Observation information
- date-obs: 2024-09-22
- time-obs: 15:52:45.549400000
- date-end: 2024-09-22
- time-end: 17:52:27.542700000
- obs_id: A13_037T01_9000006436
- exposure: 5169.8182801
- 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_48601cztM0_level2.fits
| modeM0/AS1A13_037T01_9000006436_48601cztM0_level2_quad_clean.evt
|
Size (bytes) | 556,119,360 | 94,106,880 |
Size | 530.4 MB
| 89.7 MB
|
Events in quadrant A | 6,401,859 | 638,777 |
Events in quadrant B | 6,888,586 | 558,691 |
Events in quadrant C | 2,634,060 | 645,492 |
Events in quadrant D | 4,169,831 | 564,177 |
Level1 data integrity
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 23362 | 1 |
B | 0 | 24870 | 2 |
C | 0 | 12894 | 1 |
D | 0 | 17229 | 1 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 9 | 0 |
B | 0 | 9 | 0 |
C | 0 | 9 | 0 |
D | 0 | 9 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 128 | 0 |
B | 0 | 128 | 0 |
C | 0 | 128 | 0 |
D | 0 | 128 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 6337 | 210 | 3.313871% |
B | 6337 | 1361 | 21.477040% |
C | 6337 | 37 | 0.583872% |
D | 6337 | 355 | 5.602020% |
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 | 7182 | 6338 | 45 | 45 | 0.63% | 0.71% | |
B | 7182 | 6338 | 990 | 990 | 13.78% | 15.62% | |
C | 7182 | 6338 | 2 | 2 | 0.03% | 0.03% | |
D | 7182 | 6338 | 264 | 264 | 3.68% | 4.17% | |
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 | 3801215 | 27209.22 | 662 | 647 | 139.7 |
A | 13 | 248 | 33239 | 233.33 | 662 | 647 | 139.7 |
A | 13 | 254 | 12300 | 83.43 | 662 | 647 | 139.7 |
B | 12 | 16 | 4162531 | 34214.14 | 616 | 595 | 121.6 |
B | 4 | 21 | 73822 | 601.98 | 616 | 595 | 121.6 |
B | 0 | 183 | 73307 | 597.75 | 616 | 595 | 121.6 |
C | 14 | 254 | 42515 | 266.85 | 663 | 667 | 156.8 |
C | 12 | 249 | 5347 | 29.84 | 663 | 667 | 156.8 |
C | 13 | 61 | 4393 | 23.76 | 663 | 667 | 156.8 |
D | 2 | 165 | 741353 | 4589.37 | 646 | 626 | 161.4 |
D | 2 | 249 | 730706 | 4523.4 | 646 | 626 | 161.4 |
D | 10 | 199 | 79283 | 487.34 | 646 | 626 | 161.4 |
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 | |