Observation information
- date-obs: 2018-04-05
- time-obs: 00:00:00.939500000
- date-end: 2018-04-05
- time-end: 06:32:37.931200000
- obs_id: G08_044T01_9000002014
- exposure: 10961.7414485
- sourceid: 4U 1957+115
- observer: jsyadav
- ra_pnt: 299.8509
- dec_pnt: 11.709
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1G08_044T01_9000002014cztM0_level2_bc.evt
| modeM0/AS1G08_044T01_9000002014cztM0_level2_quad_clean.evt
|
Size (bytes) | 708,183,360 | 241,318,080 |
Size | 675.4 MB
| 230.1 MB
|
Events in quadrant A | 4,073,502 | 1,546,137 |
Events in quadrant B | 5,262,497 | 1,526,233 |
Events in quadrant C | 4,352,275 | 1,489,357 |
Events in quadrant D | 6,466,847 | 1,446,225 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 46 | 0 |
B | 0 | 46 | 0 |
C | 0 | 46 | 0 |
D | 0 | 46 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 386 | 0 |
B | 0 | 386 | 0 |
C | 0 | 386 | 0 |
D | 0 | 386 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 39594 | 0 |
B | 0 | 44566 | 0 |
C | 0 | 39497 | 0 |
D | 0 | 47212 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 18883 | 150 | 0.794365% |
B | 18883 | 363 | 1.922364% |
C | 18883 | 87 | 0.460732% |
D | 18883 | 363 | 1.922364% |
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 | 23559 | 18886 | 1 | 1 | 0.00% | 0.01% |  |
B | 23559 | 18884 | 2 | 2 | 0.01% | 0.01% |  |
C | 23559 | 18885 | 0 | 0 | 0.00% | 0.00% |  |
D | 23559 | 18884 | 18 | 18 | 0.08% | 0.10% |  |
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 | 3 | 0 | 54589 | 238.17 | 1030 | 1007 | 225.0 |
A | 1 | 162 | 34516 | 148.94 | 1030 | 1007 | 225.0 |
A | 15 | 69 | 23688 | 100.82 | 1030 | 1007 | 225.0 |
B | 0 | 219 | 471030 | 2427.43 | 1021 | 995 | 193.6 |
B | 0 | 85 | 331734 | 1708.06 | 1021 | 995 | 193.6 |
B | 0 | 189 | 138372 | 709.47 | 1021 | 995 | 193.6 |
C | 3 | 233 | 478333 | 2205.66 | 988 | 974 | 216.4 |
C | 14 | 234 | 6026 | 23.34 | 988 | 974 | 216.4 |
C | 13 | 61 | 5929 | 22.89 | 988 | 974 | 216.4 |
D | 5 | 222 | 787617 | 3475.72 | 995 | 962 | 226.3 |
D | 8 | 195 | 769630 | 3396.25 | 995 | 962 | 226.3 |
D | 12 | 6 | 712835 | 3145.31 | 995 | 962 | 226.3 |
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 |  |