Observation information
- date-obs: 2024-09-16
- time-obs: 08:04:53.965800000
- date-end: 2024-09-16
- time-end: 10:43:43.959600000
- obs_id: A13_037T01_9000006432
- exposure: 7642.66524643
- 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_9000006432_48508cztM0_level2.fits
| modeM0/AS1A13_037T01_9000006432_48508cztM0_level2_quad_clean.evt
|
Size (bytes) | 618,719,040 | 129,850,560 |
Size | 590.1 MB
| 123.8 MB
|
Events in quadrant A | 8,698,825 | 834,115 |
Events in quadrant B | 4,035,531 | 890,275 |
Events in quadrant C | 3,855,665 | 878,663 |
Events in quadrant D | 5,641,895 | 728,803 |
Level1 data integrity
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 M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 32625 | 2 |
B | 0 | 18442 | 2 |
C | 0 | 18176 | 2 |
D | 0 | 23295 | 2 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 178 | 0 |
B | 0 | 178 | 0 |
C | 0 | 178 | 0 |
D | 0 | 178 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 8640 | 779 | 9.016204% |
B | 8641 | 567 | 6.561741% |
C | 8641 | 347 | 4.015739% |
D | 8641 | 1027 | 11.885198% |
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 | 9530 | 8644 | 1 | 1 | 0.01% | 0.01% | |
B | 9531 | 8644 | 4 | 4 | 0.04% | 0.05% | |
C | 9531 | 8645 | 0 | 0 | 0.00% | 0.00% | |
D | 9531 | 8644 | 603 | 603 | 6.33% | 6.98% | |
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 | 4801747 | 23406.52 | 973 | 950 | 205.1 |
A | 12 | 189 | 130155 | 629.95 | 973 | 950 | 205.1 |
A | 13 | 254 | 16592 | 76.26 | 973 | 950 | 205.1 |
B | 8 | 234 | 77428 | 384.67 | 985 | 951 | 198.8 |
B | 12 | 16 | 41496 | 203.94 | 985 | 951 | 198.8 |
B | 12 | 111 | 26348 | 127.74 | 985 | 951 | 198.8 |
C | 1 | 3 | 11199 | 43.96 | 984 | 984 | 232.4 |
C | 13 | 61 | 6323 | 22.97 | 984 | 984 | 232.4 |
C | 3 | 233 | 5625 | 19.97 | 984 | 984 | 232.4 |
D | 2 | 165 | 1787852 | 7538.1 | 937 | 901 | 237.1 |
D | 7 | 38 | 122472 | 512.84 | 937 | 901 | 237.1 |
D | 12 | 233 | 67847 | 282.41 | 937 | 901 | 237.1 |
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 | |