Observation information
- date-obs: 2023-07-29
- time-obs: 06:26:48.774300000
- date-end: 2023-07-29
- time-end: 08:29:45.767900000
- obs_id: A12_102T01_9000005798
- exposure: 5228.93451363
- sourceid: 1ES 1927+654
- observer: savithri
- ra_pnt: 291.8314
- dec_pnt: 65.56506
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A12_102T01_9000005798_42354cztM0_level2.fits
| modeM0/AS1A12_102T01_9000005798_42354cztM0_level2_quad_clean.evt
|
Size (bytes) | 318,188,160 | 89,222,400 |
Size | 303.4 MB
| 85.1 MB
|
Events in quadrant A | 2,896,903 | 596,634 |
Events in quadrant B | 2,551,309 | 610,842 |
Events in quadrant C | 2,492,798 | 585,343 |
Events in quadrant D | 3,412,652 | 527,275 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 18 | 0 |
B | 0 | 19 | 0 |
C | 0 | 19 | 0 |
D | 0 | 19 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 112 | 0 |
B | 0 | 112 | 0 |
C | 0 | 112 | 0 |
D | 0 | 112 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 11826 | 2 |
B | 0 | 11418 | 2 |
C | 0 | 10930 | 2 |
D | 0 | 13922 | 2 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 5448 | 9 | 0.165198% |
B | 5448 | 36 | 0.660793% |
C | 5448 | 2 | 0.036711% |
D | 5448 | 198 | 3.634361% |
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 | 7180 | 5449 | 3 | 3 | 0.04% | 0.06% |  |
B | 7180 | 5449 | 19 | 19 | 0.26% | 0.35% |  |
C | 7180 | 5449 | 0 | 0 | 0.00% | 0.00% |  |
D | 7180 | 5449 | 160 | 160 | 2.23% | 2.94% |  |
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 | 552467 | 4475.94 | 597 | 583 | 123.3 |
A | 13 | 248 | 24781 | 196.25 | 597 | 583 | 123.3 |
A | 7 | 3 | 10798 | 82.84 | 597 | 583 | 123.3 |
B | 3 | 112 | 104732 | 907.73 | 590 | 574 | 114.7 |
B | 5 | 172 | 76165 | 658.77 | 590 | 574 | 114.7 |
B | 5 | 255 | 16053 | 134.9 | 590 | 574 | 114.7 |
C | 15 | 214 | 228682 | 1681.2 | 579 | 582 | 135.7 |
C | 7 | 247 | 6807 | 45.88 | 579 | 582 | 135.7 |
C | 15 | 111 | 4397 | 28.12 | 579 | 582 | 135.7 |
D | 13 | 249 | 282097 | 1998.71 | 573 | 558 | 140.9 |
D | 1 | 52 | 250812 | 1776.61 | 573 | 558 | 140.9 |
D | 12 | 6 | 214896 | 1521.63 | 573 | 558 | 140.9 |
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 |  |