Observation information
- date-obs: 2021-10-25
- time-obs: 17:13:46.597700000
- date-end: 2021-10-25
- time-end: 19:21:23.597900000
- obs_id: A11_005T04_9000004742
- exposure: 3822.56754939
- sourceid: M31 Field No. 8
- observer: dleahy
- ra_pnt: 11.36333
- dec_pnt: 41.88303
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A11_005T04_9000004742_32854cztM0_level2.evt
| modeM0/AS1A11_005T04_9000004742_32854cztM0_level2_quad_clean.evt
|
| Size (bytes) | 560,422,080 | 78,439,680 |
| Size | 534.5 MB
| 74.8 MB
|
| Events in quadrant A | 2,544,531 | 516,814 |
| Events in quadrant B | 3,118,136 | 521,686 |
| Events in quadrant C | 2,929,706 | 521,406 |
| Events in quadrant D | 8,009,030 | 431,397 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 22 | 0 |
| B | 0 | 22 | 0 |
| C | 0 | 22 | 0 |
| D | 0 | 23 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 11228 | 2 |
| B | 0 | 12936 | 1 |
| C | 0 | 12160 | 1 |
| D | 0 | 27686 | 1 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 110 | 0 |
| B | 0 | 110 | 0 |
| C | 0 | 110 | 0 |
| D | 0 | 110 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 5485 | 17 | 0.309936% |
| B | 5485 | 75 | 1.367366% |
| C | 5485 | 77 | 1.403829% |
| D | 5485 | 1306 | 23.810392% |
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 | 7156 | 5486 | 2 | 2 | 0.03% | 0.04% |  |
| B | 7156 | 5486 | 46 | 46 | 0.64% | 0.84% |  |
| C | 7156 | 5486 | 49 | 49 | 0.68% | 0.89% |  |
| D | 7156 | 5486 | 1218 | 1218 | 17.02% | 22.20% |  |
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 | 9 | 143 | 30823 | 234.99 | 639 | 625 | 128.5 |
| A | 14 | 239 | 24509 | 185.86 | 639 | 625 | 128.5 |
| A | 13 | 6 | 12749 | 94.34 | 639 | 625 | 128.5 |
| B | 0 | 219 | 248828 | 2048.26 | 641 | 626 | 121.2 |
| B | 5 | 172 | 195541 | 1608.52 | 641 | 626 | 121.2 |
| B | 15 | 85 | 63635 | 519.98 | 641 | 626 | 121.2 |
| C | 0 | 10 | 201965 | 1382.26 | 630 | 635 | 145.7 |
| C | 3 | 233 | 121511 | 829.89 | 630 | 635 | 145.7 |
| C | 1 | 23 | 55632 | 377.59 | 630 | 635 | 145.7 |
| D | 12 | 227 | 1939013 | 13296.2 | 580 | 566 | 145.8 |
| D | 8 | 195 | 1603794 | 10996.86 | 580 | 566 | 145.8 |
| D | 12 | 6 | 983803 | 6744.22 | 580 | 566 | 145.8 |
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 |  |