Database: Wind Shock Analysis
Event ID: 20081761910
Observation time: 06/24/2008 176.79908 1910 [UT]
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General
Information (About, Top)
Year |
2008 |
Fractional day of year |
176.799080 |
Arrival time of shock [seconds of day] |
69040.5 ± 30.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
260.782 |
Y GSE location of spacecraft [Re] |
-37.577 |
Z GSE location of spacecraft [Re] |
23.220 |
Upstream plasma points selected for analysis |
0006 |
Upstream field points selected for analysis |
0202 |
Downstream plasma points selected for analysis |
0005
|
Downstream field points selected for analysis |
0157 |
Minimum chisq/dof for RH8,RH9,RH10 |
4.10, 7.38, 7.80 |
Event added to database
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Wed Sep 25 11:17:23 2013
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Event last processed
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Wed Sep 25 17:11:14 2013
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
66.269 ± 9.860
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-320.6 ± 0.9 |
-339.2 ± 2.2 |
Vy GSE [km/s] |
-18.7 ± 6.8 |
-28.9 ± 1.2 |
Vz GSE [km/s] |
2.5 ± 0.5 |
14.8 ± 3.6 |
Wi [km/s] |
17.9 ± 0.4 |
21.5 ± 0.4 |
We [km/s] |
564.9 ± 11.6 |
678.6 ± 13.4 |
Ni [n/cc] |
7.1 ± 0.2 |
11.6 ± 0.2 |
Bx GSE [nT] |
2.8 ± 0.1 |
3.4 ± 0.3 |
By GSE [nT] |
-2.2 ± 0.1 |
-4.6 ± 0.4 |
Bz GSE [nT] |
0.2 ± 0.1 |
-0.2 ± 1.0 |
Plasma Beta
|
0.370 ± 0.370
|
0.336 ± 0.321
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Sound Speed [km/s]
|
23.06 ± 0.47
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27.71 ± 0.55
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Alfven Speed [km/s]
|
29.38 ± 0.44
|
37.12 ± 1.22
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.989 ± 0.050 |
-0.091 ± 0.184 |
-0.119 ± 0.119 |
-6.86 ± 22.61 |
185.24 ± 10.64 |
VC |
-0.775 ± 0.120 |
-0.389 ± 0.195 |
0.498 ± 0.452 |
29.87 ± 9.29 |
206.64 ± 14.19 |
MX1 |
-0.849 ± 0.095 |
-0.246 ± 0.096 |
0.468 ± 0.430 |
27.90 ± 11.66 |
196.15 ± 6.25 |
MX2 |
-0.833 ± 0.074 |
-0.251 ± 0.078 |
0.493 ± 0.448 |
29.54 ± 8.55 |
196.78 ± 5.13 |
MX3 |
-0.813 ± 0.069 |
-0.259 ± 0.074 |
0.522 ± 0.468 |
31.47 ± 7.49 |
197.67 ± 5.03 |
RH08 |
-0.914 ± 0.013 |
-0.088 ± 0.016 |
0.397 ± 0.374 |
23.37 ± 1.93 |
185.52 ± 1.01 |
RH09 |
-0.980 ± 0.014 |
-0.043 ± 0.063 |
0.196 ± 0.193 |
11.28 ± 4.08 |
182.51 ± 3.70 |
RH10 |
-0.977 ± 0.015 |
-0.043 ± 0.067 |
0.207 ± 0.204 |
11.93 ± 4.02 |
182.51 ± 3.94 |
Average |
-0.891 |
-0.176 |
0.333 |
19.810 |
191.627 |
Median |
-0.849 |
-0.091 |
0.468 |
27.900 |
196.148 |
Deviation |
0.085 |
0.127 |
0.224 |
13.395 |
8.892 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
42.7 ± 2.4 |
365.4 ± 1.3 |
1.64 ± 0.07 |
VC |
69.6 ± 2.5 |
321.7 ± 1.0 |
1.64 ± 0.07 |
MX1 |
60.3 ± 2.4 |
340.9 ± 0.9 |
1.64 ± 0.07 |
MX2 |
61.4 ± 2.4 |
336.5 ± 0.9 |
1.64 ± 0.07 |
MX3 |
62.9 ± 2.4 |
330.1 ± 0.9 |
1.64 ± 0.07 |
RH08 |
49.7 ± 2.4 |
354.8 ± 0.8 |
1.64 ± 0.07 |
RH09 |
42.4 ± 2.5 |
369.5 ± 0.9 |
1.64 ± 0.07 |
RH10 |
42.6 ± 2.5 |
369.2 ± 4.8 |
1.64 ± 0.07 |
Average |
53.9 |
348.5 |
1.64 |
Median |
60.3 |
354.8 |
1.64 |
Deviation |
10.9 |
18.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
47.0 ± 1.4 |
14.5 ± 0.2 |
21.6 ± 0.3 |
34.4 ± 0.3 |
3.25 ± 0.09 |
1.36 ± 0.03 |
VC |
64.7 ± 3.4 |
6.4 ± 0.1 |
10.3 ± 0.2 |
36.8 ± 0.4 |
10.06 ± 0.50 |
1.76 ± 0.08 |
MX1 |
63.0 ± 2.5 |
9.3 ± 0.1 |
14.6 ± 0.2 |
36.2 ± 0.4 |
6.79 ± 0.25 |
1.74 ± 0.06 |
MX2 |
63.5 ± 2.5 |
8.9 ± 0.1 |
14.1 ± 0.2 |
36.3 ± 0.4 |
7.10 ± 0.27 |
1.75 ± 0.06 |
MX3 |
63.5 ± 2.6 |
8.5 ± 0.1 |
13.4 ± 0.2 |
36.4 ± 0.4 |
7.47 ± 0.29 |
1.74 ± 0.06 |
RH8 |
59.2 ± 1.5 |
12.5 ± 0.2 |
19.0 ± 0.3 |
35.2 ± 0.4 |
4.76 ± 0.12 |
1.68 ± 0.03 |
RH9 |
54.2 ± 1.2 |
14.6 ± 0.2 |
21.7 ± 0.3 |
34.4 ± 0.3 |
3.72 ± 0.08 |
1.57 ± 0.03 |
RH10 |
54.5 ± 1.2 |
14.5 ± 0.2 |
21.6 ± 0.3 |
34.4 ± 0.3 |
3.76 ± 0.08 |
1.58 ± 0.03 |
Average |
58.7 |
11.1 |
17.0 |
35.5 |
5.9 |
1.7 |
Median |
63.0 |
12.5 |
19.0 |
36.2 |
6.8 |
1.7 |
Deviation |
6.3 |
3.2 |
4.5 |
1.0 |
2.4 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
29.1 ± 2.7 |
17.7 ± 0.2 |
27.3 ± 0.9 |
42.8 ± 0.8 |
1.65 ± 0.14 |
0.68 ± 0.07 |
VC |
40.1 ± 0.8 |
7.9 ± 0.1 |
13.0 ± 0.4 |
45.7 ± 0.8 |
5.11 ± 0.08 |
0.88 ± 0.02 |
MX1 |
39.0 ± 0.9 |
11.4 ± 0.1 |
18.4 ± 0.6 |
44.9 ± 0.8 |
3.43 ± 0.06 |
0.87 ± 0.03 |
MX2 |
39.4 ± 0.8 |
10.9 ± 0.1 |
17.8 ± 0.6 |
45.0 ± 0.8 |
3.60 ± 0.06 |
0.87 ± 0.02 |
MX3 |
39.3 ± 0.8 |
10.4 ± 0.1 |
16.9 ± 0.6 |
45.1 ± 0.8 |
3.78 ± 0.06 |
0.87 ± 0.02 |
RH8 |
36.4 ± 1.0 |
15.2 ± 0.2 |
24.0 ± 0.8 |
43.8 ± 0.8 |
2.40 ± 0.05 |
0.83 ± 0.03 |
RH9 |
33.1 ± 1.6 |
17.8 ± 0.2 |
27.4 ± 0.9 |
42.8 ± 0.8 |
1.86 ± 0.08 |
0.77 ± 0.05 |
RH10 |
33.4 ± 1.5 |
17.7 ± 0.2 |
27.3 ± 0.9 |
42.8 ± 0.8 |
1.89 ± 0.08 |
0.78 ± 0.04 |
Average |
36.2 |
13.6 |
21.5 |
44.1 |
3.0 |
0.8 |
Median |
39.0 |
15.2 |
24.0 |
44.9 |
3.4 |
0.9 |
Deviation |
4.0 |
3.9 |
5.7 |
1.2 |
1.2 |
0.1 |
Survey interval (About, Top)
Selected
data (About, Top)
Key plasma parameters
|
Velocity
|
Magnetic Field
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Simple
Methods
(About, Top)
Rankine Chi^2
Contour (About, Top)
Shock
Speed (About, Top)
Theta Bn (About, Top)
Mach Numbers (About, Top)
Page updated Fri Jun 13 11:06:02 2014
Michael L Stevens
(mstevens@cfa.harvard.edu)
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