Observation information
- date-obs: 2018-11-17
- time-obs: 19:58:28.625900000
- date-end: 2018-11-17
- time-end: 22:26:27.616700000
- obs_id: A05_188T01_9000002520
- exposure: 5115.31104943
- sourceid: Vela Pulsar
- observer: Marion
- ra_pnt: 128.8361
- dec_pnt: -45.17643
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A05_188T01_9000002520_16973cztM0_level2.evt
| modeM0/AS1A05_188T01_9000002520_16973cztM0_level2_quad_clean.evt
|
| Size (bytes) | 592,698,240 | 98,916,480 |
| Size | 565.2 MB
| 94.3 MB
|
| Events in quadrant A | 3,822,171 | 637,275 |
| Events in quadrant B | 4,594,213 | 629,039 |
| Events in quadrant C | 4,455,277 | 623,887 |
| Events in quadrant D | 4,597,569 | 611,191 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 18 | 0 |
| B | 0 | 18 | 0 |
| C | 0 | 18 | 0 |
| D | 0 | 18 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 16003 | 2 |
| B | 0 | 18263 | 2 |
| C | 0 | 18073 | 2 |
| D | 0 | 18438 | 2 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 144 | 0 |
| B | 0 | 144 | 0 |
| C | 0 | 144 | 0 |
| D | 0 | 144 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 7099 | 208 | 2.929990% |
| B | 7100 | 479 | 6.746479% |
| C | 7100 | 154 | 2.169014% |
| D | 7100 | 157 | 2.211268% |
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 | 8880 | 7102 | 116 | 116 | 1.31% | 1.63% |  |
| B | 8881 | 7103 | 305 | 305 | 3.43% | 4.29% |  |
| C | 8881 | 7103 | 0 | 0 | 0.00% | 0.00% |  |
| D | 8881 | 7103 | 74 | 74 | 0.83% | 1.04% |  |
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 | 15 | 174 | 539246 | 3109.95 | 846 | 826 | 173.1 |
| A | 10 | 1 | 15558 | 85.09 | 846 | 826 | 173.1 |
| A | 12 | 189 | 12215 | 65.78 | 846 | 826 | 173.1 |
| B | 3 | 64 | 1116274 | 6845.4 | 836 | 814 | 163.0 |
| B | 0 | 197 | 47828 | 288.52 | 836 | 814 | 163.0 |
| B | 3 | 209 | 45634 | 275.05 | 836 | 814 | 163.0 |
| C | 3 | 233 | 1130036 | 5859.52 | 819 | 824 | 192.7 |
| C | 14 | 238 | 126054 | 649.82 | 819 | 824 | 192.7 |
| C | 13 | 61 | 5823 | 25.94 | 819 | 824 | 192.7 |
| D | 1 | 52 | 1387588 | 6899.93 | 824 | 800 | 201.0 |
| D | 2 | 120 | 38690 | 188.52 | 824 | 800 | 201.0 |
| D | 2 | 234 | 29381 | 142.2 | 824 | 800 | 201.0 |
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 |  |