Observation information
- date-obs: 2021-11-13
- time-obs: 19:17:06.671800000
- date-end: 2021-11-13
- time-end: 21:20:12.671500000
- obs_id: A11_096T01_9000004766
- exposure: 4427.83928496
- 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_33137cztM0_level2.evt
| modeM0/AS1A11_096T01_9000004766_33137cztM0_level2_quad_clean.evt
|
| Size (bytes) | 497,600,640 | 87,261,120 |
| Size | 474.5 MB
| 83.2 MB
|
| Events in quadrant A | 2,437,086 | 587,101 |
| Events in quadrant B | 3,456,505 | 586,293 |
| Events in quadrant C | 2,942,705 | 572,176 |
| Events in quadrant D | 5,874,941 | 526,168 |
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 | 10670 | 3 |
| B | 0 | 13797 | 2 |
| C | 0 | 12184 | 2 |
| D | 0 | 21266 | 2 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 20 | 0 |
| B | 0 | 20 | 0 |
| C | 0 | 20 | 0 |
| D | 0 | 21 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 5293 | 5 | 0.094464% |
| B | 5293 | 256 | 4.836577% |
| C | 5293 | 179 | 3.381825% |
| D | 5293 | 474 | 8.955224% |
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 | 6995 | 5294 | 0 | 0 | 0.00% | 0.00% |  |
| B | 6995 | 5294 | 125 | 125 | 1.79% | 2.36% |  |
| C | 6995 | 5294 | 141 | 141 | 2.02% | 2.66% |  |
| D | 6995 | 5294 | 418 | 418 | 5.98% | 7.90% |  |
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 | 10284 | 77.26 | 625 | 613 | 125.2 |
| A | 13 | 6 | 9666 | 72.32 | 625 | 613 | 125.2 |
| A | 3 | 137 | 5855 | 41.88 | 625 | 613 | 125.2 |
| B | 5 | 172 | 410366 | 3509.36 | 613 | 600 | 116.8 |
| B | 0 | 219 | 288976 | 2469.74 | 613 | 600 | 116.8 |
| B | 15 | 33 | 80135 | 681.16 | 613 | 600 | 116.8 |
| C | 0 | 10 | 283989 | 2060.5 | 592 | 598 | 137.5 |
| C | 7 | 221 | 261669 | 1898.21 | 592 | 598 | 137.5 |
| C | 1 | 241 | 40495 | 290.09 | 592 | 598 | 137.5 |
| D | 8 | 195 | 1637976 | 10733.18 | 584 | 572 | 152.6 |
| D | 2 | 250 | 373474 | 2444.37 | 584 | 572 | 152.6 |
| D | 12 | 6 | 294654 | 1927.71 | 584 | 572 | 152.6 |
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 |  |