Observation information
- date-obs: 2018-08-13
- time-obs: 07:18:36.286200000
- date-end: 2018-08-14
- time-end: 03:54:00.255100000
- obs_id: G08_030T01_9000002302
- exposure: 40366.3989724
- sourceid: Cyg X-1
- observer: jsyadav
- ra_pnt: 299.5903
- dec_pnt: 35.20161
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1G08_030T01_9000002302cztM0_level2_bc.evt
| modeM0/AS1G08_030T01_9000002302cztM0_level2_quad_clean.evt
|
Size (bytes) | 2,183,253,120 | 849,150,720 |
Size | 2.0 GB
| 809.8 MB
|
Events in quadrant A | 13,474,878 | 5,479,701 |
Events in quadrant B | 15,751,419 | 5,482,437 |
Events in quadrant C | 13,179,980 | 5,210,610 |
Events in quadrant D | 19,326,153 | 5,135,354 |
Level1 data integrity
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 134543 | 0 |
B | 0 | 142779 | 0 |
C | 0 | 134694 | 0 |
D | 0 | 152371 | 0 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 98 | 0 |
B | 0 | 98 | 0 |
C | 0 | 98 | 0 |
D | 0 | 98 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 1312 | 0 |
B | 0 | 1312 | 0 |
C | 0 | 1312 | 0 |
D | 0 | 1312 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 64335 | 910 | 1.414471% |
B | 64335 | 1593 | 2.476102% |
C | 64335 | 1215 | 1.888552% |
D | 64335 | 1980 | 3.077640% |
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 | 74126 | 64332 | 8 | 8 | 0.01% | 0.01% |  |
B | 74126 | 64332 | 42 | 42 | 0.06% | 0.07% |  |
C | 74126 | 64331 | 13 | 13 | 0.02% | 0.02% |  |
D | 74126 | 64332 | 475 | 475 | 0.64% | 0.74% |  |
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 | 0 | 253 | 170790 | 225.79 | 3442 | 3378 | 741.4 |
A | 9 | 143 | 58805 | 74.76 | 3442 | 3378 | 741.4 |
A | 15 | 249 | 30398 | 36.44 | 3442 | 3378 | 741.4 |
B | 3 | 64 | 1668052 | 2581.65 | 3448 | 3368 | 644.8 |
B | 4 | 48 | 264552 | 405.05 | 3448 | 3368 | 644.8 |
B | 0 | 189 | 162059 | 246.1 | 3448 | 3368 | 644.8 |
C | 3 | 233 | 274623 | 353.51 | 3285 | 3271 | 767.6 |
C | 10 | 22 | 128515 | 163.16 | 3285 | 3271 | 767.6 |
C | 10 | 187 | 57637 | 70.83 | 3285 | 3271 | 767.6 |
D | 1 | 52 | 3082015 | 3635.61 | 3329 | 3235 | 846.8 |
D | 5 | 222 | 1873685 | 2208.74 | 3329 | 3235 | 846.8 |
D | 13 | 104 | 418855 | 490.79 | 3329 | 3235 | 846.8 |
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 |  |