Database: Wind Shock Analysis
Event ID: 20072381820
Observation time: 08/26/2007 238.76453 1820 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
2007 |
Fractional day of year |
238.764531 |
Arrival time of shock [seconds of day] |
66055.5 ± 40.0 |
Shock type |
SF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
208.188 |
Y GSE location of spacecraft [Re] |
-84.168 |
Z GSE location of spacecraft [Re] |
-10.714 |
Upstream plasma points selected for analysis |
0004 |
Upstream field points selected for analysis |
0129 |
Downstream plasma points selected for analysis |
0008
|
Downstream field points selected for analysis |
0250 |
Minimum chisq/dof for RH8,RH9,RH10 |
2.02, 4.08, 4.44 |
Event added to database
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Thu Sep 26 11:10:06 2013
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Event last processed
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Thu Sep 26 12:18:50 2013
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Method selected
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RH08
|
Propagation delay to Earth [minutes]
|
57.957 ± 8.846
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-379.5 ± 0.7 |
-407.9 ± 4.4 |
Vy GSE [km/s] |
13.1 ± 5.5 |
10.1 ± 5.4 |
Vz GSE [km/s] |
-6.2 ± 1.7 |
-42.3 ± 9.5 |
Wi [km/s] |
53.6 ± 4.0 |
65.4 ± 2.0 |
We [km/s] |
1695.0 ± 125.4 |
2067.0 ± 62.2 |
Ni [n/cc] |
6.5 ± 1.1 |
12.4 ± 0.8 |
Bx GSE [nT] |
10.5 ± 1.1 |
7.3 ± 0.7 |
By GSE [nT] |
-6.9 ± 0.9 |
-10.3 ± 1.3 |
Bz GSE [nT] |
12.6 ± 1.6 |
8.2 ± 2.0 |
Plasma Beta
|
0.133 ± 0.112
|
0.485 ± 0.482
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Sound Speed [km/s]
|
69.20 ± 5.12
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84.39 ± 2.54
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Alfven Speed [km/s]
|
154.29 ± 22.29
|
94.62 ± 5.60
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.378 ± 0.103 |
0.820 ± 0.061 |
-0.430 ± 0.402 |
-25.49 ± 5.71 |
114.75 ± 7.10 |
VC |
-0.638 ± 0.061 |
-0.066 ± 0.153 |
-0.767 ± 0.561 |
-50.09 ± 4.46 |
185.89 ± 13.69 |
MX1 |
-0.391 ± 0.114 |
0.824 ± 0.067 |
-0.410 ± 0.385 |
-24.21 ± 6.35 |
115.38 ± 7.80 |
MX2 |
-0.380 ± 0.103 |
0.821 ± 0.059 |
-0.426 ± 0.398 |
-25.22 ± 5.38 |
114.82 ± 7.11 |
MX3 |
-0.379 ± 0.147 |
0.813 ± 0.101 |
-0.442 ± 0.411 |
-26.25 ± 10.93 |
115.02 ± 10.06 |
RH08 |
-0.854 ± 0.013 |
0.007 ± 0.034 |
0.520 ± 0.467 |
31.30 ± 1.39 |
179.50 ± 2.29 |
RH09 |
-0.854 ± 0.036 |
0.022 ± 0.071 |
0.520 ± 0.467 |
31.30 ± 4.01 |
178.50 ± 4.76 |
RH10 |
-0.854 ± 0.036 |
0.022 ± 0.071 |
0.520 ± 0.467 |
31.30 ± 4.01 |
178.50 ± 4.76 |
Average |
-0.591 |
0.408 |
-0.115 |
-7.169 |
147.795 |
Median |
-0.391 |
0.813 |
-0.410 |
-24.215 |
178.496 |
Deviation |
0.235 |
0.441 |
0.538 |
32.946 |
35.144 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
32.0 ± 5.4 |
207.1 ± 3.3 |
2.05 ± 0.36 |
VC |
26.9 ± 5.3 |
344.5 ± 4.1 |
2.05 ± 0.36 |
MX1 |
32.5 ± 5.4 |
211.2 ± 3.3 |
2.05 ± 0.36 |
MX2 |
32.1 ± 5.4 |
207.6 ± 3.3 |
2.05 ± 0.36 |
MX3 |
31.3 ± 5.4 |
208.6 ± 3.3 |
2.05 ± 0.36 |
RH08 |
81.9 ± 1.5 |
333.4 ± 1.2 |
2.05 ± 0.36 |
RH09 |
81.6 ± 1.5 |
333.3 ± 1.2 |
2.05 ± 0.36 |
RH10 |
81.6 ± 1.5 |
333.3 ± 6.5 |
2.05 ± 0.36 |
Average |
50.0 |
272.4 |
2.05 |
Median |
32.5 |
333.3 |
2.05 |
Deviation |
26.3 |
68.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
50.2 ± 4.4 |
56.5 ± 2.9 |
130.9 ± 18.9 |
159.6 ± 20.0 |
0.89 ± 0.06 |
0.32 ± 0.06 |
VC |
98.4 ± 1.8 |
60.0 ± 3.4 |
137.6 ± 19.9 |
158.3 ± 20.5 |
1.65 ± 0.12 |
0.63 ± 0.08 |
MX1 |
49.5 ± 4.4 |
56.2 ± 2.9 |
130.1 ± 18.8 |
159.8 ± 20.0 |
0.88 ± 0.06 |
0.32 ± 0.06 |
MX2 |
50.0 ± 4.4 |
56.4 ± 2.9 |
130.7 ± 18.9 |
159.7 ± 20.0 |
0.89 ± 0.06 |
0.32 ± 0.06 |
MX3 |
51.2 ± 4.4 |
57.1 ± 3.0 |
131.9 ± 19.1 |
159.4 ± 20.1 |
0.90 ± 0.06 |
0.33 ± 0.07 |
RH8 |
12.3 ± 0.5 |
8.8 ± 0.3 |
21.6 ± 3.1 |
169.3 ± 17.7 |
1.40 ± 0.06 |
0.07 ± 0.01 |
RH9 |
12.1 ± 0.5 |
9.1 ± 0.3 |
22.5 ± 3.3 |
169.3 ± 17.7 |
1.32 ± 0.06 |
0.07 ± 0.01 |
RH10 |
12.1 ± 0.5 |
9.1 ± 0.3 |
22.5 ± 3.3 |
169.3 ± 17.7 |
1.32 ± 0.06 |
0.07 ± 0.01 |
Average |
42.0 |
39.2 |
91.0 |
163.1 |
1.2 |
0.3 |
Median |
50.0 |
56.4 |
130.7 |
159.8 |
1.3 |
0.3 |
Deviation |
29.6 |
25.0 |
57.0 |
5.2 |
0.3 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
26.5 ± 7.7 |
60.7 ± 0.7 |
80.3 ± 4.7 |
111.4 ± 2.9 |
0.43 ± 0.12 |
0.24 ± 0.06 |
VC |
52.5 ± 9.8 |
65.4 ± 0.7 |
84.4 ± 5.0 |
108.7 ± 3.0 |
0.80 ± 0.15 |
0.48 ± 0.08 |
MX1 |
26.1 ± 7.6 |
60.2 ± 0.7 |
79.8 ± 4.7 |
111.7 ± 2.9 |
0.43 ± 0.12 |
0.23 ± 0.06 |
MX2 |
26.4 ± 7.7 |
60.5 ± 0.7 |
80.1 ± 4.7 |
111.5 ± 2.9 |
0.43 ± 0.12 |
0.24 ± 0.06 |
MX3 |
26.9 ± 7.8 |
61.4 ± 0.7 |
80.9 ± 4.8 |
111.1 ± 2.9 |
0.44 ± 0.12 |
0.24 ± 0.06 |
RH8 |
6.8 ± 2.2 |
8.8 ± 0.1 |
13.3 ± 0.8 |
126.6 ± 2.8 |
0.77 ± 0.25 |
0.05 ± 0.02 |
RH9 |
6.6 ± 2.2 |
9.2 ± 0.1 |
13.8 ± 0.8 |
126.5 ± 2.8 |
0.72 ± 0.24 |
0.05 ± 0.02 |
RH10 |
6.6 ± 2.2 |
9.2 ± 0.1 |
13.8 ± 0.8 |
126.5 ± 2.8 |
0.72 ± 0.24 |
0.05 ± 0.02 |
Average |
22.3 |
41.9 |
55.8 |
116.8 |
0.6 |
0.2 |
Median |
26.4 |
60.5 |
80.1 |
111.7 |
0.7 |
0.2 |
Deviation |
15.6 |
27.2 |
34.9 |
8.2 |
0.2 |
0.1 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00457.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00457.png)
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Velocity
![V](wi_selv_00457.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_00457.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00457.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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