Observation information
- date-obs: 2024-09-14
- time-obs: 11:29:13.163700000
- date-end: 2024-09-14
- time-end: 13:32:51.154800000
- obs_id: A13_081T01_9000006428
- exposure: 7106.61952442
- sourceid: 1ES 1927+654
- observer: savithri
- ra_pnt: 291.8314
- dec_pnt: 65.56506
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A13_081T01_9000006428_48480cztM0_level2.fits
| modeM0/AS1A13_081T01_9000006428_48480cztM0_level2_quad_clean.evt
|
Size (bytes) | 492,240,960 | 115,384,320 |
Size | 469.4 MB
| 110.0 MB
|
Events in quadrant A | 7,355,619 | 771,505 |
Events in quadrant B | 3,249,952 | 794,854 |
Events in quadrant C | 3,125,101 | 746,049 |
Events in quadrant D | 3,914,778 | 664,950 |
Level1 data integrity
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 27800 | 0 |
B | 0 | 15196 | 0 |
C | 0 | 15161 | 0 |
D | 0 | 17319 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 148 | 0 |
B | 0 | 148 | 0 |
C | 0 | 148 | 0 |
D | 0 | 148 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 7418 | 76 | 1.024535% |
B | 7418 | 22 | 0.296576% |
C | 7418 | 15 | 0.202211% |
D | 7418 | 235 | 3.167970% |
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 | 7418 | 7418 | 2 | 2 | 0.03% | 0.03% | |
B | 7418 | 7418 | 5 | 5 | 0.07% | 0.07% | |
C | 7418 | 7418 | 14 | 14 | 0.19% | 0.19% | |
D | 7418 | 7418 | 223 | 223 | 3.01% | 3.01% | |
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 | 4270916 | 25821.49 | 786 | 770 | 165.4 |
A | 7 | 3 | 39018 | 231.28 | 786 | 770 | 165.4 |
A | 13 | 254 | 13988 | 79.93 | 786 | 770 | 165.4 |
B | 0 | 186 | 66462 | 425.45 | 782 | 756 | 154.4 |
B | 8 | 234 | 29536 | 186.35 | 782 | 756 | 154.4 |
B | 12 | 3 | 29140 | 183.79 | 782 | 756 | 154.4 |
C | 1 | 3 | 66577 | 364.58 | 766 | 768 | 180.5 |
C | 14 | 254 | 21812 | 116.58 | 766 | 768 | 180.5 |
C | 14 | 67 | 16452 | 86.89 | 766 | 768 | 180.5 |
D | 2 | 249 | 410294 | 2153.58 | 758 | 732 | 190.2 |
D | 12 | 233 | 332475 | 1744.39 | 758 | 732 | 190.2 |
D | 10 | 199 | 90996 | 474.63 | 758 | 732 | 190.2 |
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 |
|
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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 |
|
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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 |
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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 | |