Observation information
- date-obs: 2019-06-06
- time-obs: 17:11:30.936500000
- date-end: 2019-06-06
- time-end: 19:35:55.088700000
- obs_id: A05_160T01_9000002970
- exposure: 3795.54876027
- 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_9000002970_19947cztM0_level2.evt
| modeM0/AS1A05_160T01_9000002970_19947cztM0_level2_quad_clean.evt
|
| Size (bytes) | 531,547,200 | 86,722,560 |
| Size | 506.9 MB
| 82.7 MB
|
| Events in quadrant A | 4,048,937 | 557,326 |
| Events in quadrant B | 3,637,090 | 564,259 |
| Events in quadrant C | 4,089,452 | 534,121 |
| Events in quadrant D | 3,897,207 | 532,644 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 128 | 0 |
| B | 0 | 128 | 0 |
| C | 0 | 128 | 0 |
| D | 0 | 128 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 16114 | 2 |
| B | 0 | 14894 | 2 |
| C | 0 | 16286 | 2 |
| D | 0 | 15644 | 3 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 23 | 0 |
| B | 0 | 24 | 0 |
| C | 0 | 24 | 0 |
| D | 0 | 24 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6268 | 344 | 5.488194% |
| B | 6268 | 155 | 2.472878% |
| C | 6268 | 285 | 4.546905% |
| D | 6267 | 213 | 3.398755% |
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 | 7518 | 6268 | 190 | 190 | 2.53% | 3.03% |  |
| B | 7518 | 6268 | 26 | 26 | 0.35% | 0.41% |  |
| C | 7518 | 6268 | 79 | 79 | 1.05% | 1.26% |  |
| D | 7517 | 6267 | 119 | 119 | 1.58% | 1.90% |  |
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 | 14 | 238 | 785165 | 4650.3 | 848 | 833 | 168.7 |
| A | 0 | 226 | 7305 | 38.37 | 848 | 833 | 168.7 |
| A | 3 | 137 | 6337 | 32.63 | 848 | 833 | 168.7 |
| B | 7 | 220 | 145588 | 902.47 | 854 | 836 | 160.4 |
| B | 15 | 32 | 72179 | 444.79 | 854 | 836 | 160.4 |
| B | 0 | 197 | 49503 | 303.42 | 854 | 836 | 160.4 |
| C | 3 | 233 | 421792 | 2212.82 | 826 | 834 | 190.2 |
| C | 9 | 221 | 246602 | 1291.91 | 826 | 834 | 190.2 |
| C | 14 | 238 | 129022 | 673.84 | 826 | 834 | 190.2 |
| D | 1 | 52 | 694283 | 3394.21 | 840 | 818 | 204.3 |
| D | 2 | 234 | 31084 | 148.14 | 840 | 818 | 204.3 |
| D | 2 | 184 | 15069 | 69.75 | 840 | 818 | 204.3 |
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 |  |