Observation information
- date-obs: 2021-10-27
- time-obs: 05:16:48.661300000
- date-end: 2021-10-27
- time-end: 07:54:57.666900000
- obs_id: A11_005T04_9000004742
- exposure: 3241.40421572
- 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_32877cztM0_level2.evt
| modeM0/AS1A11_005T04_9000004742_32877cztM0_level2_quad_clean.evt
|
| Size (bytes) | 534,810,240 | 70,038,720 |
| Size | 510.0 MB
| 66.8 MB
|
| Events in quadrant A | 2,863,928 | 438,489 |
| Events in quadrant B | 4,341,898 | 426,329 |
| Events in quadrant C | 3,183,673 | 439,178 |
| Events in quadrant D | 5,392,637 | 389,018 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 33 | 0 |
| B | 0 | 33 | 0 |
| C | 0 | 33 | 0 |
| D | 0 | 33 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 12407 | 3 |
| B | 0 | 16753 | 2 |
| C | 0 | 13342 | 2 |
| D | 0 | 20232 | 2 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 128 | 0 |
| B | 0 | 128 | 0 |
| C | 0 | 128 | 0 |
| D | 0 | 128 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6113 | 5 | 0.081793% |
| B | 6113 | 456 | 7.459513% |
| C | 6113 | 67 | 1.096025% |
| D | 6113 | 461 | 7.541305% |
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 | 9489 | 6115 | 5 | 5 | 0.05% | 0.08% |  |
| B | 9489 | 6115 | 309 | 309 | 3.26% | 5.05% |  |
| C | 9489 | 6115 | 59 | 59 | 0.62% | 0.96% |  |
| D | 9489 | 6115 | 391 | 391 | 4.12% | 6.39% |  |
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 | 63 | 45399 | 310.45 | 718 | 703 | 144.0 |
| A | 11 | 29 | 25633 | 173.16 | 718 | 703 | 144.0 |
| A | 13 | 6 | 13373 | 88.0 | 718 | 703 | 144.0 |
| B | 5 | 172 | 1174338 | 8698.48 | 701 | 684 | 134.9 |
| B | 0 | 197 | 201641 | 1489.38 | 701 | 684 | 134.9 |
| B | 0 | 219 | 79792 | 586.3 | 701 | 684 | 134.9 |
| C | 0 | 10 | 187663 | 1150.59 | 701 | 706 | 162.5 |
| C | 3 | 233 | 140223 | 858.63 | 701 | 706 | 162.5 |
| C | 1 | 241 | 55226 | 335.53 | 701 | 706 | 162.5 |
| D | 8 | 195 | 854434 | 5083.99 | 673 | 656 | 167.9 |
| D | 12 | 218 | 587489 | 3494.42 | 673 | 656 | 167.9 |
| D | 7 | 80 | 474346 | 2820.68 | 673 | 656 | 167.9 |
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 |  |