Observation information
- date-obs: 2019-06-17
- time-obs: 04:26:18.828100000
- date-end: 2019-06-17
- time-end: 06:27:13.825100000
- obs_id: A05_180T01_9000002992
- exposure: 3789.59167445
- 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/AS1A05_180T01_9000002992_20102cztM0_level2.evt
| modeM0/AS1A05_180T01_9000002992_20102cztM0_level2_quad_clean.evt
|
| Size (bytes) | 465,387,840 | 91,955,520 |
| Size | 443.8 MB
| 87.7 MB
|
| Events in quadrant A | 3,714,815 | 592,977 |
| Events in quadrant B | 3,812,217 | 607,869 |
| Events in quadrant C | 3,014,668 | 578,859 |
| Events in quadrant D | 3,135,664 | 576,327 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 11 | 0 |
| B | 0 | 11 | 0 |
| C | 0 | 11 | 0 |
| D | 0 | 11 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14812 | 1 |
| B | 0 | 15756 | 1 |
| C | 0 | 12701 | 1 |
| D | 0 | 13207 | 6 |
| 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 | 6136 | 295 | 4.807692% |
| B | 6136 | 70 | 1.140808% |
| C | 6136 | 60 | 0.977836% |
| D | 6135 | 35 | 0.570497% |
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 | 7256 | 6137 | 164 | 164 | 2.26% | 2.67% |  |
| B | 7256 | 6137 | 11 | 11 | 0.15% | 0.18% |  |
| C | 7256 | 6137 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7255 | 6136 | 8 | 8 | 0.11% | 0.13% |  |
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 | 14 | 238 | 670589 | 4296.92 | 774 | 759 | 155.9 |
| A | 14 | 254 | 40973 | 257.97 | 774 | 759 | 155.9 |
| A | 14 | 237 | 11881 | 71.35 | 774 | 759 | 155.9 |
| B | 10 | 245 | 672374 | 4515.76 | 774 | 757 | 148.7 |
| B | 4 | 80 | 44924 | 296.97 | 774 | 757 | 148.7 |
| B | 0 | 198 | 38037 | 250.66 | 774 | 757 | 148.7 |
| C | 14 | 238 | 118031 | 679.11 | 740 | 747 | 172.7 |
| C | 3 | 233 | 8477 | 44.76 | 740 | 747 | 172.7 |
| C | 13 | 61 | 5148 | 25.48 | 740 | 747 | 172.7 |
| D | 7 | 238 | 137102 | 745.29 | 756 | 736 | 183.0 |
| D | 1 | 52 | 41693 | 223.84 | 756 | 736 | 183.0 |
| D | 2 | 234 | 38824 | 208.16 | 756 | 736 | 183.0 |
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 |  |