Database: Wind Shock Analysis
Event ID: 20112171840
Observation time: 08/05/2011 217.77828 1840 [UT]
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General
Information (About, Top)
Year |
2011 |
Fractional day of year |
217.778281 |
Arrival time of shock [seconds of day] |
67243.5 ± 20.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
202.187 |
Y GSE location of spacecraft [Re] |
-24.297 |
Z GSE location of spacecraft [Re] |
-18.644 |
Upstream plasma points selected for analysis |
0003 |
Upstream field points selected for analysis |
0086 |
Downstream plasma points selected for analysis |
0001
|
Downstream field points selected for analysis |
0074 |
Minimum chisq/dof for RH8,RH9,RH10 |
-249.22, -208.26, -227.16 |
Event added to database
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Fri Sep 20 13:32:24 2013
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Event last processed
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Tue Sep 24 10:29:05 2013
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Method selected
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RH08
|
Propagation delay to Earth [minutes]
|
24.983 ± 4.544
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-511.7 ± 2.1 |
-574.6 ± -574.6 |
Vy GSE [km/s] |
29.3 ± 5.0 |
25.4 ± 25.4 |
Vz GSE [km/s] |
-61.0 ± 2.3 |
-123.3 ± -123.3 |
Wi [km/s] |
50.7 ± 4.3 |
60.5 ± 60.5 |
We [km/s] |
1602.8 ± 135.1 |
1912.1 ± 1912.1 |
Ni [n/cc] |
21.2 ± 0.1 |
31.6 ± 31.6 |
Bx GSE [nT] |
8.8 ± 1.9 |
13.5 ± 13.5 |
By GSE [nT] |
10.7 ± 3.2 |
24.1 ± 24.1 |
Bz GSE [nT] |
-5.6 ± 0.5 |
-5.6 ± -5.6 |
Plasma Beta
|
0.577 ± 0.603
|
0.307 ± 0.307
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Sound Speed [km/s]
|
65.44 ± 5.52
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78.06 ± 78.06
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Alfven Speed [km/s]
|
71.45 ± 16.41
|
109.15 ± 109.15
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.605 ± 0.112 |
0.203 ± 0.084 |
0.770 ± 0.561 |
50.32 ± 8.57 |
161.43 ± 7.14 |
VC |
-0.710 ± 0.025 |
-0.043 ± 0.054 |
-0.703 ± 0.554 |
-44.63 ± 2.05 |
183.50 ± 4.39 |
MX1 |
-0.522 ± 0.048 |
0.180 ± 0.024 |
-0.834 ± 0.544 |
-56.51 ± 3.49 |
160.98 ± 1.90 |
MX2 |
-0.590 ± 0.022 |
0.204 ± 0.023 |
-0.781 ± 0.560 |
-51.36 ± 1.57 |
160.95 ± 2.10 |
MX3 |
-0.645 ± 0.030 |
0.222 ± 0.028 |
-0.731 ± 0.559 |
-46.97 ± 2.39 |
161.02 ± 2.36 |
RH08 |
-0.425 ± 0.064 |
-0.898 ± 0.031 |
0.117 ± 0.117 |
6.74 ± 4.01 |
244.68 ± 4.07 |
RH09 |
-0.425 ± 0.031 |
-0.898 ± 0.015 |
0.117 ± 0.117 |
6.74 ± 2.00 |
244.68 ± 2.00 |
RH10 |
-0.081 ± 0.069 |
-0.876 ± 0.034 |
-0.475 ± 0.435 |
-28.35 ± 3.99 |
264.74 ± 4.54 |
Average |
-0.500 |
-0.238 |
-0.315 |
-20.504 |
197.748 |
Median |
-0.522 |
0.180 |
-0.475 |
-28.350 |
183.497 |
Deviation |
0.197 |
0.547 |
0.584 |
37.971 |
45.464 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
59.4 ± 5.5 |
236.9 ± 3.1 |
1.49 ± 0.01 |
VC |
79.6 ± 1.9 |
672.7 ± 2.1 |
1.49 ± 0.01 |
MX1 |
82.0 ± 1.9 |
577.2 ± 0.6 |
1.49 ± 0.01 |
MX2 |
84.5 ± 1.9 |
612.7 ± 0.3 |
1.49 ± 0.01 |
MX3 |
86.8 ± 1.9 |
639.1 ± 0.1 |
1.49 ± 0.01 |
RH08 |
21.2 ± 5.5 |
250.8 ± 8.2 |
1.49 ± 0.01 |
RH09 |
21.2 ± 5.5 |
250.8 ± 8.2 |
1.49 ± 0.01 |
RH10 |
60.9 ± 5.3 |
160.7 ± 8.8 |
1.49 ± 0.01 |
Average |
62.0 |
425.1 |
1.49 |
Median |
79.6 |
577.2 |
1.49 |
Deviation |
27.2 |
217.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
-31.9 ± 2.3 |
24.9 ± 1.2 |
36.4 ± 8.4 |
94.4 ± 9.3 |
-1.28 ± 0.11 |
-0.34 ± 0.04 |
VC |
267.6 ± 1.0 |
8.5 ± 0.4 |
12.9 ± 3.0 |
97.2 ± 9.3 |
31.44 ± 1.71 |
2.77 ± 0.26 |
MX1 |
254.2 ± 1.5 |
6.6 ± 0.3 |
9.9 ± 2.3 |
97.4 ± 9.3 |
38.69 ± 1.94 |
2.63 ± 0.24 |
MX2 |
257.0 ± 1.3 |
4.5 ± 0.2 |
6.8 ± 1.6 |
97.5 ± 9.3 |
57.13 ± 2.87 |
2.65 ± 0.24 |
MX3 |
257.9 ± 1.2 |
2.7 ± 0.1 |
4.0 ± 0.9 |
97.6 ± 9.3 |
96.76 ± 4.86 |
2.66 ± 0.24 |
RH8 |
67.0 ± 5.5 |
52.1 ± 1.5 |
66.6 ± 15.3 |
82.5 ± 10.1 |
1.29 ± 0.14 |
0.82 ± 0.15 |
RH9 |
67.0 ± 5.5 |
52.1 ± 1.5 |
66.6 ± 15.3 |
82.5 ± 10.1 |
1.29 ± 0.14 |
0.82 ± 0.15 |
RH10 |
116.1 ± 4.0 |
23.6 ± 1.2 |
34.7 ± 8.0 |
94.7 ± 9.3 |
4.93 ± 0.40 |
1.24 ± 0.15 |
Average |
156.9 |
21.9 |
29.7 |
93.0 |
28.8 |
1.7 |
Median |
254.2 |
23.6 |
34.7 |
97.2 |
31.4 |
2.6 |
Deviation |
116.7 |
20.4 |
25.8 |
6.6 |
34.9 |
1.2 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
-21.1 ± -21.1 |
33.4 ± 33.4 |
55.6 ± 55.6 |
130.0 ± 130.0 |
-0.63 ± -0.63 |
-0.16 ± -0.16 |
VC |
179.0 ± 179.0 |
11.5 ± 11.5 |
19.7 ± 19.7 |
133.7 ± 133.7 |
15.59 ± 15.59 |
1.34 ± 1.34 |
MX1 |
170.1 ± 170.1 |
8.9 ± 8.9 |
15.2 ± 15.2 |
133.9 ± 133.9 |
19.20 ± 19.20 |
1.27 ± 1.27 |
MX2 |
172.0 ± 172.0 |
6.1 ± 6.1 |
10.4 ± 10.4 |
134.1 ± 134.1 |
28.36 ± 28.36 |
1.28 ± 1.28 |
MX3 |
172.6 ± 172.6 |
3.6 ± 3.6 |
6.2 ± 6.2 |
134.1 ± 134.1 |
48.03 ± 48.03 |
1.29 ± 1.29 |
RH8 |
44.0 ± 44.0 |
69.0 ± 69.0 |
101.7 ± 101.7 |
115.1 ± 115.1 |
0.64 ± 0.64 |
0.38 ± 0.38 |
RH9 |
44.0 ± 44.0 |
69.0 ± 69.0 |
101.7 ± 101.7 |
115.1 ± 115.1 |
0.64 ± 0.64 |
0.38 ± 0.38 |
RH10 |
78.0 ± 78.0 |
31.8 ± 31.8 |
53.0 ± 53.0 |
130.4 ± 130.4 |
2.46 ± 2.46 |
0.60 ± 0.60 |
Average |
104.8 |
29.1 |
45.4 |
128.3 |
14.3 |
0.8 |
Median |
170.1 |
31.8 |
53.0 |
133.7 |
15.6 |
1.3 |
Deviation |
78.2 |
27.0 |
39.4 |
8.3 |
17.3 |
0.6 |
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 Fri Jun 13 11:06:02 2014
Michael L Stevens
(mstevens@cfa.harvard.edu)
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