Observation information
- date-obs: 2025-12-28
- time-obs: 07:09:36.312800000
- date-end: 2025-12-28
- time-end: 09:30:34.295900000
- obs_id: A14_099T01_9000006536
- exposure: 5561.42258108
- 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_55458cztM0_level2.fits
| modeM0/AS1A14_099T01_9000006536_55458cztM0_level2_quad_clean.evt
|
| Size (bytes) | 462,841,920 | 94,461,120 |
| Size | 441.4 MB
| 90.1 MB
|
| Events in quadrant A | 3,218,917 | 631,523 |
| Events in quadrant B | 3,028,424 | 683,760 |
| Events in quadrant C | 3,259,064 | 599,643 |
| Events in quadrant D | 7,111,746 | 483,869 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 18 | 1 |
| B | 0 | 18 | 0 |
| C | 0 | 18 | 1 |
| D | 0 | 19 | 2 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 134 | 0 |
| B | 0 | 134 | 0 |
| C | 0 | 134 | 0 |
| D | 0 | 134 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14414 | 2 |
| B | 0 | 13948 | 2 |
| C | 0 | 14739 | 2 |
| D | 0 | 25759 | 2 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6620 | 112 | 1.691843% |
| B | 6620 | 87 | 1.314199% |
| C | 6620 | 90 | 1.359517% |
| D | 6620 | 1119 | 16.903323% |
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 | 7651 | 6621 | 60 | 60 | 0.78% | 0.91% |  |
| B | 7651 | 6621 | 15 | 15 | 0.20% | 0.23% |  |
| C | 7651 | 6621 | 49 | 49 | 0.64% | 0.74% |  |
| D | 7651 | 6621 | 1061 | 1061 | 13.87% | 16.02% |  |
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 | 202221 | 1157.22 | 711 | 692 | 174.1 |
| A | 0 | 8 | 186329 | 1065.96 | 711 | 692 | 174.1 |
| A | 4 | 159 | 19153 | 106.01 | 711 | 692 | 174.1 |
| B | 0 | 171 | 82647 | 540.3 | 703 | 677 | 151.7 |
| B | 2 | 249 | 43115 | 279.73 | 703 | 677 | 151.7 |
| B | 5 | 236 | 21223 | 135.43 | 703 | 677 | 151.7 |
| C | 13 | 3 | 250304 | 1335.99 | 683 | 676 | 186.8 |
| C | 1 | 16 | 180062 | 960.06 | 683 | 676 | 186.8 |
| C | 12 | 252 | 83404 | 442.75 | 683 | 676 | 186.8 |
| D | 2 | 62 | 3470121 | 19393.2 | 638 | 607 | 178.9 |
| D | 8 | 160 | 460854 | 2572.6 | 638 | 607 | 178.9 |
| D | 2 | 31 | 241628 | 1347.21 | 638 | 607 | 178.9 |
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 |  |