Observation information
- date-obs: 2015-12-13
- time-obs: 14:45:30.592300000
- date-end: 2015-12-16
- time-end: 03:12:32.997700000
- obs_id: P01_997T03_9000000216
- exposure: 170927.149033
- sourceid: 4U 1847+78
- observer: annapurni
- ra_pnt: 280.5374
- dec_pnt: 79.77142
Basic statistics of files
| Param |
Original file |
Final file |
|---|
| Filename | modeM0/AS1P01_997T03_9000000216cztM0_level2.evt
| modeM0/AS1P01_997T03_9000000216cztM0_level2_quad_clean.evt
|
| Size (bytes) | 29,733,854,400 | 2,929,919,040 |
| Size | 27.7 GB
| 2.7 GB
|
| Events in quadrant A | 211,570,290 | 20,037,927 |
| Events in quadrant B | 219,927,702 | 20,193,717 |
| Events in quadrant C | 214,408,160 | 19,465,263 |
| Events in quadrant D | 242,984,875 | 16,961,991 |
Level1 data integrity
| Mode SS |
|---|
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 3564 | 0 |
| B | 0 | 3568 | 0 |
| C | 0 | 3570 | 0 |
| D | 0 | 3568 | 0 |
| Mode M0 |
|---|
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 754242 | 0 |
| B | 0 | 778345 | 0 |
| C | 0 | 762312 | 0 |
| D | 0 | 851796 | 0 |
| Mode M9 |
|---|
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 206 | 0 |
| B | 0 | 218 | 0 |
| C | 0 | 206 | 0 |
| D | 0 | 219 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 176505 | 1108 | 0.627744% |
| B | 176502 | 1042 | 0.590362% |
| C | 176510 | 1115 | 0.631692% |
| D | 176402 | 25320 | 14.353579% |
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 |
|---|
