Observation information
- date-obs: 2022-05-04
- time-obs: 00:43:56.367900000
- date-end: 2022-05-04
- time-end: 03:12:07.362700000
- obs_id: A09_029T02_9000005106
- exposure: 3117.90591745
- sourceid: Vela -D IV
- observer: fsutaria
- ra_pnt: 135.0093
- dec_pnt: -45.23354
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A09_029T02_9000005106_35672cztM0_level2.evt
| modeM0/AS1A09_029T02_9000005106_35672cztM0_level2_quad_clean.evt
|
Size (bytes) | 463,343,040 | 65,275,200 |
Size | 441.9 MB
| 62.3 MB
|
Events in quadrant A | 2,832,328 | 400,637 |
Events in quadrant B | 3,587,521 | 400,863 |
Events in quadrant C | 3,396,945 | 400,195 |
Events in quadrant D | 3,810,194 | 357,875 |
Level1 data integrity
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 122 | 0 |
B | 0 | 122 | 0 |
C | 0 | 122 | 0 |
D | 0 | 122 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 12197 | 3 |
B | 0 | 14578 | 2 |
C | 0 | 13651 | 2 |
D | 0 | 15412 | 2 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 30 | 0 |
B | 0 | 30 | 0 |
C | 0 | 30 | 0 |
D | 0 | 30 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 5969 | 8 | 0.134026% |
B | 5969 | 162 | 2.714022% |
C | 5969 | 191 | 3.199866% |
D | 5969 | 342 | 5.729603% |
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 | 8891 | 5971 | 1 | 1 | 0.01% | 0.02% | |
B | 8891 | 5971 | 116 | 116 | 1.30% | 1.94% | |
C | 8891 | 5971 | 158 | 158 | 1.78% | 2.65% | |
D | 8891 | 5970 | 320 | 320 | 3.60% | 5.36% | |
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 | 151558 | 1090.39 | 679 | 664 | 138.4 |
A | 15 | 169 | 29226 | 206.4 | 679 | 664 | 138.4 |
A | 13 | 6 | 17282 | 120.09 | 679 | 664 | 138.4 |
B | 5 | 172 | 606707 | 4669.78 | 669 | 650 | 129.8 |
B | 5 | 255 | 187845 | 1442.37 | 669 | 650 | 129.8 |
B | 5 | 31 | 104355 | 799.07 | 669 | 650 | 129.8 |
C | 0 | 10 | 329977 | 2165.73 | 651 | 653 | 152.1 |
C | 1 | 23 | 266244 | 1746.6 | 651 | 653 | 152.1 |
C | 15 | 214 | 247397 | 1622.66 | 651 | 653 | 152.1 |
D | 13 | 249 | 896953 | 5670.77 | 639 | 620 | 158.1 |
D | 12 | 6 | 108487 | 682.43 | 639 | 620 | 158.1 |
D | 2 | 153 | 46456 | 289.99 | 639 | 620 | 158.1 |
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 |
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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 |
|
|
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 | |