Observation information
- date-obs: 2017-06-06
- time-obs: 11:07:07.122400000
- date-end: 2017-06-06
- time-end: 13:29:51.121400000
- obs_id: G07_046T01_9000001274
- exposure: 4146.27247943
- 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/AS1G07_046T01_9000001274_09138cztM0_level2.evt
| modeM0/AS1G07_046T01_9000001274_09138cztM0_level2_quad_clean.evt
|
Size (bytes) | 604,860,480 | 87,114,240 |
Size | 576.8 MB
| 83.1 MB
|
Events in quadrant A | 5,545,330 | 516,787 |
Events in quadrant B | 4,087,970 | 525,847 |
Events in quadrant C | 4,020,072 | 513,036 |
Events in quadrant D | 4,101,836 | 505,511 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 3 | 0 |
B | 0 | 3 | 0 |
C | 0 | 3 | 0 |
D | 0 | 3 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 170 | 0 |
B | 0 | 170 | 0 |
C | 0 | 170 | 0 |
D | 0 | 170 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 22165 | 11 |
B | 0 | 17616 | 8 |
C | 0 | 17747 | 4 |
D | 0 | 18097 | 2 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 8301 | 405 | 4.878930% |
B | 8301 | 378 | 4.553668% |
C | 8303 | 282 | 3.396363% |
D | 8304 | 338 | 4.070328% |
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 | 8564 | 8304 | 12 | 12 | 0.14% | 0.14% |  |
B | 8564 | 8305 | 0 | 0 | 0.00% | 0.00% |  |
C | 8564 | 8305 | 0 | 0 | 0.00% | 0.00% |  |
D | 8564 | 8305 | 42 | 42 | 0.49% | 0.51% |  |
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 | 5 | 921425 | 4299.43 | 1042 | 1019 | 214.1 |
A | 15 | 236 | 393700 | 1834.31 | 1042 | 1019 | 214.1 |
A | 4 | 2 | 49945 | 228.54 | 1042 | 1019 | 214.1 |
B | 12 | 111 | 23911 | 111.52 | 1041 | 1012 | 205.3 |
B | 11 | 111 | 19416 | 89.63 | 1041 | 1012 | 205.3 |
B | 4 | 80 | 14779 | 67.04 | 1041 | 1012 | 205.3 |
C | 14 | 234 | 45203 | 184.34 | 1009 | 1012 | 239.7 |
C | 8 | 128 | 15341 | 59.77 | 1009 | 1012 | 239.7 |
C | 9 | 68 | 8032 | 29.28 | 1009 | 1012 | 239.7 |
D | 1 | 52 | 121317 | 480.92 | 1016 | 989 | 250.2 |
D | 7 | 71 | 53397 | 209.46 | 1016 | 989 | 250.2 |
D | 2 | 14 | 45988 | 179.85 | 1016 | 989 | 250.2 |
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 |  |