AGASC ID 114562600

Info

Last Obs. 2024:079:05:14
magcatalog 8.72 ± 0.05
mag3 arcsec 8.76 ± 0.03
mag5 arcsec 8.76 ± 0.03
Nobs 17 (0 bad)
fok 99.0%
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
2982 2002:094:03:43:33.797 5 197.5 194.0 19056 18872 17 99.3% 100.0% 100.0% 99.3% 0.03 8.76 0.00 --
7840 2007:044:08:36:57.597 5 -56.3 -175.9 3001 2944 5 99.9% 100.0% 100.0% 99.8% 0.02 8.75 0.00 --
8075 2007:118:16:02:55.655 3 452.2 -348.4 2786 2721 6 99.9% 100.0% 100.0% 99.9% 0.02 8.77 0.00 --
8125 2008:055:19:40:57.675 7 480.1 -197.1 2781 2726 2 100.0% 100.0% 100.0% 100.0% 0.02 8.77 0.00 --
14902 2013:039:03:50:17.510 6 454.2 -273.5 14913 14843 16 99.9% 100.0% 100.0% 99.9% 0.03 8.79 0.00 --
15757 2014:107:23:46:36.141 3 394.7 -468.9 14781 14416 6 98.0% 100.0% 100.0% 98.0% 0.04 8.78 0.00 --
19429 2017:040:21:16:41.199 5 -58.4 -179.2 5025 4954 5 99.9% 100.0% 100.0% 99.9% 0.03 8.70 0.00 --
19408 2017:107:04:38:12.996 6 -174.7 373.9 7479 7260 6 98.0% 100.0% 100.0% 98.0% 0.03 8.72 0.00 --
19433 2018:133:10:41:33.631 7 -370.0 170.7 7459 7299 7 98.6% 100.0% 100.0% 98.6% 0.04 8.75 0.00 --
19412 2018:133:15:17:27.229 7 -302.4 37.8 7458 7339 9 99.1% 100.0% 100.0% 99.1% 0.03 8.75 0.00 --
19415 2018:174:21:49:19.754 5 -23.1 -288.5 7459 7291 14 98.6% 100.0% 100.0% 98.6% 0.04 8.71 0.00 --
48315 2019:081:22:56:06.557 6 334.1 -17.7 349 282 0 99.6% 100.0% 100.0% 99.6% 0.02 8.79 0.00 --
23850 2021:095:19:01:49.672 6 -327.0 -203.4 9901 9707 14 98.7% 100.0% 100.0% 98.7% 0.06 8.74 0.00 --
25002 2021:096:07:20:45.858 6 -376.5 -99.8 7225 7019 8 98.2% 100.0% 100.0% 98.2% 0.05 8.76 0.00 --
25003 2021:099:21:58:36.010 7 -348.1 -170.5 10319 10145 18 99.1% 100.0% 100.0% 99.0% 0.04 8.77 0.00 --
25276 2022:058:08:37:59.774 5 -478.0 -316.2 7585 7475 8 99.2% 100.0% 100.0% 99.2% 0.04 8.78 0.00 --
26754 2024:079:05:14:49.096 3 -202.1 411.4 2529 2468 4 99.9% 99.9% 100.0% 99.8% 0.06 8.75 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.