Database: Wind Shock Analysis
Event ID: 20100461739
Observation time: 02/15/2010 46.73568 1739 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
2010 |
Fractional day of year |
46.735677 |
Arrival time of shock [seconds of day] |
63562.5 ± 20.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
197.155 |
Y GSE location of spacecraft [Re] |
-30.525 |
Z GSE location of spacecraft [Re] |
-18.787 |
Upstream plasma points selected for analysis |
0007 |
Upstream field points selected for analysis |
0213 |
Downstream plasma points selected for analysis |
0005
|
Downstream field points selected for analysis |
0170 |
Minimum chisq/dof for RH8,RH9,RH10 |
4.95, 11.29, 11.77 |
Event added to database
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Tue Sep 24 16:54:14 2013
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Event last processed
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Wed Sep 25 09:33:19 2013
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Method selected
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RH08
|
Propagation delay to Earth [minutes]
|
80.078 ± 7.148
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-295.0 ± 4.1 |
-324.2 ± 4.4 |
Vy GSE [km/s] |
-13.2 ± 2.3 |
-31.9 ± 3.6 |
Vz GSE [km/s] |
11.9 ± 11.0 |
38.3 ± 2.9 |
Wi [km/s] |
19.0 ± 4.1 |
21.3 ± 1.7 |
We [km/s] |
602.0 ± 128.8 |
672.8 ± 53.4 |
Ni [n/cc] |
8.5 ± 1.7 |
14.7 ± 0.9 |
Bx GSE [nT] |
-2.1 ± 0.3 |
-2.4 ± 0.2 |
By GSE [nT] |
-6.0 ± 0.5 |
-8.5 ± 0.5 |
Bz GSE [nT] |
-4.0 ± 1.0 |
-9.2 ± 0.1 |
Plasma Beta
|
0.109 ± 0.112
|
0.087 ± 0.085
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Sound Speed [km/s]
|
24.58 ± 5.26
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27.47 ± 2.18
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Alfven Speed [km/s]
|
58.58 ± 17.57
|
72.36 ± 2.68
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.429 ± 0.140 |
-0.814 ± 0.078 |
0.392 ± 0.371 |
23.08 ± 4.35 |
242.17 ± 9.81 |
VC |
-0.689 ± 0.128 |
-0.450 ± 0.125 |
0.568 ± 0.497 |
34.59 ± 13.16 |
213.17 ± 8.53 |
MX1 |
-0.693 ± 0.101 |
-0.638 ± 0.109 |
0.336 ± 0.323 |
19.64 ± 4.03 |
222.60 ± 8.93 |
MX2 |
-0.711 ± 0.093 |
-0.621 ± 0.106 |
0.330 ± 0.317 |
19.27 ± 4.08 |
221.15 ± 8.43 |
MX3 |
-0.730 ± 0.086 |
-0.603 ± 0.103 |
0.323 ± 0.311 |
18.83 ± 4.19 |
219.56 ± 8.02 |
RH08 |
-0.794 ± 0.015 |
0.548 ± 0.022 |
-0.263 ± 0.256 |
-15.22 ± 0.69 |
145.40 ± 1.59 |
RH09 |
-0.997 ± 0.006 |
-0.079 ± 0.068 |
0.017 ± 0.017 |
0.96 ± 3.90 |
184.51 ± 3.93 |
RH10 |
-0.995 ± 0.007 |
-0.096 ± 0.068 |
0.028 ± 0.028 |
1.60 ± 4.01 |
185.52 ± 3.92 |
Average |
-0.755 |
-0.344 |
0.216 |
12.843 |
204.260 |
Median |
-0.711 |
-0.450 |
0.330 |
19.270 |
219.559 |
Deviation |
0.183 |
0.445 |
0.267 |
15.840 |
30.654 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
55.6 ± 4.5 |
246.2 ± 4.2 |
1.62 ± 0.09 |
VC |
75.2 ± 4.8 |
336.4 ± 4.5 |
1.62 ± 0.09 |
MX1 |
58.1 ± 4.8 |
329.5 ± 4.2 |
1.62 ± 0.09 |
MX2 |
58.4 ± 4.8 |
334.6 ± 4.2 |
1.62 ± 0.09 |
MX3 |
58.8 ± 4.8 |
339.9 ± 4.2 |
1.62 ± 0.09 |
RH08 |
85.8 ± 1.7 |
239.3 ± 2.0 |
1.62 ± 0.09 |
RH09 |
70.3 ± 3.6 |
379.3 ± 2.9 |
1.62 ± 0.09 |
RH10 |
69.9 ± 3.6 |
380.6 ± 17.1 |
1.62 ± 0.09 |
Average |
66.5 |
323.2 |
1.62 |
Median |
69.9 |
336.4 |
1.62 |
Deviation |
10.6 |
53.5 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
104.1 ± 7.8 |
13.1 ± 2.9 |
33.1 ± 9.9 |
62.2 ± 18.0 |
8.30 ± 1.76 |
1.78 ± 0.41 |
VC |
120.4 ± 10.0 |
5.8 ± 1.3 |
15.0 ± 4.5 |
63.3 ± 18.2 |
21.64 ± 4.72 |
2.02 ± 0.48 |
MX1 |
112.6 ± 7.9 |
12.2 ± 2.7 |
31.0 ± 9.3 |
62.4 ± 18.1 |
9.61 ± 2.01 |
1.91 ± 0.44 |
MX2 |
112.8 ± 7.9 |
12.1 ± 2.7 |
30.7 ± 9.2 |
62.4 ± 18.1 |
9.72 ± 2.03 |
1.92 ± 0.44 |
MX3 |
112.8 ± 7.8 |
11.9 ± 2.7 |
30.4 ± 9.1 |
62.4 ± 18.1 |
9.83 ± 2.05 |
1.92 ± 0.44 |
RH8 |
15.3 ± 1.2 |
1.7 ± 0.4 |
4.3 ± 1.3 |
63.5 ± 18.2 |
9.40 ± 1.31 |
0.25 ± 0.04 |
RH9 |
84.0 ± 4.5 |
7.7 ± 1.7 |
19.7 ± 5.9 |
63.1 ± 18.2 |
11.38 ± 2.24 |
1.41 ± 0.31 |
RH10 |
85.5 ± 4.6 |
7.8 ± 1.8 |
20.2 ± 6.0 |
63.1 ± 18.2 |
11.32 ± 2.24 |
1.43 ± 0.32 |
Average |
93.4 |
9.0 |
23.0 |
62.8 |
11.4 |
1.6 |
Median |
112.6 |
11.9 |
30.4 |
63.1 |
9.8 |
1.9 |
Deviation |
34.3 |
4.0 |
10.1 |
0.5 |
4.3 |
0.6 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
66.0 ± 2.0 |
14.8 ± 1.1 |
40.9 ± 1.5 |
76.0 ± 2.6 |
4.50 ± 0.43 |
0.87 ± 0.05 |
VC |
76.9 ± 2.8 |
6.6 ± 0.5 |
18.5 ± 0.7 |
77.1 ± 2.6 |
11.76 ± 1.16 |
1.00 ± 0.04 |
MX1 |
71.6 ± 2.1 |
13.8 ± 1.0 |
38.2 ± 1.4 |
76.2 ± 2.6 |
5.22 ± 0.50 |
0.94 ± 0.04 |
MX2 |
71.7 ± 2.2 |
13.6 ± 1.0 |
37.9 ± 1.4 |
76.2 ± 2.6 |
5.28 ± 0.51 |
0.94 ± 0.04 |
MX3 |
71.8 ± 2.3 |
13.5 ± 1.0 |
37.5 ± 1.4 |
76.2 ± 2.6 |
5.35 ± 0.51 |
0.94 ± 0.04 |
RH8 |
9.3 ± 5.1 |
1.9 ± 0.1 |
5.3 ± 0.2 |
77.4 ± 2.6 |
4.96 ± 2.90 |
0.12 ± 0.06 |
RH9 |
53.1 ± 4.1 |
8.7 ± 0.6 |
24.4 ± 0.9 |
76.9 ± 2.6 |
6.14 ± 0.75 |
0.69 ± 0.04 |
RH10 |
53.9 ± 4.1 |
8.9 ± 0.6 |
24.9 ± 0.9 |
76.9 ± 2.6 |
6.10 ± 0.74 |
0.70 ± 0.04 |
Average |
59.3 |
10.2 |
28.4 |
76.6 |
6.2 |
0.8 |
Median |
71.6 |
13.5 |
37.5 |
76.9 |
5.3 |
0.9 |
Deviation |
22.0 |
4.5 |
12.5 |
0.5 |
2.3 |
0.3 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00499.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00499.png)
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Velocity
![V](wi_selv_00499.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_00499.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00499.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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