Observation information
- date-obs: 2025-08-20
- time-obs: 22:15:37.333600000
- date-end: 2025-08-21
- time-end: 03:53:09.273600000
- obs_id: A14_004T05_9000006502
- exposure: 10268.8080148
- sourceid: Abell 2199_F9
- observer: chandan
- ra_pnt: 247.12
- dec_pnt: 39.95
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A14_004T05_9000006502_53537cztM0_level2.fits
| modeM0/AS1A14_004T05_9000006502_53537cztM0_level2_quad_clean.evt
|
| Size (bytes) | 2,000,920,320 | 234,267,840 |
| Size | 1.9 GB
| 223.4 MB
|
| Events in quadrant A | 17,450,599 | 1,482,900 |
| Events in quadrant B | 10,377,431 | 1,844,937 |
| Events in quadrant C | 32,284,854 | 914,069 |
| Events in quadrant D | 12,503,552 | 1,554,892 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 15 | 0 |
| B | 0 | 15 | 0 |
| C | 0 | 15 | 0 |
| D | 0 | 15 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 380 | 0 |
| B | 0 | 380 | 0 |
| C | 0 | 380 | 0 |
| D | 0 | 380 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 64751 | 3 |
| B | 0 | 44059 | 3 |
| C | 0 | 108746 | 3 |
| D | 0 | 50336 | 3 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 18803 | 2685 | 14.279636% |
| B | 18803 | 381 | 2.026272% |
| C | 18802 | 9028 | 48.016168% |
| D | 18802 | 703 | 3.738964% |
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 | 20253 | 18805 | 2030 | 2030 | 10.02% | 10.80% |  |
| B | 20253 | 18805 | 173 | 173 | 0.85% | 0.92% |  |
| C | 20251 | 18801 | 8561 | 8561 | 42.27% | 45.53% |  |
| D | 20252 | 18805 | 583 | 583 | 2.88% | 3.10% |  |
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 | 63 | 6797848 | 14472.4 | 1910 | 1859 | 469.6 |
| A | 15 | 174 | 1636531 | 3481.12 | 1910 | 1859 | 469.6 |
| A | 3 | 62 | 624940 | 1326.88 | 1910 | 1859 | 469.6 |
| B | 10 | 254 | 810482 | 1902.84 | 1996 | 1923 | 424.9 |
| B | 5 | 185 | 331505 | 775.63 | 1996 | 1923 | 424.9 |
| B | 10 | 28 | 260331 | 608.13 | 1996 | 1923 | 424.9 |
| C | 1 | 241 | 17247477 | 43523.54 | 1416 | 1401 | 396.2 |
| C | 15 | 224 | 6207543 | 15662.3 | 1416 | 1401 | 396.2 |
| C | 15 | 147 | 1943726 | 4901.8 | 1416 | 1401 | 396.2 |
| D | 7 | 70 | 905924 | 1652.01 | 1944 | 1863 | 547.2 |
| D | 3 | 12 | 802678 | 1463.35 | 1944 | 1863 | 547.2 |
| D | 7 | 96 | 522995 | 952.28 | 1944 | 1863 | 547.2 |
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 |  |