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ACA Trending: Nov 2025

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

ACIS
Slope: 9.310e-04 STD: 5.651e-02

Slope: 1.170e-03 STD: 5.005e-02

Slope: 7.943e-04 STD: 4.985e-02
 

Slope: 8.881e-04 STD: 5.359e-02

Slope: 1.032e-03 STD: 5.131e-02

Slope: 2.466e-03 STD: 7.204e-02
 
HRCI
Slope: nan STD: nan

Slope: nan STD: nan

Slope: nan STD: nan

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 7.254 6.610 7.388 100 0 0 52
2 ACIS-2 7.112 6.309 7.231 100 0 0 47
3 ACIS-3 7.441 6.286 7.559 100 0 0 22
4 ACIS-4 7.220 6.688 7.354 100 0 0 49
5 ACIS-5 7.231 6.442 7.363 100 0 0 94
6 ACIS-6 7.295 6.725 7.465 100 0 0 42
7 HRC-I-1 0.000 0.000 0.000 0 0 0 0
8 HRC-I-2 0.000 0.000 0.000 0 0 0 0
9 HRC-I-3 0.000 0.000 0.000 0 0 0 0
10 HRC-I-4 0.000 0.000 0.000 0 0 0 0
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: Nov 2025

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

SlotPos_ErrDelta MagnitudeAngyneaAngznea
0
Slope: nan STD: 5.266e-02

Slope: nan STD: 5.266e-02

Slope: 2.460e-06 STD: 8.620e-06

Slope: 8.620e-06 STD: 8.682e-04
1
Slope: nan STD: 5.664e-02

Slope: nan STD: 5.664e-02

Slope: 2.026e-05 STD: 1.563e-05

Slope: 1.563e-05 STD: 7.596e-04
2
Slope: nan STD: 6.236e-02

Slope: nan STD: 6.236e-02

Slope: 4.806e-06 STD: -1.727e-05

Slope: -1.727e-05 STD: 5.370e-04
3
Slope: -2.194e-04 STD: 6.002e-02

Slope: -2.194e-04 STD: 6.002e-02

Slope: 3.981e-05 STD: 5.392e-05

Slope: 5.392e-05 STD: 6.009e-03
4
Slope: -6.358e-05 STD: 2.119e-02

Slope: -6.358e-05 STD: 2.119e-02

Slope: -1.158e-05 STD: -3.759e-05

Slope: -3.759e-05 STD: 7.478e-03
5
Slope: -5.594e-04 STD: 2.714e-02

Slope: -5.594e-04 STD: 2.714e-02

Slope: -5.601e-05 STD: -4.143e-05

Slope: -4.143e-05 STD: 8.557e-03
6
Slope: 5.001e-04 STD: 2.662e-02

Slope: 5.001e-04 STD: 2.662e-02

Slope: -1.131e-04 STD: -1.202e-04

Slope: -1.202e-04 STD: 1.059e-02
7
Slope: 2.495e-04 STD: 1.891e-02

Slope: 2.495e-04 STD: 1.891e-02

Slope: -3.362e-04 STD: -3.226e-04

Slope: -3.226e-04 STD: 1.642e-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
31.811e-051.892e-057.910e-03 983.066e-023.846e-02394032100.000.000.00
41.781e-052.132e-058.000e-03 983.675e-024.411e-02393999100.000.000.00
52.030e-051.965e-057.772e-03 984.172e-024.892e-02394026100.000.000.00
61.965e-051.852e-057.697e-03 974.495e-025.324e-02394026100.000.000.00
72.010e-051.942e-057.943e-03 955.149e-025.996e-02393952100.000.000.00
AVG1.200e-051.223e-054.915e-03 602.570e-023.059e-0224625462.500.000.00

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+001.134e-01 1021.006e-021.149e-02394021100.000.000.00
10.000e+000.000e+001.071e-01 1021.086e-021.292e-02394019100.000.000.00
20.000e+000.000e+001.077e-01 1021.086e-021.307e-02394020100.000.000.00
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+004.104e-02 383.972e-034.684e-0314775737.500.000.00

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.