Observation information
- date-obs: 2025-10-12
- time-obs: 04:28:12.671400000
- date-end: 2025-10-12
- time-end: 06:43:40.648900000
- obs_id: A14_126T15_9000006516
- exposure: 2596.82035792
- sourceid: FBS1133+754
- observer: sharmila
- ra_pnt: 174.1395
- dec_pnt: 75.11491
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A14_126T15_9000006516_54312cztM0_level2.fits
| modeM0/AS1A14_126T15_9000006516_54312cztM0_level2_quad_clean.evt
|
| Size (bytes) | 669,519,360 | 86,866,560 |
| Size | 638.5 MB
| 82.8 MB
|
| Events in quadrant A | 3,682,060 | 640,065 |
| Events in quadrant B | 3,040,869 | 710,569 |
| Events in quadrant C | 4,890,486 | 585,449 |
| Events in quadrant D | 12,657,328 | 233,990 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 136 | 0 |
| B | 0 | 136 | 0 |
| C | 0 | 136 | 0 |
| D | 0 | 136 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 15852 | 2 |
| B | 0 | 13895 | 2 |
| C | 0 | 19301 | 2 |
| D | 0 | 42140 | 2 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14 | 0 |
| B | 0 | 15 | 0 |
| C | 0 | 15 | 0 |
| D | 0 | 15 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6591 | 303 | 4.597178% |
| B | 6591 | 57 | 0.864816% |
| C | 6591 | 553 | 8.390229% |
| D | 6591 | 4241 | 64.345319% |
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 | 7746 | 6592 | 205 | 205 | 2.65% | 3.11% |  |
| B | 7746 | 6592 | 11 | 11 | 0.14% | 0.17% |  |
| C | 7746 | 6592 | 495 | 495 | 6.39% | 7.51% |  |
| D | 7745 | 6591 | 3375 | 3375 | 43.58% | 51.21% |  |
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 | 7 | 29 | 861423 | 5042.18 | 693 | 677 | 170.7 |
| A | 4 | 3 | 41993 | 242.03 | 693 | 677 | 170.7 |
| A | 3 | 110 | 36408 | 209.31 | 693 | 677 | 170.7 |
| B | 7 | 0 | 109657 | 730.66 | 700 | 676 | 149.2 |
| B | 0 | 213 | 53160 | 351.88 | 700 | 676 | 149.2 |
| B | 10 | 247 | 44400 | 293.15 | 700 | 676 | 149.2 |
| C | 14 | 254 | 1428010 | 7890.8 | 656 | 649 | 180.9 |
| C | 1 | 241 | 531089 | 2932.4 | 656 | 649 | 180.9 |
| C | 15 | 198 | 106186 | 583.43 | 656 | 649 | 180.9 |
| D | 8 | 176 | 10554139 | 90629.18 | 405 | 385 | 116.4 |
| D | 3 | 12 | 241858 | 2073.62 | 405 | 385 | 116.4 |
| D | 2 | 120 | 66705 | 569.52 | 405 | 385 | 116.4 |
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 |  |