Observation information
- date-obs: 2021-08-02
- time-obs: 09:44:01.004300000
- date-end: 2021-08-02
- time-end: 12:23:53.989000000
- obs_id: A10_094T74_9000004612
- exposure: 8747.41239452
- sourceid: LMC-74
- observer: dthilker
- ra_pnt: 78.69553
- dec_pnt: -68.6866
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A10_094T74_9000004612cztM0_level2_bc.evt
| modeM0/AS1A10_094T74_9000004612cztM0_level2_quad_clean.evt
|
Size (bytes) | 543,340,800 | 160,490,880 |
Size | 518.2 MB
| 153.1 MB
|
Events in quadrant A | 4,101,614 | 1,026,807 |
Events in quadrant B | 4,424,889 | 1,099,747 |
Events in quadrant C | 2,588,601 | 1,068,950 |
Events in quadrant D | 4,720,200 | 1,038,724 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 5 | 0 |
B | 0 | 5 | 0 |
C | 0 | 5 | 0 |
D | 0 | 5 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 28467 | 0 |
B | 0 | 27526 | 0 |
C | 0 | 21333 | 0 |
D | 0 | 27908 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 182 | 0 |
B | 0 | 182 | 0 |
C | 0 | 182 | 0 |
D | 0 | 182 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 9014 | 1198 | 13.290437% |
B | 9014 | 163 | 1.808298% |
C | 9014 | 479 | 5.313956% |
D | 9014 | 500 | 5.546927% |
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 | 9594 | 9014 | 29 | 29 | 0.30% | 0.32% |  |