Observation information
- date-obs: 2019-08-07
- time-obs: 11:25:50.976200000
- date-end: 2019-08-07
- time-end: 13:51:43.976200000
- obs_id: A05_160T01_9000003078
- exposure: 3617.81066753
- sourceid: CTA 102
- observer: raj
- ra_pnt: 338.1392
- dec_pnt: 11.72028
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A05_160T01_9000003078_20861cztM0_level2.evt
| modeM0/AS1A05_160T01_9000003078_20861cztM0_level2_quad_clean.evt
|
| Size (bytes) | 657,031,680 | 79,819,200 |
| Size | 626.6 MB
| 76.1 MB
|
| Events in quadrant A | 3,550,673 | 493,893 |
| Events in quadrant B | 3,655,493 | 504,816 |
| Events in quadrant C | 3,550,927 | 468,925 |
| Events in quadrant D | 8,656,591 | 450,254 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 16 | 0 |
| B | 0 | 16 | 0 |
| C | 0 | 16 | 0 |
| D | 0 | 16 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14905 | 2 |
| B | 0 | 15025 | 2 |
| C | 0 | 14877 | 2 |
| D | 0 | 30674 | 2 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 148 | 0 |
| B | 0 | 148 | 0 |
| C | 0 | 148 | 0 |
| D | 0 | 148 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 7163 | 161 | 2.247662% |
| B | 7163 | 179 | 2.498953% |
| C | 7163 | 211 | 2.945693% |
| D | 7164 | 788 | 10.999442% |
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 | 8753 | 7165 | 0 | 0 | 0.00% | 0.00% |  |
| B | 8753 | 7165 | 0 | 0 | 0.00% | 0.00% |  |
| C | 8753 | 7165 | 0 | 0 | 0.00% | 0.00% |  |
| D | 8754 | 7166 | 557 | 557 | 6.36% | 7.77% |  |
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 | 0 | 226 | 7856 | 37.21 | 923 | 904 | 186.8 |
| A | 3 | 137 | 7826 | 37.05 | 923 | 904 | 186.8 |
| A | 12 | 194 | 6525 | 30.09 | 923 | 904 | 186.8 |
| B | 0 | 229 | 25966 | 141.32 | 916 | 895 | 177.4 |
| B | 12 | 111 | 21781 | 117.73 | 916 | 895 | 177.4 |
| B | 0 | 189 | 20110 | 108.31 | 916 | 895 | 177.4 |
| C | 14 | 238 | 135673 | 657.16 | 873 | 879 | 205.1 |
| C | 0 | 10 | 6641 | 28.09 | 873 | 879 | 205.1 |
| C | 13 | 61 | 6178 | 25.83 | 873 | 879 | 205.1 |
| D | 1 | 239 | 3922476 | 18938.62 | 857 | 833 | 207.1 |
| D | 1 | 52 | 1117076 | 5390.62 | 857 | 833 | 207.1 |
| D | 5 | 222 | 290077 | 1396.83 | 857 | 833 | 207.1 |
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 |  |