Observation information
- date-obs: 2022-02-20
- time-obs: 11:25:25.498100000
- date-end: 2022-02-20
- time-end: 13:47:28.500900000
- obs_id: C07_014T01_9000004950
- exposure: 4165.96312663
- sourceid: Crab
- observer: arrao
- ra_pnt: 83.63321
- dec_pnt: 22.01446
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1C07_014T01_9000004950_34598cztM0_level2.evt
| modeM0/AS1C07_014T01_9000004950_34598cztM0_level2_quad_clean.evt
|
Size (bytes) | 505,670,400 | 94,717,440 |
Size | 482.2 MB
| 90.3 MB
|
Events in quadrant A | 2,566,524 | 657,966 |
Events in quadrant B | 3,504,459 | 641,150 |
Events in quadrant C | 2,872,691 | 638,479 |
Events in quadrant D | 6,031,633 | 579,591 |
Level1 data integrity
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 102 | 0 |
B | 0 | 102 | 0 |
C | 0 | 102 | 0 |
D | 0 | 102 | 0 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 35 | 0 |
B | 0 | 35 | 0 |
C | 0 | 35 | 0 |
D | 0 | 36 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 10563 | 3 |
B | 0 | 13484 | 2 |
C | 0 | 11377 | 2 |
D | 0 | 21595 | 2 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 5008 | 18 | 0.359425% |
B | 5008 | 310 | 6.190096% |
C | 5008 | 45 | 0.898562% |
D | 5008 | 354 | 7.068690% |
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 | 7072 | 5009 | 8 | 8 | 0.11% | 0.16% | |
B | 7072 | 5009 | 220 | 220 | 3.11% | 4.39% | |
C | 7072 | 5009 | 35 | 35 | 0.49% | 0.70% | |
D | 7072 | 5009 | 409 | 409 | 5.78% | 8.17% | |
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 | 9 | 143 | 46429 | 355.45 | 638 | 627 | 128.9 |
A | 10 | 83 | 44719 | 342.18 | 638 | 627 | 128.9 |
A | 13 | 254 | 9340 | 67.62 | 638 | 627 | 128.9 |
B | 5 | 172 | 792646 | 6674.62 | 613 | 599 | 118.7 |
B | 5 | 255 | 117050 | 981.34 | 613 | 599 | 118.7 |
B | 0 | 189 | 88011 | 736.62 | 613 | 599 | 118.7 |
C | 15 | 214 | 213954 | 1511.75 | 607 | 616 | 141.1 |
C | 0 | 10 | 130299 | 918.95 | 607 | 616 | 141.1 |
C | 0 | 207 | 59120 | 414.57 | 607 | 616 | 141.1 |
D | 8 | 195 | 2708406 | 16429.35 | 598 | 589 | 164.8 |
D | 7 | 38 | 554071 | 3358.18 | 598 | 589 | 164.8 |
D | 13 | 249 | 141908 | 857.44 | 598 | 589 | 164.8 |
Detector plane histogram (DPH)
Histogram calculated using DETX and DETY for each event in the final _common_clean file
Quadrant A |
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|
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 |
|
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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 | |