Observation information
- date-obs: 2025-10-11
- time-obs: 06:03:51.872200000
- date-end: 2025-10-11
- time-end: 08:08:02.853600000
- obs_id: A14_126T15_9000006516
- exposure: 1446.74634773
- 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_54298cztM0_level2.fits
| modeM0/AS1A14_126T15_9000006516_54298cztM0_level2_quad_clean.evt
|
| Size (bytes) | 659,583,360 | 81,815,040 |
| Size | 629.0 MB
| 78.0 MB
|
| Events in quadrant A | 2,910,872 | 637,073 |
| Events in quadrant B | 3,757,533 | 683,781 |
| Events in quadrant C | 3,392,496 | 591,369 |
| Events in quadrant D | 13,865,497 | 126,206 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 128 | 0 |
| B | 0 | 128 | 0 |
| C | 0 | 128 | 0 |
| D | 0 | 128 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13062 | 1 |
| B | 0 | 15434 | 1 |
| C | 0 | 14758 | 1 |
| D | 0 | 45557 | 8 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 11 | 0 |
| B | 0 | 11 | 0 |
| C | 0 | 11 | 0 |
| D | 0 | 11 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6287 | 30 | 0.477175% |
| B | 6287 | 48 | 0.763480% |
| C | 6287 | 140 | 2.226817% |
| D | 6286 | 4917 | 78.221444% |
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 | 7452 | 6288 | 7 | 7 | 0.09% | 0.11% |  |
| B | 7452 | 6288 | 8 | 8 | 0.11% | 0.13% |  |
| C | 7452 | 6288 | 126 | 126 | 1.69% | 2.00% |  |
| D | 7451 | 6286 | 4363 | 4363 | 58.56% | 69.41% |  |
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 | 78 | 81542 | 486.77 | 678 | 661 | 166.2 |
| A | 11 | 3 | 66621 | 396.97 | 678 | 661 | 166.2 |
| A | 8 | 246 | 34901 | 206.07 | 678 | 661 | 166.2 |
| B | 7 | 0 | 878050 | 6201.35 | 667 | 643 | 141.5 |
| B | 5 | 172 | 63674 | 445.49 | 667 | 643 | 141.5 |
| B | 4 | 21 | 32909 | 228.05 | 667 | 643 | 141.5 |
| C | 12 | 249 | 397114 | 2238.47 | 642 | 636 | 177.1 |
| C | 14 | 254 | 374276 | 2109.53 | 642 | 636 | 177.1 |
| C | 1 | 241 | 27629 | 152.4 | 642 | 636 | 177.1 |
| D | 8 | 176 | 8957069 | 113000.63 | 273 | 259 | 79.3 |
| D | 2 | 172 | 3236957 | 40834.73 | 273 | 259 | 79.3 |
| D | 2 | 153 | 309008 | 3895.23 | 273 | 259 | 79.3 |
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 |  |