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ACA Trending: Oct 2025

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

ACIS
Slope: -1.217e-02 STD: 6.286e-02

Slope: -4.682e-03 STD: 6.127e-02

Slope: 2.305e-02 STD: 8.654e-02
 

Slope: 8.410e-03 STD: 5.230e-02

Slope: -6.645e-04 STD: 4.956e-02

Slope: 1.340e-03 STD: 4.873e-02
 
HRCI
Slope: nan STD: nan

Slope: nan STD: nan

Slope: nan STD: nan

Slope: nan STD: nan
HRCS
Slope: nan STD: nan

Slope: 1.483e-02 STD: 8.476e-03

Slope: nan STD: nan

Slope: 2.110e-03 STD: 1.699e-03
IDID StringMagnitudeData Quality (%)Total Data
AverageMinMaxGoodMarginalBad
1 ACIS-1 7.260 6.950 7.351 100 0 0 10
2 ACIS-2 7.100 6.575 7.259 100 0 0 11
3 ACIS-3 7.406 6.966 7.555 100 0 0 5
4 ACIS-4 7.205 7.023 7.326 100 0 0 12
5 ACIS-5 7.219 6.938 7.329 100 0 0 19
6 ACIS-6 7.253 7.006 7.361 100 0 0 15
7 HRC-I-1 6.794 6.784 6.807 100 0 0 1
8 HRC-I-2 6.823 6.810 6.835 100 0 0 1
9 HRC-I-3 0.000 0.000 0.000 0 0 0 0
10 HRC-I-4 6.779 6.767 6.788 100 0 0 1
11 HRC-S-1 6.782 6.747 6.800 100 0 0 1
12 HRC-S-2 6.784 6.530 6.818 100 0 0 3
13 HRC-S-3 6.830 6.798 6.852 100 0 0 2
14 HRC-S-4 6.784 6.720 6.812 100 0 0 3

Level 1 Slot Trending: Oct 2025

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

SlotPos_ErrDelta MagnitudeAngyneaAngznea
0
Slope: #POS_SLP0# STD: #POS_STD0#

Slope: #DIFF_SLP0# STD: #DIFF_STD0#

Slope: -2.502e-04 STD: -5.225e-04

Slope: -5.225e-04 STD: 1.162e-03
1
Slope: #POS_SLP1# STD: #POS_STD1#

Slope: #DIFF_SLP1# STD: #DIFF_STD1#

Slope: -1.238e-04 STD: -2.450e-05

Slope: -2.450e-05 STD: 1.358e-03
2
Slope: #POS_SLP2# STD: #POS_STD2#

Slope: #DIFF_SLP2# STD: #DIFF_STD2#

Slope: -1.113e-04 STD: -1.062e-04

Slope: -1.062e-04 STD: 8.379e-04
3
Slope: #POS_SLP3# STD: #POS_STD3#

Slope: #DIFF_SLP3# STD: #DIFF_STD3#

Slope: 1.957e-03 STD: 5.253e-04

Slope: 5.253e-04 STD: 9.707e-03
4
Slope: #POS_SLP4# STD: #POS_STD4#

Slope: #DIFF_SLP4# STD: #DIFF_STD4#

Slope: 2.142e-03 STD: 1.305e-03

Slope: 1.305e-03 STD: 1.061e-02
5
Slope: #POS_SLP5# STD: #POS_STD5#

Slope: #DIFF_SLP5# STD: #DIFF_STD5#

Slope: 9.353e-05 STD: -3.683e-04

Slope: -3.683e-04 STD: 1.118e-02
6
Slope: #POS_SLP6# STD: #POS_STD6#

Slope: #DIFF_SLP6# STD: #DIFF_STD6#

Slope: -1.115e-03 STD: -1.808e-03

Slope: -1.808e-03 STD: 1.594e-02
7
Slope: #POS_SLP7# STD: #POS_STD7#

Slope: #DIFF_SLP7# STD: #DIFF_STD7#

Slope: 5.346e-04 STD: 1.368e-05

Slope: 1.368e-05 STD: 1.901e-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
34.395e-053.773e-051.225e-02 263.009e-023.601e-0292219100.000.000.00
44.557e-053.237e-051.544e-02 263.775e-024.423e-0292245100.000.000.00
54.292e-053.348e-051.597e-02 264.238e-024.935e-0292221100.000.000.00
63.676e-054.575e-051.702e-02 254.983e-025.637e-0292231100.000.000.00
74.541e-054.133e-051.592e-02 255.921e-026.492e-0292237100.000.000.00
AVG2.683e-052.383e-059.575e-03 162.741e-023.136e-025764462.500.000.00

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+002.264e-01 281.041e-021.223e-0292245100.000.000.00
10.000e+000.000e+002.250e-01 281.109e-021.354e-0292243100.000.000.00
20.000e+000.000e+002.231e-01 281.082e-021.352e-0292246100.000.000.00
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+008.431e-02 104.040e-034.912e-033459137.500.000.00

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.