Observation information
- date-obs: 2021-11-14
- time-obs: 14:23:46.657400000
- date-end: 2021-11-14
- time-end: 16:33:11.657100000
- obs_id: A11_096T01_9000004766
- exposure: 2616.63280843
- 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_33149cztM0_level2.evt
| modeM0/AS1A11_096T01_9000004766_33149cztM0_level2_quad_clean.evt
|
| Size (bytes) | 489,617,280 | 62,251,200 |
| Size | 466.9 MB
| 59.4 MB
|
| Events in quadrant A | 2,654,589 | 398,271 |
| Events in quadrant B | 3,984,567 | 389,826 |
| Events in quadrant C | 2,806,626 | 381,116 |
| Events in quadrant D | 5,037,882 | 359,318 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 104 | 0 |
| B | 0 | 104 | 0 |
| C | 0 | 104 | 0 |
| D | 0 | 104 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 10783 | 3 |
| B | 0 | 15217 | 2 |
| C | 0 | 11274 | 2 |
| D | 0 | 18526 | 2 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 26 | 0 |
| B | 0 | 26 | 0 |
| C | 0 | 26 | 0 |
| D | 0 | 27 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 5082 | 5 | 0.098386% |
| B | 5082 | 379 | 7.457694% |
| C | 5082 | 81 | 1.593861% |
| D | 5082 | 384 | 7.556080% |
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 | 7205 | 5083 | 0 | 0 | 0.00% | 0.00% |  |
| B | 7205 | 5083 | 178 | 178 | 2.47% | 3.50% |  |
| C | 7205 | 5083 | 48 | 48 | 0.67% | 0.94% |  |
| D | 7205 | 5083 | 329 | 329 | 4.57% | 6.47% |  |
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 | 6 | 18128 | 130.92 | 677 | 666 | 133.4 |
| A | 13 | 254 | 9678 | 67.57 | 677 | 666 | 133.4 |
| A | 0 | 31 | 7321 | 49.9 | 677 | 666 | 133.4 |
| B | 0 | 219 | 560149 | 4535.25 | 658 | 645 | 123.4 |
| B | 5 | 172 | 504010 | 4080.19 | 658 | 645 | 123.4 |
| B | 0 | 189 | 159162 | 1284.91 | 658 | 645 | 123.4 |
| C | 0 | 10 | 188021 | 1288.88 | 635 | 641 | 145.4 |
| C | 9 | 187 | 59376 | 404.01 | 635 | 641 | 145.4 |
| C | 7 | 221 | 36404 | 245.99 | 635 | 641 | 145.4 |
| D | 8 | 195 | 1247313 | 8348.36 | 620 | 609 | 149.3 |
| D | 12 | 233 | 278388 | 1860.1 | 620 | 609 | 149.3 |
| D | 2 | 249 | 210834 | 1407.74 | 620 | 609 | 149.3 |
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 |  |