AGASC ID 670317248

Info

Last Obs. 2022:320:18:41
magcatalog 9.21 ± 0.17
mag3 arcsec 9.08 ± 0.02
mag5 arcsec 9.08 ± 0.02
Nobs 26 (0 bad)
fok 98.4%
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
6587 2006:227:14:23:34.969 3 432.3 -73.0 23470 22615 30 98.3% 100.0% 100.0% 98.3% 0.04 9.08 0.00 --
9051 2008:118:14:47:53.966 7 104.1 -81.6 2531 2523 3 99.7% 99.8% 99.8% 99.5% 0.03 9.10 0.00 --
20288 2018:089:09:50:30.669 4 -24.4 358.2 1788 1741 2 97.4% 99.8% 99.8% 97.3% 0.03 9.03 0.00 --
21641 2019:174:19:22:44.341 7 -45.6 -425.7 14692 14542 25 99.0% 100.0% 100.0% 99.0% 0.04 9.05 0.00 --
21642 2020:180:19:31:35.060 7 -34.2 -427.7 14704 14684 24 99.9% 100.0% 100.0% 99.8% 0.05 9.07 0.00 --
21645 2020:218:17:09:23.843 5 421.8 -136.8 14228 14065 12 98.9% 100.0% 100.0% 98.8% 0.07 9.09 0.00 --
21644 2020:221:11:32:56.777 5 428.0 -117.9 14611 14379 16 98.4% 100.0% 100.0% 98.4% 0.05 9.08 0.00 --
23453 2021:052:16:52:39.284 5 -449.4 86.6 579 576 0 99.5% 100.0% 100.0% 99.5% 0.03 9.06 0.00 --
23457 2021:256:20:32:32.199 4 439.3 43.0 15124 14858 12 98.2% 100.0% 100.0% 98.2% 0.07 9.08 0.00 --
26127 2021:257:11:33:13.014 4 440.0 42.8 15074 14808 19 98.2% 100.0% 100.0% 98.2% 0.06 9.07 0.00 --
26169 2021:301:21:41:34.115 5 412.7 167.9 14709 14325 41 97.4% 99.8% 99.9% 97.2% 0.07 9.08 0.00 --
23458 2021:303:20:10:12.689 4 430.4 104.1 3230 3229 5 100.0% 100.0% 100.0% 100.0% 0.03 9.07 0.00 --
26169 2021:304:13:48:50.899 5 420.2 141.6 12252 11919 19 97.3% 100.0% 100.0% 97.2% 0.04 9.08 0.00 --
26187 2021:305:03:46:31.141 5 420.0 141.8 11159 10897 8 97.7% 100.0% 100.0% 97.6% 0.05 9.08 0.00 --
23458 2021:306:20:19:12.525 4 431.4 103.7 3962 3897 6 98.4% 100.0% 100.0% 98.4% 0.04 9.07 0.00 --
25147 2022:311:13:37:50.658 6 395.5 185.2 2475 2429 54 98.1% 99.8% 99.9% 97.9% 0.10 9.08 0.00 --
25148 2022:311:20:30:18.013 6 395.3 185.4 2960 2919 3 98.6% 99.8% 99.9% 98.4% 0.06 9.09 0.00 --
25149 2022:312:03:57:48.244 6 394.7 185.6 3211 3164 5 98.5% 99.9% 100.0% 98.5% 0.07 9.10 0.00 --
27545 2022:312:11:50:57.548 6 394.5 185.8 2470 2440 2 98.8% 99.9% 100.0% 98.7% 0.05 9.10 0.00 --
27546 2022:313:18:00:07.568 6 395.5 185.4 2474 2381 2 96.2% 99.9% 100.0% 96.2% 0.07 9.10 0.00 --
27547 2022:314:02:19:05.307 6 394.5 185.8 3686 3627 2 98.4% 99.9% 99.9% 98.3% 0.03 9.09 0.00 --
27548 2022:314:12:00:16.588 6 393.9 186.0 3326 3290 2 98.9% 100.0% 100.0% 98.9% 0.03 9.09 0.00 --
25147 2022:319:00:52:59.785 7 380.5 219.2 2889 2846 0 98.5% 99.9% 99.9% 98.4% 0.12 9.07 0.00 --
25148 2022:319:15:29:39.686 7 379.9 219.6 3690 3598 1 97.5% 99.9% 99.9% 97.4% 0.10 9.06 0.00 --
25150 2022:320:08:38:43.284 6 379.7 219.6 3688 3611 1 97.9% 100.0% 100.0% 97.9% 0.11 9.06 0.00 --
27554 2022:320:18:41:30.132 7 371.5 232.5 3444 3404 2 98.8% 100.0% 100.0% 98.8% 0.07 9.07 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.