Observation information
- date-obs: 2024-07-21
- time-obs: 03:25:46.505300000
- date-end: 2024-07-21
- time-end: 05:44:48.493900000
- obs_id: A13_082T01_9000006342
- exposure: 6423.09208333
- sourceid: NGC 1399
- observer: pshalima
- ra_pnt: 54.62094
- dec_pnt: -35.45066
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A13_082T01_9000006342_47659cztM0_level2.fits
| modeM0/AS1A13_082T01_9000006342_47659cztM0_level2_quad_clean.evt
|
Size (bytes) | 488,502,720 | 108,302,400 |
Size | 465.9 MB
| 103.3 MB
|
Events in quadrant A | 7,324,346 | 705,041 |
Events in quadrant B | 3,536,104 | 741,740 |
Events in quadrant C | 3,059,449 | 715,038 |
Events in quadrant D | 3,638,965 | 646,376 |
Level1 data integrity
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 26528 | 2 |
B | 0 | 15061 | 2 |
C | 0 | 13896 | 2 |
D | 0 | 15750 | 2 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 138 | 0 |
B | 0 | 138 | 0 |
C | 0 | 138 | 0 |
D | 0 | 138 | 0 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 15 | 0 |
B | 0 | 16 | 0 |
C | 0 | 16 | 0 |
D | 0 | 16 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 6755 | 287 | 4.248705% |
B | 6755 | 54 | 0.799408% |
C | 6755 | 35 | 0.518135% |
D | 6755 | 173 | 2.561066% |
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 | 7680 | 6756 | 74 | 74 | 0.96% | 1.10% | |
B | 7680 | 6756 | 6 | 6 | 0.08% | 0.09% | |
C | 7680 | 6756 | 2 | 2 | 0.03% | 0.03% | |
D | 7680 | 6756 | 134 | 134 | 1.74% | 1.98% | |
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 | 3925610 | 25171.79 | 751 | 735 | 155.9 |
A | 9 | 191 | 485493 | 3108.95 | 751 | 735 | 155.9 |
A | 3 | 137 | 9019 | 53.13 | 751 | 735 | 155.9 |
B | 0 | 200 | 215743 | 1431.83 | 758 | 733 | 150.2 |
B | 5 | 255 | 162592 | 1077.88 | 758 | 733 | 150.2 |
B | 5 | 172 | 86838 | 573.4 | 758 | 733 | 150.2 |
C | 14 | 254 | 53106 | 290.59 | 757 | 760 | 180.1 |
C | 3 | 233 | 47463 | 259.26 | 757 | 760 | 180.1 |
C | 1 | 3 | 7416 | 36.95 | 757 | 760 | 180.1 |
D | 12 | 2 | 663248 | 3522.98 | 748 | 723 | 188.1 |
D | 2 | 249 | 72075 | 379.41 | 748 | 723 | 188.1 |
D | 2 | 234 | 31152 | 161.81 | 748 | 723 | 188.1 |
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 |
|
|
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 | |