Database: Wind Shock Analysis
Event ID: 20112171732
Observation time: 08/05/2011 217.73075 1732 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
2011 |
Fractional day of year |
217.730747 |
Arrival time of shock [seconds of day] |
63136.5 ± 10.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
202.201 |
Y GSE location of spacecraft [Re] |
-24.464 |
Z GSE location of spacecraft [Re] |
-18.630 |
Upstream plasma points selected for analysis |
0003 |
Upstream field points selected for analysis |
0091 |
Downstream plasma points selected for analysis |
0003
|
Downstream field points selected for analysis |
0096 |
Minimum chisq/dof for RH8,RH9,RH10 |
62.40, Infinity, -3155.82 |
Event added to database
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Fri Sep 20 13:30:45 2013
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Event last processed
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Tue Sep 24 10:27:18 2013
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Method selected
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RH08
|
Propagation delay to Earth [minutes]
|
49.050 ± 5.196
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-418.6 ± 5.5 |
-464.6 ± 0.8 |
Vy GSE [km/s] |
-5.1 ± 2.9 |
-5.1 ± 2.2 |
Vz GSE [km/s] |
-30.9 ± 4.5 |
-103.4 ± 6.6 |
Wi [km/s] |
25.8 ± 1.6 |
40.0 ± 5.6 |
We [km/s] |
814.8 ± 51.6 |
1265.7 ± 176.6 |
Ni [n/cc] |
5.1 ± 0.3 |
11.6 ± 0.8 |
Bx GSE [nT] |
0.6 ± 0.3 |
2.1 ± 1.5 |
By GSE [nT] |
-4.4 ± 1.1 |
-10.0 ± 0.8 |
Bz GSE [nT] |
-1.0 ± 0.3 |
-2.0 ± 0.8 |
Plasma Beta
|
0.361 ± 0.376
|
0.361 ± 0.344
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Sound Speed [km/s]
|
33.26 ± 2.11
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51.67 ± 7.21
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Alfven Speed [km/s]
|
43.91 ± 8.76
|
67.13 ± 5.39
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.983 ± 0.085 |
-0.152 ± 0.306 |
0.101 ± 0.100 |
5.77 ± 40.77 |
188.79 ± 17.84 |
VC |
-0.537 ± 0.043 |
-0.002 ± 0.035 |
-0.843 ± 0.539 |
-57.51 ± 2.91 |
180.20 ± 3.77 |
MX1 |
-0.539 ± 0.037 |
0.013 ± 0.044 |
-0.842 ± 0.540 |
-57.38 ± 2.51 |
178.65 ± 4.68 |
MX2 |
-0.538 ± 0.034 |
0.013 ± 0.043 |
-0.843 ± 0.539 |
-57.47 ± 2.30 |
178.65 ± 4.59 |
MX3 |
-0.536 ± 0.032 |
0.013 ± 0.042 |
-0.844 ± 0.539 |
-57.55 ± 2.18 |
178.64 ± 4.52 |
RH08 |
-0.851 ± 0.037 |
-0.302 ± 0.066 |
0.430 ± 0.401 |
25.48 ± 4.00 |
199.55 ± 4.41 |
RH09 |
-0.000 ± 0.035 |
-0.000 ± 0.000 |
-1.000 ± 0.000 |
-90.00 ± 2.00 |
0.00 ± 2.00 |
RH10 |
-0.143 ± 0.070 |
0.981 ± 0.013 |
0.128 ± 0.128 |
7.38 ± 4.01 |
98.27 ± 4.07 |
Average |
-0.516 |
0.070 |
-0.464 |
-35.159 |
150.344 |
Median |
-0.537 |
0.013 |
-0.842 |
-57.376 |
178.649 |
Deviation |
0.325 |
0.385 |
0.577 |
41.681 |
68.148 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
89.5 ± 4.7 |
476.8 ± 0.8 |
2.26 ± 0.04 |
VC |
83.1 ± 1.0 |
411.7 ± 4.3 |
2.26 ± 0.04 |
MX1 |
84.0 ± 1.0 |
412.3 ± 4.3 |
2.26 ± 0.04 |
MX2 |
83.9 ± 1.0 |
411.8 ± 4.3 |
2.26 ± 0.04 |
MX3 |
83.9 ± 1.0 |
411.3 ± 4.3 |
2.26 ± 0.04 |
RH08 |
85.4 ± 4.9 |
357.6 ± 1.5 |
2.26 ± 0.04 |
RH09 |
77.0 ± 1.9 |
169.0 ± 4.8 |
2.26 ± 0.04 |
RH10 |
6.8 ± 2.0 |
46.7 ± 5.2 |
2.26 ± 0.04 |
Average |
74.2 |
337.2 |
2.26 |
Median |
83.9 |
411.7 |
2.26 |
Deviation |
27.5 |
148.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
67.6 ± 4.7 |
0.2 ± 0.0 |
0.4 ± 0.1 |
55.2 ± 8.2 |
303.48 ± 48.43 |
1.25 ± 0.24 |
VC |
160.8 ± 6.4 |
3.2 ± 0.3 |
5.3 ± 1.1 |
55.1 ± 8.2 |
51.24 ± 7.08 |
2.97 ± 0.51 |
MX1 |
160.8 ± 6.4 |
2.8 ± 0.3 |
4.6 ± 0.9 |
55.1 ± 8.2 |
58.33 ± 8.07 |
2.97 ± 0.51 |
MX2 |
160.8 ± 6.4 |
2.8 ± 0.3 |
4.6 ± 0.9 |
55.1 ± 8.2 |
58.10 ± 8.04 |
2.97 ± 0.51 |
MX3 |
160.8 ± 6.4 |
2.8 ± 0.3 |
4.7 ± 0.9 |
55.1 ± 8.2 |
57.96 ± 8.02 |
2.97 ± 0.51 |
RH8 |
13.2 ± 2.5 |
2.1 ± 0.2 |
3.5 ± 0.7 |
55.1 ± 8.2 |
6.39 ± 1.68 |
0.25 ± 0.07 |
RH9 |
138.1 ± 4.5 |
6.0 ± 0.6 |
9.9 ± 2.0 |
54.8 ± 8.2 |
23.27 ± 3.08 |
2.56 ± 0.43 |
RH10 |
-4.1 ± 3.3 |
32.7 ± 2.2 |
43.6 ± 8.7 |
44.4 ± 8.6 |
-0.13 ± 0.10 |
-0.09 ± 0.08 |
Average |
107.3 |
6.6 |
9.6 |
53.7 |
69.8 |
2.0 |
Median |
160.8 |
2.8 |
4.7 |
55.1 |
58.0 |
3.0 |
Deviation |
71.0 |
10.7 |
14.0 |
3.8 |
97.4 |
1.3 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
29.6 ± 1.2 |
0.3 ± 0.0 |
0.6 ± 0.0 |
84.8 ± 7.1 |
85.65 ± 9.20 |
0.35 ± 0.04 |
VC |
74.9 ± 5.3 |
4.9 ± 0.5 |
8.1 ± 0.6 |
84.7 ± 7.1 |
15.44 ± 2.33 |
0.89 ± 0.12 |
MX1 |
74.9 ± 5.3 |
4.3 ± 0.4 |
7.1 ± 0.6 |
84.7 ± 7.1 |
17.58 ± 2.64 |
0.89 ± 0.12 |
MX2 |
74.9 ± 5.3 |
4.3 ± 0.4 |
7.1 ± 0.6 |
84.7 ± 7.1 |
17.51 ± 2.63 |
0.89 ± 0.12 |
MX3 |
74.9 ± 5.3 |
4.3 ± 0.4 |
7.1 ± 0.6 |
84.7 ± 7.1 |
17.46 ± 2.63 |
0.89 ± 0.12 |
RH8 |
5.3 ± 2.8 |
3.2 ± 0.3 |
5.3 ± 0.4 |
84.8 ± 7.1 |
1.61 ± 0.80 |
0.06 ± 0.03 |
RH9 |
65.6 ± 6.6 |
9.3 ± 0.9 |
15.2 ± 1.2 |
84.3 ± 7.0 |
7.16 ± 1.24 |
0.78 ± 0.12 |
RH10 |
-1.3 ± 3.0 |
50.7 ± 6.7 |
66.7 ± 5.4 |
67.9 ± 5.4 |
-0.03 ± 0.06 |
-0.02 ± 0.04 |
Average |
49.8 |
10.2 |
14.6 |
82.6 |
20.3 |
0.6 |
Median |
74.9 |
4.3 |
7.1 |
84.7 |
17.5 |
0.9 |
Deviation |
33.3 |
16.6 |
21.4 |
5.9 |
27.4 |
0.4 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00546.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00546.png)
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Velocity
![V](wi_selv_00546.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_00546.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00546.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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