Database: Wind Shock Analysis
Event ID: 20141250234
Observation time: 05/05/2014 125.10727 0234 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
2014 |
Fractional day of year |
125.107274 |
Arrival time of shock [seconds of day] |
9268.5 ± 20.0 |
Shock type |
SF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
250.495 |
Y GSE location of spacecraft [Re] |
-68.982 |
Z GSE location of spacecraft [Re] |
18.166 |
Upstream plasma points selected for analysis |
0005 |
Upstream field points selected for analysis |
0166 |
Downstream plasma points selected for analysis |
0005
|
Downstream field points selected for analysis |
0172 |
Minimum chisq/dof for RH8,RH9,RH10 |
1.69, 1.90, 2.06 |
Event added to database
|
Mon Sep 8 09:57:39 2014
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Event last processed
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Mon Sep 8 15:28:50 2014
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
57.308 ± 3.770
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-349.6 ± 4.5 |
-375.5 ± 1.0 |
Vy GSE [km/s] |
-4.0 ± 0.7 |
22.3 ± 1.5 |
Vz GSE [km/s] |
20.2 ± 7.4 |
-14.1 ± 1.2 |
Wi [km/s] |
22.9 ± 5.5 |
30.9 ± 1.7 |
We [km/s] |
723.5 ± 172.4 |
976.1 ± 54.8 |
Ni [n/cc] |
9.4 ± 0.9 |
13.5 ± 1.2 |
Bx GSE [nT] |
6.0 ± 0.3 |
-0.5 ± 0.3 |
By GSE [nT] |
-6.7 ± 0.6 |
0.2 ± 1.0 |
Bz GSE [nT] |
4.8 ± 1.1 |
-8.0 ± 0.1 |
Plasma Beta
|
0.105 ± 0.112
|
0.415 ± 0.433
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Sound Speed [km/s]
|
29.54 ± 7.04
|
39.85 ± 2.24
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Alfven Speed [km/s]
|
73.42 ± 3.86
|
48.22 ± 2.82
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.519 ± 0.061 |
0.616 ± 0.056 |
0.593 ± 0.511 |
36.34 ± 4.32 |
130.10 ± 4.95 |
VC |
-0.515 ± 0.081 |
0.528 ± 0.082 |
-0.675 ± 0.547 |
-42.44 ± 8.15 |
134.30 ± 4.99 |
MX1 |
-0.605 ± 0.170 |
0.544 ± 0.186 |
0.581 ± 0.505 |
35.51 ± 5.85 |
138.02 ± 17.23 |
MX2 |
-0.539 ± 0.086 |
0.600 ± 0.080 |
0.591 ± 0.510 |
36.25 ± 4.24 |
131.97 ± 7.73 |
MX3 |
-0.791 ± 0.344 |
0.415 ± 0.603 |
0.450 ± 0.417 |
26.74 ± 20.31 |
152.33 ± 43.36 |
RH08 |
-0.855 ± 0.026 |
-0.485 ± 0.044 |
0.184 ± 0.182 |
10.62 ± 2.13 |
209.58 ± 2.96 |
RH09 |
-0.855 ± 0.032 |
-0.485 ± 0.054 |
0.184 ± 0.182 |
10.62 ± 2.73 |
209.58 ± 3.62 |
RH10 |
-0.855 ± 0.033 |
-0.485 ± 0.056 |
0.184 ± 0.182 |
10.62 ± 2.73 |
209.58 ± 3.75 |
Average |
-0.692 |
0.156 |
0.262 |
15.534 |
164.434 |
Median |
-0.605 |
0.528 |
0.450 |
26.736 |
152.325 |
Deviation |
0.161 |
0.534 |
0.423 |
26.242 |
37.985 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
64.1 ± 7.0 |
219.4 ± 2.1 |
1.45 ± 0.17 |
VC |
14.8 ± 7.0 |
332.3 ± 12.8 |
1.45 ± 0.17 |
MX1 |
63.6 ± 6.9 |
252.4 ± 2.1 |
1.45 ± 0.17 |
MX2 |
64.0 ± 7.0 |
227.1 ± 2.1 |
1.45 ± 0.17 |
MX3 |
58.0 ± 6.3 |
335.8 ± 3.0 |
1.45 ± 0.17 |
RH08 |
84.4 ± 1.2 |
310.3 ± 1.8 |
1.45 ± 0.17 |
RH09 |
84.4 ± 1.2 |
310.3 ± 1.8 |
1.45 ± 0.17 |
RH10 |
84.4 ± 1.2 |
310.3 ± 8.6 |
1.45 ± 0.17 |
Average |
64.7 |
287.3 |
1.45 |
Median |
64.1 |
310.3 |
1.45 |
Deviation |
23.0 |
46.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
28.5 ± 6.4 |
12.0 ± 2.6 |
32.0 ± 1.7 |
78.5 ± 2.0 |
2.65 ± 1.55 |
0.36 ± 0.07 |
VC |
167.9 ± 3.0 |
28.3 ± 6.7 |
71.0 ± 3.7 |
73.9 ± 3.6 |
6.30 ± 2.00 |
2.28 ± 0.14 |
MX1 |
31.3 ± 6.7 |
12.2 ± 2.7 |
32.7 ± 1.7 |
78.5 ± 2.0 |
2.85 ± 1.64 |
0.40 ± 0.08 |
MX2 |
29.0 ± 6.4 |
12.0 ± 2.6 |
32.1 ± 1.7 |
78.5 ± 2.0 |
2.69 ± 1.57 |
0.37 ± 0.07 |
MX3 |
51.9 ± 6.6 |
14.6 ± 3.2 |
38.9 ± 2.0 |
78.0 ± 2.1 |
3.87 ± 1.83 |
0.66 ± 0.07 |
RH8 |
5.9 ± 5.5 |
2.7 ± 0.6 |
7.2 ± 0.4 |
79.4 ± 1.7 |
2.87 ± 3.72 |
0.07 ± 0.07 |
RH9 |
5.9 ± 5.5 |
2.7 ± 0.6 |
7.2 ± 0.4 |
79.4 ± 1.7 |
2.87 ± 3.72 |
0.07 ± 0.07 |
RH10 |
5.9 ± 5.5 |
2.7 ± 0.6 |
7.2 ± 0.4 |
79.4 ± 1.7 |
2.87 ± 3.72 |
0.07 ± 0.07 |
Average |
40.8 |
10.9 |
28.5 |
78.2 |
3.4 |
0.5 |
Median |
29.0 |
12.0 |
32.1 |
78.5 |
2.9 |
0.4 |
Deviation |
53.9 |
8.7 |
21.8 |
1.8 |
1.2 |
0.7 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
19.2 ± 0.9 |
13.7 ± 0.5 |
21.0 ± 1.2 |
61.1 ± 2.1 |
1.40 ± 0.07 |
0.31 ± 0.02 |
VC |
117.5 ± 1.7 |
36.5 ± 1.7 |
46.6 ± 2.7 |
50.8 ± 2.3 |
3.22 ± 0.14 |
2.32 ± 0.09 |
MX1 |
21.3 ± 0.8 |
14.0 ± 0.5 |
21.5 ± 1.3 |
61.0 ± 2.1 |
1.52 ± 0.07 |
0.35 ± 0.02 |
MX2 |
19.6 ± 0.9 |
13.8 ± 0.5 |
21.1 ± 1.2 |
61.1 ± 2.1 |
1.42 ± 0.07 |
0.32 ± 0.02 |
MX3 |
36.0 ± 0.8 |
16.9 ± 0.6 |
25.5 ± 1.5 |
60.3 ± 2.1 |
2.13 ± 0.07 |
0.60 ± 0.02 |
RH8 |
2.8 ± 0.8 |
3.0 ± 0.1 |
4.7 ± 0.3 |
62.5 ± 2.1 |
0.95 ± 0.27 |
0.05 ± 0.01 |
RH9 |
2.8 ± 0.8 |
3.0 ± 0.1 |
4.7 ± 0.3 |
62.5 ± 2.1 |
0.95 ± 0.27 |
0.05 ± 0.01 |
RH10 |
2.8 ± 0.8 |
3.0 ± 0.1 |
4.7 ± 0.3 |
62.5 ± 2.1 |
0.95 ± 0.27 |
0.05 ± 0.01 |
Average |
27.8 |
13.0 |
18.7 |
60.2 |
1.6 |
0.5 |
Median |
19.6 |
13.8 |
21.1 |
61.1 |
1.4 |
0.3 |
Deviation |
38.1 |
11.1 |
14.3 |
3.9 |
0.8 |
0.8 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00666.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00666.png)
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Velocity
![V](wi_selv_00666.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_00666.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00666.png)
Mach Numbers (About, Top)
Page updated Wed Jan 22 21:47:00 2020
Michael L Stevens
(mstevens@cfa.harvard.edu)
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