Back to Year 2026
Back to Top Page

ACA Trending: Sep 2026

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

ACIS
Slope: -3.928e-03 STD: 6.842e-02

Slope: -1.484e-03 STD: 6.913e-02

Slope: -1.644e-03 STD: 5.813e-02
 

Slope: -9.105e-04 STD: 5.667e-02

Slope: -9.301e-04 STD: 6.077e-02

Slope: -1.952e-03 STD: 8.220e-02
 
HRCI
Slope: 6.942e-04 STD: 1.382e-02

Slope: 1.733e-04 STD: 1.155e-02

Slope: 7.979e-04 STD: 1.173e-02

Slope: 4.278e-04 STD: 8.117e-03
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 7.220 5.026 7.386 100 0 0 39
2 ACIS-2 7.093 6.132 7.260 100 0 0 60
3 ACIS-3 7.370 6.625 7.520 100 0 0 37
4 ACIS-4 7.189 6.851 7.348 100 0 0 64
5 ACIS-5 7.188 6.425 7.341 100 0 0 76
6 ACIS-6 7.258 6.262 7.427 100 0 0 33
7 HRC-I-1 6.813 6.722 6.864 100 0 0 13
8 HRC-I-2 6.851 6.571 6.897 100 0 0 16
9 HRC-I-3 6.874 6.083 6.915 100 0 0 14
10 HRC-I-4 6.801 6.672 6.844 100 0 0 5
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: Sep 2026

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

SlotPos_ErrDelta MagnitudeAngyneaAngznea
0
Slope: 6.702e-03 STD: 1.672e-01

Slope: 6.702e-03 STD: 1.672e-01

Slope: 1.536e-05 STD: 1.095e-05

Slope: 1.095e-05 STD: 1.134e-03
1
Slope: 3.790e-03 STD: 2.071e-01

Slope: 3.790e-03 STD: 2.071e-01

Slope: 8.917e-06 STD: -6.759e-06

Slope: -6.759e-06 STD: 1.541e-03
2
Slope: 5.329e-03 STD: 1.538e-01

Slope: 5.329e-03 STD: 1.538e-01

Slope: 1.227e-05 STD: 7.586e-06

Slope: 7.586e-06 STD: 1.203e-03
3
Slope: 1.884e-03 STD: 7.842e-02

Slope: 1.884e-03 STD: 7.842e-02

Slope: -3.352e-04 STD: -3.095e-04

Slope: -3.095e-04 STD: 1.295e-02
4
Slope: 9.660e-05 STD: 1.404e-02

Slope: 9.660e-05 STD: 1.404e-02

Slope: -1.979e-04 STD: -1.781e-04

Slope: -1.781e-04 STD: 1.208e-02
5
Slope: -7.749e-05 STD: 1.825e-02

Slope: -7.749e-05 STD: 1.825e-02

Slope: -9.315e-05 STD: -4.712e-05

Slope: -4.712e-05 STD: 1.110e-02
6
Slope: 4.005e-04 STD: 1.950e-02

Slope: 4.005e-04 STD: 1.950e-02

Slope: -1.374e-04 STD: -8.972e-05

Slope: -8.972e-05 STD: 1.542e-02
7
Slope: -3.680e-05 STD: 1.856e-02

Slope: -3.680e-05 STD: 1.856e-02

Slope: -1.427e-04 STD: -2.507e-04

Slope: -2.507e-04 STD: 1.894e-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
31.842e-051.673e-057.865e-03 1113.665e-023.238e-02375229100.000.000.00
41.917e-051.573e-056.531e-03 1114.142e-023.776e-02375222100.000.000.00
51.799e-051.566e-056.441e-03 1114.635e-024.434e-02375199100.000.000.00
61.641e-051.523e-056.917e-03 1115.226e-025.191e-02375182100.000.000.00
71.788e-051.670e-057.036e-03 1085.569e-025.627e-02370102100.000.000.00
AVG1.123e-051.001e-054.349e-03 692.905e-022.783e-0223386662.500.000.00

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+001.122e-01 1191.026e-021.214e-02375221100.000.000.00
10.000e+000.000e+001.078e-01 1191.092e-021.346e-02375217100.000.000.00
20.000e+000.000e+001.087e-01 1191.075e-021.324e-02375226100.000.000.00
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+004.109e-02 443.991e-034.856e-0314070837.500.000.00

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.