Observation information
- date-obs: 2025-01-04
- time-obs: 03:22:39.585800000
- date-end: 2025-01-04
- time-end: 08:47:18.530300000
- obs_id: C09_003T01_9000006442
- exposure: 2976.95013458
- 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_50139cztM0_level2.fits
| modeM0/AS1C09_003T01_9000006442_50139cztM0_level2_quad_clean.evt
|
Size (bytes) | 3,317,137,920 | 154,831,680 |
Size | 3.1 GB
| 147.7 MB
|
Events in quadrant A | 30,341,042 | 918,822 |
Events in quadrant B | 13,340,580 | 1,658,794 |
Events in quadrant C | 40,947,414 | 261,084 |
Events in quadrant D | 36,759,281 | 587,904 |
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 | 102722 | 4 |
B | 0 | 52384 | 5 |
C | 0 | 134087 | 4 |
D | 0 | 121614 | 4 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 372 | 0 |
B | 0 | 372 | 0 |
C | 0 | 372 | 0 |
D | 0 | 372 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 18274 | 8496 | 46.492284% |
B | 18274 | 1620 | 8.865054% |
C | 18274 | 15738 | 86.122360% |
D | 18274 | 11598 | 63.467221% |
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 | 19479 | 18277 | 6568 | 6568 | 33.72% | 35.94% |  |
B | 19479 | 18278 | 1002 | 1002 | 5.14% | 5.48% |  |
C | 19478 | 18274 | 13599 | 13599 | 69.82% | 74.42% |  |
D | 19479 | 18276 | 10315 | 10315 | 52.95% | 56.44% |  |
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 | 9175445 | 22967.46 | 1583 | 1539 | 399.4 |
A | 8 | 8 | 6498432 | 16265.39 | 1583 | 1539 | 399.4 |
A | 6 | 250 | 4955818 | 12403.36 | 1583 | 1539 | 399.4 |
B | 1 | 255 | 2228490 | 5759.18 | 1831 | 1767 | 386.6 |
B | 2 | 176 | 610785 | 1575.16 | 1831 | 1767 | 386.6 |
B | 10 | 246 | 459693 | 1184.38 | 1831 | 1767 | 386.6 |
C | 4 | 111 | 14511866 | 62826.26 | 780 | 773 | 231.0 |
C | 15 | 197 | 4559569 | 19737.46 | 780 | 773 | 231.0 |
C | 15 | 230 | 3394889 | 14694.94 | 780 | 773 | 231.0 |
D | 15 | 168 | 9151888 | 24639.84 | 1276 | 1234 | 371.4 |
D | 7 | 61 | 4550018 | 12248.45 | 1276 | 1234 | 371.4 |
D | 15 | 106 | 2732662 | 7354.88 | 1276 | 1234 | 371.4 |
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 |  |