Observation information
- date-obs: 2025-12-28
- time-obs: 12:34:57.272900000
- date-end: 2025-12-28
- time-end: 14:44:14.257700000
- obs_id: A14_099T01_9000006536
- exposure: 6098.06067419
- sourceid: FRB20180916B
- observer: ramadevi
- ra_pnt: 29.50312
- dec_pnt: 65.71675
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A14_099T01_9000006536_55461cztM0_level2.fits
| modeM0/AS1A14_099T01_9000006536_55461cztM0_level2_quad_clean.evt
|
| Size (bytes) | 456,724,800 | 98,789,760 |
| Size | 435.6 MB
| 94.2 MB
|
| Events in quadrant A | 4,784,487 | 636,369 |
| Events in quadrant B | 3,559,875 | 701,298 |
| Events in quadrant C | 3,152,908 | 623,071 |
| Events in quadrant D | 4,895,331 | 570,339 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 12 | 0 |
| B | 0 | 12 | 0 |
| C | 0 | 12 | 0 |
| D | 0 | 12 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 132 | 0 |
| B | 0 | 132 | 0 |
| C | 0 | 132 | 0 |
| D | 0 | 132 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 18805 | 2 |
| B | 0 | 15378 | 2 |
| C | 0 | 14380 | 2 |
| D | 0 | 19121 | 3 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6607 | 522 | 7.900711% |
| B | 6607 | 225 | 3.405479% |
| C | 6608 | 140 | 2.118644% |
| D | 6607 | 475 | 7.189345% |
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 | 7757 | 6607 | 422 | 422 | 5.44% | 6.39% |  |
| B | 7757 | 6607 | 46 | 46 | 0.59% | 0.70% |  |
| C | 7758 | 6608 | 68 | 68 | 0.88% | 1.03% |  |
| D | 7757 | 6607 | 378 | 378 | 4.87% | 5.72% |  |
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 | 3 | 78 | 1918903 | 10765.39 | 714 | 695 | 178.2 |
| A | 0 | 8 | 42274 | 233.35 | 714 | 695 | 178.2 |
| A | 7 | 243 | 14490 | 77.42 | 714 | 695 | 178.2 |
| B | 5 | 236 | 453128 | 2996.27 | 711 | 685 | 151.0 |
| B | 0 | 171 | 144570 | 952.87 | 711 | 685 | 151.0 |
| B | 10 | 247 | 49577 | 323.78 | 711 | 685 | 151.0 |
| C | 13 | 3 | 351248 | 1820.81 | 701 | 693 | 192.5 |
| C | 1 | 16 | 24142 | 121.8 | 701 | 693 | 192.5 |
| C | 12 | 252 | 16958 | 84.48 | 701 | 693 | 192.5 |
| D | 8 | 160 | 622550 | 3195.15 | 691 | 659 | 194.6 |
| D | 9 | 65 | 357414 | 1832.93 | 691 | 659 | 194.6 |
| D | 6 | 239 | 351642 | 1803.28 | 691 | 659 | 194.6 |
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 |  |