Observation information
- date-obs: 2016-11-14
- time-obs: 12:13:17.331500000
- date-end: 2016-11-14
- time-end: 14:33:38.337900000
- obs_id: A02_104T01_9000000794
- exposure: 3370.00324623
- sourceid: 1A 0535+26
- observer: nirmal
- ra_pnt: 84.72739
- dec_pnt: 26.31579
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A02_104T01_9000000794_06120cztM0_level2.evt
| modeM0/AS1A02_104T01_9000000794_06120cztM0_level2_quad_clean.evt
|
| Size (bytes) | 469,995,840 | 69,419,520 |
| Size | 448.2 MB
| 66.2 MB
|
| Events in quadrant A | 3,472,063 | 413,841 |
| Events in quadrant B | 3,536,358 | 424,725 |
| Events in quadrant C | 3,046,443 | 420,181 |
| Events in quadrant D | 3,752,013 | 404,573 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 128 | 0 |
| B | 0 | 128 | 0 |
| C | 0 | 128 | 0 |
| D | 0 | 128 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14648 | 3 |
| B | 0 | 14781 | 2 |
| C | 0 | 13272 | 2 |
| D | 0 | 15388 | 2 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 22 | 0 |
| B | 0 | 22 | 0 |
| C | 0 | 22 | 0 |
| D | 0 | 22 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6283 | 94 | 1.496101% |
| B | 6283 | 144 | 2.291899% |
| C | 6283 | 64 | 1.018622% |
| D | 6283 | 364 | 5.793411% |
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 | 7478 | 6283 | 18 | 18 | 0.24% | 0.29% |  |
| B | 7478 | 6283 | 49 | 49 | 0.66% | 0.78% |  |
| C | 7478 | 6283 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7478 | 6283 | 292 | 292 | 3.90% | 4.65% |  |
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 | 8 | 15 | 412847 | 2545.93 | 787 | 769 | 161.9 |
| A | 13 | 251 | 18823 | 111.54 | 787 | 769 | 161.9 |
| A | 0 | 226 | 7723 | 42.96 | 787 | 769 | 161.9 |
| B | 3 | 64 | 261435 | 1694.39 | 795 | 775 | 153.8 |
| B | 15 | 204 | 57324 | 367.59 | 795 | 775 | 153.8 |
| B | 8 | 3 | 43752 | 279.37 | 795 | 775 | 153.8 |
| C | 1 | 16 | 15362 | 80.97 | 774 | 779 | 180.1 |
| C | 9 | 54 | 8448 | 42.58 | 774 | 779 | 180.1 |
| C | 13 | 61 | 6165 | 29.9 | 774 | 779 | 180.1 |
| D | 15 | 217 | 766429 | 4222.32 | 738 | 717 | 181.3 |
| D | 13 | 169 | 44278 | 240.21 | 738 | 717 | 181.3 |
| D | 8 | 195 | 39881 | 215.96 | 738 | 717 | 181.3 |
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 |  |