AGASC ID 529662944

Info

Last Obs. 2023:225:12:10
magcatalog 6.95 ± 0.04
mag3 arcsec 6.96 ± 0.01
mag5 arcsec 6.96 ± 0.01
Nobs 14 (1 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
4383 2003:112:15:10:05.542 3 69.9 214.9 19499 19433 28 100.0% 99.9% 99.9% 99.9% 0.01 6.96 0.00 --
4382 2003:113:19:50:42.172 3 69.9 214.9 83799 83743 43 100.0% 100.0% 100.0% 100.0% 0.01 6.95 0.00 --
25210 2022:119:02:18:14.459 5 69.0 209.4 4978 4902 2 99.9% 100.0% 100.0% 99.9% 0.02 6.98 0.00 --
26401 2022:119:11:46:59.434 5 65.9 210.5 5414 5328 6 100.0% 100.0% 100.0% 100.0% 0.02 6.98 0.00 --
26402 2022:119:23:16:06.277 5 62.8 211.7 9741 9654 3 100.0% 100.0% 100.0% 100.0% 0.02 6.97 0.00 --
26403 2022:120:16:22:39.151 5 51.6 215.5 5023 4950 2 100.0% 100.0% 100.0% 100.0% 0.01 6.98 0.00 --
25786 2022:318:07:48:47.447 6 5.7 -199.5 3870 3804 0 100.0% 100.0% 100.0% 100.0% 0.01 6.98 0.00 --
27555 2022:324:07:57:41.628 6 31.4 -193.9 3760 3687 2 100.0% 100.0% 100.0% 100.0% 0.01 6.97 0.00 --
25789 2022:350:17:38:47.455 6 142.3 -136.2 7907 7835 5 100.0% 100.0% 100.0% 100.0% 0.02 6.98 0.00 --
25788 2022:364:22:51:45.707 5 177.3 -91.1 7424 7359 2 100.0% 100.0% 100.0% 100.0% 0.02 6.98 0.00 --
25790 2023:097:20:16:38.353 5 124.6 176.3 3880 3806 1 100.0% 100.0% 100.0% 100.0% 0.01 6.95 0.00 --
27792 2023:098:06:31:14.974 5 114.8 183.6 3760 3692 2 100.0% 100.0% 100.0% 100.0% 0.01 6.94 0.00 --
25787 2023:222:04:50:48.855 5 -218.1 19.5 3981 3947 3 100.0% 100.0% 100.0% 100.0% 0.01 6.98 0.00 --
28369 2023:225:12:10:12.274 5 -217.7 11.9 0 0 -1 0.0% 0.0% 0.0% 0.0% inf inf inf Error: No level 0 data.

  • 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.