Observation information
- date-obs: 2019-08-07
- time-obs: 06:32:02.979800000
- date-end: 2019-08-07
- time-end: 08:39:11.976600000
- obs_id: A05_160T01_9000003078
- exposure: 2993.7403675
- 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_20858cztM0_level2.evt
| modeM0/AS1A05_160T01_9000003078_20858cztM0_level2_quad_clean.evt
|
| Size (bytes) | 562,348,800 | 79,214,400 |
| Size | 536.3 MB
| 75.5 MB
|
| Events in quadrant A | 3,434,545 | 505,742 |
| Events in quadrant B | 3,493,710 | 519,886 |
| Events in quadrant C | 3,407,030 | 473,594 |
| Events in quadrant D | 6,271,281 | 461,617 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14 | 0 |
| B | 0 | 14 | 0 |
| C | 0 | 14 | 0 |
| D | 0 | 14 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13736 | 1 |
| B | 0 | 13922 | 1 |
| C | 0 | 13637 | 1 |
| D | 0 | 23050 | 2 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 126 | 0 |
| B | 0 | 126 | 0 |
| C | 0 | 126 | 0 |
| D | 0 | 126 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6279 | 76 | 1.210384% |
| B | 6279 | 103 | 1.640389% |
| C | 6280 | 111 | 1.767516% |
| D | 6279 | 100 | 1.592610% |
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 | 7629 | 6280 | 0 | 0 | 0.00% | 0.00% |  |
| B | 7629 | 6280 | 1 | 1 | 0.01% | 0.02% |  |
| C | 7630 | 6281 | 18 | 18 | 0.24% | 0.29% |  |
| D | 7629 | 6280 | 31 | 31 | 0.41% | 0.49% |  |
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 | 7671 | 38.23 | 893 | 879 | 177.6 |
| A | 3 | 137 | 6735 | 32.96 | 893 | 879 | 177.6 |
| A | 12 | 194 | 6405 | 31.11 | 893 | 879 | 177.6 |
| B | 0 | 230 | 20177 | 116.86 | 879 | 862 | 165.3 |
| B | 12 | 111 | 19303 | 111.57 | 879 | 862 | 165.3 |
| B | 11 | 111 | 17046 | 97.91 | 879 | 862 | 165.3 |
| C | 14 | 238 | 133292 | 695.29 | 826 | 832 | 190.5 |
| C | 0 | 10 | 43979 | 226.48 | 826 | 832 | 190.5 |
| C | 13 | 61 | 5840 | 26.29 | 826 | 832 | 190.5 |
| D | 1 | 239 | 2787688 | 13769.23 | 851 | 830 | 202.4 |
| D | 1 | 52 | 78677 | 384.62 | 851 | 830 | 202.4 |
| D | 9 | 1 | 63579 | 310.03 | 851 | 830 | 202.4 |
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 |  |