Observation information
- date-obs: 2025-12-24
- time-obs: 14:54:36.934100000
- date-end: 2025-12-24
- time-end: 17:04:52.919200000
- obs_id: A14_099T01_9000006536
- exposure: 5511.99791843
- 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_55403cztM0_level2.fits
| modeM0/AS1A14_099T01_9000006536_55403cztM0_level2_quad_clean.evt
|
| Size (bytes) | 450,538,560 | 97,948,800 |
| Size | 429.7 MB
| 93.4 MB
|
| Events in quadrant A | 3,677,164 | 659,015 |
| Events in quadrant B | 2,879,219 | 711,447 |
| Events in quadrant C | 2,953,422 | 632,229 |
| Events in quadrant D | 6,654,233 | 503,201 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 12 | 0 |
| B | 0 | 12 | 0 |
| C | 0 | 13 | 0 |
| D | 0 | 13 | 0 |
| 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 | 15875 | 2 |
| B | 0 | 13533 | 2 |
| C | 0 | 13832 | 2 |
| D | 0 | 24420 | 2 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6598 | 163 | 2.470446% |
| B | 6598 | 36 | 0.545620% |
| C | 6597 | 42 | 0.636653% |
| D | 6597 | 1171 | 17.750493% |
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 | 7788 | 6599 | 117 | 117 | 1.50% | 1.77% |  |
| B | 7788 | 6599 | 3 | 3 | 0.04% | 0.05% |  |
| C | 7787 | 6598 | 12 | 12 | 0.15% | 0.18% |  |
| D | 7787 | 6598 | 1159 | 1159 | 14.88% | 17.57% |  |
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 | 12 | 115 | 462142 | 2637.59 | 710 | 691 | 175.0 |
| A | 7 | 14 | 180414 | 1027.27 | 710 | 691 | 175.0 |
| A | 0 | 8 | 134055 | 762.29 | 710 | 691 | 175.0 |
| B | 5 | 236 | 30848 | 203.81 | 702 | 678 | 148.0 |
| B | 5 | 172 | 26904 | 177.17 | 702 | 678 | 148.0 |
| B | 10 | 247 | 19210 | 125.19 | 702 | 678 | 148.0 |
| C | 9 | 38 | 65403 | 339.61 | 697 | 689 | 190.6 |
| C | 12 | 2 | 47449 | 245.39 | 697 | 689 | 190.6 |
| C | 13 | 3 | 26127 | 133.49 | 697 | 689 | 190.6 |
| D | 11 | 129 | 1471210 | 8029.91 | 646 | 617 | 183.1 |
| D | 10 | 181 | 1417866 | 7738.64 | 646 | 617 | 183.1 |
| D | 8 | 160 | 667666 | 3642.3 | 646 | 617 | 183.1 |
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 |  |