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ACA Trending: Sep 2026

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

ACIS
Slope: 1.411e-03 STD: 4.692e-02

Slope: 5.128e-03 STD: 7.207e-02

Slope: -3.926e-03 STD: 5.294e-02
 

Slope: 3.351e-03 STD: 3.876e-02

Slope: -5.113e-04 STD: 5.178e-02

Slope: -6.621e-04 STD: 6.309e-02
 
HRCI
Slope: -6.962e-04 STD: 1.007e-02

Slope: 5.994e-04 STD: 1.172e-02

Slope: 1.559e-03 STD: 1.059e-02

Slope: 2.934e-03 STD: 7.114e-03
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 7.246 6.711 7.386 100 0 0 23
2 ACIS-2 7.113 6.443 7.260 100 0 0 19
3 ACIS-3 7.384 6.625 7.520 100 0 0 14
4 ACIS-4 7.196 7.014 7.290 100 0 0 17
5 ACIS-5 7.201 6.425 7.340 100 0 0 31
6 ACIS-6 7.288 7.094 7.427 100 0 0 10
7 HRC-I-1 6.811 6.722 6.844 100 0 0 10
8 HRC-I-2 6.851 6.571 6.897 100 0 0 11
9 HRC-I-3 6.872 6.083 6.913 100 0 0 9
10 HRC-I-4 6.798 6.733 6.825 100 0 0 3
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: Sep 2026

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

SlotPos_ErrDelta MagnitudeAngyneaAngznea
0
Slope: nan STD: 2.037e-01

Slope: nan STD: 2.037e-01

Slope: -2.483e-05 STD: -5.244e-05

Slope: -5.244e-05 STD: 8.266e-04
1
Slope: nan STD: 2.270e-01

Slope: nan STD: 2.270e-01

Slope: 7.053e-05 STD: 1.691e-04

Slope: 1.691e-04 STD: 1.757e-03
2
Slope: nan STD: 1.605e-01

Slope: nan STD: 1.605e-01

Slope: 2.054e-05 STD: 9.300e-05

Slope: 9.300e-05 STD: 1.289e-03
3
Slope: -1.278e-03 STD: 4.545e-02

Slope: -1.278e-03 STD: 4.545e-02

Slope: -4.291e-04 STD: 1.454e-04

Slope: 1.454e-04 STD: 1.658e-02
4
Slope: 1.912e-04 STD: 1.352e-02

Slope: 1.912e-04 STD: 1.352e-02

Slope: -2.113e-04 STD: 5.203e-04

Slope: 5.203e-04 STD: 1.218e-02
5
Slope: -6.055e-04 STD: 1.240e-02

Slope: -6.055e-04 STD: 1.240e-02

Slope: 3.570e-04 STD: 1.226e-03

Slope: 1.226e-03 STD: 1.005e-02
6
Slope: 3.202e-04 STD: 1.493e-02

Slope: 3.202e-04 STD: 1.493e-02

Slope: 8.540e-04 STD: 1.531e-03

Slope: 1.531e-03 STD: 1.482e-02
7
Slope: -1.410e-04 STD: 1.668e-02

Slope: -1.410e-04 STD: 1.668e-02

Slope: 7.860e-04 STD: 1.929e-03

Slope: 1.929e-03 STD: 1.905e-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
32.718e-052.901e-051.014e-02 453.924e-023.430e-02168694100.000.000.00
43.101e-052.476e-051.057e-02 454.236e-023.824e-02168691100.000.000.00
52.948e-052.351e-059.891e-03 454.671e-024.380e-02168671100.000.000.00
62.730e-052.430e-051.136e-02 455.220e-025.065e-02168649100.000.000.00
73.037e-052.271e-051.104e-02 435.742e-025.804e-02166059100.000.000.00
AVG1.817e-051.554e-056.626e-03 272.974e-022.813e-0210509562.500.000.00

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+001.767e-01 491.016e-021.208e-02168688100.000.000.00
10.000e+000.000e+001.710e-01 491.099e-021.378e-02168690100.000.000.00
20.000e+000.000e+001.730e-01 491.067e-021.322e-02168698100.000.000.00
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+006.510e-02 183.978e-034.885e-036325937.500.000.00

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.