Observation information
- date-obs: 2022-02-20
- time-obs: 23:45:25.517500000
- date-end: 2022-02-21
- time-end: 02:02:08.519000000
- obs_id: C07_014T01_9000004950
- exposure: 2356.56414436
- 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_34605cztM0_level2.evt
| modeM0/AS1C07_014T01_9000004950_34605cztM0_level2_quad_clean.evt
|
Size (bytes) | 562,734,720 | 57,591,360 |
Size | 536.7 MB
| 54.9 MB
|
Events in quadrant A | 2,720,341 | 358,843 |
Events in quadrant B | 4,605,336 | 331,187 |
Events in quadrant C | 3,060,990 | 352,809 |
Events in quadrant D | 6,273,823 | 305,632 |
Level1 data integrity
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 114 | 0 |
B | 0 | 114 | 0 |
C | 0 | 114 | 0 |
D | 0 | 114 | 0 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 26 | 0 |
B | 0 | 26 | 0 |
C | 0 | 26 | 0 |
D | 0 | 27 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 11638 | 3 |
B | 0 | 17290 | 2 |
C | 0 | 12214 | 2 |
D | 0 | 22494 | 2 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 5648 | 15 | 0.265581% |
B | 5648 | 668 | 11.827195% |
C | 5648 | 86 | 1.522663% |
D | 5648 | 628 | 11.118980% |
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 | 7261 | 5649 | 6 | 6 | 0.08% | 0.11% | |
B | 7261 | 5649 | 473 | 473 | 6.51% | 8.37% | |
C | 7261 | 5649 | 67 | 67 | 0.92% | 1.19% | |
D | 7261 | 5649 | 516 | 516 | 7.11% | 9.13% | |
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 | 43561 | 314.59 | 677 | 664 | 136.4 |
A | 9 | 143 | 42267 | 305.1 | 677 | 664 | 136.4 |
A | 13 | 254 | 9593 | 65.48 | 677 | 664 | 136.4 |
B | 5 | 172 | 1832903 | 14901.01 | 638 | 622 | 123.0 |
B | 0 | 189 | 50378 | 404.64 | 638 | 622 | 123.0 |
B | 5 | 255 | 45256 | 362.99 | 638 | 622 | 123.0 |
C | 15 | 214 | 236723 | 1537.45 | 656 | 665 | 153.5 |
C | 0 | 10 | 220777 | 1433.6 | 656 | 665 | 153.5 |
C | 14 | 67 | 29035 | 184.77 | 656 | 665 | 153.5 |
D | 8 | 195 | 2497773 | 15526.89 | 629 | 614 | 160.8 |
D | 2 | 250 | 608099 | 3777.23 | 629 | 614 | 160.8 |
D | 7 | 223 | 225240 | 1396.68 | 629 | 614 | 160.8 |
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 |
|
|
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 | |