Observation information
- date-obs: 2019-06-18
- time-obs: 04:56:53.802500000
- date-end: 2019-06-18
- time-end: 06:49:49.799600000
- obs_id: A05_180T01_9000002992
- exposure: 3021.26056811
- 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_20117cztM0_level2.evt
| modeM0/AS1A05_180T01_9000002992_20117cztM0_level2_quad_clean.evt
|
| Size (bytes) | 502,778,880 | 76,939,200 |
| Size | 479.5 MB
| 73.4 MB
|
| Events in quadrant A | 3,664,910 | 491,930 |
| Events in quadrant B | 3,197,074 | 515,856 |
| Events in quadrant C | 2,738,525 | 488,505 |
| Events in quadrant D | 5,258,699 | 454,790 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 18 | 6 |
| B | 0 | 14 | 2 |
| C | 0 | 12 | 0 |
| D | 0 | 15 | 3 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14669 | 502 |
| B | 0 | 13252 | 332 |
| C | 0 | 11703 | 288 |
| D | 0 | 20023 | 869 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 114 | 0 |
| B | 0 | 110 | 2 |
| C | 0 | 121 | 7 |
| D | 0 | 114 | 8 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 5398 | 371 | 6.872916% |
| B | 5421 | 43 | 0.793212% |
| C | 5430 | 54 | 0.994475% |
| D | 5366 | 1254 | 23.369363% |
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 | 6788 | 5535 | 255 | 255 | 3.76% | 4.61% |  |
| B | 6788 | 5549 | 1 | 1 | 0.01% | 0.02% |  |
| C | 6788 | 5550 | 0 | 0 | 0.00% | 0.00% |  |
| D | 6788 | 5517 | 771 | 771 | 11.36% | 13.97% |  |
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 | 991067 | 7198.93 | 686 | 677 | 137.6 |
| A | 14 | 254 | 22875 | 161.35 | 686 | 677 | 137.6 |
| A | 9 | 143 | 8455 | 56.54 | 686 | 677 | 137.6 |
| B | 10 | 245 | 396788 | 2979.51 | 696 | 682 | 132.9 |
| B | 4 | 80 | 33341 | 245.66 | 696 | 682 | 132.9 |
| B | 4 | 251 | 16248 | 117.09 | 696 | 682 | 132.9 |
| C | 14 | 238 | 107915 | 695.56 | 664 | 670 | 154.2 |
| C | 3 | 233 | 40273 | 256.85 | 664 | 670 | 154.2 |
| C | 13 | 61 | 4692 | 26.09 | 664 | 670 | 154.2 |
| D | 1 | 52 | 2908415 | 20972.76 | 573 | 559 | 138.6 |
| D | 7 | 238 | 102059 | 732.06 | 573 | 559 | 138.6 |
| D | 11 | 176 | 80488 | 576.48 | 573 | 559 | 138.6 |
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 |  |