Observation information
- date-obs: 2024-05-01
- time-obs: 00:50:58.366400000
- date-end: 2024-05-01
- time-end: 02:50:08.360400000
- obs_id: A13_037T01_9000006212
- exposure: 5833.85946286
- sourceid: Cygnus X-2
- observer: ranjeev
- ra_pnt: 326.1714
- dec_pnt: 38.32141
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A13_037T01_9000006212_46457cztM0_level2.fits
| modeM0/AS1A13_037T01_9000006212_46457cztM0_level2_quad_clean.evt
|
Size (bytes) | 438,958,080 | 99,123,840 |
Size | 418.6 MB
| 94.5 MB
|
Events in quadrant A | 5,468,086 | 662,871 |
Events in quadrant B | 3,240,488 | 681,532 |
Events in quadrant C | 3,490,931 | 649,120 |
Events in quadrant D | 3,572,441 | 579,313 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 10 | 0 |
B | 0 | 10 | 0 |
C | 0 | 10 | 0 |
D | 0 | 10 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 124 | 0 |
B | 0 | 124 | 0 |
C | 0 | 124 | 0 |
D | 0 | 124 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 20492 | 2 |
B | 0 | 13909 | 1 |
C | 0 | 14921 | 1 |
D | 0 | 15263 | 1 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 6139 | 138 | 2.247923% |
B | 6139 | 109 | 1.775533% |
C | 6140 | 127 | 2.068404% |
D | 6140 | 254 | 4.136808% |
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 | 7149 | 6140 | 22 | 22 | 0.31% | 0.36% | |
B | 7149 | 6140 | 41 | 41 | 0.57% | 0.67% | |
C | 7150 | 6141 | 60 | 60 | 0.84% | 0.98% | |
D | 7150 | 6141 | 213 | 213 | 2.98% | 3.47% | |
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 | 2800653 | 19963.68 | 675 | 660 | 140.3 |
A | 2 | 79 | 16929 | 116.0 | 675 | 660 | 140.3 |
A | 0 | 243 | 12889 | 87.19 | 675 | 660 | 140.3 |
B | 5 | 32 | 212060 | 1577.69 | 677 | 656 | 134.0 |
B | 10 | 128 | 118479 | 879.3 | 677 | 656 | 134.0 |
B | 0 | 190 | 65080 | 480.79 | 677 | 656 | 134.0 |
C | 9 | 54 | 821347 | 5221.29 | 663 | 666 | 157.2 |
C | 3 | 233 | 55768 | 350.57 | 663 | 666 | 157.2 |
C | 14 | 254 | 13755 | 83.27 | 663 | 666 | 157.2 |
D | 2 | 249 | 530586 | 3274.4 | 644 | 623 | 161.9 |
D | 1 | 52 | 306967 | 1892.76 | 644 | 623 | 161.9 |
D | 13 | 249 | 86592 | 531.16 | 644 | 623 | 161.9 |
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 |
|
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Module-wise count rates for Quadrant B
Data is divided into 100 sec bins |
|
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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 | |