Observation information
- date-obs: 2017-05-31
- time-obs: 02:13:28.286500000
- date-end: 2017-05-31
- time-end: 04:15:40.280400000
- obs_id: G07_027T01_9000001258
- exposure: 4007.71391233
- sourceid: Cygnus X-1
- observer: santoshv
- ra_pnt: 299.5903
- dec_pnt: 35.20161
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1G07_027T01_9000001258_09044cztM0_level2.evt
| modeM0/AS1G07_027T01_9000001258_09044cztM0_level2_quad_clean.evt
|
| Size (bytes) | 414,417,600 | 91,440,000 |
| Size | 395.2 MB
| 87.2 MB
|
| Events in quadrant A | 3,074,956 | 594,043 |
| Events in quadrant B | 2,941,827 | 601,308 |
| Events in quadrant C | 2,784,362 | 586,025 |
| Events in quadrant D | 3,333,915 | 561,273 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 12918 | 2 |
| B | 0 | 12666 | 1 |
| C | 0 | 12491 | 1 |
| D | 0 | 14334 | 1 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 12 | 0 |
| B | 0 | 12 | 0 |
| C | 0 | 12 | 0 |
| D | 0 | 12 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 124 | 0 |
| B | 0 | 124 | 0 |
| C | 0 | 124 | 0 |
| D | 0 | 124 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6111 | 23 | 0.376370% |
| B | 6111 | 39 | 0.638193% |
| C | 6111 | 21 | 0.343643% |
| D | 6111 | 102 | 1.669121% |
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 | 7332 | 6113 | 3 | 3 | 0.04% | 0.05% |  |
| B | 7332 | 6113 | 6 | 6 | 0.08% | 0.10% |  |
| C | 7332 | 6113 | 5 | 5 | 0.07% | 0.08% |  |
| D | 7332 | 6113 | 84 | 84 | 1.15% | 1.37% |  |
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 | 5 | 87704 | 579.86 | 737 | 724 | 150.0 |
| A | 5 | 16 | 72393 | 477.79 | 737 | 724 | 150.0 |
| A | 1 | 162 | 34371 | 224.31 | 737 | 724 | 150.0 |
| B | 12 | 32 | 37350 | 261.34 | 739 | 724 | 140.1 |
| B | 12 | 111 | 14659 | 99.43 | 739 | 724 | 140.1 |
| B | 0 | 229 | 13633 | 92.11 | 739 | 724 | 140.1 |
| C | 3 | 254 | 20660 | 121.82 | 709 | 716 | 163.7 |
| C | 13 | 61 | 5443 | 28.87 | 709 | 716 | 163.7 |
| C | 3 | 202 | 1748 | 6.3 | 709 | 716 | 163.7 |
| D | 6 | 225 | 314712 | 1866.73 | 697 | 683 | 168.2 |
| D | 2 | 14 | 288257 | 1709.47 | 697 | 683 | 168.2 |
| D | 1 | 52 | 69822 | 410.99 | 697 | 683 | 168.2 |
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 |  |