Observation information
- date-obs: 2020-10-30
- time-obs: 20:45:06.869100000
- date-end: 2020-10-30
- time-end: 22:45:40.082500000
- obs_id: T03_249T01_9000003934
- exposure: 4379.56539683
- sourceid: OJ 287
- observer: pk.asat
- ra_pnt: 133.7036
- dec_pnt: 20.10851
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1T03_249T01_9000003934_27528cztM0_level2.evt
| modeM0/AS1T03_249T01_9000003934_27528cztM0_level2_quad_clean.evt
|
| Size (bytes) | 459,627,840 | 90,953,280 |
| Size | 438.3 MB
| 86.7 MB
|
| Events in quadrant A | 3,037,464 | 598,014 |
| Events in quadrant B | 3,087,600 | 604,451 |
| Events in quadrant C | 3,041,122 | 574,109 |
| Events in quadrant D | 4,341,161 | 553,654 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 12945 | 0 |
| B | 0 | 13138 | 0 |
| C | 0 | 13012 | 0 |
| D | 0 | 17196 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 12 | 0 |
| B | 0 | 12 | 0 |
| C | 0 | 12 | 0 |
| D | 0 | 12 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6078 | 40 | 0.658111% |
| B | 6079 | 42 | 0.690903% |
| C | 6079 | 67 | 1.102155% |
| D | 6079 | 272 | 4.474420% |
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 | 7233 | 6078 | 11 | 11 | 0.15% | 0.18% |  |
| B | 7234 | 6079 | 1 | 1 | 0.01% | 0.02% |  |
| C | 7234 | 6079 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7234 | 6080 | 146 | 146 | 2.02% | 2.40% |  |
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 | 64091 | 408.39 | 770 | 756 | 155.1 |
| A | 13 | 254 | 10309 | 61.6 | 770 | 756 | 155.1 |
| A | 3 | 137 | 7448 | 43.15 | 770 | 756 | 155.1 |
| B | 0 | 230 | 24687 | 161.54 | 769 | 749 | 148.2 |
| B | 0 | 244 | 22140 | 144.35 | 769 | 749 | 148.2 |
| B | 12 | 111 | 17983 | 116.3 | 769 | 749 | 148.2 |
| C | 14 | 238 | 118483 | 674.07 | 739 | 744 | 174.7 |
| C | 7 | 221 | 29120 | 162.46 | 739 | 744 | 174.7 |
| C | 2 | 16 | 11748 | 63.0 | 739 | 744 | 174.7 |
| D | 1 | 52 | 1337405 | 7776.12 | 724 | 705 | 171.9 |
| D | 11 | 176 | 74977 | 432.07 | 724 | 705 | 171.9 |
| D | 2 | 250 | 58309 | 335.1 | 724 | 705 | 171.9 |
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 |  |