Database: Wind Shock Analysis
Event ID: 20043121759
Observation time: 11/07/2004 312.74937 1759 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
2004 |
Fractional day of year |
312.749366 |
Arrival time of shock [seconds of day] |
64745.2 ± 60.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
198.977 |
Y GSE location of spacecraft [Re] |
54.615 |
Z GSE location of spacecraft [Re] |
-9.202 |
Upstream plasma points selected for analysis |
0008 |
Upstream field points selected for analysis |
0260 |
Downstream plasma points selected for analysis |
0008
|
Downstream field points selected for analysis |
0260 |
Minimum chisq/dof for RH8,RH9,RH10 |
18.01, 23.49, 24.83 |
Event added to database
|
Sun Mar 13 01:33:36 2005
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Event last processed
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Tue Mar 31 00:09:14 2009
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Method selected
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RH08
|
Propagation delay to Earth [minutes]
|
28.580 ± 1.142
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-448.6 ± 7.9 |
-619.8 ± 15.1 |
Vy GSE [km/s] |
32.1 ± 4.3 |
-18.3 ± 7.0 |
Vz GSE [km/s] |
33.8 ± 8.6 |
15.4 ± 6.5 |
Wi [km/s] |
94.9 ± 4.6 |
127.2 ± 7.0 |
We [km/s] |
3000.6 ± 145.6 |
4022.6 ± 220.0 |
Ni [n/cc] |
18.1 ± 0.8 |
41.0 ± 5.4 |
Bx GSE [nT] |
-8.5 ± 0.9 |
-4.7 ± 4.9 |
By GSE [nT] |
6.7 ± 1.0 |
14.9 ± 2.0 |
Bz GSE [nT] |
15.6 ± 1.2 |
40.8 ± 1.2 |
Plasma Beta
|
0.950 ± 0.998
|
0.726 ± 0.727
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Sound Speed [km/s]
|
122.50 ± 5.94
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164.22 ± 8.98
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Alfven Speed [km/s]
|
97.71 ± 5.87
|
150.73 ± 9.87
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.982 ± 0.039 |
0.157 ± 0.220 |
0.104 ± 0.104 |
5.96 ± 8.92 |
170.94 ± 12.83 |
VC |
-0.953 ± 0.017 |
-0.284 ± 0.055 |
-0.104 ± 0.104 |
-5.97 ± 3.42 |
196.60 ± 3.30 |
MX1 |
-0.974 ± 0.029 |
-0.126 ± 0.100 |
0.187 ± 0.184 |
10.75 ± 8.00 |
187.34 ± 5.87 |
MX2 |
-0.965 ± 0.031 |
-0.173 ± 0.075 |
0.197 ± 0.195 |
11.39 ± 8.33 |
190.19 ± 4.46 |
MX3 |
-0.957 ± 0.033 |
-0.206 ± 0.067 |
0.205 ± 0.202 |
11.80 ± 8.54 |
192.16 ± 4.02 |
RH08 |
-0.978 ± 0.002 |
-0.164 ± 0.009 |
0.128 ± 0.128 |
7.38 ± 0.72 |
189.53 ± 0.54 |
RH09 |
-0.970 ± 0.017 |
-0.145 ± 0.070 |
0.196 ± 0.193 |
11.28 ± 3.96 |
188.52 ± 4.16 |
RH10 |
-0.965 ± 0.018 |
-0.145 ± 0.070 |
0.218 ± 0.214 |
12.58 ± 3.96 |
188.52 ± 4.17 |
Average |
-0.968 |
-0.136 |
0.141 |
8.146 |
187.975 |
Median |
-0.965 |
-0.145 |
0.196 |
11.276 |
189.526 |
Deviation |
0.010 |
0.128 |
0.107 |
6.152 |
7.469 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
54.5 ± 3.6 |
736.0 ± 25.9 |
2.27 ± 0.34 |
VC |
76.0 ± 3.4 |
736.8 ± 28.3 |
2.27 ± 0.34 |
MX1 |
56.9 ± 3.4 |
747.1 ± 27.6 |
2.27 ± 0.34 |
MX2 |
57.8 ± 3.4 |
742.4 ± 27.8 |
2.27 ± 0.34 |
MX3 |
58.4 ± 3.4 |
737.8 ± 27.8 |
2.27 ± 0.34 |
RH08 |
60.9 ± 3.4 |
751.2 ± 27.9 |
2.27 ± 0.34 |
RH09 |
57.1 ± 3.4 |
744.9 ± 27.7 |
2.27 ± 0.34 |
RH10 |
55.9 ± 3.4 |
741.3 ± 27.6 |
2.27 ± 0.34 |
Average |
59.7 |
742.2 |
2.27 |
Median |
57.8 |
742.4 |
2.27 |
Deviation |
6.9 |
5.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
286.9 ± 9.1 |
46.4 ± 2.2 |
56.8 ± 3.4 |
149.7 ± 6.7 |
6.20 ± 0.47 |
1.92 ± 0.13 |
VC |
321.8 ± 5.9 |
18.6 ± 0.9 |
23.6 ± 1.4 |
155.6 ± 6.9 |
17.36 ± 1.06 |
2.07 ± 0.12 |
MX1 |
307.6 ± 8.5 |
43.3 ± 2.1 |
53.3 ± 3.2 |
150.7 ± 6.7 |
7.12 ± 0.51 |
2.05 ± 0.13 |
MX2 |
308.4 ± 8.3 |
42.3 ± 2.0 |
52.1 ± 3.1 |
150.9 ± 6.7 |
7.32 ± 0.52 |
2.05 ± 0.13 |
MX3 |
308.2 ± 8.2 |
41.4 ± 2.0 |
51.2 ± 3.1 |
151.2 ± 6.7 |
7.46 ± 0.53 |
2.04 ± 0.13 |
RH8 |
313.4 ± 8.0 |
38.2 ± 1.8 |
47.5 ± 2.9 |
152.0 ± 6.8 |
8.22 ± 0.57 |
2.07 ± 0.13 |
RH9 |
307.8 ± 8.4 |
43.2 ± 2.1 |
53.1 ± 3.2 |
150.7 ± 6.7 |
7.15 ± 0.51 |
2.05 ± 0.13 |
RH10 |
305.6 ± 8.6 |
44.6 ± 2.1 |
54.7 ± 3.3 |
150.3 ± 6.7 |
6.87 ± 0.50 |
2.04 ± 0.13 |
Average |
307.4 |
39.7 |
49.0 |
151.4 |
8.5 |
2.0 |
Median |
308.2 |
43.2 |
53.1 |
150.9 |
7.3 |
2.0 |
Deviation |
9.8 |
8.9 |
10.6 |
1.8 |
3.6 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
128.6 ± 15.5 |
67.5 ± 2.2 |
87.6 ± 5.7 |
212.7 ± 6.7 |
1.91 ± 0.23 |
0.61 ± 0.08 |
VC |
142.5 ± 13.6 |
27.0 ± 0.9 |
36.5 ± 2.4 |
221.5 ± 6.9 |
5.29 ± 0.53 |
0.64 ± 0.07 |
MX1 |
138.0 ± 14.5 |
62.9 ± 2.1 |
82.2 ± 5.4 |
214.1 ± 6.7 |
2.19 ± 0.24 |
0.65 ± 0.07 |
MX2 |
138.2 ± 14.2 |
61.4 ± 2.0 |
80.4 ± 5.3 |
214.6 ± 6.7 |
2.25 ± 0.24 |
0.64 ± 0.07 |
MX3 |
137.8 ± 14.0 |
60.2 ± 2.0 |
79.0 ± 5.2 |
214.9 ± 6.7 |
2.29 ± 0.24 |
0.64 ± 0.07 |
RH8 |
140.1 ± 14.3 |
55.5 ± 1.8 |
73.2 ± 4.8 |
216.1 ± 6.8 |
2.52 ± 0.27 |
0.65 ± 0.07 |
RH9 |
138.1 ± 14.3 |
62.7 ± 2.1 |
82.0 ± 5.4 |
214.2 ± 6.7 |
2.20 ± 0.23 |
0.65 ± 0.07 |
RH10 |
137.1 ± 14.3 |
64.8 ± 2.2 |
84.4 ± 5.5 |
213.5 ± 6.7 |
2.12 ± 0.23 |
0.64 ± 0.07 |
Average |
137.5 |
57.7 |
75.7 |
215.2 |
2.6 |
0.6 |
Median |
138.1 |
62.7 |
82.0 |
214.6 |
2.3 |
0.6 |
Deviation |
4.0 |
12.9 |
16.4 |
2.7 |
1.1 |
0.0 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00368.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00368.png)
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Velocity
![V](wi_selv_00368.png)
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Magnetic Field
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Simple
Methods
(About, Top)
Rankine Chi^2
Contour (About, Top)
Shock
Speed (About, Top)
![Shock Speed](wi_shockspeed_00368.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00368.png)
Mach Numbers (About, Top)
Page updated Fri Jun 13 11:06:02 2014
Michael L Stevens
(mstevens@cfa.harvard.edu)
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