Observation information
- date-obs: 2019-06-13
- time-obs: 11:24:49.874900000
- date-end: 2019-06-13
- time-end: 13:34:37.871800000
- obs_id: A05_180T01_9000002986
- exposure: 2892.45422342
- 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_9000002986_20047cztM0_level2.evt
| modeM0/AS1A05_180T01_9000002986_20047cztM0_level2_quad_clean.evt
|
| Size (bytes) | 498,853,440 | 78,163,200 |
| Size | 475.7 MB
| 74.5 MB
|
| Events in quadrant A | 3,731,360 | 501,616 |
| Events in quadrant B | 3,635,075 | 495,126 |
| Events in quadrant C | 3,534,272 | 473,248 |
| Events in quadrant D | 3,792,187 | 469,714 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 124 | 0 |
| B | 0 | 124 | 0 |
| C | 0 | 124 | 0 |
| D | 0 | 124 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 16 | 0 |
| B | 0 | 17 | 0 |
| C | 0 | 17 | 0 |
| D | 0 | 17 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 15063 | 2 |
| B | 0 | 14720 | 2 |
| C | 0 | 14132 | 2 |
| D | 0 | 15176 | 2 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6119 | 158 | 2.582121% |
| B | 6119 | 140 | 2.287956% |
| C | 6119 | 145 | 2.369668% |
| D | 6119 | 142 | 2.320641% |
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 | 7449 | 6120 | 20 | 20 | 0.27% | 0.33% |  |
| B | 7449 | 6120 | 20 | 20 | 0.27% | 0.33% |  |
| C | 7449 | 6120 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7449 | 6120 | 28 | 28 | 0.38% | 0.46% |  |
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 | 194138 | 1072.72 | 913 | 899 | 180.1 |
| A | 14 | 254 | 24733 | 132.31 | 913 | 899 | 180.1 |
| A | 0 | 226 | 8012 | 39.48 | 913 | 899 | 180.1 |
| B | 4 | 80 | 55708 | 333.92 | 895 | 878 | 164.2 |
| B | 10 | 245 | 49921 | 298.68 | 895 | 878 | 164.2 |
| B | 12 | 111 | 18726 | 108.7 | 895 | 878 | 164.2 |
| C | 14 | 238 | 139504 | 702.79 | 863 | 872 | 197.3 |
| C | 5 | 4 | 18734 | 90.55 | 863 | 872 | 197.3 |
| C | 3 | 233 | 10392 | 48.26 | 863 | 872 | 197.3 |
| D | 1 | 52 | 238001 | 1117.51 | 884 | 861 | 212.2 |
| D | 12 | 218 | 185480 | 870.01 | 884 | 861 | 212.2 |
| D | 2 | 234 | 24305 | 110.48 | 884 | 861 | 212.2 |
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 |  |