Observation information
- date-obs: 2019-08-08
- time-obs: 06:57:47.983300000
- date-end: 2019-08-08
- time-end: 09:00:20.983400000
- obs_id: A05_160T01_9000003078
- exposure: 2722.58187771
- 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_20873cztM0_level2.evt
| modeM0/AS1A05_160T01_9000003078_20873cztM0_level2_quad_clean.evt
|
| Size (bytes) | 581,466,240 | 70,395,840 |
| Size | 554.5 MB
| 67.1 MB
|
| Events in quadrant A | 3,252,850 | 450,267 |
| Events in quadrant B | 3,402,406 | 456,914 |
| Events in quadrant C | 3,196,095 | 421,783 |
| Events in quadrant D | 7,348,484 | 379,326 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13 | 0 |
| B | 0 | 13 | 0 |
| C | 0 | 13 | 0 |
| D | 0 | 13 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 12951 | 1 |
| B | 0 | 13571 | 1 |
| C | 0 | 12792 | 1 |
| D | 0 | 26063 | 2 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 124 | 0 |
| B | 0 | 124 | 0 |
| C | 0 | 124 | 0 |
| D | 0 | 124 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6054 | 105 | 1.734390% |
| B | 6054 | 148 | 2.444665% |
| C | 6054 | 117 | 1.932607% |
| D | 6053 | 1100 | 18.172807% |
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 | 7354 | 6055 | 0 | 0 | 0.00% | 0.00% |  |
| B | 7354 | 6055 | 11 | 11 | 0.15% | 0.18% |  |
| C | 7354 | 6055 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7353 | 6054 | 1234 | 1234 | 16.78% | 20.38% |  |
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 | 7300 | 38.51 | 846 | 830 | 168.0 |
| A | 3 | 137 | 6729 | 35.11 | 846 | 830 | 168.0 |
| A | 12 | 194 | 6086 | 31.28 | 846 | 830 | 168.0 |
| B | 3 | 64 | 45584 | 287.4 | 831 | 813 | 155.8 |
| B | 0 | 189 | 44128 | 278.05 | 831 | 813 | 155.8 |
| B | 0 | 229 | 29072 | 181.4 | 831 | 813 | 155.8 |
| C | 14 | 238 | 126514 | 685.07 | 786 | 792 | 183.5 |
| C | 13 | 61 | 5402 | 25.12 | 786 | 792 | 183.5 |
| C | 7 | 247 | 2719 | 10.5 | 786 | 792 | 183.5 |
| D | 1 | 20 | 2679848 | 14347.63 | 774 | 754 | 186.7 |
| D | 1 | 52 | 1616746 | 8654.29 | 774 | 754 | 186.7 |
| D | 1 | 239 | 44740 | 235.56 | 774 | 754 | 186.7 |
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 |  |