Observation information
- date-obs: 2022-05-20
- time-obs: 05:33:01.733300000
- date-end: 2022-05-20
- time-end: 07:30:29.729200000
- obs_id: A11_080T01_9000005146
- exposure: 2883.81698067
- 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_35912cztM0_level2.evt
| modeM0/AS1A11_080T01_9000005146_35912cztM0_level2_quad_clean.evt
|
Size (bytes) | 504,515,520 | 74,016,000 |
Size | 481.1 MB
| 70.6 MB
|
Events in quadrant A | 2,760,105 | 508,996 |
Events in quadrant B | 5,853,904 | 413,541 |
Events in quadrant C | 2,940,926 | 490,433 |
Events in quadrant D | 3,379,514 | 471,428 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 19 | 0 |
B | 0 | 19 | 0 |
C | 0 | 19 | 0 |
D | 0 | 19 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 106 | 0 |
B | 0 | 106 | 0 |
C | 0 | 106 | 0 |
D | 0 | 106 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 11063 | 3 |
B | 0 | 20674 | 9 |
C | 0 | 11617 | 2 |
D | 0 | 13442 | 2 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 5077 | 8 | 0.157573% |
B | 5076 | 1318 | 25.965327% |
C | 5077 | 65 | 1.280284% |
D | 5077 | 66 | 1.299980% |
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 | 7048 | 5078 | 2 | 2 | 0.03% | 0.04% | |
B | 7048 | 5076 | 924 | 924 | 13.11% | 18.20% | |
C | 7048 | 5078 | 63 | 63 | 0.89% | 1.24% | |
D | 7048 | 5078 | 54 | 54 | 0.77% | 1.06% | |
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 | 10 | 83 | 145585 | 1097.93 | 651 | 642 | 132.0 |
A | 15 | 169 | 42509 | 317.14 | 651 | 642 | 132.0 |
A | 9 | 143 | 37894 | 282.18 | 651 | 642 | 132.0 |
B | 5 | 172 | 3489322 | 32577.72 | 566 | 556 | 107.1 |
B | 0 | 245 | 85682 | 794.9 | 566 | 556 | 107.1 |
B | 5 | 255 | 36566 | 336.26 | 566 | 556 | 107.1 |
C | 0 | 10 | 257931 | 1828.6 | 613 | 619 | 140.7 |
C | 15 | 214 | 216053 | 1530.99 | 613 | 619 | 140.7 |
C | 0 | 207 | 77320 | 545.08 | 613 | 619 | 140.7 |
D | 8 | 195 | 367218 | 2459.73 | 619 | 605 | 149.0 |
D | 13 | 249 | 237602 | 1590.09 | 619 | 605 | 149.0 |
D | 12 | 227 | 94492 | 629.92 | 619 | 605 | 149.0 |
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 | |