Back to Year 2026
Back to Top Page

ACA Trending: Feb 2026

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

ACIS
Slope: -1.909e-03 STD: 4.237e-02

Slope: 3.019e-03 STD: 6.613e-02

Slope: -1.927e-03 STD: 5.534e-02
 

Slope: 9.206e-04 STD: 4.804e-02

Slope: 9.081e-04 STD: 5.065e-02

Slope: -2.081e-03 STD: 7.481e-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 7.243 6.743 7.373 100 0 0 34
2 ACIS-2 7.114 5.914 7.274 100 0 0 46
3 ACIS-3 7.394 7.048 7.552 100 0 0 13
4 ACIS-4 7.205 5.899 7.340 100 0 0 51
5 ACIS-5 7.211 6.090 7.357 100 0 0 53
6 ACIS-6 7.260 6.527 7.474 100 0 0 37
7 HRC-I-1 6.800 6.776 6.817 100 0 0 1
8 HRC-I-2 6.826 6.805 6.840 100 0 0 1
9 HRC-I-3 6.865 6.844 6.884 100 0 0 2
10 HRC-I-4 6.787 6.746 6.804 100 0 0 2
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: Feb 2026

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

SlotPos_ErrDelta MagnitudeAngyneaAngznea
0
Slope: nan STD: 1.286e-01

Slope: nan STD: 1.286e-01

Slope: -4.806e-05 STD: -6.955e-05

Slope: -6.955e-05 STD: 1.147e-03
1
Slope: nan STD: 6.438e-02

Slope: nan STD: 6.438e-02

Slope: 9.289e-06 STD: 5.366e-05

Slope: 5.366e-05 STD: 1.181e-03
2
Slope: nan STD: 1.030e-01

Slope: nan STD: 1.030e-01

Slope: 2.760e-05 STD: 5.797e-05

Slope: 5.797e-05 STD: 1.296e-03
3
Slope: -1.658e-03 STD: 7.197e-02

Slope: -1.658e-03 STD: 7.197e-02

Slope: 3.299e-04 STD: 2.483e-04

Slope: 2.483e-04 STD: 8.470e-03
4
Slope: -2.569e-03 STD: 5.906e-02

Slope: -2.569e-03 STD: 5.906e-02

Slope: 2.062e-04 STD: 2.452e-04

Slope: 2.452e-04 STD: 7.766e-03
5
Slope: 3.401e-04 STD: 1.611e-02

Slope: 3.401e-04 STD: 1.611e-02

Slope: 1.923e-04 STD: 1.735e-04

Slope: 1.735e-04 STD: 8.395e-03
6
Slope: 5.065e-04 STD: 1.550e-02

Slope: 5.065e-04 STD: 1.550e-02

Slope: 6.688e-04 STD: 7.280e-04

Slope: 7.280e-04 STD: 1.395e-02
7
Slope: -2.206e-04 STD: 1.445e-02

Slope: -2.206e-04 STD: 1.445e-02

Slope: 6.044e-04 STD: 7.452e-04

Slope: 7.452e-04 STD: 1.523e-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
32.167e-051.713e-051.039e-02 753.414e-023.284e-02317604100.000.000.00
41.996e-051.890e-051.007e-02 753.673e-023.690e-02317593100.000.000.00
52.182e-051.780e-058.493e-03 754.215e-024.205e-02317600100.000.000.00
62.022e-052.091e-058.814e-03 744.847e-024.927e-02317578100.000.000.00
72.148e-051.899e-059.133e-03 755.238e-025.358e-02317509100.000.000.00
AVG1.314e-051.172e-055.862e-03 462.673e-022.683e-0219848562.500.000.00

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+001.305e-01 801.041e-021.224e-02317604100.000.000.00
10.000e+000.000e+001.263e-01 801.148e-021.460e-02317605100.000.000.00
20.000e+000.000e+001.260e-01 801.125e-021.393e-02317615100.000.000.00
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+004.786e-02 304.142e-035.096e-0311910337.500.000.00

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.