Observation information
- date-obs: 2016-09-25
- time-obs: 14:28:53.415100000
- date-end: 2016-09-25
- time-end: 16:05:20.007300000
- obs_id: G05_243T01_9000000682
- exposure: 2684.83083124
- 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_243T01_9000000682cztM0_level2_bc.evt
| modeM0/AS1G05_243T01_9000000682cztM0_level2_quad_clean.evt
|
Size (bytes) | 368,976,960 | 49,014,720 |
Size | 351.9 MB
| 46.7 MB
|
Events in quadrant A | 1,102,717 | 297,229 |
Events in quadrant B | 1,112,585 | 300,560 |
Events in quadrant C | 1,057,378 | 300,308 |
Events in quadrant D | 7,574,808 | 254,053 |
Level1 data integrity
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 10781 | 0 |
B | 0 | 10412 | 0 |
C | 0 | 10134 | 0 |
D | 0 | 29638 | 0 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 10 | 0 |
B | 0 | 10 | 0 |
C | 0 | 10 | 0 |
D | 0 | 10 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 98 | 0 |
B | 0 | 98 | 0 |
C | 0 | 98 | 0 |
D | 0 | 98 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 4713 | 213 | 4.519414% |
B | 4712 | 89 | 1.888795% |
C | 4713 | 54 | 1.145767% |
D | 4712 | 1338 | 28.395586% |
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 | 5788 | 4713 | 1 | 1 | 0.02% | 0.02% |  |
B | 5787 | 4711 | 5 | 5 | 0.09% | 0.11% |  |
C | 5788 | 4712 | 0 | 0 | 0.00% | 0.00% |  |
D | 5788 | 4712 | 101 | 101 | 1.74% | 2.14% |  |
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 | 14 | 111 | 104253 | 1951.69 | 230 | 224 | 53.3 |
A | 0 | 50 | 54069 | 1010.19 | 230 | 224 | 53.3 |
A | 15 | 174 | 43608 | 813.93 | 230 | 224 | 53.3 |
B | 4 | 80 | 77919 | 1645.71 | 233 | 227 | 47.2 |
B | 15 | 204 | 62861 | 1326.74 | 233 | 227 | 47.2 |
B | 10 | 245 | 23032 | 483.07 | 233 | 227 | 47.2 |
C | 1 | 16 | 150214 | 2822.09 | 230 | 226 | 53.1 |
C | 12 | 4 | 3322 | 58.25 | 230 | 226 | 53.1 |
C | 14 | 67 | 2767 | 47.81 | 230 | 226 | 53.1 |
D | 7 | 237 | 6575533 | 123579.27 | 214 | 205 | 53.2 |
D | 4 | 95 | 51057 | 955.73 | 214 | 205 | 53.2 |
D | 11 | 18 | 30222 | 564.15 | 214 | 205 | 53.2 |
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 |  |