Observation information
- date-obs: 2016-04-27
- time-obs: 17:22:26.363200000
- date-end: 2016-04-28
- time-end: 01:13:50.332400000
- obs_id: G05_167T02_9000000432
- exposure: 16048.0739192
- sourceid: GRS1915+105
- observer: dipankar
- ra_pnt: 288.7981
- dec_pnt: 10.94578
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1G05_167T02_9000000432cztM0_level2.evt
| modeM0/AS1G05_167T02_9000000432cztM0_level2_quad_clean.evt
|
Size (bytes) | 1,840,515,840 | 302,034,240 |
Size | 1.7 GB
| 288.0 MB
|
Events in quadrant A | 11,391,168 | 1,903,487 |
Events in quadrant B | 12,467,826 | 1,899,696 |
Events in quadrant C | 14,848,781 | 1,873,459 |
Events in quadrant D | 15,377,785 | 1,784,734 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 38 | 0 |
B | 0 | 38 | 0 |
C | 0 | 38 | 0 |
D | 0 | 38 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 51098 | 0 |
B | 0 | 53583 | 0 |
C | 0 | 60827 | 0 |
D | 0 | 63011 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 500 | 0 |
B | 0 | 500 | 0 |
C | 0 | 500 | 0 |
D | 0 | 500 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 24515 | 188 | 0.766877% |
B | 24515 | 386 | 1.574546% |
C | 24515 | 849 | 3.463186% |
D | 24515 | 852 | 3.475423% |
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 | 28285 | 24519 | 17 | 17 | 0.06% | 0.07% |  |
B | 28285 | 24520 | 151 | 151 | 0.53% | 0.62% |  |
C | 28285 | 24519 | 608 | 608 | 2.15% | 2.48% |  |
D | 28285 | 24520 | 658 | 658 | 2.33% | 2.68% |  |
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 | 249 | 271040 | 461.89 | 2827 | 2766 | 580.8 |
A | 3 | 1 | 120350 | 202.44 | 2827 | 2766 | 580.8 |
A | 12 | 247 | 58135 | 95.33 | 2827 | 2766 | 580.8 |
B | 4 | 81 | 496784 | 895.28 | 2860 | 2797 | 551.8 |
B | 5 | 70 | 476571 | 858.65 | 2860 | 2797 | 551.8 |
B | 3 | 0 | 170147 | 303.3 | 2860 | 2797 | 551.8 |
C | 14 | 223 | 3215684 | 5093.0 | 2711 | 2728 | 630.9 |
C | 1 | 192 | 628345 | 991.69 | 2711 | 2728 | 630.9 |
C | 6 | 80 | 118458 | 183.45 | 2711 | 2728 | 630.9 |
D | 12 | 233 | 2530782 | 3885.76 | 2692 | 2611 | 650.6 |
D | 2 | 136 | 599321 | 917.13 | 2692 | 2611 | 650.6 |
D | 5 | 233 | 542111 | 829.2 | 2692 | 2611 | 650.6 |
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 |  |