Observation information
- date-obs: 2019-09-30
- time-obs: 16:48:06.687000000
- date-end: 2019-09-30
- time-end: 18:57:17.686400000
- obs_id: A06_002T02_9000003206
- exposure: 4721.02855374
- sourceid: Cyg X-2
- observer: sudip
- ra_pnt: 326.1715
- dec_pnt: 38.32141
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A06_002T02_9000003206_21663cztM0_level2.evt
| modeM0/AS1A06_002T02_9000003206_21663cztM0_level2_quad_clean.evt
|
| Size (bytes) | 539,199,360 | 95,250,240 |
| Size | 514.2 MB
| 90.8 MB
|
| Events in quadrant A | 3,422,675 | 617,308 |
| Events in quadrant B | 3,446,750 | 629,698 |
| Events in quadrant C | 3,244,822 | 603,957 |
| Events in quadrant D | 5,754,758 | 559,938 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14630 | 2 |
| B | 0 | 14645 | 2 |
| C | 0 | 14010 | 2 |
| D | 0 | 21736 | 2 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 9 | 0 |
| B | 0 | 10 | 0 |
| C | 0 | 10 | 0 |
| D | 0 | 10 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 138 | 0 |
| B | 0 | 138 | 0 |
| C | 0 | 138 | 0 |
| D | 0 | 138 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6794 | 65 | 0.956727% |
| B | 6794 | 66 | 0.971445% |
| C | 6794 | 81 | 1.192228% |
| D | 6794 | 438 | 6.446865% |
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 | 7714 | 6795 | 19 | 19 | 0.25% | 0.28% |  |
| B | 7714 | 6795 | 7 | 7 | 0.09% | 0.10% |  |
| C | 7714 | 6795 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7714 | 6795 | 389 | 389 | 5.04% | 5.72% |  |
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 | 15 | 236 | 247558 | 1492.73 | 820 | 802 | 165.3 |
| A | 3 | 1 | 11852 | 66.85 | 820 | 802 | 165.3 |
| A | 13 | 254 | 8786 | 48.3 | 820 | 802 | 165.3 |
| B | 3 | 64 | 54002 | 337.67 | 823 | 803 | 157.5 |
| B | 0 | 230 | 34197 | 211.96 | 823 | 803 | 157.5 |
| B | 0 | 229 | 31688 | 196.04 | 823 | 803 | 157.5 |
| C | 14 | 238 | 123864 | 656.26 | 796 | 801 | 187.5 |
| C | 10 | 22 | 7807 | 37.36 | 796 | 801 | 187.5 |
| C | 10 | 23 | 6052 | 28.0 | 796 | 801 | 187.5 |
| D | 7 | 223 | 773196 | 4066.6 | 787 | 765 | 189.9 |
| D | 1 | 52 | 756759 | 3980.06 | 787 | 765 | 189.9 |
| D | 13 | 153 | 623983 | 3281.04 | 787 | 765 | 189.9 |
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 |  |