Observation information
- date-obs: 2025-10-29
- time-obs: 02:24:48.903600000
- date-end: 2025-10-29
- time-end: 04:40:33.883400000
- obs_id: A14_127T09_9000006520
- exposure: 7091.80049771
- sourceid: PG0909+276
- observer: snehalata
- ra_pnt: 138.2153
- dec_pnt: 27.34205
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A14_127T09_9000006520_54563cztM0_level2.fits
| modeM0/AS1A14_127T09_9000006520_54563cztM0_level2_quad_clean.evt
|
| Size (bytes) | 521,524,800 | 110,168,640 |
| Size | 497.4 MB
| 105.1 MB
|
| Events in quadrant A | 4,068,706 | 730,247 |
| Events in quadrant B | 4,291,464 | 761,315 |
| Events in quadrant C | 4,149,393 | 690,935 |
| Events in quadrant D | 6,191,005 | 612,310 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 17467 | 3 |
| B | 0 | 18648 | 3 |
| C | 0 | 18243 | 3 |
| D | 0 | 24131 | 3 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 160 | 0 |
| B | 0 | 160 | 0 |
| C | 0 | 160 | 0 |
| D | 0 | 160 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 3 | 0 |
| B | 0 | 3 | 0 |
| C | 0 | 3 | 0 |
| D | 0 | 4 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 7778 | 205 | 2.635639% |
| B | 7778 | 399 | 5.129853% |
| C | 7777 | 235 | 3.021731% |
| D | 7777 | 717 | 9.219493% |
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 | 8003 | 7781 | 76 | 76 | 0.95% | 0.98% |  |
| B | 8003 | 7781 | 105 | 105 | 1.31% | 1.35% |  |
| C | 8002 | 7780 | 111 | 111 | 1.39% | 1.43% |  |
| D | 8002 | 7780 | 649 | 649 | 8.11% | 8.34% |  |
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 | 325496 | 1510.3 | 861 | 838 | 215.0 |
| A | 11 | 3 | 294967 | 1368.28 | 861 | 838 | 215.0 |
| A | 4 | 3 | 44808 | 204.55 | 861 | 838 | 215.0 |
| B | 2 | 249 | 459766 | 2509.5 | 845 | 813 | 182.9 |
| B | 10 | 14 | 185332 | 1008.93 | 845 | 813 | 182.9 |
| B | 0 | 213 | 83578 | 452.55 | 845 | 813 | 182.9 |
| C | 13 | 3 | 546505 | 2372.25 | 835 | 829 | 230.0 |
| C | 14 | 254 | 89344 | 384.81 | 835 | 829 | 230.0 |
| C | 4 | 5 | 86952 | 374.41 | 835 | 829 | 230.0 |
| D | 3 | 12 | 2400789 | 10278.17 | 811 | 777 | 233.5 |
| D | 15 | 94 | 200585 | 855.69 | 811 | 777 | 233.5 |
| D | 8 | 160 | 123983 | 527.64 | 811 | 777 | 233.5 |
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 |  |