Observation information
- date-obs: 2021-11-24
- time-obs: 02:11:43.391800000
- date-end: 2021-11-24
- time-end: 04:42:24.392700000
- obs_id: T04_072T01_9000004780
- exposure: 2434.27943794
- sourceid: M31N 2008-1a
- observer: KPSingh19
- ra_pnt: 11.37
- dec_pnt: 41.90281
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1T04_072T01_9000004780_33290cztM0_level2.evt
| modeM0/AS1T04_072T01_9000004780_33290cztM0_level2_quad_clean.evt
|
| Size (bytes) | 645,053,760 | 54,316,800 |
| Size | 615.2 MB
| 51.8 MB
|
| Events in quadrant A | 2,693,842 | 336,472 |
| Events in quadrant B | 4,994,094 | 298,737 |
| Events in quadrant C | 3,239,562 | 329,289 |
| Events in quadrant D | 8,231,243 | 288,993 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 116 | 0 |
| B | 0 | 116 | 0 |
| C | 0 | 116 | 0 |
| D | 0 | 116 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 11332 | 3 |
| B | 0 | 18536 | 2 |
| C | 0 | 12864 | 2 |
| D | 0 | 28420 | 2 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 35 | 0 |
| B | 0 | 35 | 0 |
| C | 0 | 35 | 0 |
| D | 0 | 35 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 5576 | 13 | 0.233142% |
| B | 5576 | 839 | 15.046628% |
| C | 5576 | 56 | 1.004304% |
| D | 5576 | 1410 | 25.286944% |
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 | 9041 | 5578 | 1 | 1 | 0.01% | 0.02% |  |
| B | 9041 | 5577 | 599 | 599 | 6.63% | 10.74% |  |
| C | 9041 | 5578 | 41 | 41 | 0.45% | 0.74% |  |
| D | 9041 | 5578 | 1307 | 1307 | 14.46% | 23.43% |  |
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 | 12 | 16 | 26204 | 183.51 | 684 | 670 | 139.1 |
| A | 13 | 6 | 14034 | 96.04 | 684 | 670 | 139.1 |
| A | 12 | 194 | 9531 | 63.68 | 684 | 670 | 139.1 |
| B | 5 | 172 | 1816244 | 14989.33 | 635 | 620 | 121.1 |
| B | 0 | 219 | 588032 | 4849.52 | 635 | 620 | 121.1 |
| B | 0 | 230 | 19577 | 156.5 | 635 | 620 | 121.1 |
| C | 15 | 214 | 240635 | 1596.82 | 656 | 664 | 150.3 |
| C | 0 | 10 | 149982 | 993.59 | 656 | 664 | 150.3 |
| C | 10 | 49 | 143621 | 951.26 | 656 | 664 | 150.3 |
| D | 8 | 195 | 2550136 | 17067.1 | 603 | 586 | 149.4 |
| D | 12 | 6 | 1635126 | 10941.88 | 603 | 586 | 149.4 |
| D | 13 | 187 | 829388 | 5548.14 | 603 | 586 | 149.4 |
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 |  |