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ACA Trending: Dec 2025

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

ACIS
Slope: -5.806e-03 STD: 5.462e-02

Slope: -7.785e-03 STD: 5.348e-02

Slope: -8.278e-03 STD: 4.817e-02
 

Slope: -7.803e-03 STD: 5.245e-02

Slope: -5.349e-03 STD: 5.154e-02

Slope: -1.957e-02 STD: 8.016e-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 7.271 6.496 7.904 100 0 0 19
2 ACIS-2 7.144 6.874 7.290 100 0 0 16
3 ACIS-3 7.454 6.308 7.570 100 0 0 19
4 ACIS-4 7.252 6.865 7.344 100 0 0 18
5 ACIS-5 7.253 6.768 7.368 100 0 0 40
6 ACIS-6 7.314 6.731 7.458 100 0 0 11
7 HRC-I-1 6.807 6.654 6.836 100 0 0 1
8 HRC-I-2 6.835 6.811 6.856 100 0 0 1
9 HRC-I-3 6.876 6.803 6.903 100 0 0 1
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: Dec 2025

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

SlotPos_ErrDelta MagnitudeAngyneaAngznea
0
Slope: 3.069e-02 STD: 1.482e-01

Slope: 3.069e-02 STD: 1.482e-01

Slope: -1.243e-04 STD: -1.832e-04

Slope: -1.832e-04 STD: 9.282e-04
1
Slope: 4.106e-02 STD: 1.471e-01

Slope: 4.106e-02 STD: 1.471e-01

Slope: -1.187e-04 STD: -2.079e-04

Slope: -2.079e-04 STD: 9.011e-04
2
Slope: 1.004e-02 STD: 8.792e-02

Slope: 1.004e-02 STD: 8.792e-02

Slope: -9.086e-05 STD: -9.694e-05

Slope: -9.694e-05 STD: 7.570e-04
3
Slope: -9.182e-04 STD: 1.686e-02

Slope: -9.182e-04 STD: 1.686e-02

Slope: -2.024e-04 STD: -2.298e-04

Slope: -2.298e-04 STD: 5.742e-03
4
Slope: -2.319e-04 STD: 1.141e-02

Slope: -2.319e-04 STD: 1.141e-02

Slope: -1.048e-04 STD: -1.277e-04

Slope: -1.277e-04 STD: 7.260e-03
5
Slope: -3.487e-04 STD: 9.960e-03

Slope: -3.487e-04 STD: 9.960e-03

Slope: -5.084e-04 STD: -6.695e-04

Slope: -6.695e-04 STD: 1.321e-02
6
Slope: -3.731e-04 STD: 6.676e-02

Slope: -3.731e-04 STD: 6.676e-02

Slope: 2.102e-04 STD: 4.284e-06

Slope: 4.284e-06 STD: 1.329e-02
7
Slope: -4.906e-04 STD: 1.397e-02

Slope: -4.906e-04 STD: 1.397e-02

Slope: 1.035e-03 STD: 9.121e-04

Slope: 9.121e-04 STD: 1.566e-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
33.029e-053.452e-051.203e-02 383.280e-023.972e-02171464100.000.000.00
43.007e-053.423e-051.145e-02 383.958e-024.604e-02171436100.000.000.00
53.028e-053.610e-051.187e-02 384.528e-025.161e-02171457100.000.000.00
63.110e-052.690e-051.446e-02 384.897e-025.555e-02171464100.000.000.00
72.906e-053.480e-051.249e-02 385.231e-025.882e-02171437100.000.000.00
AVG1.885e-052.082e-057.788e-03 232.737e-023.147e-0210715762.500.000.00

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+001.703e-01 421.053e-021.198e-02171458100.000.000.00
10.000e+000.000e+001.626e-01 421.111e-021.298e-02171458100.000.000.00
20.000e+000.000e+001.667e-01 421.104e-021.338e-02171469100.000.000.00
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+006.246e-02 154.084e-034.793e-036429837.500.000.00

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.