Observation information
- date-obs: 2017-03-28
- time-obs: 20:48:15.469600000
- date-end: 2017-03-28
- time-end: 22:55:56.463600000
- obs_id: G06_033T01_9000001116
- exposure: 4323.47847518
- 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/AS1G06_033T01_9000001116_08108cztM0_level2.evt
| modeM0/AS1G06_033T01_9000001116_08108cztM0_level2_quad_clean.evt
|
| Size (bytes) | 507,179,520 | 88,433,280 |
| Size | 483.7 MB
| 84.3 MB
|
| Events in quadrant A | 3,799,243 | 549,952 |
| Events in quadrant B | 3,327,550 | 561,370 |
| Events in quadrant C | 3,187,755 | 567,220 |
| Events in quadrant D | 4,588,155 | 529,487 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 9 | 0 |
| B | 0 | 9 | 0 |
| C | 0 | 9 | 0 |
| D | 0 | 10 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 136 | 0 |
| B | 0 | 136 | 0 |
| C | 0 | 136 | 0 |
| D | 0 | 136 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 15731 | 3 |
| B | 0 | 14261 | 2 |
| C | 0 | 13892 | 2 |
| D | 0 | 18037 | 2 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6745 | 53 | 0.785767% |
| B | 6745 | 54 | 0.800593% |
| C | 6745 | 17 | 0.252039% |
| D | 6745 | 103 | 1.527057% |
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 | 7545 | 6746 | 2 | 2 | 0.03% | 0.03% |  |
| B | 7545 | 6746 | 1 | 1 | 0.01% | 0.01% |  |
| C | 7545 | 6746 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7545 | 6746 | 140 | 140 | 1.86% | 2.08% |  |
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 | 614263 | 3624.74 | 826 | 812 | 169.2 |
| A | 0 | 226 | 7558 | 39.86 | 826 | 812 | 169.2 |
| A | 12 | 194 | 7416 | 39.02 | 826 | 812 | 169.2 |
| B | 11 | 51 | 33283 | 202.64 | 832 | 813 | 160.2 |
| B | 0 | 214 | 21994 | 132.19 | 832 | 813 | 160.2 |
| B | 0 | 230 | 18721 | 111.76 | 832 | 813 | 160.2 |
| C | 1 | 16 | 15807 | 79.6 | 812 | 821 | 188.3 |
| C | 13 | 61 | 6221 | 28.68 | 812 | 821 | 188.3 |
| C | 7 | 235 | 5502 | 24.87 | 812 | 821 | 188.3 |
| D | 1 | 52 | 1369477 | 6944.3 | 806 | 785 | 197.1 |
| D | 12 | 233 | 87911 | 442.05 | 806 | 785 | 197.1 |
| D | 5 | 233 | 54375 | 271.9 | 806 | 785 | 197.1 |
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 |  |