AGASC ID 1004425112

Info

Last Obs. 2024:327:11:17
magcatalog 8.84 ± 0.02
mag3 arcsec 8.87 ± 0.02
mag5 arcsec 8.87 ± 0.02
Nobs 24 (0 bad)
fok 99.1%
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
5314 2004:109:11:29:23.026 7 -14.0 429.6 14788 14704 15 99.9% 100.0% 100.0% 99.9% 0.03 8.85 0.00 --
21113 2018:182:20:01:59.675 7 258.4 9.0 8933 8762 7 99.0% 100.0% 100.0% 99.0% 0.03 8.84 0.00 --
20156 2018:184:15:49:59.648 7 257.6 9.4 7838 7682 16 99.0% 100.0% 100.0% 99.0% 0.03 8.83 0.00 --
21111 2018:187:04:43:30.742 7 257.6 9.3 13447 13225 19 98.9% 100.0% 100.0% 98.9% 0.03 8.83 0.00 --
21115 2018:188:03:00:30.849 7 257.9 9.2 9111 8907 5 98.6% 100.0% 100.0% 98.6% 0.04 8.83 0.00 --
21116 2018:189:02:03:38.813 7 257.6 9.3 21608 21335 37 99.1% 100.0% 100.0% 99.1% 0.04 8.84 0.00 --
20158 2018:211:22:17:19.045 3 232.2 -102.8 9276 9117 8 99.2% 100.0% 100.0% 99.2% 0.03 8.87 0.00 --
21661 2018:215:11:28:08.342 3 231.9 -102.6 48040 47666 67 99.4% 100.0% 100.0% 99.4% 0.05 8.87 0.00 --
20157 2018:220:23:16:14.266 5 191.2 -164.3 37903 37436 36 99.0% 100.0% 100.0% 99.0% 0.05 8.88 0.00 --
21659 2018:234:01:57:05.427 5 165.9 -188.4 42789 42331 43 99.1% 100.0% 100.0% 99.1% 0.05 8.88 0.00 --
21673 2018:236:18:35:46.628 5 166.5 -188.7 7568 7381 16 98.5% 100.0% 100.0% 98.5% 0.03 8.87 0.00 --
20154 2019:025:03:08:18.798 5 -261.4 100.2 23442 23283 30 99.6% 100.0% 100.0% 99.6% 0.06 8.85 0.00 --
22049 2019:032:00:43:04.158 4 -245.3 134.3 13804 13455 14 97.9% 100.0% 100.0% 97.8% 0.04 8.83 0.00 --
20155 2019:195:23:47:08.570 6 252.9 -12.2 9903 9710 17 98.7% 100.0% 100.0% 98.7% 0.03 8.89 0.00 --
22278 2019:197:16:02:04.116 6 255.7 -13.5 15294 15070 19 99.4% 100.0% 100.0% 99.4% 0.05 8.88 0.00 --
22279 2019:198:14:33:49.610 6 254.1 -12.8 13039 12744 20 98.3% 100.0% 100.0% 98.3% 0.04 8.89 0.00 --
22280 2019:201:06:26:36.300 6 254.0 -12.7 12787 12536 15 98.7% 100.0% 100.0% 98.6% 0.04 8.89 0.00 --
22281 2019:202:20:55:26.310 6 253.7 -12.5 20735 20493 33 99.2% 100.0% 100.0% 99.2% 0.03 8.89 0.00 --
22076 2019:213:00:21:53.948 7 235.3 -93.4 37229 36806 34 99.1% 100.0% 100.0% 99.1% 0.07 8.87 0.00 --
21898 2019:229:02:57:09.127 6 188.9 -163.0 27640 27365 40 99.3% 100.0% 100.0% 99.3% 0.06 8.89 0.00 --
28763 2024:325:20:42:41.572 5 -206.3 -167.8 6478 6419 3 100.0% 99.9% 100.0% 99.9% 0.13 8.88 0.00 --
28831 2024:326:16:39:51.335 6 -204.3 -170.6 2545 2408 2 98.8% 99.2% 99.3% 98.0% 0.07 8.89 0.00 --
28831 2024:327:01:55:35.457 6 -203.0 -171.2 3830 3776 4 100.0% 99.9% 100.0% 99.9% 0.13 8.87 0.00 --
28831 2024:327:11:17:31.057 6 -202.7 -171.4 4968 4904 2 99.9% 99.9% 100.0% 99.8% 0.10 8.87 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.