Observation information
- date-obs: 2024-09-22
- time-obs: 17:30:44.543600000
- date-end: 2024-09-22
- time-end: 19:34:51.537900000
- obs_id: A13_037T01_9000006436
- exposure: 5701.85407662
- 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_48602cztM0_level2.fits
| modeM0/AS1A13_037T01_9000006436_48602cztM0_level2_quad_clean.evt
|
Size (bytes) | 513,587,520 | 98,735,040 |
Size | 489.8 MB
| 94.2 MB
|
Events in quadrant A | 6,642,302 | 660,322 |
Events in quadrant B | 3,954,639 | 661,506 |
Events in quadrant C | 2,732,578 | 670,191 |
Events in quadrant D | 5,181,546 | 547,784 |
Level1 data integrity
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 24060 | 1 |
B | 0 | 16536 | 1 |
C | 0 | 13220 | 1 |
D | 0 | 20079 | 1 |
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 | 130 | 0 |
B | 0 | 130 | 0 |
C | 0 | 130 | 0 |
D | 0 | 130 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 6447 | 211 | 3.272840% |
B | 6448 | 441 | 6.839330% |
C | 6448 | 35 | 0.542804% |
D | 6448 | 741 | 11.491935% |
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 | 7447 | 6448 | 72 | 72 | 0.97% | 1.12% | |
B | 7448 | 6449 | 287 | 287 | 3.85% | 4.45% | |
C | 7448 | 6449 | 3 | 3 | 0.04% | 0.05% | |
D | 7448 | 6449 | 645 | 645 | 8.66% | 10.00% | |
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 | 3985142 | 28159.22 | 676 | 660 | 141.5 |
A | 13 | 248 | 36324 | 252.05 | 676 | 660 | 141.5 |
A | 13 | 254 | 12802 | 85.81 | 676 | 660 | 141.5 |
B | 12 | 16 | 974836 | 7395.63 | 667 | 644 | 131.7 |
B | 0 | 186 | 164642 | 1245.0 | 667 | 644 | 131.7 |
B | 4 | 21 | 67355 | 506.44 | 667 | 644 | 131.7 |
C | 14 | 254 | 65145 | 401.62 | 678 | 682 | 160.5 |
C | 12 | 249 | 13813 | 81.81 | 678 | 682 | 160.5 |
C | 12 | 250 | 5728 | 31.44 | 678 | 682 | 160.5 |
D | 2 | 165 | 2266687 | 14201.49 | 638 | 618 | 159.6 |
D | 2 | 249 | 203486 | 1271.38 | 638 | 618 | 159.6 |
D | 10 | 199 | 85378 | 531.19 | 638 | 618 | 159.6 |
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 | |