Observation information
- date-obs: 2026-04-18
- time-obs: 15:49:15.466800000
- date-end: 2026-04-18
- time-end: 17:53:51.435300000
- obs_id: A14_083T10_9000006566
- exposure: 3902.31354797
- sourceid: NGC1249
- observer: Rakshit
- ra_pnt: 47.50507
- dec_pnt: -53.33584
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A14_083T10_9000006566_57112cztM0_level2.fits
| modeM0/AS1A14_083T10_9000006566_57112cztM0_level2_quad_clean.evt
|
| Size (bytes) | 715,115,520 | 86,088,960 |
| Size | 682.0 MB
| 82.1 MB
|
| Events in quadrant A | 3,413,274 | 637,298 |
| Events in quadrant B | 4,836,682 | 620,517 |
| Events in quadrant C | 8,320,692 | 379,447 |
| Events in quadrant D | 9,383,069 | 504,042 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 8 | 0 |
| B | 0 | 8 | 0 |
| C | 0 | 8 | 0 |
| D | 0 | 8 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14999 | 1 |
| B | 0 | 19152 | 1 |
| C | 0 | 29291 | 1 |
| D | 0 | 32559 | 4 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 134 | 0 |
| B | 0 | 134 | 0 |
| C | 0 | 134 | 0 |
| D | 0 | 134 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6676 | 68 | 1.018574% |
| B | 6677 | 629 | 9.420398% |
| C | 6677 | 2753 | 41.231092% |
| D | 6676 | 977 | 14.634512% |
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 | 7476 | 6677 | 32 | 32 | 0.43% | 0.48% |  |
| B | 7477 | 6678 | 389 | 389 | 5.20% | 5.83% |  |
| C | 7477 | 6678 | 2277 | 2277 | 30.45% | 34.10% |  |
| D | 7476 | 6677 | 1094 | 1094 | 14.63% | 16.38% |  |
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 | 4 | 159 | 263635 | 1476.48 | 715 | 697 | 178.1 |
| A | 10 | 251 | 122147 | 681.98 | 715 | 697 | 178.1 |
| A | 4 | 95 | 96852 | 539.94 | 715 | 697 | 178.1 |
| B | 10 | 16 | 1081476 | 7422.26 | 676 | 652 | 145.6 |
| B | 5 | 185 | 756112 | 5187.91 | 676 | 652 | 145.6 |
| B | 4 | 171 | 66474 | 452.01 | 676 | 652 | 145.6 |
| C | 15 | 198 | 5936583 | 42362.1 | 507 | 502 | 140.1 |
| C | 12 | 252 | 202544 | 1441.85 | 507 | 502 | 140.1 |
| C | 12 | 254 | 72476 | 513.63 | 507 | 502 | 140.1 |
| D | 15 | 142 | 5423899 | 28821.89 | 657 | 625 | 188.2 |
| D | 12 | 33 | 503507 | 2672.56 | 657 | 625 | 188.2 |
| D | 8 | 160 | 489508 | 2598.16 | 657 | 625 | 188.2 |
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 |  |