Observation information
- date-obs: 2018-02-20
- time-obs: 22:14:47.748400000
- date-end: 2018-02-21
- time-end: 00:41:56.741400000
- obs_id: T02_004T01_9000001910
- exposure: 5146.20057449
- sourceid: Swift J1658.2-4242
- observer: aruberi
- ra_pnt: 254.5526
- dec_pnt: -42.69847
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1T02_004T01_9000001910_12978cztM0_level2.evt
| modeM0/AS1T02_004T01_9000001910_12978cztM0_level2_quad_clean.evt
|
| Size (bytes) | 584,017,920 | 101,810,880 |
| Size | 557.0 MB
| 97.1 MB
|
| Events in quadrant A | 4,041,140 | 656,144 |
| Events in quadrant B | 6,004,097 | 640,448 |
| Events in quadrant C | 3,362,985 | 662,723 |
| Events in quadrant D | 3,796,600 | 628,465 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 16632 | 3 |
| B | 0 | 22531 | 2 |
| C | 0 | 14677 | 2 |
| D | 0 | 16095 | 2 |
| 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 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 | 7099 | 160 | 2.253839% |
| B | 7099 | 844 | 11.888998% |
| C | 7099 | 56 | 0.788843% |
| D | 7099 | 85 | 1.197352% |
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 | 8830 | 7102 | 76 | 76 | 0.86% | 1.07% |  |
| B | 8830 | 7102 | 472 | 472 | 5.35% | 6.65% |  |
| C | 8830 | 7102 | 10 | 10 | 0.11% | 0.14% |  |
| D | 8830 | 7102 | 23 | 23 | 0.26% | 0.32% |  |
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 | 189 | 178657 | 1030.08 | 853 | 835 | 172.6 |
| A | 15 | 223 | 174475 | 1005.85 | 853 | 835 | 172.6 |
| A | 9 | 143 | 120350 | 692.32 | 853 | 835 | 172.6 |
| B | 0 | 85 | 1732355 | 10980.53 | 825 | 804 | 157.7 |
| B | 4 | 239 | 695807 | 4407.32 | 825 | 804 | 157.7 |
| B | 3 | 64 | 244829 | 1547.47 | 825 | 804 | 157.7 |
| C | 14 | 234 | 66014 | 332.34 | 840 | 846 | 196.1 |
| C | 0 | 207 | 16757 | 81.14 | 840 | 846 | 196.1 |
| C | 13 | 61 | 6117 | 26.88 | 840 | 846 | 196.1 |
| D | 1 | 52 | 463614 | 2304.69 | 829 | 805 | 200.8 |
| D | 8 | 195 | 158422 | 784.9 | 829 | 805 | 200.8 |
| D | 2 | 234 | 35336 | 171.96 | 829 | 805 | 200.8 |
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 |  |