Observation information
- date-obs: 2018-05-30
- time-obs: 01:18:14.104600000
- date-end: 2018-05-30
- time-end: 03:34:48.099300000
- obs_id: G08_025T01_9000002130
- exposure: 4321.20171899
- sourceid: Cyg X-2
- observer: sudip
- ra_pnt: 326.1714
- dec_pnt: 38.32142
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1G08_025T01_9000002130_14431cztM0_level2.evt
| modeM0/AS1G08_025T01_9000002130_14431cztM0_level2_quad_clean.evt
|
| Size (bytes) | 522,933,120 | 98,035,200 |
| Size | 498.7 MB
| 93.5 MB
|
| Events in quadrant A | 4,002,337 | 648,539 |
| Events in quadrant B | 3,799,386 | 650,659 |
| Events in quadrant C | 3,281,629 | 634,735 |
| Events in quadrant D | 4,334,479 | 602,900 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 16109 | 3 |
| B | 0 | 15363 | 2 |
| C | 0 | 13513 | 2 |
| D | 0 | 17070 | 2 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 126 | 0 |
| B | 0 | 126 | 0 |
| C | 0 | 126 | 0 |
| D | 0 | 126 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 19 | 0 |
| B | 0 | 19 | 0 |
| C | 0 | 19 | 0 |
| D | 0 | 20 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6188 | 65 | 1.050420% |
| B | 6188 | 169 | 2.731092% |
| C | 6188 | 34 | 0.549451% |
| D | 6188 | 181 | 2.925016% |
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 | 7534 | 6190 | 1 | 1 | 0.01% | 0.02% |  |
| B | 7534 | 6189 | 42 | 42 | 0.56% | 0.68% |  |
| C | 7534 | 6189 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7534 | 6190 | 175 | 175 | 2.32% | 2.83% |  |
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 | 8 | 15 | 944616 | 5937.98 | 791 | 779 | 158.9 |
| A | 12 | 189 | 10118 | 58.75 | 791 | 779 | 158.9 |
| A | 0 | 226 | 7096 | 39.74 | 791 | 779 | 158.9 |
| B | 0 | 85 | 342698 | 2332.65 | 790 | 773 | 146.6 |
| B | 15 | 222 | 127956 | 867.66 | 790 | 773 | 146.6 |
| B | 0 | 219 | 58917 | 396.67 | 790 | 773 | 146.6 |
| C | 3 | 233 | 291752 | 1655.15 | 767 | 772 | 175.8 |
| C | 13 | 61 | 5610 | 27.52 | 767 | 772 | 175.8 |
| C | 3 | 202 | 1804 | 5.87 | 767 | 772 | 175.8 |
| D | 13 | 122 | 606106 | 3278.05 | 748 | 731 | 184.7 |
| D | 15 | 0 | 324156 | 1751.32 | 748 | 731 | 184.7 |
| D | 10 | 199 | 204128 | 1101.38 | 748 | 731 | 184.7 |
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 |  |