Observation information
- date-obs: 2016-06-11
- time-obs: 21:43:34.152700000
- date-end: 2016-06-15
- time-end: 06:02:51.054500000
- obs_id: G05_189T01_9000000492
- exposure: 143548.426895
- sourceid: GRS 1915+105
- observer: anuj
- ra_pnt: 288.7981
- dec_pnt: 10.94578
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1G05_189T01_9000000492cztM0_level2.evt
| modeM0/AS1G05_189T01_9000000492cztM0_level2_quad_clean.evt
|
Size (bytes) | 19,850,518,080 | 2,904,471,360 |
Size | 18.5 GB
| 2.7 GB
|
Events in quadrant A | 140,848,426 | 18,111,657 |
Events in quadrant B | 134,520,569 | 18,349,252 |
Events in quadrant C | 181,869,866 | 17,196,068 |
Events in quadrant D | 127,136,291 | 17,223,985 |
Level1 data integrity
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 586614 | 0 |
B | 0 | 561765 | 0 |
C | 0 | 711697 | 0 |
D | 0 | 561339 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 5072 | 0 |
B | 0 | 5072 | 0 |
C | 0 | 5072 | 0 |
D | 0 | 5072 | 0 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 290 | 0 |
B | 0 | 290 | 0 |
C | 0 | 290 | 0 |
D | 0 | 290 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 249489 | 8728 | 3.498351% |
B | 249489 | 6204 | 2.486683% |
C | 249488 | 20341 | 8.153098% |
D | 249488 | 6778 | 2.716764% |
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 | 289158 | 249500 | 3893 | 3893 | 1.35% | 1.56% |  |