Observation information
- date-obs: 2022-05-03
- time-obs: 19:00:11.406000000
- date-end: 2022-05-03
- time-end: 20:11:23.380800000
- obs_id: A09_029T02_9000005106
- exposure: 1200.24700296
- 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_35668cztM0_level2.evt
| modeM0/AS1A09_029T02_9000005106_35668cztM0_level2_quad_clean.evt
|
Size (bytes) | 192,435,840 | 27,408,960 |
Size | 183.5 MB
| 26.1 MB
|
Events in quadrant A | 1,134,277 | 172,861 |
Events in quadrant B | 1,311,940 | 176,697 |
Events in quadrant C | 1,579,689 | 164,678 |
Events in quadrant D | 1,654,049 | 159,549 |
Level1 data integrity
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 46 | 0 |
B | 0 | 46 | 0 |
C | 0 | 46 | 0 |
D | 0 | 46 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 4567 | 2 |
B | 0 | 5176 | 1 |
C | 0 | 6029 | 1 |
D | 0 | 6276 | 1 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 21 | 0 |
B | 0 | 21 | 0 |
C | 0 | 21 | 0 |
D | 0 | 21 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 2147 | 4 | 0.186306% |
B | 2147 | 55 | 2.561714% |
C | 2147 | 123 | 5.728924% |
D | 2147 | 137 | 6.380997% |
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 | 4271 | 2148 | 1 | 1 | 0.02% | 0.05% | |
B | 4271 | 2148 | 35 | 35 | 0.82% | 1.63% | |
C | 4271 | 2148 | 104 | 104 | 2.44% | 4.84% | |
D | 4271 | 2148 | 100 | 100 | 2.34% | 4.66% | |
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 | 65230 | 1171.19 | 267 | 262 | 55.5 |
A | 15 | 169 | 23457 | 418.14 | 267 | 262 | 55.5 |
A | 13 | 6 | 7775 | 135.44 | 267 | 262 | 55.5 |
B | 5 | 255 | 134894 | 2574.82 | 266 | 260 | 52.3 |
B | 5 | 172 | 87336 | 1665.29 | 266 | 260 | 52.3 |
B | 5 | 200 | 28902 | 547.77 | 266 | 260 | 52.3 |
C | 0 | 10 | 173572 | 2828.7 | 256 | 258 | 61.3 |
C | 1 | 23 | 143209 | 2333.14 | 256 | 258 | 61.3 |
C | 14 | 128 | 139777 | 2277.12 | 256 | 258 | 61.3 |
D | 13 | 249 | 458390 | 7155.7 | 257 | 249 | 64.0 |
D | 7 | 80 | 92117 | 1434.88 | 257 | 249 | 64.0 |
D | 10 | 118 | 28707 | 444.49 | 257 | 249 | 64.0 |
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 | |