Observation information
- date-obs: 2023-12-07
- time-obs: 23:01:40.385400000
- date-end: 2023-12-08
- time-end: 01:29:01.380300000
- obs_id: A13_004T13_9000005988
- exposure: 8010.87221569
- sourceid: M31 Field 25
- observer: dleahy
- ra_pnt: 11.54583
- dec_pnt: 42.53889
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A13_004T13_9000005988_44306cztM0_level2.fits
| modeM0/AS1A13_004T13_9000005988_44306cztM0_level2_quad_clean.evt
|
Size (bytes) | 659,275,200 | 140,394,240 |
Size | 628.7 MB
| 133.9 MB
|
Events in quadrant A | 5,955,472 | 954,302 |
Events in quadrant B | 5,444,730 | 947,112 |
Events in quadrant C | 4,485,525 | 938,160 |
Events in quadrant D | 7,833,258 | 797,582 |
Level1 data integrity
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 24546 | 0 |
B | 0 | 22239 | 0 |
C | 0 | 19679 | 1 |
D | 0 | 29540 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 176 | 0 |
B | 0 | 176 | 0 |
C | 0 | 176 | 0 |
D | 0 | 176 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 8841 | 163 | 1.843683% |
B | 8842 | 420 | 4.750057% |
C | 8841 | 109 | 1.232892% |
D | 8841 | 968 | 10.948988% |
Noise dominated fraction
Noise dominated data is calculated using 1-second bins in cleaned event files. If a bin has >2000 counts, and if more than 50% of those come from <1% of pixels, then it is considered to be noise-dominated and hence unusable.
Quadrant |
# 1 sec bins |
Bins with >0 counts |
Bins with >2000 counts |
High rate bins dominated by noise |
Noise dominated (total time) |
Noise dominated (detector-on time) |
Marked lightcurve |
A | 8841 | 8841 | 5 | 5 | 0.06% | 0.06% |  |
B | 8842 | 8842 | 142 | 142 | 1.61% | 1.61% |  |
C | 8841 | 8841 | 44 | 44 | 0.50% | 0.50% |  |
D | 8841 | 8841 | 728 | 728 | 8.23% | 8.23% |  |
Top noisy pixels
Top three noisy pixels from each quadrant. If the there are fewer than three noisy pixels in the level2.evt file, extra rows are filled as -1
Pixel properties |
Quadrant properties |
Quadrant |
DetID |
PixID |
Counts |
Sigma |
Mean |
Median |
Sigma |
A | 10 | 83 | 1914689 | 8913.9 | 1020 | 993 | 214.7 |
A | 15 | 223 | 39038 | 177.21 | 1020 | 993 | 214.7 |
A | 7 | 3 | 37508 | 170.09 | 1020 | 993 | 214.7 |
B | 5 | 255 | 544760 | 2727.97 | 1008 | 975 | 199.3 |
B | 5 | 172 | 359464 | 1798.41 | 1008 | 975 | 199.3 |
B | 0 | 190 | 113113 | 562.55 | 1008 | 975 | 199.3 |
C | 14 | 254 | 214540 | 894.18 | 1007 | 1009 | 238.8 |
C | 9 | 54 | 89739 | 371.56 | 1007 | 1009 | 238.8 |
C | 3 | 233 | 86170 | 356.62 | 1007 | 1009 | 238.8 |
D | 13 | 249 | 1340339 | 5562.25 | 963 | 932 | 240.8 |
D | 1 | 52 | 480027 | 1989.57 | 963 | 932 | 240.8 |
D | 13 | 171 | 474859 | 1968.11 | 963 | 932 | 240.8 |
Detector plane histogram (DPH)
Histogram calculated using DETX and DETY for each event in the final _common_clean file
Quadrant A |
 |
 |
Quadrant B |
Quadrant D |
 |
 |
Quadrant C |
Count rate plots and images
Plot type |
Count rate plots |
Images |
Comparison with Poisson distribution
Blue bars denote a histogram of data divided into 1 sec bins.
Red curve is a Poisson curve with rate = median count rate of data. |
 |
 |
Quadrant-wise count rates
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant A
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant B
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant C
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant D
Data is divided into 100 sec bins |
 |
 |
Housekeeping plots
Parameter |
Plot |
CZT HV Monitor |  |
D_VDD |  |
Temperature 1 |  |
Veto HV Monitor |  |
Veto LLD |  |
Alpha Counter |  |
_CPM_Rate |  |
CZT Counter |  |
+2.5 Volts monitor |  |
+5 Volts monitor |  |
_ROLL_ROT |  |
_Roll_DEC |  |
_Roll_RA |  |
Veto Counter |  |