Database: Wind Shock Analysis
Event ID: 20110451506
Observation time: 02/14/2011 45.62974 1506 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
2011 |
Fractional day of year |
45.629740 |
Arrival time of shock [seconds of day] |
54409.5 ± 20.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
195.220 |
Y GSE location of spacecraft [Re] |
2.168 |
Z GSE location of spacecraft [Re] |
-19.866 |
Upstream plasma points selected for analysis |
0006 |
Upstream field points selected for analysis |
0222 |
Downstream plasma points selected for analysis |
0003
|
Downstream field points selected for analysis |
0099 |
Minimum chisq/dof for RH8,RH9,RH10 |
12.56, 53.00, 89.95 |
Event added to database
|
Fri Sep 20 09:53:54 2013
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Event last processed
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Tue Sep 24 10:00:51 2013
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Method selected
|
RH10
|
Propagation delay to Earth [minutes]
|
51.970 ± 24.693
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-308.7 ± 0.6 |
-382.9 ± 0.9 |
Vy GSE [km/s] |
-0.3 ± 1.0 |
-29.8 ± 1.4 |
Vz GSE [km/s] |
-4.2 ± 1.1 |
12.5 ± 1.8 |
Wi [km/s] |
20.1 ± 1.3 |
35.0 ± 0.7 |
We [km/s] |
635.3 ± 41.7 |
1106.2 ± 23.2 |
Ni [n/cc] |
6.9 ± 0.4 |
18.7 ± 1.6 |
Bx GSE [nT] |
1.0 ± 0.2 |
2.0 ± 0.3 |
By GSE [nT] |
-1.6 ± 0.1 |
-4.8 ± 0.2 |
Bz GSE [nT] |
-1.7 ± 0.1 |
-3.9 ± 0.3 |
Plasma Beta
|
0.902 ± 1.002
|
1.141 ± 1.140
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Sound Speed [km/s]
|
25.93 ± 1.70
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45.16 ± 0.95
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Alfven Speed [km/s]
|
21.45 ± 1.63
|
32.75 ± 0.75
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.784 ± 0.329 |
-0.502 ± 0.456 |
0.365 ± 0.348 |
21.41 ± 31.04 |
212.63 ± 32.36 |
VC |
-0.910 ± 0.007 |
-0.362 ± 0.015 |
0.205 ± 0.202 |
11.81 ± 1.17 |
201.68 ± 0.93 |
MX1 |
-0.904 ± 0.031 |
-0.388 ± 0.069 |
0.180 ± 0.178 |
10.39 ± 2.56 |
203.24 ± 4.38 |
MX2 |
-0.902 ± 0.032 |
-0.390 ± 0.071 |
0.185 ± 0.183 |
10.64 ± 2.39 |
203.39 ± 4.52 |
MX3 |
-0.901 ± 0.032 |
-0.392 ± 0.073 |
0.187 ± 0.185 |
10.80 ± 2.29 |
203.49 ± 4.62 |
RH08 |
-0.405 ± 0.018 |
0.444 ± 0.016 |
-0.799 ± 0.557 |
-53.02 ± 0.53 |
132.37 ± 2.17 |
RH09 |
-0.097 ± 0.064 |
-0.594 ± 0.039 |
0.799 ± 0.557 |
53.02 ± 2.76 |
260.72 ± 6.16 |
RH10 |
-0.510 ± 0.060 |
0.393 ± 0.064 |
-0.765 ± 0.561 |
-49.94 ± 4.01 |
142.40 ± 6.25 |
Average |
-0.677 |
-0.224 |
0.045 |
1.889 |
194.990 |
Median |
-0.784 |
-0.388 |
0.187 |
10.800 |
203.394 |
Deviation |
0.306 |
0.404 |
0.551 |
35.905 |
40.665 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
76.7 ± 4.3 |
369.7 ± 2.2 |
2.61 ± 0.20 |
VC |
74.6 ± 4.8 |
412.7 ± 2.1 |
2.61 ± 0.20 |
MX1 |
76.7 ± 4.8 |
410.9 ± 2.1 |
2.61 ± 0.20 |
MX2 |
76.6 ± 4.8 |
410.4 ± 2.1 |
2.61 ± 0.20 |
MX3 |
76.6 ± 4.8 |
410.0 ± 2.1 |
2.61 ± 0.20 |
RH08 |
85.6 ± 3.2 |
134.2 ± 0.5 |
2.61 ± 0.20 |
RH09 |
79.6 ± 2.3 |
90.2 ± 1.5 |
2.61 ± 0.20 |
RH10 |
87.4 ± 3.5 |
182.2 ± 1.5 |
2.61 ± 0.20 |
Average |
79.2 |
302.5 |
2.61 |
Median |
76.7 |
410.0 |
2.61 |
Deviation |
4.7 |
141.2 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
129.0 ± 0.7 |
3.8 ± 0.1 |
4.9 ± 0.4 |
33.5 ± 1.1 |
33.89 ± 1.36 |
3.85 ± 0.13 |
VC |
132.6 ± 0.6 |
4.4 ± 0.2 |
5.7 ± 0.4 |
33.4 ± 1.1 |
30.17 ± 1.19 |
3.97 ± 0.13 |
MX1 |
132.5 ± 0.5 |
3.8 ± 0.1 |
4.9 ± 0.4 |
33.5 ± 1.1 |
34.82 ± 1.37 |
3.96 ± 0.13 |
MX2 |
132.5 ± 0.5 |
3.8 ± 0.1 |
5.0 ± 0.4 |
33.5 ± 1.1 |
34.70 ± 1.36 |
3.96 ± 0.13 |
MX3 |
132.5 ± 0.5 |
3.8 ± 0.1 |
5.0 ± 0.4 |
33.5 ± 1.1 |
34.63 ± 1.36 |
3.96 ± 0.13 |
RH8 |
5.8 ± 1.2 |
1.3 ± 0.0 |
1.6 ± 0.1 |
33.7 ± 1.1 |
4.60 ± 0.91 |
0.17 ± 0.03 |
RH9 |
63.5 ± 1.2 |
3.0 ± 0.1 |
3.9 ± 0.3 |
33.6 ± 1.1 |
21.24 ± 0.99 |
1.89 ± 0.08 |
RH10 |
21.7 ± 1.2 |
0.8 ± 0.0 |
1.0 ± 0.1 |
33.7 ± 1.1 |
28.66 ± 1.63 |
0.64 ± 0.04 |
Average |
93.8 |
3.1 |
4.0 |
33.5 |
27.8 |
2.8 |
Median |
132.5 |
3.8 |
4.9 |
33.5 |
33.9 |
4.0 |
Deviation |
54.9 |
1.3 |
1.7 |
0.1 |
10.5 |
1.6 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
49.9 ± 2.0 |
6.1 ± 0.1 |
7.5 ± 0.2 |
55.4 ± 1.2 |
8.14 ± 0.48 |
0.90 ± 0.05 |
VC |
51.1 ± 1.7 |
7.1 ± 0.2 |
8.7 ± 0.2 |
55.3 ± 1.2 |
7.21 ± 0.37 |
0.92 ± 0.05 |
MX1 |
51.0 ± 1.6 |
6.1 ± 0.1 |
7.5 ± 0.2 |
55.4 ± 1.2 |
8.31 ± 0.42 |
0.92 ± 0.05 |
MX2 |
51.0 ± 1.7 |
6.2 ± 0.1 |
7.6 ± 0.2 |
55.4 ± 1.2 |
8.29 ± 0.42 |
0.92 ± 0.05 |
MX3 |
51.0 ± 1.7 |
6.2 ± 0.1 |
7.6 ± 0.2 |
55.4 ± 1.2 |
8.27 ± 0.42 |
0.92 ± 0.05 |
RH8 |
2.2 ± 1.8 |
2.0 ± 0.0 |
2.5 ± 0.1 |
55.7 ± 1.2 |
1.07 ± 0.84 |
0.04 ± 0.03 |
RH9 |
25.4 ± 2.3 |
4.8 ± 0.1 |
5.9 ± 0.1 |
55.6 ± 1.2 |
5.28 ± 0.59 |
0.46 ± 0.05 |
RH10 |
8.3 ± 1.6 |
1.2 ± 0.0 |
1.5 ± 0.0 |
55.8 ± 1.2 |
6.74 ± 1.13 |
0.15 ± 0.02 |
Average |
36.2 |
5.0 |
6.1 |
55.5 |
6.7 |
0.7 |
Median |
51.0 |
6.1 |
7.5 |
55.4 |
8.1 |
0.9 |
Deviation |
21.1 |
2.2 |
2.7 |
0.2 |
2.5 |
0.4 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00529.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00529.png)
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Velocity
![V](wi_selv_00529.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_00529.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00529.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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