Database: Wind Shock Analysis
Event ID: 20162862115
Observation time: 10/12/2016 286.88582 2115 [UT]
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General
Information (About, Top)
Year |
2016 |
Fractional day of year |
286.885816 |
Arrival time of shock [seconds of day] |
76534.5 ± 10.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
247.142 |
Y GSE location of spacecraft [Re] |
-70.449 |
Z GSE location of spacecraft [Re] |
14.152 |
Upstream plasma points selected for analysis |
0006 |
Upstream field points selected for analysis |
0173 |
Downstream plasma points selected for analysis |
0004
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Downstream field points selected for analysis |
0122 |
Minimum chisq/dof for RH8,RH9,RH10 |
7.22, 23.77, 25.49 |
Event added to database
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Fri Jan 13 15:28:01 2017
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Event last processed
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Fri Jan 13 16:11:01 2017
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Method selected
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RH08
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Propagation delay to Earth [minutes]
|
57.983 ± 5.991
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-344.1 ± 1.3 |
-396.9 ± 2.9 |
Vy GSE [km/s] |
4.5 ± 0.7 |
7.7 ± 2.7 |
Vz GSE [km/s] |
-1.7 ± 2.8 |
35.4 ± 3.7 |
Wi [km/s] |
20.8 ± 2.4 |
40.9 ± 0.7 |
We [km/s] |
657.5 ± 74.8 |
1293.7 ± 21.5 |
Ni [n/cc] |
5.5 ± 0.2 |
14.9 ± 0.9 |
Bx GSE [nT] |
3.3 ± 0.3 |
5.0 ± 0.5 |
By GSE [nT] |
0.7 ± 0.2 |
1.4 ± 1.0 |
Bz GSE [nT] |
-0.2 ± 0.4 |
3.4 ± 0.4 |
Plasma Beta
|
0.427 ± 0.422
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1.348 ± 1.369
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Sound Speed [km/s]
|
26.84 ± 3.05
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52.82 ± 0.88
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Alfven Speed [km/s]
|
32.05 ± 2.17
|
35.63 ± 3.28
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.901 ± 0.074 |
-0.135 ± 0.087 |
0.412 ± 0.387 |
24.36 ± 10.30 |
188.52 ± 5.48 |
VC |
-0.817 ± 0.034 |
0.050 ± 0.038 |
0.574 ± 0.501 |
35.03 ± 3.41 |
176.49 ± 2.67 |
MX1 |
-0.915 ± 0.064 |
-0.036 ± 0.080 |
0.401 ± 0.378 |
23.62 ± 9.17 |
182.25 ± 5.00 |
MX2 |
-0.913 ± 0.057 |
0.018 ± 0.021 |
0.408 ± 0.384 |
24.07 ± 8.02 |
178.89 ± 1.30 |
MX3 |
-0.911 ± 0.054 |
0.040 ± 0.031 |
0.410 ± 0.386 |
24.23 ± 7.56 |
177.51 ± 1.93 |
RH08 |
-0.948 ± 0.006 |
0.025 ± 0.017 |
0.318 ± 0.307 |
18.57 ± 1.04 |
178.50 ± 1.05 |
RH09 |
-1.000 ± 0.002 |
0.009 ± 0.070 |
0.028 ± 0.028 |
1.60 ± 3.65 |
179.50 ± 4.00 |
RH10 |
-1.000 ± 0.002 |
0.009 ± 0.069 |
0.028 ± 0.028 |
1.60 ± 3.87 |
179.50 ± 3.97 |
Average |
-0.926 |
-0.003 |
0.322 |
19.134 |
180.146 |
Median |
-0.913 |
0.018 |
0.408 |
24.068 |
179.499 |
Deviation |
0.059 |
0.059 |
0.195 |
11.744 |
3.780 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
21.3 ± 7.2 |
408.6 ± 1.0 |
2.72 ± 0.25 |
VC |
34.9 ± 7.4 |
382.5 ± 1.2 |
2.72 ± 0.25 |
MX1 |
22.5 ± 7.4 |
414.7 ± 1.0 |
2.72 ± 0.25 |
MX2 |
24.4 ± 7.3 |
414.2 ± 1.0 |
2.72 ± 0.25 |
MX3 |
25.3 ± 7.3 |
413.6 ± 1.0 |
2.72 ± 0.25 |
RH08 |
20.5 ± 7.1 |
424.2 ± 0.9 |
2.72 ± 0.25 |
RH09 |
14.6 ± 2.3 |
430.1 ± 0.7 |
2.72 ± 0.25 |
RH10 |
14.6 ± 2.3 |
430.1 ± 3.3 |
2.72 ± 0.25 |
Average |
22.3 |
414.7 |
2.72 |
Median |
22.5 |
414.7 |
2.72 |
Deviation |
6.5 |
15.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
99.9 ± 1.7 |
22.8 ± 2.0 |
29.9 ± 2.0 |
35.1 ± 2.3 |
4.42 ± 0.46 |
2.86 ± 0.21 |
VC |
101.9 ± 2.0 |
18.8 ± 1.6 |
26.3 ± 1.8 |
37.4 ± 2.5 |
5.45 ± 0.54 |
2.74 ± 0.21 |
MX1 |
100.5 ± 1.7 |
22.5 ± 2.0 |
29.6 ± 2.0 |
35.3 ± 2.3 |
4.51 ± 0.47 |
2.86 ± 0.21 |
MX2 |
100.7 ± 1.7 |
21.9 ± 1.9 |
29.2 ± 2.0 |
35.7 ± 2.3 |
4.63 ± 0.48 |
2.83 ± 0.21 |
MX3 |
100.6 ± 1.7 |
21.7 ± 1.9 |
29.0 ± 2.0 |
35.8 ± 2.3 |
4.68 ± 0.48 |
2.82 ± 0.21 |
RH8 |
98.5 ± 1.5 |
23.0 ± 2.1 |
30.0 ± 2.0 |
35.0 ± 2.2 |
4.32 ± 0.46 |
2.83 ± 0.20 |
RH9 |
86.1 ± 1.3 |
24.5 ± 2.3 |
31.0 ± 2.1 |
33.9 ± 2.1 |
3.55 ± 0.40 |
2.55 ± 0.18 |
RH10 |
86.1 ± 1.3 |
24.5 ± 2.3 |
31.0 ± 2.1 |
33.9 ± 2.1 |
3.55 ± 0.40 |
2.55 ± 0.18 |
Average |
96.8 |
22.4 |
29.5 |
35.3 |
4.4 |
2.8 |
Median |
100.5 |
22.8 |
29.9 |
35.3 |
4.5 |
2.8 |
Deviation |
6.7 |
1.8 |
1.5 |
1.1 |
0.6 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
37.5 ± 3.0 |
31.7 ± 2.5 |
33.2 ± 3.1 |
55.3 ± 0.6 |
1.19 ± 0.09 |
0.68 ± 0.05 |
VC |
37.4 ± 2.9 |
26.6 ± 1.9 |
29.2 ± 2.7 |
57.9 ± 0.8 |
1.41 ± 0.13 |
0.64 ± 0.05 |
MX1 |
37.4 ± 2.9 |
31.3 ± 2.4 |
32.9 ± 3.0 |
55.5 ± 0.6 |
1.20 ± 0.09 |
0.67 ± 0.05 |
MX2 |
37.3 ± 2.8 |
30.6 ± 2.3 |
32.4 ± 3.0 |
55.9 ± 0.6 |
1.22 ± 0.10 |
0.67 ± 0.05 |
MX3 |
37.2 ± 2.8 |
30.3 ± 2.3 |
32.2 ± 3.0 |
56.1 ± 0.6 |
1.23 ± 0.10 |
0.66 ± 0.05 |
RH8 |
36.7 ± 2.8 |
31.9 ± 2.5 |
33.4 ± 3.1 |
55.2 ± 0.6 |
1.15 ± 0.09 |
0.66 ± 0.05 |
RH9 |
32.3 ± 2.8 |
33.6 ± 2.8 |
34.5 ± 3.2 |
54.1 ± 0.6 |
0.96 ± 0.06 |
0.60 ± 0.05 |
RH10 |
32.3 ± 2.8 |
33.6 ± 2.8 |
34.5 ± 3.2 |
54.1 ± 0.6 |
0.96 ± 0.06 |
0.60 ± 0.05 |
Average |
36.0 |
31.2 |
32.8 |
55.5 |
1.2 |
0.6 |
Median |
37.3 |
31.7 |
33.2 |
55.5 |
1.2 |
0.7 |
Deviation |
2.3 |
2.2 |
1.7 |
1.2 |
0.1 |
0.0 |
Survey interval (About, Top)
Selected
data (About, Top)
Key plasma parameters
|
Velocity
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Magnetic Field
|
Simple
Methods
(About, Top)
Rankine Chi^2
Contour (About, Top)
Shock
Speed (About, Top)
Theta Bn (About, Top)
Mach Numbers (About, Top)
Page updated Wed Jan 22 21:47:00 2020
Michael L Stevens
(mstevens@cfa.harvard.edu)
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