Observation information
- date-obs: 2019-06-21
- time-obs: 14:11:58.716200000
- date-end: 2019-06-21
- time-end: 15:46:02.713400000
- obs_id: A05_180T01_9000002992
- exposure: 3559.18599752
- 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_20167cztM0_level2.evt
| modeM0/AS1A05_180T01_9000002992_20167cztM0_level2_quad_clean.evt
|
| Size (bytes) | 346,907,520 | 79,341,120 |
| Size | 330.8 MB
| 75.7 MB
|
| Events in quadrant A | 2,482,277 | 529,892 |
| Events in quadrant B | 2,514,371 | 524,779 |
| Events in quadrant C | 2,634,317 | 499,827 |
| Events in quadrant D | 2,536,135 | 499,375 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 6 | 0 |
| B | 0 | 6 | 0 |
| C | 0 | 6 | 0 |
| D | 0 | 6 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 10462 | 1 |
| B | 0 | 10472 | 1 |
| C | 0 | 10656 | 1 |
| D | 0 | 10865 | 1 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 102 | 0 |
| B | 0 | 102 | 0 |
| C | 0 | 102 | 0 |
| D | 0 | 102 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 4969 | 141 | 2.837593% |
| B | 4970 | 131 | 2.635815% |
| C | 4970 | 168 | 3.380282% |
| D | 4970 | 132 | 2.655936% |
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 | 5644 | 4970 | 11 | 11 | 0.19% | 0.22% |  |
| B | 5645 | 4971 | 2 | 2 | 0.04% | 0.04% |  |
| C | 5645 | 4971 | 0 | 0 | 0.00% | 0.00% |  |
| D | 5645 | 4971 | 15 | 15 | 0.27% | 0.30% |  |
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 | 67533 | 525.25 | 625 | 615 | 127.4 |
| A | 10 | 253 | 5403 | 37.58 | 625 | 615 | 127.4 |
| A | 0 | 226 | 5381 | 37.41 | 625 | 615 | 127.4 |
| B | 0 | 198 | 53075 | 440.13 | 617 | 601 | 119.2 |
| B | 0 | 183 | 20222 | 164.57 | 617 | 601 | 119.2 |
| B | 12 | 111 | 13981 | 112.23 | 617 | 601 | 119.2 |
| C | 3 | 233 | 227369 | 1612.1 | 594 | 598 | 140.7 |
| C | 14 | 238 | 92425 | 652.79 | 594 | 598 | 140.7 |
| C | 13 | 61 | 4126 | 25.08 | 594 | 598 | 140.7 |
| D | 1 | 52 | 112465 | 757.52 | 607 | 591 | 147.7 |
| D | 1 | 20 | 38912 | 259.48 | 607 | 591 | 147.7 |
| D | 2 | 234 | 24325 | 160.71 | 607 | 591 | 147.7 |
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 |  |