Observation information
- date-obs: 2022-02-21
- time-obs: 15:12:52.536600000
- date-end: 2022-02-21
- time-end: 17:41:23.544200000
- obs_id: A11_046T09_9000004952
- exposure: 4587.54967432
- sourceid: NGC4656
- observer: samyaday
- ra_pnt: 190.9897
- dec_pnt: 32.17036
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A11_046T09_9000004952_34615cztM0_level2.evt
| modeM0/AS1A11_046T09_9000004952_34615cztM0_level2_quad_clean.evt
|
Size (bytes) | 500,184,000 | 89,406,720 |
Size | 477.0 MB
| 85.3 MB
|
Events in quadrant A | 2,843,664 | 585,098 |
Events in quadrant B | 3,766,404 | 576,291 |
Events in quadrant C | 3,121,468 | 580,078 |
Events in quadrant D | 5,011,200 | 548,165 |
Level1 data integrity
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 122 | 0 |
B | 0 | 122 | 0 |
C | 0 | 122 | 0 |
D | 0 | 122 | 0 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 30 | 0 |
B | 0 | 30 | 0 |
C | 0 | 30 | 0 |
D | 0 | 30 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 12394 | 3 |
B | 0 | 15042 | 2 |
C | 0 | 12730 | 2 |
D | 0 | 19024 | 2 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 5987 | 10 | 0.167029% |
B | 5987 | 306 | 5.111074% |
C | 5987 | 64 | 1.068983% |
D | 5987 | 116 | 1.937531% |
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 | 8911 | 5989 | 1 | 1 | 0.01% | 0.02% | |
B | 8911 | 5989 | 201 | 201 | 2.26% | 3.36% | |
C | 8911 | 5989 | 40 | 40 | 0.45% | 0.67% | |
D | 8911 | 5989 | 94 | 94 | 1.05% | 1.57% | |
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 | 47715 | 331.31 | 699 | 685 | 142.0 |
A | 15 | 169 | 45503 | 315.73 | 699 | 685 | 142.0 |
A | 13 | 6 | 16588 | 112.03 | 699 | 685 | 142.0 |
B | 5 | 172 | 978713 | 7403.16 | 681 | 664 | 132.1 |
B | 4 | 232 | 34017 | 252.46 | 681 | 664 | 132.1 |
B | 5 | 255 | 17654 | 128.6 | 681 | 664 | 132.1 |
C | 15 | 214 | 247981 | 1574.63 | 677 | 682 | 157.1 |
C | 0 | 10 | 157152 | 996.3 | 677 | 682 | 157.1 |
C | 14 | 67 | 44089 | 276.39 | 677 | 682 | 157.1 |
D | 8 | 195 | 1629834 | 8844.6 | 669 | 655 | 184.2 |
D | 10 | 118 | 152363 | 823.6 | 669 | 655 | 184.2 |
D | 10 | 230 | 124139 | 670.38 | 669 | 655 | 184.2 |
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 | |