Observation information
- date-obs: 2026-02-11
- time-obs: 21:33:58.229400000
- date-end: 2026-02-12
- time-end: 05:06:37.159700000
- obs_id: A14_083T03_9000006548
- exposure: 23159.4024238
- sourceid: PGC014125
- observer: Rakshit
- ra_pnt: 59.02333
- dec_pnt: -49.47764
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A14_083T03_9000006548_56138cztM0_level2.fits
| modeM0/AS1A14_083T03_9000006548_56138cztM0_level2_quad_clean.evt
|
| Size (bytes) | 2,031,900,480 | 348,131,520 |
| Size | 1.9 GB
| 332.0 MB
|
| Events in quadrant A | 17,045,975 | 2,285,756 |
| Events in quadrant B | 15,072,397 | 2,465,232 |
| Events in quadrant C | 20,439,291 | 2,064,451 |
| Events in quadrant D | 20,679,526 | 1,963,734 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 68139 | 3 |
| B | 0 | 62932 | 3 |
| C | 0 | 79321 | 4 |
| D | 0 | 79901 | 3 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 516 | 0 |
| B | 0 | 516 | 0 |
| C | 0 | 516 | 0 |
| D | 0 | 516 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 17 | 0 |
| B | 0 | 17 | 0 |
| C | 0 | 17 | 0 |
| D | 0 | 17 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 25600 | 1108 | 4.328125% |
| B | 25600 | 1197 | 4.675781% |
| C | 25599 | 2528 | 9.875386% |
| D | 25599 | 2252 | 8.797219% |
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 | 27160 | 25602 | 895 | 895 | 3.30% | 3.50% |  |
| B | 27160 | 25602 | 673 | 673 | 2.48% | 2.63% |  |
| C | 27159 | 25601 | 1966 | 1966 | 7.24% | 7.68% |  |
| D | 27159 | 25601 | 2018 | 2018 | 7.43% | 7.88% |  |
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 | 14 | 2070633 | 3144.89 | 2671 | 2610 | 657.6 |
| A | 15 | 32 | 1364845 | 2071.58 | 2671 | 2610 | 657.6 |
| A | 12 | 115 | 1141073 | 1731.29 | 2671 | 2610 | 657.6 |
| B | 5 | 172 | 1670265 | 2950.71 | 2671 | 2567 | 565.2 |
| B | 5 | 185 | 914233 | 1613.04 | 2671 | 2567 | 565.2 |
| B | 4 | 171 | 546032 | 961.57 | 2671 | 2567 | 565.2 |
| C | 9 | 38 | 4044864 | 5794.67 | 2550 | 2526 | 697.6 |
| C | 15 | 147 | 3398248 | 4867.75 | 2550 | 2526 | 697.6 |
| C | 12 | 252 | 1636635 | 2342.48 | 2550 | 2526 | 697.6 |
| D | 2 | 62 | 3257954 | 4569.64 | 2552 | 2442 | 712.4 |
| D | 8 | 240 | 2427653 | 3404.17 | 2552 | 2442 | 712.4 |
| D | 11 | 129 | 1625865 | 2278.74 | 2552 | 2442 | 712.4 |
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 |  |