Back to Year 2025
Back to Top Page

ACA Trending: Dec 2025

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

ACIS
Slope: -1.374e-02 STD: 6.359e-02

Slope: -1.581e-02 STD: 4.131e-02

Slope: -9.349e-03 STD: 4.939e-02
 

Slope: -5.900e-03 STD: 2.862e-02

Slope: -6.317e-03 STD: 4.631e-02

Slope: 9.772e-03 STD: 5.388e-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 7.279 6.998 7.904 100 0 0 12
2 ACIS-2 7.159 6.874 7.290 100 0 0 7
3 ACIS-3 7.464 7.007 7.570 100 0 0 13
4 ACIS-4 7.270 6.865 7.337 100 0 0 10
5 ACIS-5 7.263 6.768 7.368 100 0 0 22
6 ACIS-6 7.356 6.731 7.453 100 0 0 5
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: Dec 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: -1.419e-04 STD: -3.738e-04

Slope: -3.738e-04 STD: 9.572e-04
1
Slope: nan STD: 0.000e+00

Slope: nan STD: 0.000e+00

Slope: -1.745e-04 STD: -2.675e-04

Slope: -2.675e-04 STD: 7.003e-04
2
Slope: nan STD: 0.000e+00

Slope: nan STD: 0.000e+00

Slope: -1.648e-04 STD: -2.770e-04

Slope: -2.770e-04 STD: 7.583e-04
3
Slope: 1.594e-03 STD: 1.668e-02

Slope: 1.594e-03 STD: 1.668e-02

Slope: -1.621e-03 STD: -1.443e-03

Slope: -1.443e-03 STD: 6.234e-03
4
Slope: -1.226e-03 STD: 1.071e-02

Slope: -1.226e-03 STD: 1.071e-02

Slope: -1.897e-03 STD: -1.940e-03

Slope: -1.940e-03 STD: 8.016e-03
5
Slope: -1.662e-04 STD: 8.149e-03

Slope: -1.662e-04 STD: 8.149e-03

Slope: -3.930e-03 STD: -4.015e-03

Slope: -4.015e-03 STD: 1.657e-02
6
Slope: 1.251e-02 STD: 8.402e-02

Slope: 1.251e-02 STD: 8.402e-02

Slope: -3.202e-03 STD: -3.482e-03

Slope: -3.482e-03 STD: 1.316e-02
7
Slope: 1.098e-03 STD: 1.175e-02

Slope: 1.098e-03 STD: 1.175e-02

Slope: -2.765e-03 STD: -2.856e-03

Slope: -2.856e-03 STD: 1.315e-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
34.213e-054.879e-051.507e-02 223.287e-023.986e-0283039100.000.000.00
44.124e-054.825e-051.535e-02 223.944e-024.553e-0283042100.000.000.00
54.223e-054.472e-051.520e-02 224.570e-025.200e-0283038100.000.000.00
64.226e-053.929e-052.067e-02 224.755e-025.451e-0283041100.000.000.00
74.044e-054.740e-051.602e-02 224.827e-025.505e-0283044100.000.000.00
AVG2.604e-052.856e-051.029e-02 132.673e-023.087e-025190062.500.000.00

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+002.245e-01 231.083e-021.238e-0283039100.000.000.00
10.000e+000.000e+002.072e-01 231.141e-021.355e-0283037100.000.000.00
20.000e+000.000e+002.210e-01 231.127e-021.363e-0283043100.000.000.00
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+008.159e-02 84.189e-034.945e-033113937.500.000.00

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.