Observation information
- date-obs: 2024-09-23
- time-obs: 00:17:19.523200000
- date-end: 2024-09-23
- time-end: 02:31:00.516600000
- obs_id: A13_037T01_9000006436
- exposure: 6071.96539545
- 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_48607cztM0_level2.fits
| modeM0/AS1A13_037T01_9000006436_48607cztM0_level2_quad_clean.evt
|
Size (bytes) | 502,084,800 | 104,955,840 |
Size | 478.8 MB
| 100.1 MB
|
Events in quadrant A | 7,487,047 | 675,338 |
Events in quadrant B | 3,926,708 | 715,268 |
Events in quadrant C | 2,724,795 | 707,578 |
Events in quadrant D | 3,944,487 | 627,453 |
Level1 data integrity
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 26906 | 2 |
B | 0 | 16273 | 2 |
C | 0 | 13189 | 2 |
D | 0 | 16613 | 2 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 14 | 0 |
B | 0 | 15 | 0 |
C | 0 | 15 | 0 |
D | 0 | 15 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 134 | 0 |
B | 0 | 134 | 0 |
C | 0 | 134 | 0 |
D | 0 | 134 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 6479 | 449 | 6.930082% |
B | 6478 | 371 | 5.727076% |
C | 6478 | 13 | 0.200679% |
D | 6478 | 147 | 2.269219% |
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 | 7629 | 6480 | 219 | 219 | 2.87% | 3.38% | |
B | 7628 | 6479 | 203 | 203 | 2.66% | 3.13% | |
C | 7628 | 6479 | 0 | 0 | 0.00% | 0.00% | |
D | 7628 | 6479 | 93 | 93 | 1.22% | 1.44% | |
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 | 4001055 | 27739.92 | 690 | 675 | 144.2 |
A | 13 | 248 | 807265 | 5593.15 | 690 | 675 | 144.2 |
A | 13 | 254 | 11609 | 75.82 | 690 | 675 | 144.2 |
B | 12 | 16 | 1144951 | 8408.72 | 695 | 675 | 136.1 |
B | 0 | 183 | 23723 | 169.37 | 695 | 675 | 136.1 |
B | 12 | 111 | 17220 | 121.58 | 695 | 675 | 136.1 |
C | 12 | 249 | 5528 | 29.53 | 696 | 700 | 163.5 |
C | 13 | 61 | 4627 | 24.02 | 696 | 700 | 163.5 |
C | 12 | 250 | 2600 | 11.62 | 696 | 700 | 163.5 |
D | 2 | 165 | 1273498 | 7458.0 | 679 | 657 | 170.7 |
D | 2 | 234 | 30779 | 176.49 | 679 | 657 | 170.7 |
D | 2 | 233 | 24600 | 140.29 | 679 | 657 | 170.7 |
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 | |