Observation information
- date-obs: 2021-11-15
- time-obs: 11:25:26.649100000
- date-end: 2021-11-15
- time-end: 13:29:42.648400000
- obs_id: A11_096T01_9000004766
- exposure: 2084.09984282
- 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_9000004766_33162cztM0_level2.evt
| modeM0/AS1A11_096T01_9000004766_33162cztM0_level2_quad_clean.evt
|
| Size (bytes) | 511,686,720 | 53,254,080 |
| Size | 488.0 MB
| 50.8 MB
|
| Events in quadrant A | 2,861,027 | 322,121 |
| Events in quadrant B | 4,070,536 | 319,302 |
| Events in quadrant C | 3,092,769 | 306,715 |
| Events in quadrant D | 5,114,054 | 293,337 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 108 | 0 |
| B | 0 | 108 | 0 |
| C | 0 | 108 | 0 |
| D | 0 | 108 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 11660 | 2 |
| B | 0 | 15759 | 1 |
| C | 0 | 12353 | 1 |
| D | 0 | 18924 | 1 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 21 | 0 |
| B | 0 | 21 | 0 |
| C | 0 | 21 | 0 |
| D | 0 | 22 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 5293 | 6 | 0.113357% |
| B | 5293 | 273 | 5.157756% |
| C | 5293 | 73 | 1.379180% |
| D | 5293 | 223 | 4.213112% |
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 | 7355 | 5294 | 0 | 0 | 0.00% | 0.00% |  |
| B | 7355 | 5294 | 159 | 159 | 2.16% | 3.00% |  |
| C | 7355 | 5294 | 47 | 47 | 0.64% | 0.89% |  |
| D | 7355 | 5294 | 163 | 163 | 2.22% | 3.08% |  |
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 | 31 | 16023 | 106.5 | 731 | 721 | 143.7 |
| A | 13 | 254 | 10828 | 70.34 | 731 | 721 | 143.7 |
| A | 13 | 6 | 10485 | 67.96 | 731 | 721 | 143.7 |
| B | 5 | 172 | 704403 | 5401.21 | 710 | 696 | 130.3 |
| B | 0 | 219 | 217390 | 1663.21 | 710 | 696 | 130.3 |
| B | 0 | 199 | 82056 | 624.47 | 710 | 696 | 130.3 |
| C | 0 | 10 | 195957 | 1247.18 | 689 | 696 | 156.6 |
| C | 7 | 221 | 54618 | 344.41 | 689 | 696 | 156.6 |
| C | 1 | 241 | 49815 | 313.73 | 689 | 696 | 156.6 |
| D | 8 | 195 | 1325441 | 7795.29 | 690 | 676 | 169.9 |
| D | 10 | 203 | 235604 | 1382.38 | 690 | 676 | 169.9 |
| D | 12 | 6 | 165301 | 968.7 | 690 | 676 | 169.9 |
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 |  |