Observation information
- date-obs: 2026-01-02
- time-obs: 03:11:38.471500000
- date-end: 2026-01-02
- time-end: 05:44:43.449400000
- obs_id: A14_099T01_9000006536
- exposure: 6520.211254
- 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_55529cztM0_level2.fits
| modeM0/AS1A14_099T01_9000006536_55529cztM0_level2_quad_clean.evt
|
| Size (bytes) | 502,873,920 | 104,607,360 |
| Size | 479.6 MB
| 99.8 MB
|
| Events in quadrant A | 3,668,730 | 688,270 |
| Events in quadrant B | 3,506,969 | 743,986 |
| Events in quadrant C | 4,138,921 | 660,789 |
| Events in quadrant D | 6,719,194 | 554,069 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 17 | 0 |
| B | 0 | 17 | 0 |
| C | 0 | 17 | 0 |
| D | 0 | 17 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 154 | 0 |
| B | 0 | 154 | 0 |
| C | 0 | 154 | 0 |
| D | 0 | 154 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 16485 | 2 |
| B | 0 | 16015 | 2 |
| C | 0 | 17674 | 2 |
| D | 0 | 25448 | 2 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 7475 | 110 | 1.471572% |
| B | 7476 | 93 | 1.243981% |
| C | 7476 | 93 | 1.243981% |
| D | 7476 | 1007 | 13.469770% |
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 | 9185 | 7477 | 60 | 60 | 0.65% | 0.80% |  |
| B | 9186 | 7478 | 21 | 21 | 0.23% | 0.28% |  |
| C | 9186 | 7478 | 67 | 67 | 0.73% | 0.90% |  |
| D | 9186 | 7478 | 864 | 864 | 9.41% | 11.55% |  |
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 | 205 | 401271 | 2043.55 | 786 | 765 | 196.0 |
| A | 4 | 159 | 48148 | 241.77 | 786 | 765 | 196.0 |
| A | 0 | 8 | 46521 | 233.47 | 786 | 765 | 196.0 |
| B | 10 | 245 | 93742 | 556.72 | 779 | 751 | 167.0 |
| B | 4 | 169 | 65855 | 389.76 | 779 | 751 | 167.0 |
| B | 0 | 171 | 51894 | 306.18 | 779 | 751 | 167.0 |
| C | 9 | 38 | 583988 | 2777.55 | 765 | 757 | 210.0 |
| C | 13 | 3 | 188984 | 896.4 | 765 | 757 | 210.0 |
| C | 15 | 178 | 179900 | 853.14 | 765 | 757 | 210.0 |
| D | 11 | 129 | 1051083 | 5218.92 | 708 | 678 | 201.3 |
| D | 7 | 70 | 697687 | 3463.07 | 708 | 678 | 201.3 |
| D | 8 | 160 | 530172 | 2630.78 | 708 | 678 | 201.3 |
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 |  |