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ACA Trending: Oct 2025

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

ACIS
Slope: 9.393e-04 STD: 7.021e-02

Slope: 1.258e-03 STD: 6.595e-02

Slope: 1.035e-03 STD: 6.833e-02
 

Slope: 1.552e-03 STD: 4.459e-02

Slope: 1.971e-03 STD: 5.731e-02

Slope: 3.077e-03 STD: 6.517e-02
 
HRCI
Slope: nan STD: nan

Slope: nan STD: nan

Slope: nan STD: nan

Slope: nan STD: nan
HRCS
Slope: 2.414e-03 STD: 1.143e-02

Slope: 2.722e-03 STD: 1.343e-02

Slope: 2.870e-03 STD: 1.145e-02

Slope: 4.350e-03 STD: 1.924e-02
IDID StringMagnitudeData Quality (%)Total Data
AverageMinMaxGoodMarginalBad
1 ACIS-1 7.253 6.331 7.431 100 0 0 39
2 ACIS-2 7.106 6.575 7.296 100 0 0 37
3 ACIS-3 7.400 6.966 7.555 100 0 0 16
4 ACIS-4 7.209 7.023 7.326 100 0 0 38
5 ACIS-5 7.222 5.810 7.408 100 0 0 59
6 ACIS-6 7.268 7.006 7.419 100 0 0 39
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 6.796 6.747 6.833 100 0 0 4
12 HRC-S-2 6.796 6.530 6.838 100 0 0 6
13 HRC-S-3 6.841 6.798 6.865 100 0 0 4
14 HRC-S-4 6.795 6.720 6.854 100 0 0 4

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: -8.125e-06 STD: -5.503e-05

Slope: -5.503e-05 STD: 9.128e-04
1
Slope: #POS_SLP1# STD: #POS_STD1#

Slope: #DIFF_SLP1# STD: #DIFF_STD1#

Slope: 1.837e-05 STD: -3.220e-06

Slope: -3.220e-06 STD: 1.210e-03
2
Slope: #POS_SLP2# STD: #POS_STD2#

Slope: #DIFF_SLP2# STD: #DIFF_STD2#

Slope: 2.678e-05 STD: 1.098e-05

Slope: 1.098e-05 STD: 9.597e-04
3
Slope: #POS_SLP3# STD: #POS_STD3#

Slope: #DIFF_SLP3# STD: #DIFF_STD3#

Slope: -5.158e-05 STD: 3.372e-05

Slope: 3.372e-05 STD: 7.340e-03
4
Slope: #POS_SLP4# STD: #POS_STD4#

Slope: #DIFF_SLP4# STD: #DIFF_STD4#

Slope: -3.834e-04 STD: -3.221e-04

Slope: -3.221e-04 STD: 1.016e-02
5
Slope: #POS_SLP5# STD: #POS_STD5#

Slope: #DIFF_SLP5# STD: #DIFF_STD5#

Slope: -4.636e-04 STD: -4.837e-04

Slope: -4.837e-04 STD: 1.115e-02
6
Slope: #POS_SLP6# STD: #POS_STD6#

Slope: #DIFF_SLP6# STD: #DIFF_STD6#

Slope: -7.300e-04 STD: -7.323e-04

Slope: -7.323e-04 STD: 1.498e-02
7
Slope: #POS_SLP7# STD: #POS_STD7#

Slope: #DIFF_SLP7# STD: #DIFF_STD7#

Slope: -5.986e-04 STD: -5.419e-04

Slope: -5.419e-04 STD: 1.694e-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
32.048e-051.909e-057.156e-03 792.920e-023.525e-02312250100.000.000.00
42.150e-051.752e-058.202e-03 793.549e-024.165e-02312275100.000.000.00
51.997e-051.961e-058.765e-03 793.966e-024.621e-02312249100.000.000.00
61.777e-052.223e-059.211e-03 784.540e-025.167e-02312261100.000.000.00
72.018e-052.037e-059.284e-03 785.256e-025.905e-02312237100.000.000.00
AVG1.249e-051.235e-055.327e-03 492.529e-022.923e-0219515962.500.000.00

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+001.295e-01 831.017e-021.173e-02312277100.000.000.00
10.000e+000.000e+001.265e-01 831.090e-021.298e-02312269100.000.000.00
20.000e+000.000e+001.254e-01 831.094e-021.343e-02312277100.000.000.00
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+004.767e-02 314.001e-034.766e-0311710237.500.000.00

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.