Observation information
- date-obs: 2020-10-27
- time-obs: 22:43:36.192700000
- date-end: 2020-10-28
- time-end: 01:06:14.188700000
- obs_id: T03_249T01_9000003934
- exposure: 4798.27401769
- 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_27485cztM0_level2.evt
| modeM0/AS1T03_249T01_9000003934_27485cztM0_level2_quad_clean.evt
|
| Size (bytes) | 449,576,640 | 103,242,240 |
| Size | 428.7 MB
| 98.5 MB
|
| Events in quadrant A | 3,140,515 | 686,679 |
| Events in quadrant B | 3,254,529 | 700,961 |
| Events in quadrant C | 3,418,732 | 654,067 |
| Events in quadrant D | 3,372,107 | 643,839 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13430 | 0 |
| B | 0 | 13798 | 0 |
| C | 0 | 14187 | 0 |
| D | 0 | 14437 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 23 | 0 |
| B | 0 | 23 | 0 |
| C | 0 | 23 | 0 |
| D | 0 | 23 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6333 | 49 | 0.773725% |
| B | 6333 | 53 | 0.836886% |
| C | 6333 | 99 | 1.563240% |
| D | 6333 | 57 | 0.900047% |
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 | 8558 | 6334 | 5 | 5 | 0.06% | 0.08% |  |
| B | 8558 | 6333 | 4 | 4 | 0.05% | 0.06% |  |
| C | 8558 | 6334 | 7 | 7 | 0.08% | 0.11% |  |
| D | 8558 | 6334 | 26 | 26 | 0.30% | 0.41% |  |
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 | 8 | 192 | 12192 | 70.45 | 808 | 793 | 161.8 |
| A | 13 | 254 | 10837 | 62.08 | 808 | 793 | 161.8 |
| A | 5 | 168 | 8507 | 47.68 | 808 | 793 | 161.8 |
| B | 3 | 64 | 37393 | 241.04 | 810 | 792 | 151.8 |
| B | 12 | 111 | 18599 | 117.27 | 810 | 792 | 151.8 |
| B | 11 | 111 | 16710 | 104.83 | 810 | 792 | 151.8 |
| C | 15 | 208 | 245276 | 1343.45 | 775 | 779 | 182.0 |
| C | 14 | 238 | 125314 | 684.29 | 775 | 779 | 182.0 |
| C | 10 | 22 | 13421 | 69.46 | 775 | 779 | 182.0 |
| D | 1 | 52 | 232251 | 1248.93 | 774 | 754 | 185.4 |
| D | 2 | 250 | 90766 | 485.62 | 774 | 754 | 185.4 |
| D | 12 | 227 | 80657 | 431.08 | 774 | 754 | 185.4 |
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 |  |