Observation information
- date-obs: 2018-04-20
- time-obs: 18:56:35.165900000
- date-end: 2018-04-20
- time-end: 21:13:31.159000000
- obs_id: A04_199T01_9000002040
- exposure: 3894.20140642
- sourceid: OJ 287
- observer: goputifr
- ra_pnt: 133.7036
- dec_pnt: 20.10851
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A04_199T01_9000002040_13850cztM0_level2.evt
| modeM0/AS1A04_199T01_9000002040_13850cztM0_level2_quad_clean.evt
|
| Size (bytes) | 489,179,520 | 87,900,480 |
| Size | 466.5 MB
| 83.8 MB
|
| Events in quadrant A | 3,278,509 | 568,510 |
| Events in quadrant B | 3,243,373 | 581,818 |
| Events in quadrant C | 2,950,443 | 564,982 |
| Events in quadrant D | 4,924,508 | 516,327 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 20 | 0 |
| B | 0 | 20 | 0 |
| C | 0 | 20 | 0 |
| D | 0 | 21 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 126 | 0 |
| B | 0 | 126 | 0 |
| C | 0 | 126 | 0 |
| D | 0 | 126 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13716 | 3 |
| B | 0 | 13589 | 2 |
| C | 0 | 12781 | 2 |
| D | 0 | 18752 | 2 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6158 | 59 | 0.958103% |
| B | 6158 | 77 | 1.250406% |
| C | 6158 | 24 | 0.389737% |
| D | 6158 | 375 | 6.089639% |
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 | 7384 | 6160 | 25 | 25 | 0.34% | 0.41% |  |
| B | 7384 | 6159 | 24 | 24 | 0.33% | 0.39% |  |
| C | 7384 | 6160 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7384 | 6159 | 337 | 337 | 4.56% | 5.47% |  |
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 | 9 | 143 | 247210 | 1593.84 | 766 | 751 | 154.6 |
| A | 15 | 69 | 37484 | 237.55 | 766 | 751 | 154.6 |
| A | 8 | 15 | 21713 | 135.56 | 766 | 751 | 154.6 |
| B | 0 | 219 | 113704 | 777.77 | 771 | 752 | 145.2 |
| B | 4 | 80 | 37169 | 250.76 | 771 | 752 | 145.2 |
| B | 3 | 64 | 35516 | 239.38 | 771 | 752 | 145.2 |
| C | 3 | 233 | 25064 | 139.73 | 748 | 753 | 174.0 |
| C | 14 | 220 | 8356 | 43.7 | 748 | 753 | 174.0 |
| C | 13 | 61 | 5427 | 26.86 | 748 | 753 | 174.0 |
| D | 10 | 157 | 831421 | 4413.01 | 722 | 704 | 188.2 |
| D | 1 | 52 | 658247 | 3493.06 | 722 | 704 | 188.2 |
| D | 5 | 222 | 377808 | 2003.29 | 722 | 704 | 188.2 |
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 |  |