Observation information
- date-obs: 2019-06-19
- time-obs: 06:51:20.776500000
- date-end: 2019-06-19
- time-end: 08:59:58.773800000
- obs_id: A05_180T01_9000002992
- exposure: 3328.13043398
- 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_20133cztM0_level2.evt
| modeM0/AS1A05_180T01_9000002992_20133cztM0_level2_quad_clean.evt
|
| Size (bytes) | 519,226,560 | 92,747,520 |
| Size | 495.2 MB
| 88.5 MB
|
| Events in quadrant A | 4,235,482 | 593,940 |
| Events in quadrant B | 3,570,577 | 616,714 |
| Events in quadrant C | 3,685,411 | 574,882 |
| Events in quadrant D | 3,797,256 | 574,630 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13 | 0 |
| B | 0 | 13 | 0 |
| C | 0 | 13 | 0 |
| D | 0 | 13 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 16549 | 2 |
| B | 0 | 14422 | 2 |
| C | 0 | 14866 | 2 |
| D | 0 | 15204 | 2 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 132 | 0 |
| B | 0 | 132 | 0 |
| C | 0 | 132 | 0 |
| D | 0 | 132 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6423 | 345 | 5.371322% |
| B | 6423 | 105 | 1.634750% |
| C | 6423 | 138 | 2.148529% |
| D | 6423 | 136 | 2.117391% |
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 | 7718 | 6423 | 172 | 172 | 2.23% | 2.68% |  |
| B | 7718 | 6424 | 0 | 0 | 0.00% | 0.00% |  |
| C | 7718 | 6424 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7718 | 6424 | 57 | 57 | 0.74% | 0.89% |  |
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 | 759253 | 4245.81 | 902 | 891 | 178.6 |
| A | 0 | 226 | 7846 | 38.94 | 902 | 891 | 178.6 |
| A | 13 | 254 | 7004 | 34.22 | 902 | 891 | 178.6 |
| B | 12 | 111 | 19426 | 111.12 | 900 | 882 | 166.9 |
| B | 0 | 214 | 19003 | 108.59 | 900 | 882 | 166.9 |
| B | 11 | 111 | 17237 | 98.01 | 900 | 882 | 166.9 |
| C | 3 | 233 | 201220 | 1026.4 | 852 | 860 | 195.2 |
| C | 14 | 238 | 139552 | 710.49 | 852 | 860 | 195.2 |
| C | 0 | 207 | 14235 | 68.52 | 852 | 860 | 195.2 |
| D | 1 | 52 | 217919 | 1031.84 | 876 | 855 | 210.4 |
| D | 11 | 176 | 180302 | 853.02 | 876 | 855 | 210.4 |
| D | 7 | 96 | 30427 | 140.57 | 876 | 855 | 210.4 |
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 |  |