Observation information
- date-obs: 2019-05-10
- time-obs: 01:35:13.325800000
- date-end: 2019-05-10
- time-end: 19:30:45.319300000
- obs_id: A05_142T01_9000002904
- exposure: 28994.0943843
- sourceid: MAXI J1820+070
- observer: JohnPaice
- ra_pnt: 275.0914
- dec_pnt: 7.1853
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A05_142T01_9000002904cztM0_level2.fits
| modeM0/AS1A05_142T01_9000002904cztM0_level2_quad_clean.evt
|
| Size (bytes) | 551,364,480 | 541,077,120 |
| Size | 525.8 MB
| 516.0 MB
|
| Events in quadrant A | 3,345,292 | 3,299,287 |
| Events in quadrant B | 3,305,562 | 3,285,760 |
| Events in quadrant C | 3,326,096 | 3,123,360 |
| Events in quadrant D | 2,959,436 | 2,916,971 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 1120 | 0 |
| B | 0 | 1120 | 0 |
| C | 0 | 1120 | 0 |
| D | 0 | 1120 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 113859 | 0 |
| B | 0 | 117652 | 0 |
| C | 0 | 118607 | 0 |
| D | 0 | 124677 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 96 | 0 |
| B | 0 | 96 | 0 |
| C | 0 | 96 | 0 |
| D | 0 | 96 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 54828 | 703 | 1.282192% |
| B | 54828 | 1069 | 1.949734% |
| C | 54828 | 1037 | 1.891369% |
| D | 54828 | 911 | 1.661560% |
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 | 64533 | 53373 | 0 | 0 | 0.00% | 0.00% |  |