Observation information
- date-obs: 2020-03-21
- time-obs: 20:28:03.225400000
- date-end: 2020-03-21
- time-end: 22:40:19.223400000
- obs_id: A07_118T01_9000003586
- exposure: 4251.61077321
- sourceid: NGC6822
- observer: dthilker
- ra_pnt: 296.2542
- dec_pnt: -14.81528
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A07_118T01_9000003586_24226cztM0_level2.evt
| modeM0/AS1A07_118T01_9000003586_24226cztM0_level2_quad_clean.evt
|
| Size (bytes) | 507,813,120 | 88,398,720 |
| Size | 484.3 MB
| 84.3 MB
|
| Events in quadrant A | 3,410,563 | 560,096 |
| Events in quadrant B | 3,441,451 | 573,199 |
| Events in quadrant C | 3,525,140 | 547,635 |
| Events in quadrant D | 4,554,094 | 535,895 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14318 | 2 |
| B | 0 | 14404 | 3 |
| C | 0 | 14491 | 2 |
| D | 0 | 17921 | 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 | 12 | 0 |
| B | 0 | 13 | 0 |
| C | 0 | 13 | 0 |
| D | 0 | 13 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6595 | 68 | 1.031084% |
| B | 6594 | 118 | 1.789506% |
| C | 6594 | 105 | 1.592357% |
| D | 6594 | 187 | 2.835911% |
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 | 7660 | 6595 | 12 | 12 | 0.16% | 0.18% |  |
| B | 7659 | 6594 | 27 | 27 | 0.35% | 0.41% |  |
| C | 7659 | 6594 | 3 | 3 | 0.04% | 0.05% |  |
| D | 7659 | 6594 | 85 | 85 | 1.11% | 1.29% |  |
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 | 6 | 16 | 152871 | 896.13 | 843 | 826 | 169.7 |
| A | 13 | 254 | 12037 | 66.08 | 843 | 826 | 169.7 |
| A | 3 | 1 | 9340 | 50.18 | 843 | 826 | 169.7 |
| B | 0 | 245 | 109875 | 683.91 | 839 | 820 | 159.5 |
| B | 15 | 33 | 18934 | 113.6 | 839 | 820 | 159.5 |
| B | 12 | 111 | 18833 | 112.96 | 839 | 820 | 159.5 |
| C | 14 | 238 | 127105 | 663.27 | 811 | 818 | 190.4 |
| C | 2 | 16 | 120374 | 627.91 | 811 | 818 | 190.4 |
| C | 7 | 247 | 111772 | 582.74 | 811 | 818 | 190.4 |
| D | 8 | 195 | 608172 | 3062.1 | 816 | 794 | 198.4 |
| D | 7 | 238 | 309972 | 1558.72 | 816 | 794 | 198.4 |
| D | 12 | 233 | 268829 | 1351.3 | 816 | 794 | 198.4 |
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 |  |