Observation information
- date-obs: 2018-01-29
- time-obs: 13:42:20.404300000
- date-end: 2018-02-03
- time-end: 16:47:38.957000000
- obs_id: A04_174T01_9000001876
- exposure: 234120.659159
- 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_9000001876cztM0_level2_bc.evt
| modeM0/AS1A04_174T01_9000001876cztM0_level2_quad_clean.evt
|
| Size (bytes) | 15,759,944,640 | 5,298,768,000 |
| Size | 14.7 GB
| 4.9 GB
|
| Events in quadrant A | 88,012,588 | 35,032,767 |
| Events in quadrant B | 156,389,618 | 31,465,256 |
| Events in quadrant C | 85,093,605 | 34,838,042 |
| Events in quadrant D | 121,905,791 | 33,099,509 |
Level1 data integrity
| Mode M0 |
|---|
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 817258 | 0 |
| B | 0 | 1136968 | 0 |
| C | 0 | 800887 | 0 |
| D | 0 | 931480 | 0 |
| Mode SS |
|---|
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 7746 | 0 |
| B | 0 | 7746 | 0 |
| C | 0 | 7746 | 0 |
| D | 0 | 7746 | 0 |
| Mode M9 |
|---|
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 629 | 0 |
| B | 0 | 629 | 0 |
| C | 0 | 629 | 0 |
| D | 0 | 629 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 380478 | 6019 | 1.581957% |
| B | 380478 | 46594 | 12.246175% |
| C | 380478 | 3566 | 0.937242% |
| D | 380478 | 12791 | 3.361824% |
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 | 443120 | 380462 | 117 | 117 | 0.03% | 0.03% |  |
|---|
