Observation information
- date-obs: 2018-02-13
- time-obs: 14:41:12.914700000
- date-end: 2018-02-13
- time-end: 16:46:05.911700000
- obs_id: G08_041T01_9000001892
- exposure: 2930.05012476
- sourceid: 4U 1700-377
- observer: jsyadav
- ra_pnt: 255.9866
- dec_pnt: -37.84414
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1G08_041T01_9000001892_12870cztM0_level2.evt
| modeM0/AS1G08_041T01_9000001892_12870cztM0_level2_quad_clean.evt
|
| Size (bytes) | 586,676,160 | 66,798,720 |
| Size | 559.5 MB
| 63.7 MB
|
| Events in quadrant A | 3,463,081 | 405,244 |
| Events in quadrant B | 6,474,795 | 359,430 |
| Events in quadrant C | 3,180,131 | 403,614 |
| Events in quadrant D | 4,190,921 | 382,779 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 7 | 0 |
| B | 0 | 7 | 0 |
| C | 0 | 7 | 0 |
| D | 0 | 7 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 138 | 0 |
| B | 0 | 138 | 0 |
| C | 0 | 138 | 0 |
| D | 0 | 138 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14455 | 2 |
| B | 0 | 23648 | 1 |
| C | 0 | 13921 | 1 |
| D | 0 | 16971 | 1 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6754 | 154 | 2.280130% |
| B | 6754 | 1399 | 20.713651% |
| C | 6754 | 92 | 1.362156% |
| D | 6754 | 341 | 5.048860% |
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 | 7494 | 6755 | 2 | 2 | 0.03% | 0.03% |  |
| B | 7494 | 6755 | 766 | 766 | 10.22% | 11.34% |  |
| C | 7494 | 6755 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7494 | 6755 | 175 | 175 | 2.34% | 2.59% |  |
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 | 15 | 174 | 66673 | 387.21 | 843 | 825 | 170.1 |
| A | 11 | 29 | 46951 | 271.24 | 843 | 825 | 170.1 |
| A | 12 | 189 | 38187 | 219.7 | 843 | 825 | 170.1 |
| B | 4 | 239 | 1797016 | 12527.75 | 749 | 731 | 143.4 |
| B | 0 | 85 | 1217989 | 8489.47 | 749 | 731 | 143.4 |
| B | 3 | 64 | 139835 | 970.15 | 749 | 731 | 143.4 |
| C | 13 | 61 | 5960 | 27.17 | 815 | 818 | 189.2 |
| C | 14 | 234 | 2427 | 8.5 | 815 | 818 | 189.2 |
| C | 3 | 202 | 2043 | 6.47 | 815 | 818 | 189.2 |
| D | 1 | 52 | 995378 | 5123.78 | 806 | 783 | 194.1 |
| D | 13 | 122 | 64442 | 327.95 | 806 | 783 | 194.1 |
| D | 2 | 234 | 29742 | 149.19 | 806 | 783 | 194.1 |
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 |  |