Observation information
- date-obs: 2021-11-14
- time-obs: 15:53:46.658000000
- date-end: 2021-11-14
- time-end: 18:15:07.657700000
- obs_id: A11_096T01_9000004766
- exposure: 3217.12996794
- 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_33150cztM0_level2.evt
| modeM0/AS1A11_096T01_9000004766_33150cztM0_level2_quad_clean.evt
|
| Size (bytes) | 438,468,480 | 70,960,320 |
| Size | 418.2 MB
| 67.7 MB
|
| Events in quadrant A | 2,461,178 | 462,932 |
| Events in quadrant B | 3,147,312 | 464,809 |
| Events in quadrant C | 2,710,991 | 446,304 |
| Events in quadrant D | 4,623,161 | 426,844 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 102 | 0 |
| B | 0 | 102 | 0 |
| C | 0 | 102 | 0 |
| D | 0 | 102 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 10251 | 3 |
| B | 0 | 12680 | 2 |
| C | 0 | 11095 | 2 |
| D | 0 | 17257 | 2 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 34 | 0 |
| B | 0 | 34 | 0 |
| C | 0 | 34 | 0 |
| D | 0 | 35 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 4958 | 6 | 0.121017% |
| B | 4958 | 45 | 0.907624% |
| C | 4958 | 94 | 1.895926% |
| D | 4958 | 251 | 5.062525% |
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 | 7050 | 4959 | 0 | 0 | 0.00% | 0.00% |  |
| B | 7050 | 4959 | 15 | 15 | 0.21% | 0.30% |  |
| C | 7050 | 4959 | 67 | 67 | 0.95% | 1.35% |  |
| D | 7050 | 4959 | 216 | 216 | 3.06% | 4.36% |  |
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 | 235 | 29368 | 231.24 | 623 | 613 | 124.3 |
| A | 13 | 6 | 12911 | 98.9 | 623 | 613 | 124.3 |
| A | 13 | 254 | 9720 | 73.24 | 623 | 613 | 124.3 |
| B | 0 | 219 | 312217 | 2662.75 | 624 | 610 | 117.0 |
| B | 5 | 172 | 121726 | 1034.96 | 624 | 610 | 117.0 |
| B | 0 | 189 | 82596 | 700.59 | 624 | 610 | 117.0 |
| C | 0 | 10 | 193678 | 1402.32 | 592 | 597 | 137.7 |
| C | 9 | 187 | 73134 | 526.83 | 592 | 597 | 137.7 |
| C | 1 | 241 | 72068 | 519.09 | 592 | 597 | 137.7 |
| D | 8 | 195 | 1212950 | 8520.06 | 583 | 572 | 142.3 |
| D | 2 | 249 | 329889 | 2314.3 | 583 | 572 | 142.3 |
| D | 1 | 52 | 185413 | 1298.98 | 583 | 572 | 142.3 |
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 |  |