Observation information
- date-obs: 2021-11-12
- time-obs: 21:06:18.676600000
- date-end: 2021-11-15
- time-end: 13:54:47.648400000
- obs_id: A11_096T01_9000004766
- exposure: 100317.094823
- sourceid: 4U 0836-429
- observer: duncan
- ra_pnt: 129.3458
- dec_pnt: -42.895
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A11_096T01_9000004766cztM0_level2_bc.evt
| modeM0/AS1A11_096T01_9000004766cztM0_level2_quad_clean.evt
|
| Size (bytes) | 8,814,456,000 | 2,108,315,520 |
| Size | 8.2 GB
| 2.0 GB
|
| Events in quadrant A | 35,849,688 | 13,591,112 |
| Events in quadrant B | 60,202,816 | 13,534,728 |
| Events in quadrant C | 46,182,409 | 13,228,783 |
| Events in quadrant D | 113,468,100 | 12,156,998 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 3388 | 0 |
| B | 0 | 3392 | 0 |
| C | 0 | 3386 | 0 |
| D | 0 | 3390 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 339314 | 0 |
| B | 0 | 446997 | 0 |
| C | 0 | 375180 | 0 |
| D | 0 | 632986 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 595 | 0 |
| B | 0 | 595 | 0 |
| C | 0 | 595 | 0 |
| D | 0 | 595 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 165636 | 202 | 0.121954% |
| B | 165632 | 9285 | 5.605801% |
| C | 165667 | 2673 | 1.613478% |
| D | 165537 | 18606 | 11.239783% |
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 | 233310 | 166022 | 4 | 4 | 0.00% | 0.00% |  |
| B | 233310 | 166056 | 367 | 367 | 0.16% | 0.22% |  |
| C | 233310 | 166036 | 386 | 386 | 0.17% | 0.23% |  |
| D | 233310 | 165896 | 2584 | 2584 | 1.11% | 1.56% |  |
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 | 13 | 254 | 293583 | 144.71 | 9042 | 8928 | 1967.0 |
| A | 13 | 6 | 292288 | 144.05 | 9042 | 8928 | 1967.0 |
| A | 14 | 235 | 130019 | 61.56 | 9042 | 8928 | 1967.0 |
| B | 5 | 172 | 12180243 | 7028.74 | 8869 | 8694 | 1731.7 |
| B | 0 | 219 | 5294756 | 3052.56 | 8869 | 8694 | 1731.7 |
| B | 0 | 189 | 1851704 | 1064.29 | 8869 | 8694 | 1731.7 |
| C | 7 | 221 | 4094488 | 2059.96 | 8699 | 8650 | 1983.5 |
| C | 0 | 10 | 3223293 | 1620.73 | 8699 | 8650 | 1983.5 |
| C | 1 | 241 | 2442747 | 1227.2 | 8699 | 8650 | 1983.5 |
| D | 8 | 195 | 34268935 | 16802.21 | 8288 | 8117 | 2039.1 |
| D | 2 | 250 | 10448841 | 5120.35 | 8288 | 8117 | 2039.1 |
| D | 2 | 249 | 7475603 | 3662.21 | 8288 | 8117 | 2039.1 |
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 |  |