Observation information
- date-obs: 2025-11-07
- time-obs: 22:00:10.691600000
- date-end: 2025-11-08
- time-end: 00:33:01.669300000
- obs_id: A14_103T01_9000006524
- exposure: 7992.33052802
- sourceid: Gaia22ayj
- observer: snehalata
- ra_pnt: 126.308
- dec_pnt: -22.373
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A14_103T01_9000006524_54709cztM0_level2.fits
| modeM0/AS1A14_103T01_9000006524_54709cztM0_level2_quad_clean.evt
|
| Size (bytes) | 543,407,040 | 122,016,960 |
| Size | 518.2 MB
| 116.4 MB
|
| Events in quadrant A | 4,110,161 | 807,109 |
| Events in quadrant B | 5,130,375 | 845,857 |
| Events in quadrant C | 5,663,898 | 718,096 |
| Events in quadrant D | 4,540,256 | 724,205 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 174 | 0 |
| B | 0 | 174 | 0 |
| C | 0 | 174 | 0 |
| D | 0 | 174 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 18725 | 1 |
| B | 0 | 21544 | 1 |
| C | 0 | 23204 | 1 |
| D | 0 | 20002 | 2 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 5 | 0 |
| B | 0 | 5 | 0 |
| C | 0 | 5 | 0 |
| D | 0 | 5 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 8632 | 73 | 0.845690% |
| B | 8632 | 316 | 3.660797% |
| C | 8632 | 636 | 7.367933% |
| D | 8631 | 78 | 0.903719% |
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 | 9172 | 8633 | 21 | 21 | 0.23% | 0.24% |  |
| B | 9172 | 8633 | 139 | 139 | 1.52% | 1.61% |  |
| C | 9172 | 8633 | 355 | 355 | 3.87% | 4.11% |  |
| D | 9171 | 8632 | 56 | 56 | 0.61% | 0.65% |  |
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 | 11 | 3 | 154054 | 673.55 | 917 | 893 | 227.4 |
| A | 0 | 8 | 143603 | 627.59 | 917 | 893 | 227.4 |
| A | 3 | 14 | 79378 | 345.15 | 917 | 893 | 227.4 |
| B | 2 | 249 | 880720 | 4498.4 | 906 | 873 | 195.6 |
| B | 4 | 171 | 328260 | 1673.83 | 906 | 873 | 195.6 |
| B | 10 | 247 | 85304 | 431.67 | 906 | 873 | 195.6 |
| C | 15 | 219 | 1415884 | 5926.92 | 868 | 861 | 238.7 |
| C | 4 | 5 | 231631 | 966.6 | 868 | 861 | 238.7 |
| C | 13 | 3 | 209752 | 874.95 | 868 | 861 | 238.7 |
| D | 3 | 12 | 375018 | 1454.87 | 890 | 846 | 257.2 |
| D | 11 | 129 | 351874 | 1364.88 | 890 | 846 | 257.2 |
| D | 15 | 43 | 86592 | 333.4 | 890 | 846 | 257.2 |
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 |  |