Observation information
- date-obs: 2023-08-14
- time-obs: 22:18:28.395600000
- date-end: 2023-08-15
- time-end: 00:38:10.387500000
- obs_id: A12_061T07_9000005818
- exposure: 5062.58168918
- sourceid: NGC1808
- observer: jyoti
- ra_pnt: 76.92641
- dec_pnt: -37.51306
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A12_061T07_9000005818_42602cztM0_level2.fits
| modeM0/AS1A12_061T07_9000005818_42602cztM0_level2_quad_clean.evt
|
Size (bytes) | 305,291,520 | 88,951,680 |
Size | 291.1 MB
| 84.8 MB
|
Events in quadrant A | 2,823,439 | 597,022 |
Events in quadrant B | 2,474,047 | 611,871 |
Events in quadrant C | 2,530,457 | 586,834 |
Events in quadrant D | 3,067,264 | 533,282 |
Level1 data integrity
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 11538 | 2 |
B | 0 | 10898 | 2 |
C | 0 | 10604 | 3 |
D | 0 | 12617 | 2 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 106 | 0 |
B | 0 | 106 | 0 |
C | 0 | 106 | 0 |
D | 0 | 106 | 0 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 31 | 0 |
B | 0 | 32 | 0 |
C | 0 | 32 | 0 |
D | 0 | 32 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 5203 | 15 | 0.288295% |
B | 5203 | 30 | 0.576590% |
C | 5202 | 3 | 0.057670% |
D | 5202 | 95 | 1.826221% |
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 | 7025 | 5204 | 5 | 5 | 0.07% | 0.10% |  |
B | 7025 | 5204 | 16 | 16 | 0.23% | 0.31% |  |
C | 7024 | 5203 | 1 | 1 | 0.01% | 0.02% |  |
D | 7024 | 5203 | 89 | 89 | 1.27% | 1.71% |  |
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 | 528358 | 4461.85 | 580 | 570 | 118.3 |
A | 13 | 248 | 16818 | 137.36 | 580 | 570 | 118.3 |
A | 15 | 237 | 16618 | 135.67 | 580 | 570 | 118.3 |
B | 5 | 255 | 66593 | 590.03 | 577 | 560 | 111.9 |
B | 5 | 172 | 65892 | 583.76 | 577 | 560 | 111.9 |
B | 0 | 245 | 50913 | 449.92 | 577 | 560 | 111.9 |
C | 15 | 214 | 233898 | 1745.89 | 574 | 579 | 133.6 |
C | 9 | 54 | 18817 | 136.47 | 574 | 579 | 133.6 |
C | 3 | 233 | 18477 | 133.93 | 574 | 579 | 133.6 |
D | 2 | 249 | 350362 | 2512.51 | 567 | 549 | 139.2 |
D | 1 | 52 | 324503 | 2326.78 | 567 | 549 | 139.2 |
D | 13 | 249 | 115008 | 822.09 | 567 | 549 | 139.2 |
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 |  |