AGASC ID 114951128

Info

Last Obs. 2023:085:14:31
magcatalog 8.95 ± 0.10
mag3 arcsec 8.92 ± 0.02
mag5 arcsec 8.92 ± 0.02
Nobs 21 (0 bad)
fok 99.5%
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
59723 2005:085:22:06:27.532 0 -106.4 429.0 5119 5105 9 99.7% 99.9% 100.0% 99.6% 0.03 8.93 0.00 --
8058 2008:049:00:31:52.837 3 -139.4 155.1 2724 2722 1 100.0% 100.0% 100.0% 99.9% 0.02 8.90 0.00 --
8050 2008:050:08:19:48.565 3 -173.7 132.9 2701 2696 3 99.8% 100.0% 100.0% 99.8% 0.02 8.90 0.00 --
8083 2008:054:09:53:33.356 3 31.3 373.1 2724 2721 7 99.9% 100.0% 100.0% 99.9% 0.01 8.93 0.00 --
8093 2008:054:16:42:16.654 3 285.3 -251.5 2728 2727 5 100.0% 100.0% 100.0% 100.0% 0.02 8.92 0.00 --
8094 2008:054:18:25:31.405 3 -303.6 -110.2 2748 2681 6 97.6% 100.0% 100.0% 97.6% 0.02 8.91 0.00 --
8098 2008:055:01:12:04.743 3 -66.0 142.7 2724 2719 6 99.8% 100.0% 100.0% 99.8% 0.02 8.91 0.00 --
8109 2008:055:11:17:41.481 3 201.1 -113.5 2724 2721 2 99.9% 100.0% 100.0% 99.9% 0.02 8.93 0.00 --
13985 2012:113:14:32:30.487 3 -159.5 -25.1 24817 24789 33 99.9% 100.0% 100.0% 99.9% 0.03 8.91 0.00 --
14359 2012:114:05:08:54.396 3 -147.5 -28.3 23990 23971 25 99.9% 100.0% 100.0% 99.9% 0.03 8.93 0.00 --
14358 2012:223:02:51:34.426 3 -87.5 -111.3 24460 24441 21 99.9% 100.0% 100.0% 99.9% 0.03 8.91 0.00 --
16032 2013:334:20:25:10.359 3 -100.4 196.3 9503 9485 5 99.8% 100.0% 100.0% 99.8% 0.03 8.89 0.00 --
16033 2014:175:06:39:24.878 3 64.1 -165.3 10453 10317 16 98.7% 100.0% 100.0% 98.7% 0.04 8.96 0.00 --
52682 2014:175:13:18:02.982 0 64.1 -165.3 46 44 0 95.7% 100.0% 100.0% 95.7% 0.02 8.95 0.00 --
48321 2019:079:11:24:09.948 0 -215.4 -43.6 279 271 0 97.1% 100.0% 100.0% 97.1% 0.02 8.90 0.00 --
48313 2019:082:02:57:57.194 0 -203.4 -81.5 291 290 0 99.7% 100.0% 100.0% 99.7% 0.02 8.90 0.00 --
25131 2022:091:14:07:02.819 6 483.0 -169.7 10789 10657 10 98.8% 100.0% 100.0% 98.8% 0.07 8.94 0.00 --
26371 2022:092:05:44:15.724 6 481.9 -169.1 7399 7282 4 98.4% 100.0% 100.0% 98.4% 0.08 8.95 0.00 --
26371 2023:065:03:12:02.927 5 -147.9 -494.1 3943 3903 2 99.0% 100.0% 100.0% 99.0% 0.07 8.92 0.00 --
25131 2023:085:07:07:03.002 5 372.9 -345.4 3082 3061 4 99.3% 100.0% 100.0% 99.3% 0.04 8.92 0.00 --
27751 2023:085:14:31:18.994 5 379.7 -337.4 2749 2654 2 96.5% 100.0% 100.0% 96.5% 0.04 8.91 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.