Observation information
- date-obs: 2016-09-11
- time-obs: 18:48:18.499900000
- date-end: 2016-09-11
- time-end: 21:06:43.496600000
- obs_id: G05_214T01_9000000652
- exposure: 4523.92410704
- sourceid: GRS 1915+105
- observer: jsyadav
- ra_pnt: 288.7981
- dec_pnt: 10.94578
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1G05_214T01_9000000652_05176cztM0_level2.evt
| modeM0/AS1G05_214T01_9000000652_05176cztM0_level2_quad_clean.evt
|
| Size (bytes) | 453,476,160 | 79,145,280 |
| Size | 432.5 MB
| 75.5 MB
|
| Events in quadrant A | 3,251,830 | 481,716 |
| Events in quadrant B | 3,340,499 | 485,815 |
| Events in quadrant C | 3,064,062 | 490,657 |
| Events in quadrant D | 3,613,396 | 463,018 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 140 | 0 |
| B | 0 | 140 | 0 |
| C | 0 | 140 | 0 |
| D | 0 | 140 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14 | 0 |
| B | 0 | 14 | 0 |
| C | 0 | 14 | 0 |
| D | 0 | 15 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14401 | 3 |
| B | 0 | 14419 | 2 |
| C | 0 | 13936 | 2 |
| D | 0 | 15680 | 2 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6815 | 34 | 0.498899% |
| B | 6815 | 25 | 0.366838% |
| C | 6815 | 15 | 0.220103% |
| D | 6815 | 124 | 1.819516% |
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 | 7720 | 6816 | 5 | 5 | 0.06% | 0.07% |  |
| B | 7720 | 6816 | 4 | 4 | 0.05% | 0.06% |  |
| C | 7720 | 6816 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7720 | 6816 | 87 | 87 | 1.13% | 1.28% |  |
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 | 0 | 247 | 157683 | 970.5 | 783 | 766 | 161.7 |
| A | 0 | 50 | 67100 | 410.26 | 783 | 766 | 161.7 |
| A | 0 | 226 | 22656 | 135.38 | 783 | 766 | 161.7 |
| B | 15 | 204 | 158423 | 1030.48 | 795 | 776 | 153.0 |
| B | 4 | 48 | 27366 | 173.81 | 795 | 776 | 153.0 |
| B | 0 | 228 | 22514 | 142.09 | 795 | 776 | 153.0 |
| C | 1 | 16 | 56143 | 307.6 | 769 | 774 | 180.0 |
| C | 13 | 61 | 6148 | 29.86 | 769 | 774 | 180.0 |
| C | 12 | 4 | 5627 | 26.96 | 769 | 774 | 180.0 |
| D | 2 | 33 | 313385 | 1695.79 | 759 | 736 | 184.4 |
| D | 2 | 136 | 117936 | 635.69 | 759 | 736 | 184.4 |
| D | 14 | 34 | 81905 | 440.26 | 759 | 736 | 184.4 |
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 |  |