Observation information
- date-obs: 2017-10-27
- time-obs: 17:26:03.690200000
- date-end: 2017-10-27
- time-end: 19:57:47.695100000
- obs_id: C03_012T01_9000001642
- exposure: 4506.94440781
- sourceid: Crab offset
- observer: arrao
- ra_pnt: 83.633
- dec_pnt: 21.0145
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1C03_012T01_9000001642_11259cztM0_level2.evt
| modeM0/AS1C03_012T01_9000001642_11259cztM0_level2_quad_clean.evt
|
| Size (bytes) | 650,508,480 | 101,191,680 |
| Size | 620.4 MB
| 96.5 MB
|
| Events in quadrant A | 4,928,377 | 652,791 |
| Events in quadrant B | 4,516,247 | 677,814 |
| Events in quadrant C | 3,369,320 | 666,744 |
| Events in quadrant D | 6,433,155 | 599,450 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 138 | 0 |
| B | 0 | 138 | 0 |
| C | 0 | 138 | 0 |
| D | 0 | 138 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 24 | 0 |
| B | 0 | 24 | 0 |
| C | 0 | 24 | 0 |
| D | 0 | 24 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 19294 | 3 |
| B | 0 | 17891 | 2 |
| C | 0 | 14291 | 2 |
| D | 0 | 23966 | 2 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6709 | 360 | 5.365926% |
| B | 6709 | 351 | 5.231778% |
| C | 6709 | 40 | 0.596214% |
| D | 6709 | 675 | 10.061112% |
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 | 9104 | 6711 | 186 | 186 | 2.04% | 2.77% |  |
| B | 9104 | 6711 | 123 | 123 | 1.35% | 1.83% |  |
| C | 9104 | 6711 | 1 | 1 | 0.01% | 0.01% |  |
| D | 9104 | 6711 | 504 | 504 | 5.54% | 7.51% |  |
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 | 238 | 623645 | 3567.6 | 860 | 848 | 174.6 |
| A | 8 | 5 | 545750 | 3121.39 | 860 | 848 | 174.6 |
| A | 8 | 15 | 120924 | 687.84 | 860 | 848 | 174.6 |
| B | 4 | 239 | 878559 | 5419.91 | 868 | 849 | 161.9 |
| B | 11 | 51 | 119632 | 733.49 | 868 | 849 | 161.9 |
| B | 15 | 204 | 30741 | 184.58 | 868 | 849 | 161.9 |
| C | 9 | 204 | 22082 | 107.74 | 856 | 866 | 196.9 |
| C | 13 | 61 | 6281 | 27.5 | 856 | 866 | 196.9 |
| C | 12 | 4 | 5254 | 22.28 | 856 | 866 | 196.9 |
| D | 4 | 95 | 857587 | 4394.03 | 812 | 792 | 195.0 |
| D | 8 | 195 | 654659 | 3353.33 | 812 | 792 | 195.0 |
| D | 12 | 157 | 603667 | 3091.81 | 812 | 792 | 195.0 |
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 |  |