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ACA Trending: Aug 2025

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

ACIS
Slope: -1.774e-03 STD: 4.534e-02

Slope: 6.518e-04 STD: 4.467e-02

Slope: -1.059e-03 STD: 6.236e-02
 

Slope: 5.766e-04 STD: 3.396e-02

Slope: 3.613e-04 STD: 4.022e-02

Slope: 3.086e-04 STD: 8.449e-02
 
HRCI
Slope: -2.484e-04 STD: 1.470e-02

Slope: -4.866e-04 STD: 1.510e-02

Slope: 2.319e-03 STD: 1.536e-02

Slope: -5.731e-04 STD: 1.350e-02
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 7.223 6.516 7.370 100 0 0 36
2 ACIS-2 7.081 6.275 7.272 100 0 0 48
3 ACIS-3 7.417 6.717 7.560 100 0 0 8
4 ACIS-4 7.182 6.593 7.284 100 0 0 47
5 ACIS-5 7.187 6.014 7.351 100 0 0 76
6 ACIS-6 7.235 6.002 7.452 100 0 0 40
7 HRC-I-1 6.793 6.716 6.852 100 0 0 14
8 HRC-I-2 6.825 6.597 6.877 100 0 0 10
9 HRC-I-3 6.860 6.382 6.911 100 0 0 7
10 HRC-I-4 6.782 6.711 6.821 100 0 0 11
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: Aug 2025

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

SlotPos_ErrDelta MagnitudeAngyneaAngznea
0
Slope: -2.331e-03 STD: 9.822e-02

Slope: -2.331e-03 STD: 9.822e-02

Slope: 3.596e-06 STD: 1.048e-05

Slope: 1.048e-05 STD: 1.266e-03
1
Slope: 5.278e-03 STD: 1.103e-01

Slope: 5.278e-03 STD: 1.103e-01

Slope: -8.978e-06 STD: -1.014e-05

Slope: -1.014e-05 STD: 1.521e-03
2
Slope: -2.212e-03 STD: 8.076e-02

Slope: -2.212e-03 STD: 8.076e-02

Slope: 5.322e-06 STD: 5.203e-06

Slope: 5.203e-06 STD: 1.450e-03
3
Slope: 8.203e-04 STD: 6.398e-02

Slope: 8.203e-04 STD: 6.398e-02

Slope: -7.111e-05 STD: 7.822e-05

Slope: 7.822e-05 STD: 9.489e-03
4
Slope: -5.214e-04 STD: 1.353e-02

Slope: -5.214e-04 STD: 1.353e-02

Slope: 8.159e-05 STD: 2.378e-04

Slope: 2.378e-04 STD: 1.042e-02
5
Slope: -3.007e-05 STD: 1.533e-02

Slope: -3.007e-05 STD: 1.533e-02

Slope: 9.338e-05 STD: 1.580e-04

Slope: 1.580e-04 STD: 1.203e-02
6
Slope: 4.004e-05 STD: 2.129e-02

Slope: 4.004e-05 STD: 2.129e-02

Slope: -1.435e-04 STD: -4.756e-05

Slope: -4.756e-05 STD: 1.529e-02
7
Slope: -3.015e-04 STD: 1.681e-02

Slope: -3.015e-04 STD: 1.681e-02

Slope: -3.604e-04 STD: -1.943e-04

Slope: -1.943e-04 STD: 3.597e-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
31.713e-052.044e-059.442e-03 853.264e-023.610e-02483002100.000.000.00
41.978e-051.957e-057.774e-03 854.044e-024.541e-02482947100.000.000.00
51.890e-052.176e-058.069e-03 854.737e-025.178e-02483002100.000.000.00
62.128e-052.166e-058.631e-03 845.293e-025.872e-02482949100.000.000.00
72.026e-052.091e-059.045e-03 796.093e-026.657e-02479343100.000.000.00
AVG1.217e-051.304e-055.370e-03 522.929e-023.232e-0230140562.500.000.00

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+001.252e-01 999.806e-031.134e-02483007100.000.000.00
10.000e+000.000e+001.208e-01 991.045e-021.263e-02482999100.000.000.00
20.000e+000.000e+001.208e-01 991.069e-021.292e-02482986100.000.000.00
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+004.586e-02 373.868e-034.611e-0318112437.500.000.00

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
75.517e-055.344e-055.066e+00 20.000e+000.000e+00 0100.000.000.00
AVG6.896e-066.680e-066.332e-01 00.000e+000.000e+00 012.500.000.00

If you have any questions about this page, please contact swolk@cfa.harvard.edu.