Observation information
- date-obs: 2025-01-04
- time-obs: 17:01:47.442000000
- date-end: 2025-01-04
- time-end: 19:08:10.420700000
- obs_id: C09_003T01_9000006442
- exposure: 1870.79747641
- sourceid: Cas A
- observer: chandrasunil
- ra_pnt: 350.85
- dec_pnt: 58.815
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1C09_003T01_9000006442_50146cztM0_level2.fits
| modeM0/AS1C09_003T01_9000006442_50146cztM0_level2_quad_clean.evt
|
Size (bytes) | 952,712,640 | 72,092,160 |
Size | 908.6 MB
| 68.8 MB
|
Events in quadrant A | 5,388,550 | 578,294 |
Events in quadrant B | 3,675,879 | 676,711 |
Events in quadrant C | 13,360,973 | 176,007 |
Events in quadrant D | 12,336,299 | 297,046 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 11 | 0 |
B | 0 | 11 | 0 |
C | 0 | 11 | 0 |
D | 0 | 11 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 20458 | 2 |
B | 0 | 15483 | 2 |
C | 0 | 44151 | 2 |
D | 0 | 41132 | 2 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 132 | 0 |
B | 0 | 132 | 0 |
C | 0 | 132 | 0 |
D | 0 | 132 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 6518 | 695 | 10.662780% |
B | 6519 | 137 | 2.101549% |
C | 6519 | 4786 | 73.416168% |
D | 6518 | 3435 | 52.700215% |
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 | 7583 | 6518 | 489 | 489 | 6.45% | 7.50% |  |
B | 7584 | 6519 | 70 | 70 | 0.92% | 1.07% |  |
C | 7584 | 6520 | 4029 | 4029 | 53.12% | 61.79% |  |
D | 7583 | 6518 | 3262 | 3262 | 43.02% | 50.05% |  |
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 | 0 | 98 | 994694 | 6082.51 | 661 | 645 | 163.4 |
A | 10 | 253 | 389157 | 2377.28 | 661 | 645 | 163.4 |
A | 6 | 250 | 304148 | 1857.11 | 661 | 645 | 163.4 |
B | 4 | 206 | 157622 | 1100.94 | 681 | 658 | 142.6 |
B | 5 | 185 | 111533 | 777.67 | 681 | 658 | 142.6 |
B | 10 | 247 | 89697 | 624.51 | 681 | 658 | 142.6 |
C | 4 | 111 | 7617281 | 76090.89 | 344 | 342 | 100.1 |
C | 15 | 230 | 776706 | 7755.64 | 344 | 342 | 100.1 |
C | 1 | 60 | 662846 | 6618.21 | 344 | 342 | 100.1 |
D | 15 | 106 | 2679323 | 18194.22 | 512 | 494 | 147.2 |
D | 15 | 168 | 1681226 | 11415.29 | 512 | 494 | 147.2 |
D | 15 | 108 | 1070279 | 7265.83 | 512 | 494 | 147.2 |
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 |  |