Observation information
- date-obs: 2025-12-28
- time-obs: 15:59:36.249100000
- date-end: 2025-12-28
- time-end: 18:11:21.228000000
- obs_id: A14_099T01_9000006536
- exposure: 6135.82120645
- 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_55463cztM0_level2.fits
| modeM0/AS1A14_099T01_9000006536_55463cztM0_level2_quad_clean.evt
|
| Size (bytes) | 496,759,680 | 99,541,440 |
| Size | 473.7 MB
| 94.9 MB
|
| Events in quadrant A | 3,568,049 | 669,469 |
| Events in quadrant B | 3,546,532 | 713,207 |
| Events in quadrant C | 5,833,713 | 563,703 |
| Events in quadrant D | 4,898,588 | 581,599 |
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 | 9 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 144 | 0 |
| B | 0 | 144 | 0 |
| C | 0 | 144 | 0 |
| D | 0 | 144 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 15721 | 3 |
| B | 0 | 15671 | 3 |
| C | 0 | 22303 | 3 |
| D | 0 | 19608 | 6 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6967 | 113 | 1.621932% |
| B | 6967 | 108 | 1.550165% |
| C | 6967 | 901 | 12.932396% |
| D | 6966 | 392 | 5.627333% |
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 | 7812 | 6969 | 69 | 69 | 0.88% | 0.99% |  |
| B | 7812 | 6969 | 30 | 30 | 0.38% | 0.43% |  |
| C | 7812 | 6969 | 739 | 739 | 9.46% | 10.60% |  |
| D | 7811 | 6968 | 322 | 322 | 4.12% | 4.62% |  |
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 | 393968 | 2157.87 | 742 | 720 | 182.2 |
| A | 0 | 8 | 158560 | 866.11 | 742 | 720 | 182.2 |
| A | 4 | 3 | 40616 | 218.92 | 742 | 720 | 182.2 |
| B | 5 | 236 | 244508 | 1556.78 | 731 | 704 | 156.6 |
| B | 0 | 171 | 167793 | 1066.93 | 731 | 704 | 156.6 |
| B | 10 | 247 | 75725 | 479.04 | 731 | 704 | 156.6 |
| C | 9 | 38 | 2041709 | 10885.9 | 686 | 675 | 187.5 |
| C | 13 | 3 | 1014227 | 5405.8 | 686 | 675 | 187.5 |
| C | 1 | 16 | 31137 | 162.47 | 686 | 675 | 187.5 |
| D | 11 | 129 | 721746 | 3585.65 | 711 | 680 | 201.1 |
| D | 8 | 160 | 439519 | 2182.22 | 711 | 680 | 201.1 |
| D | 6 | 239 | 286064 | 1419.13 | 711 | 680 | 201.1 |
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 |  |