7 45 45 0 100.0% 100.0% 100.0% 100.0% 0.01 8.79 0.00 --
19560 2017:048:01:14:01.803 4 241.9 -131.2 24966 24907 31 99.8% 100.0% 100.0% 99.8% 0.05 8.77 0.00 --
20366 2018:008:07:49:33.280 3 261.6 -89.4 9824 9532 11 97.0% 100.0% 100.0% 97.0% 0.03 8.77 0.00 --
20367 2018:062:01:32:36.342 4 230.0 -149.9 9343 9253 20 99.0% 100.0% 100.0% 99.0% 0.03 8.75 0.00 --
20368 2018:163:02:39:49.564 3 -287.7 79.3 9824 9774 11 99.5% 100.0% 100.0% 99.5% 0.03 8.73 0.00 --
20369 2018:252:21:25:06.518 3 -281.4 100.1 10334 10025 4 97.0% 100.0% 100.0% 97.0% 0.05 8.75 0.00 --
20370 2018:312:11:12:07.959 3 276.4 59.6 9843 9765 15 99.2% 100.0% 100.0% 99.2% 0.04 8.74 0.00 --
21432 2019:037:07:32:41.722 5 245.5 -119.6 12267 11891 29 96.9% 100.0% 100.0% 96.9% 0.05 8.77 0.00 --
22082 2019:038:09:44:02.057 5 246.1 -120.0 9832 9742 15 99.1% 100.0% 100.0% 99.1% 0.03 8.77 0.00 --
21433 2019:282:04:37:29.084 4 -136.9 271.4 22042 21803 30 98.9% 100.0% 100.0% 98.9% 0.04 8.74 0.00 --
45172 2022:287:02:48:19.537 4 -60.2 -315.4 265 259 2 97.7% 100.0% 100.0% 97.7% 0.03 8.76 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.