Observation information
- date-obs: 2019-08-08
- time-obs: 10:18:07.983900000
- date-end: 2019-08-08
- time-end: 12:28:07.984900000
- obs_id: A05_160T01_9000003078
- exposure: 3192.88266863
- 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_20875cztM0_level2.evt
| modeM0/AS1A05_160T01_9000003078_20875cztM0_level2_quad_clean.evt
|
| Size (bytes) | 479,511,360 | 73,342,080 |
| Size | 457.3 MB
| 69.9 MB
|
| Events in quadrant A | 3,373,731 | 448,781 |
| Events in quadrant B | 3,564,111 | 456,016 |
| Events in quadrant C | 3,347,904 | 423,590 |
| Events in quadrant D | 3,778,541 | 422,617 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 10 | 0 |
| B | 0 | 11 | 0 |
| C | 0 | 11 | 0 |
| D | 0 | 11 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14029 | 2 |
| B | 0 | 14413 | 2 |
| C | 0 | 13961 | 2 |
| D | 0 | 15321 | 2 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 138 | 0 |
| B | 0 | 138 | 0 |
| C | 0 | 138 | 0 |
| D | 0 | 138 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6736 | 96 | 1.425178% |
| B | 6736 | 145 | 2.152613% |
| C | 6736 | 136 | 2.019002% |
| D | 6736 | 143 | 2.122922% |
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 | 7556 | 6737 | 0 | 0 | 0.00% | 0.00% |  |
| B | 7556 | 6737 | 32 | 32 | 0.42% | 0.47% |  |
| C | 7556 | 6737 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7556 | 6737 | 56 | 56 | 0.74% | 0.83% |  |
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 | 5 | 203 | 12516 | 66.35 | 874 | 857 | 175.7 |
| A | 0 | 226 | 7469 | 37.63 | 874 | 857 | 175.7 |
| A | 3 | 137 | 7330 | 36.84 | 874 | 857 | 175.7 |
| B | 15 | 201 | 72560 | 429.25 | 865 | 845 | 167.1 |
| B | 0 | 189 | 49916 | 293.72 | 865 | 845 | 167.1 |
| B | 0 | 229 | 31310 | 182.35 | 865 | 845 | 167.1 |
| C | 14 | 238 | 130158 | 671.02 | 823 | 830 | 192.7 |
| C | 9 | 54 | 10502 | 50.18 | 823 | 830 | 192.7 |
| C | 13 | 61 | 5694 | 25.24 | 823 | 830 | 192.7 |
| D | 1 | 239 | 280754 | 1377.6 | 842 | 819 | 203.2 |
| D | 1 | 20 | 156121 | 764.26 | 842 | 819 | 203.2 |
| D | 1 | 52 | 110874 | 541.6 | 842 | 819 | 203.2 |
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 |  |