AGASC ID 897720264

Info

Last Obs. 2022:230:05:42
magcatalog 7.47 ± 0.59
mag3 arcsec 6.84 ± 0.07
mag5 arcsec 6.84 ± 0.07
Nobs 31 (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 mag100s ⟨ mag ⟩ σmag Comments
23915 2021:192:04:57:34.834 5 -131.2 -431.0 2671 2671 0 100.0% 100.0% 100.0% 100.0% 0.01 6.77 0.00 --
23916 2021:192:06:34:04.834 4 -195.0 -252.5 2668 2668 2 100.0% 100.0% 100.0% 100.0% 0.01 6.78 0.00 --
23917 2021:192:08:10:34.834 4 -257.4 -85.3 2668 2668 0 100.0% 100.0% 100.0% 100.0% 0.02 6.78 0.00 --
23918 2021:192:09:47:04.834 4 105.3 -487.8 2667 2667 1 100.0% 100.0% 100.0% 100.0% 0.01 6.79 0.00 --
24200 2022:076:15:34:18.399 4 334.7 -366.0 2207 2204 0 99.9% 100.0% 100.0% 99.9% 0.02 6.80 0.00 --
24201 2022:076:16:55:01.732 4 345.1 -164.6 2208 2208 0 100.0% 100.0% 100.0% 100.0% 0.02 6.80 0.00 --
24082 2022:095:07:01:08.017 4 2.9 -196.7 2208 2208 0 100.0% 100.0% 100.0% 100.0% 0.02 6.79 0.00 --
24137 2022:103:22:13:37.425 4 190.6 -406.4 2206 2206 0 100.0% 100.0% 100.0% 100.0% 0.01 6.76 0.00 --
24226 2022:107:17:56:39.390 4 -317.7 -473.0 2207 2207 2 100.0% 100.0% 100.0% 100.0% 0.02 6.77 0.00 --
24054 2022:111:00:06:35.713 4 -222.9 -316.3 2199 2198 0 100.0% 100.0% 100.0% 100.0% 0.02 6.78 0.00 --
23912 2022:111:20:39:11.205 3 476.9 296.9 2655 2655 2 100.0% 100.0% 100.0% 100.0% 0.01 6.78 0.00 --
23913 2022:111:23:02:06.408 3 464.5 108.2 2667 2666 1 100.0% 100.0% 100.0% 100.0% 0.02 6.78 0.00 --
24059 2022:112:04:41:00.964 4 386.1 -464.1 2287 2287 0 100.0% 100.0% 100.0% 100.0% 0.02 6.78 0.00 --
24230 2022:121:04:56:26.326 4 122.0 -172.2 2206 2205 1 100.0% 100.0% 100.0% 100.0% 0.02 6.84 0.00 --
24060 2022:143:22:30:17.917 4 379.8 -297.1 2174 2172 1 100.0% 100.0% 100.0% 100.0% 0.02 6.92 0.00 --
23924 2022:144:10:42:35.934 3 -109.3 5.7 2633 2629 0 99.8% 100.0% 100.0% 99.8% 0.03 6.95 0.00 --
23925 2022:144:12:51:00.161 4 -152.1 -181.5 2671 2671 0 100.0% 100.0% 100.0% 100.0% 0.02 6.93 0.00 --
23926 2022:144:14:27:30.161 4 -248.4 259.2 2668 2668 0 100.0% 100.0% 100.0% 100.0% 0.02 6.93 0.00 --
23927 2022:144:16:04:00.161 3 -290.7 77.3 2670 2669 0 100.0% 100.0% 100.0% 100.0% 0.04 6.94 0.00 --
23928 2022:144:23:48:01.318 4 -328.2 -89.1 2648 2647 0 100.0% 100.0% 100.0% 100.0% 0.02 6.93 0.00 --
24065 2022:146:14:41:52.621 4 -75.7 -396.9 2209 2209 1 100.0% 100.0% 100.0% 100.0% 0.01 6.92 0.00 --
24140 2022:155:03:46:23.200 4 152.7 -245.5 2209 2206 3 99.9% 100.0% 100.0% 99.8% 0.02 6.92 0.00 --
24141 2022:155:05:08:16.792 3 400.7 -134.1 2205 2203 3 99.9% 100.0% 100.0% 99.9% 0.02 6.92 0.00 --
24193 2022:179:02:21:06.336 4 -396.9 468.5 2187 2187 0 100.0% 100.0% 100.0% 100.0% 0.01 6.76 0.00 --
24194 2022:179:04:06:09.517 4 -310.8 281.3 2204 2203 1 100.0% 100.0% 100.0% 100.0% 0.02 6.76 0.00 --
24221 2022:205:13:16:29.504 4 13.9 407.5 2207 2206 1 100.0% 100.0% 100.0% 100.0% 0.02 6.78 0.00 --
23929 2022:229:22:54:31.452 4 280.4 397.0 2655 2654 0 100.0% 100.0% 100.0% 100.0% 0.02 6.86 0.00 --
23930 2022:230:00:53:01.721 5 469.2 -87.2 2670 2670 0 100.0% 100.0% 100.0% 100.0% 0.01 6.86 0.00 --
23931 2022:230:02:29:31.721 5 467.4 104.4 2667 2667 0 100.0% 100.0% 100.0% 100.0% 0.01 6.85 0.00 --
23932 2022:230:04:06:01.721 4 465.1 296.7 2671 2671 0 100.0% 100.0% 100.0% 100.0% 0.02 6.85 0.00 --
23933 2022:230:05:42:31.721 4 465.2 486.7 2670 2670 0 100.0% 100.0% 100.0% 100.0% 0.02 6.86 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.