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ACA Trending: Aug 2025

Click an image to enlarge it. The slopes are in Mag / day.

ACIS
Slope: -8.774e-03 STD: 4.023e-02

Slope: -1.396e-02 STD: 4.512e-02

Slope: 7.826e-03 STD: 7.412e-02
 

Slope: -2.297e-04 STD: 3.484e-02

Slope: -7.199e-03 STD: 4.415e-02

Slope: -1.992e-02 STD: 6.752e-02
 
HRCI
Slope: -9.266e-03 STD: 1.527e-02

Slope: -5.914e-03 STD: 7.267e-03

Slope: -4.980e-03 STD: 5.251e-03

Slope: nan STD: nan
HRCS
Slope: nan STD: nan

Slope: nan STD: nan

Slope: nan STD: nan

Slope: nan STD: nan
IDID StringMagnitudeData Quality (%)Total Data
AverageMinMaxGoodMarginalBad
1 ACIS-1 7.258 6.682 7.370 100 0 0 10
2 ACIS-2 7.089 6.423 7.200 100 0 0 9
3 ACIS-3 7.427 6.717 7.560 100 0 0 4
4 ACIS-4 7.183 6.865 7.284 100 0 0 9
5 ACIS-5 7.200 6.370 7.351 100 0 0 15
6 ACIS-6 7.254 6.978 7.441 100 0 0 10
7 HRC-I-1 6.791 6.716 6.829 100 0 0 4
8 HRC-I-2 6.829 6.801 6.857 100 0 0 3
9 HRC-I-3 6.851 6.615 6.882 100 0 0 3
10 HRC-I-4 6.789 6.738 6.821 100 0 0 2
11 HRC-S-1 0.000 0.000 0.000 0 0 0 0
12 HRC-S-2 0.000 0.000 0.000 0 0 0 0
13 HRC-S-3 0.000 0.000 0.000 0 0 0 0
14 HRC-S-4 0.000 0.000 0.000 0 0 0 0

Level 1 Slot Trending: Aug 2025

Click an image to enlarge it. The slopes are per day.

SlotPos_ErrDelta MagnitudeAngyneaAngznea
0
Slope: nan STD: 1.116e-01

Slope: nan STD: 1.116e-01

Slope: -3.299e-05 STD: -2.526e-04

Slope: -2.526e-04 STD: 6.152e-04
1
Slope: nan STD: 1.495e-01

Slope: nan STD: 1.495e-01

Slope: 3.047e-05 STD: 3.954e-05

Slope: 3.954e-05 STD: 1.014e-03
2
Slope: nan STD: 5.384e-02

Slope: nan STD: 5.384e-02

Slope: -6.024e-05 STD: -5.175e-05

Slope: -5.175e-05 STD: 8.594e-04
3
Slope: -9.041e-04 STD: 1.459e-02

Slope: -9.041e-04 STD: 1.459e-02

Slope: -6.100e-05 STD: 7.868e-04

Slope: 7.868e-04 STD: 8.511e-03
4
Slope: -4.063e-03 STD: 1.426e-02

Slope: -4.063e-03 STD: 1.426e-02

Slope: 8.632e-04 STD: 1.346e-03

Slope: 1.346e-03 STD: 1.039e-02
5
Slope: -2.457e-03 STD: 1.071e-02

Slope: -2.457e-03 STD: 1.071e-02

Slope: 2.598e-03 STD: 2.162e-03

Slope: 2.162e-03 STD: 1.125e-02
6
Slope: 8.516e-04 STD: 1.977e-02

Slope: 8.516e-04 STD: 1.977e-02

Slope: 2.591e-03 STD: 3.798e-03

Slope: 3.798e-03 STD: 1.596e-02
7
Slope: -2.350e-03 STD: 1.067e-02

Slope: -2.350e-03 STD: 1.067e-02

Slope: -5.920e-03 STD: -4.773e-03

Slope: -4.773e-03 STD: 5.578e-02

Note

pos_err: ((ra_err*cos(dec))^2 + dec_err^2)^0.5
diff: mag_aca - mag_aca_avg
slope: slope agaist time (sec)
std: standard deviation of the data

When looking at Guide Stars

slotrms_ra_err (deg)rms_dec_err (deg) rms_delta_mag (marcsec)number avg_angynea (arcsec)avg_angznea (arcsec) number_nea goodmarginalbad
00.000e+000.000e+000.000e+00 00.000e+000.000e+00 00.000.000.00
10.000e+000.000e+000.000e+00 00.000e+000.000e+00 00.000.000.00
20.000e+000.000e+000.000e+00 00.000e+000.000e+00 00.000.000.00
33.671e-054.253e-051.514e-02 203.420e-023.539e-02101863100.000.000.00
42.607e-053.037e-051.481e-02 204.023e-024.252e-02101833100.000.000.00
53.507e-053.933e-051.670e-02 204.615e-024.914e-02101865100.000.000.00
63.828e-054.719e-051.973e-02 205.659e-026.057e-02101864100.000.000.00
73.243e-053.746e-051.863e-02 187.372e-027.734e-02101812100.000.000.00
AVG2.107e-052.461e-051.063e-02 123.136e-023.312e-026365462.500.000.00

When Looking at FIDs

slotrms_ra_err (deg)rms_dec_err (deg) rms_delta_mag (marcsec)number avg_angynea (arcsec)avg_angznea (arcsec) number_nea goodmarginalbad
00.000e+000.000e+002.577e-01 239.900e-031.128e-02101864100.000.000.00
10.000e+000.000e+002.471e-01 231.056e-021.273e-02101862100.000.000.00
20.000e+000.000e+002.501e-01 231.050e-021.273e-02101859100.000.000.00
30.000e+000.000e+000.000e+00 00.000e+000.000e+00 00.000.000.00
40.000e+000.000e+000.000e+00 00.000e+000.000e+00 00.000.000.00
50.000e+000.000e+000.000e+00 00.000e+000.000e+00 00.000.000.00
60.000e+000.000e+000.000e+00 00.000e+000.000e+00 00.000.000.00
70.000e+000.000e+000.000e+00 00.000e+000.000e+00 00.000.000.00
AVG0.000e+000.000e+009.436e-02 83.869e-034.594e-033819837.500.000.00

When looking at Monitor Stars

slotrms_ra_err (deg)rms_dec_err (deg) rms_delta_mag (marcsec)number avg_angynea (arcsec)avg_angznea (arcsec) number_nea goodmarginalbad
00.000e+000.000e+000.000e+00 00.000e+000.000e+00 00.000.000.00
10.000e+000.000e+000.000e+00 00.000e+000.000e+00 00.000.000.00
20.000e+000.000e+000.000e+00 00.000e+000.000e+00 00.000.000.00
30.000e+000.000e+000.000e+00 00.000e+000.000e+00 00.000.000.00
40.000e+000.000e+000.000e+00 00.000e+000.000e+00 00.000.000.00
50.000e+000.000e+000.000e+00 00.000e+000.000e+00 00.000.000.00
60.000e+000.000e+000.000e+00 00.000e+000.000e+00 00.000.000.00
70.000e+000.000e+000.000e+00 00.000e+000.000e+00 00.000.000.00
AVG0.000e+000.000e+000.000e+00 00.000e+000.000e+00 00.000.000.00

If you have any questions about this page, please contact swolk@cfa.harvard.edu.