Observation information
- date-obs: 2017-08-11
- time-obs: 12:39:31.279100000
- date-end: 2017-08-11
- time-end: 14:35:46.280600000
- obs_id: G07_065T01_9000001454
- exposure: 4590.8307559
- sourceid: 4U 1850-087
- observer: sudip
- ra_pnt: 283.2704
- dec_pnt: -8.705472
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1G07_065T01_9000001454_10116cztM0_level2.evt
| modeM0/AS1G07_065T01_9000001454_10116cztM0_level2_quad_clean.evt
|
| Size (bytes) | 456,995,520 | 98,616,960 |
| Size | 435.8 MB
| 94.0 MB
|
| Events in quadrant A | 3,807,578 | 659,029 |
| Events in quadrant B | 3,063,709 | 671,145 |
| Events in quadrant C | 2,789,228 | 642,795 |
| Events in quadrant D | 3,791,746 | 614,027 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 15188 | 2 |
| B | 0 | 12617 | 1 |
| C | 0 | 11894 | 1 |
| D | 0 | 14898 | 1 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 12 | 0 |
| B | 0 | 12 | 0 |
| C | 0 | 12 | 0 |
| D | 0 | 12 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 118 | 0 |
| B | 0 | 118 | 0 |
| C | 0 | 118 | 0 |
| D | 0 | 118 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 5710 | 90 | 1.576182% |
| B | 5710 | 76 | 1.330998% |
| C | 5710 | 59 | 1.033275% |
| D | 5710 | 199 | 3.485114% |
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 | 6975 | 5710 | 2 | 2 | 0.03% | 0.04% |  |
| B | 6975 | 5710 | 7 | 7 | 0.10% | 0.12% |  |
| C | 6975 | 5710 | 1 | 1 | 0.01% | 0.02% |  |
| D | 6975 | 5710 | 141 | 141 | 2.02% | 2.47% |  |
Top noisy pixels
Top three noisy pixels from each quadrant. If the there are fewer than three noisy pixels in the level2.evt file, extra rows are filled as -1
| Pixel properties |
Quadrant properties |
| Quadrant |
DetID |
PixID |
Counts |
Sigma |
Mean |
Median |
Sigma |
| A | 8 | 15 | 911082 | 5957.03 | 749 | 736 | 152.8 |
| A | 3 | 1 | 11433 | 70.0 | 749 | 736 | 152.8 |
| A | 0 | 226 | 6974 | 40.82 | 749 | 736 | 152.8 |
| B | 4 | 239 | 58228 | 410.94 | 741 | 727 | 139.9 |
| B | 0 | 214 | 56094 | 395.69 | 741 | 727 | 139.9 |
| B | 0 | 219 | 31689 | 221.27 | 741 | 727 | 139.9 |
| C | 13 | 61 | 5443 | 28.77 | 713 | 719 | 164.2 |
| C | 14 | 67 | 4360 | 22.17 | 713 | 719 | 164.2 |
| C | 12 | 4 | 4180 | 21.08 | 713 | 719 | 164.2 |
| D | 2 | 16 | 369202 | 2036.62 | 711 | 695 | 180.9 |
| D | 12 | 233 | 306932 | 1692.47 | 711 | 695 | 180.9 |
| D | 1 | 52 | 231485 | 1275.5 | 711 | 695 | 180.9 |
Detector plane histogram (DPH)
Histogram calculated using DETX and DETY for each event in the final _common_clean file
| Quadrant A |
 |
 |
Quadrant B |
| Quadrant D |
 |
 |
Quadrant C |
Count rate plots and images
| Plot type |
Count rate plots |
Images |
Comparison with Poisson distribution
Blue bars denote a histogram of data divided into 1 sec bins.
Red curve is a Poisson curve with rate = median count rate of data. |
 |
 |
Quadrant-wise count rates
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant A
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant B
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant C
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant D
Data is divided into 100 sec bins |
 |
 |
Housekeeping plots
| Parameter |
Plot |
| CZT HV Monitor |  |
| D_VDD |  |
| Temperature 1 |  |
| Veto HV Monitor |  |
| Veto LLD |  |
| Alpha Counter |  |
| _CPM_Rate |  |
| CZT Counter |  |
| +2.5 Volts monitor |  |
| +5 Volts monitor |  |
| _ROLL_ROT |  |
| _Roll_DEC |  |
| _Roll_RA |  |
| Veto Counter |  |