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ACA Trending: Nov 2025

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

ACIS
Slope: 6.307e-04 STD: 5.480e-02

Slope: 1.478e-03 STD: 4.859e-02

Slope: 8.263e-04 STD: 4.937e-02
 

Slope: 1.213e-03 STD: 5.030e-02

Slope: 6.019e-04 STD: 4.928e-02

Slope: 1.180e-03 STD: 6.904e-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 7.248 6.610 7.364 100 0 0 38
2 ACIS-2 7.111 6.906 7.224 100 0 0 42
3 ACIS-3 7.441 7.201 7.559 100 0 0 15
4 ACIS-4 7.219 6.688 7.341 100 0 0 43
5 ACIS-5 7.225 6.442 7.329 100 0 0 75
6 ACIS-6 7.281 6.725 7.465 100 0 0 33
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: 5.266e-02

Slope: nan STD: 5.266e-02

Slope: 6.348e-07 STD: 1.115e-05

Slope: 1.115e-05 STD: 9.173e-04
1
Slope: nan STD: 5.664e-02

Slope: nan STD: 5.664e-02

Slope: 3.070e-05 STD: 2.949e-05

Slope: 2.949e-05 STD: 7.694e-04
2
Slope: nan STD: 6.236e-02

Slope: nan STD: 6.236e-02

Slope: 7.735e-07 STD: -6.215e-06

Slope: -6.215e-06 STD: 5.499e-04
3
Slope: 1.010e-03 STD: 6.614e-02

Slope: 1.010e-03 STD: 6.614e-02

Slope: 1.171e-04 STD: 9.910e-05

Slope: 9.910e-05 STD: 6.387e-03
4
Slope: -5.878e-05 STD: 2.342e-02

Slope: -5.878e-05 STD: 2.342e-02

Slope: 1.082e-04 STD: 6.850e-05

Slope: 6.850e-05 STD: 7.983e-03
5
Slope: -4.569e-04 STD: 2.475e-02

Slope: -4.569e-04 STD: 2.475e-02

Slope: 2.252e-05 STD: 3.736e-06

Slope: 3.736e-06 STD: 8.542e-03
6
Slope: -6.299e-05 STD: 1.928e-02

Slope: -6.299e-05 STD: 1.928e-02

Slope: -5.615e-05 STD: -8.057e-05

Slope: -8.057e-05 STD: 1.064e-02
7
Slope: 4.020e-04 STD: 1.844e-02

Slope: 4.020e-04 STD: 1.844e-02

Slope: -2.800e-04 STD: -2.877e-04

Slope: -2.877e-04 STD: 1.729e-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
32.096e-052.078e-058.990e-03 783.079e-023.847e-02329165100.000.000.00
42.078e-052.397e-059.007e-03 783.720e-024.461e-02329136100.000.000.00
52.328e-052.213e-058.392e-03 784.203e-024.908e-02329162100.000.000.00
62.216e-052.120e-058.753e-03 784.573e-025.397e-02329157100.000.000.00
72.387e-052.182e-058.959e-03 755.297e-026.134e-02329085100.000.000.00
AVG1.388e-051.374e-055.513e-03 482.609e-023.093e-0220571362.500.000.00

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+001.276e-01 821.001e-021.141e-02329161100.000.000.00
10.000e+000.000e+001.207e-01 821.086e-021.295e-02329155100.000.000.00
20.000e+000.000e+001.210e-01 821.084e-021.315e-02329154100.000.000.00
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+004.617e-02 303.964e-034.688e-0312343337.500.000.00

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.