Database: Wind Shock Analysis
Event ID: 20081490117
Observation time: 05/28/2008 149.05391 0117 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
2008 |
Fractional day of year |
149.053906 |
Arrival time of shock [seconds of day] |
4657.5 ± 30.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
256.675 |
Y GSE location of spacecraft [Re] |
51.946 |
Z GSE location of spacecraft [Re] |
22.819 |
Upstream plasma points selected for analysis |
0005 |
Upstream field points selected for analysis |
0171 |
Downstream plasma points selected for analysis |
0006
|
Downstream field points selected for analysis |
0201 |
Minimum chisq/dof for RH8,RH9,RH10 |
7.90, 16.36, 17.21 |
Event added to database
|
Wed Sep 25 11:12:57 2013
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Event last processed
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Wed Sep 25 17:09:07 2013
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Method selected
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RH08
|
Propagation delay to Earth [minutes]
|
67.109 ± 3.113
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-332.5 ± 1.7 |
-369.7 ± 3.2 |
Vy GSE [km/s] |
-32.6 ± 1.1 |
-38.0 ± 1.9 |
Vz GSE [km/s] |
-10.6 ± 2.8 |
-29.4 ± 3.3 |
Wi [km/s] |
20.6 ± 0.6 |
30.8 ± 2.0 |
We [km/s] |
652.6 ± 20.2 |
975.1 ± 62.8 |
Ni [n/cc] |
10.9 ± 0.7 |
23.9 ± 1.2 |
Bx GSE [nT] |
1.9 ± 0.6 |
3.4 ± 0.5 |
By GSE [nT] |
-3.0 ± 0.3 |
-6.6 ± 0.3 |
Bz GSE [nT] |
-1.6 ± 0.9 |
-1.5 ± 1.6 |
Plasma Beta
|
0.610 ± 0.579
|
0.804 ± 0.797
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Sound Speed [km/s]
|
26.64 ± 0.83
|
39.81 ± 2.56
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Alfven Speed [km/s]
|
26.59 ± 1.50
|
34.48 ± 1.02
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.996 ± 0.092 |
-0.022 ± 0.975 |
-0.092 ± 0.092 |
-5.28 ± 55.98 |
181.25 ± 56.12 |
VC |
-0.887 ± 0.034 |
-0.131 ± 0.055 |
-0.443 ± 0.411 |
-26.29 ± 4.28 |
188.39 ± 3.54 |
MX1 |
-0.756 ± 0.173 |
-0.360 ± 0.335 |
-0.547 ± 0.485 |
-33.18 ± 7.84 |
205.46 ± 25.28 |
MX2 |
-0.831 ± 0.114 |
-0.329 ± 0.275 |
-0.449 ± 0.416 |
-26.68 ± 4.84 |
201.58 ± 18.93 |
MX3 |
-0.871 ± 0.101 |
-0.315 ± 0.249 |
-0.376 ± 0.358 |
-22.11 ± 7.58 |
199.85 ± 16.35 |
RH08 |
-0.960 ± 0.006 |
-0.127 ± 0.018 |
-0.251 ± 0.246 |
-14.56 ± 1.31 |
187.52 ± 1.09 |
RH09 |
-0.980 ± 0.014 |
-0.200 ± 0.067 |
-0.006 ± 0.006 |
-0.32 ± 4.05 |
191.53 ± 3.94 |
RH10 |
-0.980 ± 0.014 |
-0.200 ± 0.067 |
-0.006 ± 0.006 |
-0.32 ± 4.05 |
191.53 ± 3.94 |
Average |
-0.907 |
-0.210 |
-0.271 |
-16.092 |
193.389 |
Median |
-0.887 |
-0.200 |
-0.251 |
-14.560 |
191.532 |
Deviation |
0.086 |
0.117 |
0.214 |
12.878 |
8.177 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
65.4 ± 10.9 |
403.9 ± 1.0 |
2.24 ± 0.20 |
VC |
81.8 ± 13.7 |
382.8 ± 1.1 |
2.24 ± 0.20 |
MX1 |
82.1 ± 13.6 |
343.3 ± 1.0 |
2.24 ± 0.20 |
MX2 |
87.8 ± 12.8 |
368.0 ± 1.0 |
2.24 ± 0.20 |
MX3 |
88.8 ± 12.2 |
380.8 ± 1.0 |
2.24 ± 0.20 |
RH08 |
75.1 ± 12.0 |
402.4 ± 1.0 |
2.24 ± 0.20 |
RH09 |
72.2 ± 8.7 |
401.4 ± 0.9 |
2.24 ± 0.20 |
RH10 |
72.2 ± 8.7 |
401.4 ± 4.9 |
2.24 ± 0.20 |
Average |
78.2 |
385.5 |
2.24 |
Median |
81.8 |
401.4 |
2.24 |
Deviation |
8.2 |
21.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
71.2 ± 1.9 |
8.0 ± 0.2 |
11.1 ± 0.6 |
36.8 ± 0.7 |
8.91 ± 0.29 |
1.93 ± 0.07 |
VC |
78.8 ± 2.6 |
2.7 ± 0.1 |
3.8 ± 0.2 |
37.6 ± 0.7 |
29.19 ± 1.07 |
2.10 ± 0.08 |
MX1 |
74.4 ± 2.5 |
2.6 ± 0.1 |
3.6 ± 0.2 |
37.6 ± 0.7 |
28.91 ± 1.08 |
1.98 ± 0.08 |
MX2 |
76.2 ± 2.4 |
0.7 ± 0.0 |
1.0 ± 0.1 |
37.7 ± 0.7 |
107.81 ± 3.84 |
2.02 ± 0.08 |
MX3 |
76.7 ± 2.3 |
0.4 ± 0.0 |
0.6 ± 0.0 |
37.7 ± 0.7 |
193.34 ± 6.67 |
2.04 ± 0.07 |
RH8 |
76.5 ± 2.2 |
4.9 ± 0.1 |
6.8 ± 0.4 |
37.4 ± 0.7 |
15.77 ± 0.54 |
2.05 ± 0.07 |
RH9 |
69.0 ± 1.5 |
5.8 ± 0.1 |
8.1 ± 0.5 |
37.2 ± 0.7 |
11.91 ± 0.37 |
1.86 ± 0.06 |
RH10 |
69.0 ± 1.5 |
5.8 ± 0.1 |
8.1 ± 0.5 |
37.2 ± 0.7 |
11.91 ± 0.37 |
1.86 ± 0.06 |
Average |
74.0 |
3.9 |
5.4 |
37.4 |
51.0 |
2.0 |
Median |
76.2 |
4.9 |
6.8 |
37.6 |
28.9 |
2.0 |
Deviation |
3.8 |
2.7 |
3.7 |
0.3 |
66.0 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
32.3 ± 3.3 |
11.1 ± 0.4 |
14.3 ± 0.4 |
51.5 ± 2.1 |
2.91 ± 0.21 |
0.63 ± 0.04 |
VC |
36.8 ± 3.4 |
3.7 ± 0.1 |
4.9 ± 0.1 |
52.6 ± 2.1 |
9.83 ± 0.62 |
0.70 ± 0.04 |
MX1 |
34.1 ± 2.8 |
3.6 ± 0.1 |
4.7 ± 0.1 |
52.6 ± 2.1 |
9.55 ± 0.53 |
0.65 ± 0.03 |
MX2 |
35.1 ± 2.9 |
1.0 ± 0.0 |
1.3 ± 0.0 |
52.7 ± 2.1 |
35.82 ± 1.90 |
0.67 ± 0.03 |
MX3 |
35.6 ± 2.9 |
0.5 ± 0.0 |
0.7 ± 0.0 |
52.7 ± 2.1 |
64.58 ± 3.32 |
0.67 ± 0.03 |
RH8 |
35.4 ± 3.2 |
6.7 ± 0.2 |
8.8 ± 0.3 |
52.3 ± 2.1 |
5.26 ± 0.32 |
0.68 ± 0.04 |
RH9 |
31.4 ± 2.9 |
8.0 ± 0.3 |
10.5 ± 0.3 |
52.1 ± 2.1 |
3.91 ± 0.24 |
0.60 ± 0.03 |
RH10 |
31.4 ± 2.9 |
8.0 ± 0.3 |
10.5 ± 0.3 |
52.1 ± 2.1 |
3.91 ± 0.24 |
0.60 ± 0.03 |
Average |
34.0 |
5.3 |
7.0 |
52.3 |
17.0 |
0.6 |
Median |
35.1 |
6.7 |
8.8 |
52.6 |
9.6 |
0.7 |
Deviation |
2.1 |
3.7 |
4.8 |
0.4 |
22.1 |
0.0 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00473.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00473.png)
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Velocity
![V](wi_selv_00473.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_00473.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00473.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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