AGASC ID 115216184

Info

Last Obs. 2025:097:05:38
magcatalog 9.66 ± 0.02
mag3 arcsec 9.62 ± 0.03
mag5 arcsec 9.62 ± 0.03
Nobs 23 (0 bad)
fok 94.4%
f3 arcsec 97.1%
f5 arcsec 97.3%

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
6131 2005:311:11:20:59.543 5 306.0 40.8 20896 20806 25 99.9% 100.0% 100.0% 99.8% 0.04 9.63 0.00 --
57188 2009:100:03:13:16.430 2 -470.0 75.8 8721 8658 13 99.7% 99.9% 100.0% 99.6% 0.04 9.62 0.00 --
15149 2013:205:04:02:07.960 4 -426.0 -200.9 73469 71031 70 96.8% 100.0% 100.0% 96.8% 0.07 9.61 0.00 --
20540 2019:057:04:04:15.204 6 194.0 247.4 15054 13774 181 91.9% 86.2% 86.8% 79.2% 0.08 9.63 0.00 --
22126 2019:059:00:43:47.955 6 194.1 247.4 17488 16240 202 93.3% 98.0% 98.7% 91.5% 0.06 9.63 0.00 --
22127 2019:061:08:40:45.580 6 193.5 247.6 11368 10769 111 95.4% 93.6% 94.0% 89.3% 0.08 9.63 0.00 --
22128 2019:062:00:30:25.001 6 194.7 247.1 11909 10244 92 86.6% 85.0% 85.9% 73.6% 0.08 9.63 0.00 --
21867 2019:072:08:26:48.085 6 -2.0 315.8 11801 11344 38 96.9% 99.6% 100.0% 96.6% 0.09 9.62 0.00 --
22142 2019:073:01:51:56.312 6 -2.3 316.0 10394 9794 39 95.1% 99.8% 100.0% 95.0% 0.09 9.62 0.00 --
22144 2019:074:20:33:13.835 6 -1.4 315.5 15813 15362 73 97.5% 59.2% 59.6% 57.7% 0.08 9.59 0.00 --
22143 2019:075:12:19:08.029 6 -1.8 315.7 11366 10831 46 96.0% 99.6% 100.0% 95.7% 0.07 9.62 0.00 --
22163 2019:088:15:56:10.709 6 -195.6 242.1 17707 17278 19 98.0% 99.9% 100.0% 98.0% 0.10 9.60 0.00 --
20539 2019:095:11:44:10.952 5 -284.7 112.7 19657 19067 28 97.4% 100.0% 100.0% 97.4% 0.07 9.62 0.00 --
22166 2019:096:14:33:25.745 5 -283.7 112.3 19169 18976 28 99.3% 100.0% 100.0% 99.3% 0.08 9.61 0.00 --
20541 2019:100:01:03:46.178 5 -291.0 86.8 5687 5585 5 99.2% 99.9% 99.9% 99.2% 0.09 9.61 0.00 --
22175 2019:102:12:41:50.370 5 -290.9 86.8 13559 13186 21 97.7% 100.0% 100.0% 97.7% 0.10 9.61 0.00 --
22176 2019:103:11:33:41.090 5 -292.3 87.4 25511 25224 36 99.2% 100.0% 100.0% 99.2% 0.08 9.62 0.00 --
22177 2019:104:17:27:19.920 5 -291.1 86.9 18191 17898 27 98.7% 100.0% 100.0% 98.7% 0.12 9.64 0.00 --
20543 2019:117:06:21:59.159 6 -300.6 19.0 26976 26257 35 97.6% 100.0% 100.0% 97.5% 0.10 9.63 0.00 --
22195 2019:118:03:17:54.100 6 -297.3 -30.2 18930 18646 37 98.9% 99.9% 100.0% 98.8% 0.11 9.61 0.00 --
22196 2019:127:05:49:02.420 6 -300.0 -14.4 10288 10040 18 98.0% 99.9% 100.0% 98.0% 0.06 9.67 0.00 --
22709 2020:082:19:46:01.136 7 132.8 63.2 7807 7287 11 94.4% 100.0% 100.0% 94.4% 0.09 9.65 0.00 --
30780 2025:097:05:38:56.646 5 -300.7 120.9 4967 4909 3 99.9% 100.0% 100.0% 99.9% 0.10 9.75 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.