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ACA Trending: Nov 2025

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

ACIS
Slope: -4.768e-03 STD: 6.880e-02

Slope: -7.412e-04 STD: 5.130e-02

Slope: -1.614e-02 STD: 7.251e-02
 

Slope: -1.194e-03 STD: 5.156e-02

Slope: -2.298e-03 STD: 5.558e-02

Slope: 2.584e-03 STD: 6.343e-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 7.234 6.610 7.352 100 0 0 17
2 ACIS-2 7.100 6.906 7.224 100 0 0 31
3 ACIS-3 7.412 7.271 7.521 100 0 0 4
4 ACIS-4 7.209 6.688 7.323 100 0 0 31
5 ACIS-5 7.215 6.596 7.329 100 0 0 44
6 ACIS-6 7.276 6.725 7.465 100 0 0 20
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: 0.000e+00

Slope: nan STD: 0.000e+00

Slope: -1.675e-05 STD: 1.215e-05

Slope: 1.215e-05 STD: 1.039e-03
1
Slope: nan STD: 0.000e+00

Slope: nan STD: 0.000e+00

Slope: -1.679e-05 STD: -3.948e-05

Slope: -3.948e-05 STD: 4.493e-04
2
Slope: nan STD: 0.000e+00

Slope: nan STD: 0.000e+00

Slope: 1.183e-05 STD: 2.180e-05

Slope: 2.180e-05 STD: 6.587e-04
3
Slope: 2.743e-03 STD: 5.583e-02

Slope: 2.743e-03 STD: 5.583e-02

Slope: 1.315e-04 STD: 6.850e-05

Slope: 6.850e-05 STD: 6.967e-03
4
Slope: -1.033e-03 STD: 2.606e-02

Slope: -1.033e-03 STD: 2.606e-02

Slope: -3.616e-05 STD: -1.100e-04

Slope: -1.100e-04 STD: 8.938e-03
5
Slope: -1.033e-03 STD: 3.155e-02

Slope: -1.033e-03 STD: 3.155e-02

Slope: -1.358e-04 STD: -1.087e-04

Slope: -1.087e-04 STD: 8.121e-03
6
Slope: 2.448e-04 STD: 2.412e-02

Slope: 2.448e-04 STD: 2.412e-02

Slope: -1.166e-04 STD: -1.954e-04

Slope: -1.954e-04 STD: 1.101e-02
7
Slope: 1.808e-03 STD: 1.993e-02

Slope: 1.808e-03 STD: 1.993e-02

Slope: -4.973e-04 STD: -3.743e-04

Slope: -3.743e-04 STD: 1.916e-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
32.899e-052.822e-051.077e-02 472.996e-023.771e-02192752100.000.000.00
42.552e-052.609e-051.187e-02 473.603e-024.335e-02192729100.000.000.00
52.900e-052.548e-051.087e-02 474.121e-024.844e-02192754100.000.000.00
62.876e-052.802e-051.131e-02 474.511e-025.337e-02192753100.000.000.00
72.966e-052.697e-051.169e-02 455.337e-026.180e-02192690100.000.000.00
AVG1.774e-051.685e-057.063e-03 292.571e-023.058e-0212045962.500.000.00

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+001.694e-01 499.907e-031.119e-02192750100.000.000.00
10.000e+000.000e+001.603e-01 491.062e-021.256e-02192752100.000.000.00
20.000e+000.000e+001.577e-01 491.082e-021.319e-02192746100.000.000.00
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+006.093e-02 183.918e-034.617e-037228137.500.000.00

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.