Observation information
- date-obs: 2019-06-17
- time-obs: 14:46:17.815500000
- date-end: 2019-06-17
- time-end: 16:52:54.813300000
- obs_id: A05_180T01_9000002992
- exposure: 4112.07974583
- 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_20108cztM0_level2.evt
| modeM0/AS1A05_180T01_9000002992_20108cztM0_level2_quad_clean.evt
|
| Size (bytes) | 690,791,040 | 93,983,040 |
| Size | 658.8 MB
| 89.6 MB
|
| Events in quadrant A | 7,422,414 | 507,802 |
| Events in quadrant B | 5,697,333 | 627,278 |
| Events in quadrant C | 3,426,305 | 617,151 |
| Events in quadrant D | 3,910,177 | 615,236 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 7 | 0 |
| B | 0 | 7 | 0 |
| C | 0 | 7 | 0 |
| D | 0 | 7 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 26477 | 3 |
| B | 0 | 21398 | 2 |
| C | 0 | 14125 | 2 |
| D | 0 | 16063 | 2 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 140 | 0 |
| B | 0 | 140 | 0 |
| C | 0 | 140 | 0 |
| D | 0 | 140 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6857 | 1918 | 27.971416% |
| B | 6857 | 673 | 9.814788% |
| C | 6857 | 105 | 1.531282% |
| D | 6857 | 171 | 2.493802% |
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 | 7596 | 6854 | 1107 | 1107 | 14.57% | 16.15% |  |
| B | 7597 | 6858 | 406 | 406 | 5.34% | 5.92% |  |
| C | 7597 | 6858 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7597 | 6858 | 59 | 59 | 0.78% | 0.86% |  |
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 | 4052973 | 27391.64 | 740 | 730 | 147.9 |
| A | 14 | 254 | 377269 | 2545.26 | 740 | 730 | 147.9 |
| A | 14 | 237 | 131670 | 885.1 | 740 | 730 | 147.9 |
| B | 10 | 245 | 2292736 | 14161.06 | 846 | 826 | 161.8 |
| B | 0 | 183 | 38190 | 230.86 | 846 | 826 | 161.8 |
| B | 0 | 214 | 21820 | 129.71 | 846 | 826 | 161.8 |
| C | 14 | 238 | 132817 | 672.57 | 842 | 848 | 196.2 |
| C | 3 | 233 | 8695 | 39.99 | 842 | 848 | 196.2 |
| C | 13 | 61 | 5931 | 25.91 | 842 | 848 | 196.2 |
| D | 7 | 238 | 354837 | 1701.27 | 857 | 833 | 208.1 |
| D | 1 | 52 | 226608 | 1085.03 | 857 | 833 | 208.1 |
| D | 2 | 234 | 31538 | 147.56 | 857 | 833 | 208.1 |
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 |  |