Observation information
- date-obs: 2018-01-15
- time-obs: 11:46:37.134900000
- date-end: 2018-01-19
- time-end: 22:55:00.414600000
- obs_id: A04_174T01_9000001850
- exposure: 193845.410647
- sourceid: Crab
- observer: mithunnps
- ra_pnt: 83.63308
- dec_pnt: 22.0145
Basic statistics of files
| Param |
Original file |
Final file |
|---|
| Filename | modeM0/AS1A04_174T01_9000001850cztM0_level2_bc.evt
| modeM0/AS1A04_174T01_9000001850cztM0_level2_quad_clean.evt
|
| Size (bytes) | 17,140,737,600 | 4,378,858,560 |
| Size | 16.0 GB
| 4.1 GB
|
| Events in quadrant A | 207,321,174 | 26,427,046 |
| Events in quadrant B | 97,637,701 | 28,270,329 |
| Events in quadrant C | 70,592,413 | 28,614,641 |
| Events in quadrant D | 120,856,793 | 26,430,057 |
Level1 data integrity
| Mode M9 |
|---|
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 510 | 0 |
| B | 0 | 509 | 0 |
| C | 0 | 509 | 0 |
| D | 0 | 509 | 0 |
| Mode M0 |
|---|
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 1274759 | 0 |
| B | 0 | 809612 | 0 |
| C | 0 | 691170 | 0 |
| D | 0 | 866689 | 0 |
| Mode SS |
|---|
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 6818 | 0 |
| B | 0 | 6818 | 0 |
| C | 0 | 6818 | 0 |
| D | 0 | 6818 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 333995 | 55941 | 16.749053% |
| B | 334042 | 14990 | 4.487460% |
| C | 334042 | 2993 | 0.895995% |
| D | 334043 | 15702 | 4.700592% |
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 | 385705 | 333964 | 3968 | 3968 | 1.03% | 1.19% |  |
|---|
