AGASC ID 895489704

Info

Last Obs. 2022:172:20:22
magcatalog 8.78 ± 0.09
mag3 arcsec 8.76 ± 0.01
mag5 arcsec 8.76 ± 0.01
Nobs 34 (0 bad)
fok 99.7%
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
3798 2003:194:13:12:06.942 6 -412.5 -453.7 20200 19549 26 99.9% 100.0% 100.0% 99.9% 0.02 8.77 0.00 --
8664 2008:138:00:33:04.633 3 -423.0 335.2 1068 1068 0 100.0% 100.0% 100.0% 100.0% 0.01 8.75 0.00 --
8675 2008:138:01:14:54.633 7 -290.5 229.2 1067 1066 3 99.9% 100.0% 100.0% 99.9% 0.01 8.74 0.00 --
8674 2008:138:01:56:44.633 3 -449.1 168.2 1069 1069 2 100.0% 100.0% 100.0% 100.0% 0.02 8.76 0.00 --
9987 2009:038:16:33:18.973 3 -465.6 -83.5 1071 1069 2 99.8% 100.0% 100.0% 99.8% 0.02 8.76 0.00 --
9989 2009:038:17:56:58.973 4 -176.8 95.0 1063 1063 1 100.0% 100.0% 100.0% 100.0% 0.02 8.73 0.00 --
10013 2009:038:18:38:48.973 6 -173.1 -71.5 1064 1063 2 99.9% 100.0% 100.0% 99.9% 0.02 8.74 0.00 --
10012 2009:038:19:20:38.973 4 -316.7 -160.7 1069 1068 3 100.0% 100.0% 100.0% 100.0% 0.01 8.74 0.00 --
10011 2009:038:20:02:28.973 4 -461.5 -251.4 1069 1059 1 99.2% 100.0% 100.0% 99.2% 0.03 8.75 0.00 --
10059 2009:196:17:10:08.313 7 -419.6 -453.7 18143 18125 27 99.9% 100.0% 100.0% 99.9% 0.02 8.77 0.00 --
13161 2010:297:10:23:42.206 6 -449.3 -426.8 14820 14809 17 99.9% 100.0% 100.0% 99.9% 0.02 8.76 0.00 --
11051 2010:297:19:27:15.895 7 -449.9 -425.8 5631 5623 11 99.9% 100.0% 100.0% 99.9% 0.02 8.76 0.00 --
13225 2011:048:08:43:55.022 6 420.5 463.8 14703 14689 24 99.9% 100.0% 100.0% 99.9% 0.02 8.76 0.00 --
13252 2011:119:16:46:44.405 7 436.0 448.4 19590 19554 34 99.8% 100.0% 100.0% 99.8% 0.02 8.76 0.00 --
13705 2011:248:16:47:04.594 6 -442.1 -435.7 6913 6904 14 99.9% 100.0% 100.0% 99.9% 0.02 8.75 0.00 --
14339 2011:251:03:21:14.090 6 -442.1 -435.7 16978 16969 21 99.9% 100.0% 100.0% 99.9% 0.02 8.75 0.00 --
12454 2011:307:05:01:02.826 7 -454.4 -423.0 5444 5442 4 100.0% 100.0% 100.0% 100.0% 0.02 8.75 0.00 --
13590 2012:034:06:46:44.434 5 -332.4 339.3 1419 1419 1 100.0% 100.0% 100.0% 100.0% 0.02 8.72 0.00 --
13706 2012:134:17:35:23.612 7 440.4 443.4 23097 23075 37 99.9% 100.0% 100.0% 99.9% 0.02 8.76 0.00 --
13708 2012:212:09:35:24.612 7 -432.0 -444.8 5425 5411 2 99.7% 100.0% 100.0% 99.7% 0.02 8.77 0.00 --
14475 2012:261:15:56:38.105 6 -446.1 -434.3 15686 15676 14 99.9% 100.0% 100.0% 99.9% 0.03 8.78 0.00 --
14476 2012:302:03:05:49.545 7 -454.2 -426.3 14727 14712 23 99.9% 100.0% 100.0% 99.9% 0.02 8.76 0.00 --
14477 2013:036:04:01:29.937 5 417.5 468.7 14697 14667 16 99.8% 100.0% 100.0% 99.8% 0.02 8.76 0.00 --
14625 2013:053:08:05:48.249 6 423.1 460.8 24342 24322 27 99.9% 100.0% 100.0% 99.9% 0.03 8.75 0.00 --
53924 2013:053:22:33:16.174 6 423.1 460.8 45 45 0 100.0% 100.0% 100.0% 100.0% 0.01 8.76 0.00 --
15615 2013:054:10:03:48.452 6 423.1 460.8 41720 41655 53 99.8% 100.0% 100.0% 99.8% 0.03 8.76 0.00 --
14479 2014:196:05:14:41.734 7 -423.1 -455.6 14728 14673 16 99.6% 100.0% 100.0% 99.6% 0.03 8.78 0.00 --
16638 2014:198:11:42:07.164 7 -394.0 -477.4 35504 35126 32 98.9% 100.0% 100.0% 98.9% 0.03 8.77 0.00 --
52632 2014:199:08:09:05.289 7 -394.0 -477.4 192 192 1 100.0% 100.0% 100.0% 100.0% 0.01 8.77 0.00 --
15750 2014:201:16:25:39.583 7 -394.0 -477.4 11415 11281 12 98.8% 100.0% 100.0% 98.8% 0.02 8.77 0.00 --
52621 2014:201:23:28:42.393 7 -394.0 -477.4 217 213 0 98.2% 100.0% 100.0% 98.2% 0.01 8.78 0.00 --
23995 2021:255:23:57:18.074 5 367.7 -74.2 2669 2621 4 98.2% 100.0% 100.0% 98.2% 0.03 8.78 0.00 --
23993 2021:258:08:42:56.659 6 190.1 -93.0 2646 2602 4 98.3% 100.0% 100.0% 98.3% 0.02 8.79 0.00 --
24038 2022:172:20:22:55.128 6 417.8 37.6 2666 2595 24 97.3% 100.0% 100.0% 97.3% 0.06 8.74 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.