Observation information
- date-obs: 2018-03-02
- time-obs: 22:48:15.665200000
- date-end: 2018-03-03
- time-end: 01:02:34.664100000
- obs_id: G08_031T02_9000001934
- exposure: 5368.06137376
- sourceid: NGC 4236
- observer: askpati
- ra_pnt: 184.1754
- dec_pnt: 69.4625
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1G08_031T02_9000001934_13127cztM0_level2.evt
| modeM0/AS1G08_031T02_9000001934_13127cztM0_level2_quad_clean.evt
|
| Size (bytes) | 642,899,520 | 110,508,480 |
| Size | 613.1 MB
| 105.4 MB
|
| Events in quadrant A | 3,255,230 | 766,067 |
| Events in quadrant B | 4,276,177 | 755,522 |
| Events in quadrant C | 2,897,183 | 791,449 |
| Events in quadrant D | 8,617,677 | 595,675 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 18 | 0 |
| B | 0 | 18 | 0 |
| C | 0 | 18 | 0 |
| D | 0 | 19 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13898 | 3 |
| B | 0 | 16910 | 2 |
| C | 0 | 12934 | 2 |
| D | 0 | 29986 | 2 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 126 | 0 |
| B | 0 | 126 | 0 |
| C | 0 | 126 | 0 |
| D | 0 | 126 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6269 | 44 | 0.701866% |
| B | 6269 | 560 | 8.932844% |
| C | 6269 | 9 | 0.143564% |
| D | 6269 | 1877 | 29.940979% |
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 | 7595 | 6271 | 27 | 27 | 0.36% | 0.43% |  |
| B | 7595 | 6271 | 284 | 284 | 3.74% | 4.53% |  |
| C | 7595 | 6271 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7595 | 6271 | 1686 | 1686 | 22.20% | 26.89% |  |
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 | 4 | 2 | 270462 | 1825.84 | 744 | 732 | 147.7 |
| A | 15 | 223 | 39562 | 262.85 | 744 | 732 | 147.7 |
| A | 12 | 189 | 34825 | 230.78 | 744 | 732 | 147.7 |
| B | 4 | 239 | 827600 | 6221.44 | 723 | 706 | 132.9 |
| B | 0 | 85 | 493848 | 3710.33 | 723 | 706 | 132.9 |
| B | 3 | 64 | 40482 | 299.27 | 723 | 706 | 132.9 |
| C | 14 | 225 | 9085 | 49.75 | 739 | 743 | 167.7 |
| C | 12 | 4 | 6978 | 37.18 | 739 | 743 | 167.7 |
| C | 13 | 61 | 5378 | 27.64 | 739 | 743 | 167.7 |
| D | 13 | 122 | 5027687 | 34674.51 | 611 | 594 | 145.0 |
| D | 1 | 52 | 1170851 | 8071.88 | 611 | 594 | 145.0 |
| D | 10 | 157 | 58018 | 396.08 | 611 | 594 | 145.0 |
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 |  |