Observation information
- date-obs: 2018-02-18
- time-obs: 07:41:35.769400000
- date-end: 2018-02-18
- time-end: 10:01:05.774200000
- obs_id: A04_115T02_9000001900
- exposure: 2956.66394944
- sourceid: M 87
- observer: varsha
- ra_pnt: 187.7059
- dec_pnt: 12.39112
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A04_115T02_9000001900_12940cztM0_level2.evt
| modeM0/AS1A04_115T02_9000001900_12940cztM0_level2_quad_clean.evt
|
| Size (bytes) | 531,777,600 | 75,101,760 |
| Size | 507.1 MB
| 71.6 MB
|
| Events in quadrant A | 3,785,133 | 467,304 |
| Events in quadrant B | 4,960,312 | 434,701 |
| Events in quadrant C | 3,346,156 | 468,814 |
| Events in quadrant D | 3,573,947 | 451,330 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 130 | 0 |
| B | 0 | 130 | 0 |
| C | 0 | 130 | 0 |
| D | 0 | 130 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 19 | 0 |
| B | 0 | 19 | 0 |
| C | 0 | 19 | 0 |
| D | 0 | 20 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 15388 | 3 |
| B | 0 | 18684 | 2 |
| C | 0 | 13666 | 2 |
| D | 0 | 14526 | 2 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6482 | 123 | 1.897562% |
| B | 6482 | 705 | 10.876273% |
| C | 6482 | 72 | 1.110768% |
| D | 6482 | 103 | 1.589016% |
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 | 7813 | 6484 | 4 | 4 | 0.05% | 0.06% |  |
| B | 7812 | 6483 | 410 | 410 | 5.25% | 6.32% |  |
| C | 7813 | 6484 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7813 | 6484 | 18 | 18 | 0.23% | 0.28% |  |
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 | 239 | 155980 | 878.88 | 886 | 870 | 176.5 |
| A | 1 | 162 | 82366 | 461.77 | 886 | 870 | 176.5 |
| A | 1 | 178 | 39697 | 220.0 | 886 | 870 | 176.5 |
| B | 4 | 239 | 1279468 | 8285.24 | 824 | 805 | 154.3 |
| B | 3 | 64 | 312601 | 2020.32 | 824 | 805 | 154.3 |
| B | 11 | 51 | 66998 | 428.9 | 824 | 805 | 154.3 |
| C | 13 | 61 | 6276 | 27.68 | 856 | 863 | 195.6 |
| C | 8 | 128 | 4694 | 19.59 | 856 | 863 | 195.6 |
| C | 8 | 112 | 2803 | 9.92 | 856 | 863 | 195.6 |
| D | 1 | 52 | 235716 | 1155.72 | 863 | 842 | 203.2 |
| D | 2 | 14 | 34324 | 164.75 | 863 | 842 | 203.2 |
| D | 2 | 234 | 19479 | 91.7 | 863 | 842 | 203.2 |
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 |  |