Observation information
- date-obs: 2019-06-17
- time-obs: 20:00:25.811100000
- date-end: 2019-06-17
- time-end: 22:10:26.809900000
- obs_id: A05_180T01_9000002992
- exposure: 5112.59781589
- 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_20111cztM0_level2.evt
| modeM0/AS1A05_180T01_9000002992_20111cztM0_level2_quad_clean.evt
|
| Size (bytes) | 709,335,360 | 109,684,800 |
| Size | 676.5 MB
| 104.6 MB
|
| Events in quadrant A | 5,703,335 | 700,442 |
| Events in quadrant B | 5,000,808 | 716,683 |
| Events in quadrant C | 3,594,764 | 721,417 |
| Events in quadrant D | 6,681,037 | 666,029 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 3 | 0 |
| B | 0 | 3 | 0 |
| C | 0 | 3 | 0 |
| D | 0 | 3 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 21890 | 1 |
| B | 0 | 19783 | 1 |
| C | 0 | 15296 | 1 |
| D | 0 | 24784 | 2 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 152 | 0 |
| B | 0 | 152 | 0 |
| C | 0 | 152 | 0 |
| D | 0 | 152 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 7416 | 846 | 11.407767% |
| B | 7417 | 453 | 6.107591% |
| C | 7417 | 90 | 1.213429% |
| D | 7416 | 1022 | 13.781014% |
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 | 7801 | 7417 | 549 | 549 | 7.04% | 7.40% |  |
| B | 7802 | 7417 | 265 | 265 | 3.40% | 3.57% |  |
| C | 7802 | 7417 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7801 | 7416 | 889 | 889 | 11.40% | 11.99% |  |
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 | 1684000 | 9508.02 | 868 | 849 | 177.0 |
| A | 14 | 254 | 645429 | 3641.19 | 868 | 849 | 177.0 |
| A | 14 | 237 | 26441 | 144.56 | 868 | 849 | 177.0 |
| B | 10 | 245 | 1470435 | 8799.37 | 879 | 858 | 167.0 |
| B | 4 | 80 | 34374 | 200.68 | 879 | 858 | 167.0 |
| B | 0 | 183 | 25216 | 145.85 | 879 | 858 | 167.0 |
| C | 14 | 238 | 137735 | 661.95 | 880 | 888 | 206.7 |
| C | 8 | 128 | 9758 | 42.91 | 880 | 888 | 206.7 |
| C | 0 | 207 | 7782 | 33.35 | 880 | 888 | 206.7 |
| D | 1 | 52 | 3403694 | 16593.02 | 839 | 817 | 205.1 |
| D | 7 | 238 | 32356 | 153.79 | 839 | 817 | 205.1 |
| D | 2 | 234 | 30146 | 143.01 | 839 | 817 | 205.1 |
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 |  |