Observation information
- date-obs: 2024-05-01
- time-obs: 07:52:08.343500000
- date-end: 2024-05-01
- time-end: 09:48:25.337200000
- obs_id: A13_037T01_9000006212
- exposure: 5609.99769348
- 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_9000006212_46461cztM0_level2.fits
| modeM0/AS1A13_037T01_9000006212_46461cztM0_level2_quad_clean.evt
|
Size (bytes) | 422,879,040 | 98,640,000 |
Size | 403.3 MB
| 94.1 MB
|
Events in quadrant A | 5,494,414 | 658,486 |
Events in quadrant B | 2,857,331 | 683,915 |
Events in quadrant C | 2,872,414 | 646,831 |
Events in quadrant D | 3,972,072 | 586,134 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 11 | 0 |
B | 0 | 11 | 0 |
C | 0 | 11 | 0 |
D | 0 | 11 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 120 | 0 |
B | 0 | 120 | 0 |
C | 0 | 120 | 0 |
D | 0 | 120 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 20358 | 1 |
B | 0 | 12468 | 1 |
C | 0 | 12771 | 1 |
D | 0 | 15870 | 1 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 5887 | 203 | 3.448276% |
B | 5887 | 131 | 2.225242% |
C | 5888 | 81 | 1.375679% |
D | 5888 | 255 | 4.330842% |
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 | 6977 | 5888 | 4 | 4 | 0.06% | 0.07% | |
B | 6977 | 5888 | 17 | 17 | 0.24% | 0.29% | |
C | 6978 | 5890 | 24 | 24 | 0.34% | 0.41% | |
D | 6978 | 5890 | 191 | 191 | 2.74% | 3.24% | |
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 | 2811895 | 19917.68 | 678 | 663 | 141.1 |
A | 2 | 79 | 16701 | 113.63 | 678 | 663 | 141.1 |
A | 0 | 247 | 12685 | 85.18 | 678 | 663 | 141.1 |
B | 4 | 158 | 44129 | 329.93 | 674 | 654 | 131.8 |
B | 10 | 128 | 37722 | 281.31 | 674 | 654 | 131.8 |
B | 5 | 32 | 32027 | 238.09 | 674 | 654 | 131.8 |
C | 2 | 14 | 189333 | 1225.1 | 657 | 659 | 154.0 |
C | 3 | 233 | 44096 | 282.05 | 657 | 659 | 154.0 |
C | 12 | 2 | 39990 | 255.39 | 657 | 659 | 154.0 |
D | 1 | 52 | 739127 | 4555.88 | 658 | 639 | 162.1 |
D | 12 | 233 | 187193 | 1150.89 | 658 | 639 | 162.1 |
D | 2 | 249 | 125253 | 768.77 | 658 | 639 | 162.1 |
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 | |