Observation information
- date-obs: 2024-06-29
- time-obs: 01:27:28.527000000
- date-end: 2024-06-29
- time-end: 03:34:40.517900000
- obs_id: A13_037T01_9000006318
- exposure: 4392.25356388
- sourceid: Cygnus X-2
- observer: ranjeev
- ra_pnt: 326.1714
- dec_pnt: 38.32141
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A13_037T01_9000006318_47332cztM0_level2.fits
| modeM0/AS1A13_037T01_9000006318_47332cztM0_level2_quad_clean.evt
|
| Size (bytes) | 651,545,280 | 101,125,440 |
| Size | 621.4 MB
| 96.4 MB
|
| Events in quadrant A | 11,679,624 | 488,776 |
| Events in quadrant B | 3,105,068 | 758,944 |
| Events in quadrant C | 2,904,368 | 711,991 |
| Events in quadrant D | 5,911,932 | 636,675 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 39444 | 2 |
| B | 0 | 13947 | 2 |
| C | 0 | 13714 | 2 |
| D | 0 | 22193 | 2 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 136 | 0 |
| B | 0 | 136 | 0 |
| C | 0 | 136 | 0 |
| D | 0 | 136 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 9 | 0 |
| B | 0 | 10 | 0 |
| C | 0 | 10 | 0 |
| D | 0 | 10 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6674 | 2643 | 39.601438% |
| B | 6674 | 59 | 0.884028% |
| C | 6674 | 17 | 0.254720% |
| D | 6674 | 266 | 3.985616% |
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 | 7619 | 6675 | 2357 | 2357 | 30.94% | 35.31% |  |
| B | 7619 | 6675 | 2 | 2 | 0.03% | 0.03% |  |
| C | 7619 | 6675 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7619 | 6675 | 198 | 198 | 2.60% | 2.97% |  |
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 | 15 | 235 | 5095848 | 35791.53 | 684 | 670 | 142.4 |
| A | 10 | 83 | 3432157 | 24104.79 | 684 | 670 | 142.4 |
| A | 9 | 191 | 490596 | 3441.53 | 684 | 670 | 142.4 |
| B | 4 | 171 | 63880 | 422.67 | 748 | 726 | 149.4 |
| B | 0 | 198 | 22012 | 142.46 | 748 | 726 | 149.4 |
| B | 12 | 111 | 19283 | 124.2 | 748 | 726 | 149.4 |
| C | 3 | 233 | 39401 | 222.47 | 731 | 734 | 173.8 |
| C | 1 | 3 | 9082 | 48.03 | 731 | 734 | 173.8 |
| C | 12 | 249 | 6258 | 31.78 | 731 | 734 | 173.8 |
| D | 6 | 112 | 1847489 | 10324.99 | 713 | 691 | 178.9 |
| D | 10 | 204 | 565066 | 3155.28 | 713 | 691 | 178.9 |
| D | 2 | 249 | 413346 | 2307.05 | 713 | 691 | 178.9 |
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 |  |