AGASC ID 1005064168

Info

Last Obs. 2022:231:12:21
magcatalog 6.97 ± 0.05
mag3 arcsec 6.97 ± 0.01
mag5 arcsec 6.97 ± 0.01
Nobs 16 (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
4612 2005:115:07:17:40.835 3 275.7 -437.2 19594 19589 12 100.0% 100.0% 100.0% 100.0% 0.01 6.98 0.00 --
12109 2011:035:19:49:13.366 6 472.1 249.8 16165 16165 9 100.0% 100.0% 100.0% 100.0% 0.01 6.97 0.00 --
16254 2014:202:12:18:11.729 3 -387.4 -366.4 16174 16173 5 100.0% 100.0% 100.0% 100.0% 0.01 6.99 0.00 --
19610 2018:177:12:57:46.069 6 -191.5 -491.0 8343 8342 2 100.0% 100.0% 100.0% 100.0% 0.02 6.96 0.00 --
21110 2018:179:02:46:31.665 6 -192.7 -490.4 8373 8371 2 100.0% 100.0% 100.0% 100.0% 0.01 6.96 0.00 --
20741 2019:033:06:43:04.516 3 459.6 273.6 19600 19598 8 100.0% 100.0% 100.0% 100.0% 0.01 6.96 0.00 --
19611 2019:214:11:23:36.359 3 -401.5 -352.6 16132 16069 6 99.6% 100.0% 100.0% 99.6% 0.01 6.97 0.00 --
22960 2021:084:03:09:14.113 3 461.0 -243.7 14706 14703 8 100.0% 100.0% 100.0% 100.0% 0.02 6.97 0.00 --
22961 2021:092:03:50:10.045 3 423.0 -307.5 12264 12263 3 100.0% 100.0% 100.0% 100.0% 0.02 6.97 0.00 --
24774 2021:105:04:25:48.502 3 419.2 -308.9 13291 13288 7 100.0% 100.0% 100.0% 100.0% 0.02 6.97 0.00 --
22438 2021:107:23:48:35.296 3 420.0 -309.1 12282 12281 4 100.0% 100.0% 100.0% 100.0% 0.02 6.96 0.00 --
22959 2021:192:11:24:11.222 3 -315.4 -425.9 14706 14704 11 100.0% 100.0% 100.0% 100.0% 0.01 6.98 0.00 --
22676 2022:208:05:23:08.268 3 -375.5 -378.9 12756 12752 5 100.0% 100.0% 100.0% 100.0% 0.02 6.99 0.00 --
26477 2022:208:22:07:07.042 3 -360.2 -392.2 12757 12749 6 99.9% 100.0% 100.0% 99.9% 0.02 6.99 0.00 --
45321 2022:231:10:25:40.054 0 47.9 411.5 560 560 0 100.0% 100.0% 100.0% 100.0% 0.02 7.00 0.00 --
45319 2022:231:12:21:36.000 0 48.3 411.5 750 749 0 100.0% 100.0% 100.0% 100.0% 0.01 7.00 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.