AGASC ID 966918336

Info

Last Obs. 2022:188:09:31
magcatalog 8.23 ± 0.09
mag3 arcsec 8.10 ± 0.01
mag5 arcsec 8.10 ± 0.01
Nobs 20 (0 bad)
fok 99.8%
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
4551 2004:089:22:41:07.810 3 -247.3 14.8 22056 22050 10 100.0% 100.0% 100.0% 100.0% 0.02 8.10 0.00 --
4561 2004:178:08:01:26.378 5 -130.5 -196.0 22042 22032 17 100.0% 100.0% 100.0% 100.0% 0.01 8.09 0.00 --
8756 2008:134:08:03:53.074 4 406.5 -380.6 1071 1071 1 100.0% 100.0% 100.0% 100.0% 0.01 8.11 0.00 --
8757 2008:134:08:45:43.074 3 248.6 -440.1 1062 1061 2 99.9% 100.0% 100.0% 99.9% 0.01 8.11 0.00 --
13565 2011:305:09:19:29.101 3 -341.6 -46.5 1154 1153 0 100.0% 100.0% 100.0% 100.0% 0.01 8.10 0.00 --
13569 2011:305:15:18:09.101 3 278.4 221.5 1156 1155 1 100.0% 100.0% 100.0% 100.0% 0.01 8.09 0.00 --
13546 2011:305:17:32:39.101 3 143.4 321.7 1152 1152 2 100.0% 100.0% 100.0% 100.0% 0.01 8.09 0.00 --
13547 2011:305:19:47:09.415 3 300.6 387.9 1154 1154 1 100.0% 100.0% 100.0% 100.0% 0.01 8.10 0.00 --
13689 2012:105:16:06:13.080 3 300.2 -237.5 566 566 0 100.0% 100.0% 100.0% 100.0% 0.02 8.11 0.00 --
21218 2019:163:13:18:33.729 3 -178.5 147.4 5096 5090 5 99.9% 100.0% 100.0% 99.9% 0.03 8.10 0.00 --
23957 2021:077:16:31:06.630 3 349.8 17.8 2671 2668 1 99.9% 100.0% 100.0% 99.9% 0.02 8.09 0.00 --
23444 2021:152:11:09:26.957 3 -222.0 102.2 14696 14607 13 99.4% 100.0% 100.0% 99.4% 0.03 8.12 0.00 --
23441 2021:235:09:34:22.390 3 235.7 14.6 4943 4938 6 99.9% 100.0% 100.0% 99.9% 0.03 8.11 0.00 --
23946 2022:037:13:41:19.508 4 -234.5 -261.6 2642 2632 2 99.6% 100.0% 100.0% 99.6% 0.02 8.11 0.00 --
23947 2022:037:22:10:52.518 4 -243.9 -448.0 2637 2626 4 99.6% 100.0% 100.0% 99.6% 0.02 8.09 0.00 --
23959 2022:081:01:04:59.228 6 326.6 -366.3 2642 2635 2 99.8% 100.0% 100.0% 99.8% 0.02 8.11 0.00 --
23961 2022:081:04:38:37.361 5 -28.1 -153.9 2670 2666 5 99.9% 100.0% 100.0% 99.9% 0.02 8.11 0.00 --
23962 2022:085:16:38:28.246 5 -43.2 -345.9 2646 2612 2 98.7% 100.0% 100.0% 98.7% 0.03 8.10 0.00 --
23909 2022:109:08:00:08.367 6 112.5 -400.0 2646 2635 2 99.6% 100.0% 100.0% 99.6% 0.02 8.12 0.00 --
23908 2022:188:09:31:34.837 5 -235.7 149.0 2666 2661 2 99.8% 100.0% 100.0% 99.8% 0.03 8.13 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.