Observation information
- date-obs: 2022-02-20
- time-obs: 18:45:25.509800000
- date-end: 2022-02-21
- time-end: 00:17:43.518300000
- obs_id: C07_014T01_9000004950
- exposure: 8148.98722053
- 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_34604cztM0_level2.evt
| modeM0/AS1C07_014T01_9000004950_34604cztM0_level2_quad_clean.evt
|
Size (bytes) | 1,537,891,200 | 187,899,840 |
Size | 1.4 GB
| 179.2 MB
|
Events in quadrant A | 7,909,935 | 1,203,492 |
Events in quadrant B | 11,281,021 | 1,171,995 |
Events in quadrant C | 8,330,034 | 1,190,671 |
Events in quadrant D | 18,003,580 | 1,046,006 |
Level1 data integrity
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 316 | 0 |
B | 0 | 316 | 0 |
C | 0 | 316 | 0 |
D | 0 | 316 | 0 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 44 | 0 |
B | 0 | 44 | 0 |
C | 0 | 44 | 0 |
D | 0 | 45 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 33703 | 4 |
B | 0 | 43711 | 3 |
C | 0 | 33992 | 3 |
D | 0 | 64607 | 3 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 15628 | 197 | 1.260558% |
B | 15628 | 1136 | 7.269004% |
C | 15628 | 123 | 0.787049% |
D | 15628 | 1557 | 9.962887% |
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 | 19806 | 15631 | 152 | 152 | 0.77% | 0.97% | |
B | 19806 | 15631 | 764 | 764 | 3.86% | 4.89% | |
C | 19806 | 15631 | 80 | 80 | 0.40% | 0.51% | |
D | 19806 | 15631 | 1411 | 1411 | 7.12% | 9.03% | |
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 | 15 | 169 | 480143 | 1269.62 | 1867 | 1833 | 376.7 |
A | 10 | 83 | 100525 | 261.97 | 1867 | 1833 | 376.7 |
A | 9 | 143 | 44284 | 112.68 | 1867 | 1833 | 376.7 |
B | 5 | 172 | 2947133 | 8526.5 | 1812 | 1768 | 345.4 |
B | 0 | 189 | 491434 | 1417.53 | 1812 | 1768 | 345.4 |
B | 4 | 171 | 251173 | 722.0 | 1812 | 1768 | 345.4 |
C | 15 | 214 | 644238 | 1523.38 | 1817 | 1837 | 421.7 |
C | 0 | 10 | 351411 | 828.97 | 1817 | 1837 | 421.7 |
C | 14 | 67 | 139304 | 325.99 | 1817 | 1837 | 421.7 |
D | 8 | 195 | 7265307 | 15260.84 | 1749 | 1720 | 476.0 |
D | 7 | 223 | 974532 | 2043.88 | 1749 | 1720 | 476.0 |
D | 7 | 38 | 924824 | 1939.45 | 1749 | 1720 | 476.0 |
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 |
|
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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 | |