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ACA Trending: Nov 2025

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

ACIS
Slope: -1.940e-03 STD: 6.808e-02

Slope: 4.930e-03 STD: 5.527e-02

Slope: -1.614e-02 STD: 7.251e-02
 

Slope: 3.396e-05 STD: 5.500e-02

Slope: 1.171e-03 STD: 5.562e-02

Slope: 8.008e-03 STD: 5.392e-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 7.238 6.610 7.352 100 0 0 16
2 ACIS-2 7.110 6.906 7.224 100 0 0 22
3 ACIS-3 7.412 7.271 7.521 100 0 0 4
4 ACIS-4 7.217 7.013 7.323 100 0 0 22
5 ACIS-5 7.225 6.596 7.329 100 0 0 35
6 ACIS-6 7.278 6.725 7.465 100 0 0 18
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: nan

Slope: nan STD: nan

Slope: 1.017e-04 STD: 3.047e-04

Slope: 3.047e-04 STD: 1.095e-03
1
Slope: nan STD: nan

Slope: nan STD: nan

Slope: 1.906e-05 STD: 6.122e-06

Slope: 6.122e-06 STD: 4.618e-04
2
Slope: nan STD: nan

Slope: nan STD: nan

Slope: 8.208e-05 STD: 1.279e-04

Slope: 1.279e-04 STD: 6.770e-04
3
Slope: 2.378e-03 STD: 4.765e-02

Slope: 2.378e-03 STD: 4.765e-02

Slope: 4.261e-04 STD: 1.204e-04

Slope: 1.204e-04 STD: 7.054e-03
4
Slope: -2.813e-03 STD: 2.821e-02

Slope: -2.813e-03 STD: 2.821e-02

Slope: -1.485e-04 STD: -2.336e-04

Slope: -2.336e-04 STD: 9.508e-03
5
Slope: -3.604e-03 STD: 3.095e-02

Slope: -3.604e-03 STD: 3.095e-02

Slope: -1.925e-04 STD: -2.719e-04

Slope: -2.719e-04 STD: 8.245e-03
6
Slope: -3.351e-04 STD: 2.605e-02

Slope: -3.351e-04 STD: 2.605e-02

Slope: 1.140e-04 STD: -6.779e-05

Slope: -6.779e-05 STD: 1.083e-02
7
Slope: 1.000e-03 STD: 1.012e-02

Slope: 1.000e-03 STD: 1.012e-02

Slope: 6.050e-05 STD: 3.982e-04

Slope: 3.982e-04 STD: 1.986e-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
33.219e-053.222e-051.157e-02 382.974e-023.739e-02152133100.000.000.00
42.835e-052.836e-051.326e-02 383.555e-024.284e-02152109100.000.000.00
53.102e-052.927e-051.214e-02 384.031e-024.734e-02152133100.000.000.00
63.019e-053.156e-051.283e-02 384.390e-025.197e-02152132100.000.000.00
73.288e-053.041e-051.320e-02 375.369e-026.154e-02152071100.000.000.00
AVG1.933e-051.898e-057.875e-03 232.540e-023.013e-029507262.500.000.00

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+001.868e-01 391.005e-021.140e-02152128100.000.000.00
10.000e+000.000e+001.783e-01 391.067e-021.264e-02152130100.000.000.00
20.000e+000.000e+001.752e-01 391.087e-021.325e-02152128100.000.000.00
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+006.753e-02 143.950e-034.661e-035704837.500.000.00

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.