Observation information
- date-obs: 2025-10-15
- time-obs: 20:45:41.853600000
- date-end: 2025-10-15
- time-end: 23:13:25.829200000
- obs_id: A14_126T15_9000006516
- exposure: 3686.37678975
- sourceid: FBS1133+754
- observer: sharmila
- ra_pnt: 174.1395
- dec_pnt: 75.11491
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A14_126T15_9000006516_54366cztM0_level2.fits
| modeM0/AS1A14_126T15_9000006516_54366cztM0_level2_quad_clean.evt
|
| Size (bytes) | 906,917,760 | 85,556,160 |
| Size | 864.9 MB
| 81.6 MB
|
| Events in quadrant A | 3,516,953 | 687,528 |
| Events in quadrant B | 3,588,858 | 732,800 |
| Events in quadrant C | 13,583,222 | 339,168 |
| Events in quadrant D | 12,314,905 | 321,303 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 150 | 0 |
| B | 0 | 150 | 0 |
| C | 0 | 150 | 0 |
| D | 0 | 150 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 16022 | 2 |
| B | 0 | 16119 | 2 |
| C | 0 | 45304 | 2 |
| D | 0 | 41817 | 2 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 16 | 0 |
| B | 0 | 16 | 0 |
| C | 0 | 16 | 0 |
| D | 0 | 16 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 7319 | 91 | 1.243339% |
| B | 7320 | 87 | 1.188525% |
| C | 7320 | 3945 | 53.893443% |
| D | 7319 | 3636 | 49.678918% |
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 | 8864 | 7321 | 61 | 61 | 0.69% | 0.83% |  |
| B | 8865 | 7322 | 34 | 34 | 0.38% | 0.46% |  |
| C | 8865 | 7322 | 3620 | 3620 | 40.83% | 49.44% |  |
| D | 8864 | 7320 | 3152 | 3152 | 35.56% | 43.06% |  |
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 | 0 | 8 | 308708 | 1620.44 | 771 | 752 | 190.0 |
| A | 8 | 246 | 49518 | 256.6 | 771 | 752 | 190.0 |
| A | 15 | 174 | 42016 | 217.13 | 771 | 752 | 190.0 |
| B | 5 | 185 | 116672 | 704.12 | 766 | 736 | 164.7 |
| B | 10 | 14 | 101050 | 609.24 | 766 | 736 | 164.7 |
| B | 0 | 63 | 83108 | 500.27 | 766 | 736 | 164.7 |
| C | 1 | 241 | 6857002 | 45921.41 | 546 | 543 | 149.3 |
| C | 2 | 255 | 3119460 | 20889.07 | 546 | 543 | 149.3 |
| C | 1 | 29 | 864507 | 5786.43 | 546 | 543 | 149.3 |
| D | 8 | 176 | 9388493 | 65471.83 | 500 | 477 | 143.4 |
| D | 15 | 108 | 284164 | 1978.43 | 500 | 477 | 143.4 |
| D | 3 | 12 | 161942 | 1126.05 | 500 | 477 | 143.4 |
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 |  |