AGASC ID 896276584

Info

Last Obs. 2022:237:15:04
magcatalog 7.39 ± 0.08
mag3 arcsec 7.36 ± 0.02
mag5 arcsec 7.36 ± 0.02
Nobs 28 (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 mag ⟩ 100s ⟨ mag ⟩ σmag Comments
8704 2008:139:05:44:45.370 4 167.9 428.4 1066 1065 1 100.0% 100.0% 100.0% 100.0% 0.01 7.35 0.00 --
8705 2008:139:06:26:35.370 4 11.4 363.0 1067 1066 1 99.9% 100.0% 100.0% 99.9% 0.01 7.35 0.00 --
8706 2008:139:07:08:25.370 3 -144.6 297.9 1064 1064 0 100.0% 100.0% 100.0% 100.0% 0.01 7.34 0.00 --
8708 2008:139:08:32:05.370 3 -457.6 167.2 1065 1063 3 99.8% 100.0% 100.0% 99.8% 0.01 7.36 0.00 --
8697 2008:139:09:13:55.370 3 -435.6 335.3 1067 1066 2 100.0% 100.0% 100.0% 100.0% 0.01 7.35 0.00 --
8696 2008:139:09:55:45.370 3 -278.2 400.3 1066 1065 1 100.0% 100.0% 100.0% 100.0% 0.01 7.34 0.00 --
9999 2009:032:17:25:45.333 3 -189.0 92.0 1066 1066 1 100.0% 100.0% 100.0% 100.0% 0.01 7.34 0.00 --
10024 2009:032:19:31:15.333 3 -309.3 -174.0 1070 1069 0 100.0% 100.0% 100.0% 100.0% 0.01 7.34 0.00 --
9996 2009:034:18:23:43.674 4 226.3 385.9 1052 1050 4 99.8% 100.0% 100.0% 99.8% 0.01 7.35 0.00 --
9995 2009:034:19:28:38.516 6 367.2 483.7 1065 1065 1 100.0% 100.0% 100.0% 100.0% 0.01 7.36 0.00 --
10019 2009:035:03:08:48.516 3 379.9 314.3 1069 1067 4 99.8% 100.0% 100.0% 99.8% 0.01 7.34 0.00 --
10020 2009:035:03:50:38.516 5 239.9 217.8 1064 1064 0 100.0% 100.0% 100.0% 100.0% 0.01 7.34 0.00 --
13582 2011:304:12:52:11.366 6 465.3 32.3 1067 1067 0 100.0% 100.0% 100.0% 100.0% 0.01 7.34 0.00 --
49723 2017:283:05:28:57.282 0 357.4 -52.7 765 765 4 100.0% 100.0% 100.0% 100.0% 0.01 7.34 0.00 --
49716 2017:285:19:24:56.620 0 357.0 -55.1 762 761 0 99.9% 100.0% 100.0% 99.9% 0.01 7.34 0.00 --
23989 2021:256:15:12:30.598 3 431.6 -217.6 2638 2638 0 100.0% 100.0% 100.0% 100.0% 0.02 7.35 0.00 --
23990 2021:256:17:19:31.610 3 481.3 -29.3 2670 2669 5 100.0% 100.0% 100.0% 99.9% 0.01 7.35 0.00 --
23984 2022:157:22:20:45.320 3 93.2 489.7 2662 2661 1 100.0% 100.0% 100.0% 100.0% 0.01 7.36 0.00 --
23985 2022:158:00:27:53.231 3 -48.1 365.2 2668 2668 2 100.0% 100.0% 100.0% 100.0% 0.02 7.38 0.00 --
23986 2022:158:02:04:23.231 3 -191.8 238.6 2670 2670 3 100.0% 100.0% 100.0% 100.0% 0.02 7.38 0.00 --
24037 2022:172:18:39:35.661 3 -4.1 -106.8 2671 2670 1 100.0% 100.0% 100.0% 100.0% 0.02 7.38 0.00 --
24035 2022:177:20:54:31.297 3 69.4 -410.8 2643 2642 1 100.0% 100.0% 100.0% 100.0% 0.02 7.37 0.00 --
24036 2022:177:23:05:40.476 3 29.3 -233.1 2670 2669 2 100.0% 100.0% 100.0% 100.0% 0.02 7.37 0.00 --
23980 2022:230:20:37:02.348 3 109.5 -405.3 2667 2666 0 100.0% 100.0% 100.0% 100.0% 0.02 7.37 0.00 --
23981 2022:230:22:13:32.348 3 104.7 -216.0 2671 2668 2 99.9% 100.0% 100.0% 99.9% 0.01 7.37 0.00 --
23982 2022:230:23:50:02.348 3 100.4 -32.7 2669 2669 0 100.0% 100.0% 100.0% 100.0% 0.02 7.39 0.00 --
24031 2022:237:13:27:44.584 7 -268.4 -498.5 2674 2665 2 99.7% 100.0% 100.0% 99.7% 0.02 7.36 0.00 --
24032 2022:237:15:04:14.584 3 -270.3 -307.5 2668 2667 2 100.0% 100.0% 100.0% 100.0% 0.02 7.36 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.