Observation information
- date-obs: 2018-04-06
- time-obs: 01:33:15.910900000
- date-end: 2018-04-06
- time-end: 03:45:10.906500000
- obs_id: G08_038T01_9000002018
- exposure: 4418.29765062
- sourceid: Her X-1
- observer: jsyadav
- ra_pnt: 254.4575
- dec_pnt: 35.34233
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1G08_038T01_9000002018_13632cztM0_level2.evt
| modeM0/AS1G08_038T01_9000002018_13632cztM0_level2_quad_clean.evt
|
| Size (bytes) | 481,420,800 | 99,400,320 |
| Size | 459.1 MB
| 94.8 MB
|
| Events in quadrant A | 3,082,516 | 610,944 |
| Events in quadrant B | 3,318,743 | 636,567 |
| Events in quadrant C | 3,267,773 | 675,595 |
| Events in quadrant D | 4,468,779 | 633,111 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13558 | 112 |
| B | 0 | 14142 | 106 |
| C | 0 | 13771 | 116 |
| D | 0 | 17830 | 199 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 134 | 0 |
| B | 0 | 134 | 0 |
| C | 0 | 134 | 4 |
| D | 0 | 134 | 2 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13 | 0 |
| B | 0 | 13 | 0 |
| C | 0 | 13 | 0 |
| D | 0 | 14 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6517 | 22 | 0.337579% |
| B | 6520 | 33 | 0.506135% |
| C | 6515 | 24 | 0.368381% |
| D | 6493 | 73 | 1.124288% |
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 | 7763 | 6568 | 4 | 4 | 0.05% | 0.06% |  |
| B | 7763 | 6562 | 1 | 1 | 0.01% | 0.02% |  |
| C | 7763 | 6560 | 5 | 5 | 0.06% | 0.08% |  |
| D | 7763 | 6559 | 32 | 32 | 0.41% | 0.49% |  |
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 | 1 | 162 | 23973 | 145.34 | 786 | 772 | 159.6 |
| A | 3 | 0 | 12655 | 74.44 | 786 | 772 | 159.6 |
| A | 1 | 178 | 8864 | 50.69 | 786 | 772 | 159.6 |
| B | 0 | 219 | 84853 | 565.83 | 795 | 776 | 148.6 |
| B | 0 | 229 | 62760 | 417.15 | 795 | 776 | 148.6 |
| B | 0 | 182 | 23527 | 153.11 | 795 | 776 | 148.6 |
| C | 3 | 233 | 186032 | 1035.21 | 783 | 793 | 178.9 |
| C | 14 | 234 | 20389 | 109.51 | 783 | 793 | 178.9 |
| C | 0 | 207 | 6995 | 34.66 | 783 | 793 | 178.9 |
| D | 13 | 122 | 982654 | 4951.09 | 760 | 748 | 198.3 |
| D | 8 | 195 | 443682 | 2233.42 | 760 | 748 | 198.3 |
| D | 5 | 222 | 87129 | 435.56 | 760 | 748 | 198.3 |
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 |  |