Observation information
- date-obs: 2024-09-17
- time-obs: 19:17:19.888700000
- date-end: 2024-09-17
- time-end: 21:25:10.883100000
- obs_id: A13_037T01_9000006436
- exposure: 6203.83463699
- 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_9000006436_48529cztM0_level2.fits
| modeM0/AS1A13_037T01_9000006436_48529cztM0_level2_quad_clean.evt
|
Size (bytes) | 485,418,240 | 104,843,520 |
Size | 462.9 MB
| 100.0 MB
|
Events in quadrant A | 7,192,050 | 686,589 |
Events in quadrant B | 3,194,821 | 722,667 |
Events in quadrant C | 2,795,418 | 699,354 |
Events in quadrant D | 4,263,598 | 596,624 |
Level1 data integrity
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 26062 | 34 |
B | 0 | 14512 | 6 |
C | 0 | 13703 | 8 |
D | 0 | 17886 | 17 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 10 | 1 |
B | 0 | 10 | 0 |
C | 0 | 10 | 1 |
D | 0 | 10 | 1 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 136 | 0 |
B | 0 | 136 | 0 |
C | 0 | 136 | 0 |
D | 0 | 136 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 6730 | 286 | 4.249629% |
B | 6733 | 85 | 1.262439% |
C | 6733 | 15 | 0.222783% |
D | 6732 | 504 | 7.486631% |
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 | 7635 | 6734 | 125 | 125 | 1.64% | 1.86% | |
B | 7634 | 6735 | 32 | 32 | 0.42% | 0.48% | |
C | 7635 | 6736 | 5 | 5 | 0.07% | 0.07% | |
D | 7634 | 6735 | 414 | 414 | 5.42% | 6.15% | |
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 | 4275679 | 29182.5 | 698 | 684 | 146.5 |
A | 12 | 189 | 170521 | 1159.36 | 698 | 684 | 146.5 |
A | 0 | 31 | 19248 | 126.72 | 698 | 684 | 146.5 |
B | 5 | 255 | 192243 | 1382.92 | 705 | 684 | 138.5 |
B | 5 | 171 | 103130 | 739.59 | 705 | 684 | 138.5 |
B | 12 | 16 | 51421 | 366.28 | 705 | 684 | 138.5 |
C | 14 | 254 | 24485 | 143.52 | 701 | 704 | 165.7 |
C | 3 | 233 | 18208 | 105.64 | 701 | 704 | 165.7 |
C | 12 | 250 | 10331 | 58.1 | 701 | 704 | 165.7 |
D | 2 | 165 | 1326250 | 7741.57 | 679 | 659 | 171.2 |
D | 2 | 249 | 113442 | 658.66 | 679 | 659 | 171.2 |
D | 12 | 233 | 93497 | 542.18 | 679 | 659 | 171.2 |
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 | |