Observation information
- date-obs: 2022-05-23
- time-obs: 03:08:41.603900000
- date-end: 2022-05-23
- time-end: 05:11:13.599400000
- obs_id: A11_080T01_9000005146
- exposure: 2215.32191356
- sourceid: Cygnus X-1
- observer: ajayratheesh
- ra_pnt: 299.5903
- dec_pnt: 35.20161
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A11_080T01_9000005146_35955cztM0_level2.evt
| modeM0/AS1A11_080T01_9000005146_35955cztM0_level2_quad_clean.evt
|
Size (bytes) | 637,585,920 | 55,981,440 |
Size | 608.0 MB
| 53.4 MB
|
Events in quadrant A | 2,895,025 | 417,674 |
Events in quadrant B | 10,343,397 | 204,895 |
Events in quadrant C | 2,871,000 | 371,819 |
Events in quadrant D | 2,894,725 | 382,906 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 18 | 2 |
B | 0 | 18 | 3 |
C | 0 | 20 | 1 |
D | 0 | 19 | 2 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 106 | 7 |
B | 0 | 105 | 7 |
C | 0 | 99 | 5 |
D | 0 | 107 | 10 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 12942 | 1481 |
B | 0 | 41129 | 7575 |
C | 0 | 14750 | 3437 |
D | 0 | 13212 | 1483 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 4644 | 159 | 3.423773% |
B | 4186 | 4073 | 97.300526% |
C | 4490 | 180 | 4.008909% |
D | 4612 | 110 | 2.385082% |
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 | 7206 | 4883 | 98 | 98 | 1.36% | 2.01% | |
B | 7203 | 4495 | 3723 | 3723 | 51.69% | 82.83% | |
C | 7206 | 4767 | 58 | 58 | 0.80% | 1.22% | |
D | 7206 | 4868 | 81 | 81 | 1.12% | 1.66% | |
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 | 15 | 169 | 560831 | 4844.22 | 567 | 558 | 115.7 |
A | 10 | 83 | 123759 | 1065.22 | 567 | 558 | 115.7 |
A | 13 | 6 | 9611 | 78.27 | 567 | 558 | 115.7 |
B | 5 | 14 | 2990230 | 55297.06 | 273 | 267 | 54.1 |
B | 5 | 31 | 2985459 | 55208.83 | 273 | 267 | 54.1 |
B | 5 | 15 | 2980061 | 55109.0 | 273 | 267 | 54.1 |
C | 9 | 187 | 594623 | 4886.67 | 521 | 526 | 121.6 |
C | 15 | 214 | 183502 | 1505.04 | 521 | 526 | 121.6 |
C | 0 | 207 | 33822 | 273.87 | 521 | 526 | 121.6 |
D | 2 | 253 | 257977 | 1921.98 | 541 | 528 | 133.9 |
D | 13 | 249 | 112825 | 838.35 | 541 | 528 | 133.9 |
D | 1 | 52 | 108589 | 806.73 | 541 | 528 | 133.9 |
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 |
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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 | |