Database: Wind Shock Analysis
Event ID: 20012570159
Observation time: 09/14/2001 257.08311 0159 [UT]
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General
Information (About, Top)
Year |
2001 |
Fractional day of year |
257.083108 |
Arrival time of shock [seconds of day] |
7180.5 ± 3.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
40.106 |
Y GSE location of spacecraft [Re] |
-39.062 |
Z GSE location of spacecraft [Re] |
2.681 |
Upstream plasma points selected for analysis |
0008 |
Upstream field points selected for analysis |
0244 |
Downstream plasma points selected for analysis |
0005
|
Downstream field points selected for analysis |
0161 |
Minimum chisq/dof for RH8,RH9,RH10 |
11.46, 25.25, 26.20 |
Event added to database
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Mon Feb 14 11:15:24 2005
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Event last processed
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Mon Mar 30 21:38:15 2009
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Method selected
|
RH08
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Propagation delay to Earth [minutes]
|
6.381 ± 0.316
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-368.8 ± 0.5 |
-426.4 ± 3.8 |
Vy GSE [km/s] |
10.2 ± 1.2 |
-24.6 ± 3.3 |
Vz GSE [km/s] |
-3.2 ± 1.0 |
7.0 ± 5.0 |
Wi [km/s] |
16.7 ± 0.6 |
33.7 ± 1.5 |
We [km/s] |
527.1 ± 18.3 |
1064.6 ± 46.4 |
Ni [n/cc] |
10.3 ± 0.3 |
19.9 ± 2.2 |
Bx GSE [nT] |
3.6 ± 0.1 |
5.2 ± 0.8 |
By GSE [nT] |
-0.4 ± 0.2 |
-3.3 ± 2.6 |
Bz GSE [nT] |
4.4 ± 0.1 |
12.9 ± 0.4 |
Plasma Beta
|
0.183 ± 0.186
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0.230 ± 0.221
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Sound Speed [km/s]
|
21.52 ± 0.75
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43.46 ± 1.90
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Alfven Speed [km/s]
|
39.02 ± 0.87
|
71.06 ± 7.81
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.951 ± 0.078 |
-0.308 ± 0.241 |
-0.003 ± 0.003 |
-0.17 ± 11.11 |
197.94 ± 14.54 |
VC |
-0.846 ± 0.031 |
-0.512 ± 0.049 |
0.150 ± 0.149 |
8.63 ± 3.98 |
211.20 ± 3.30 |
MX1 |
-0.887 ± 0.021 |
-0.461 ± 0.041 |
0.010 ± 0.010 |
0.59 ± 3.81 |
207.46 ± 2.62 |
MX2 |
-0.882 ± 0.030 |
-0.471 ± 0.057 |
0.012 ± 0.012 |
0.68 ± 3.40 |
208.11 ± 3.71 |
MX3 |
-0.878 ± 0.036 |
-0.478 ± 0.066 |
0.012 ± 0.012 |
0.68 ± 3.27 |
208.55 ± 4.31 |
RH08 |
-0.972 ± 0.003 |
-0.234 ± 0.013 |
0.028 ± 0.028 |
1.60 ± 1.32 |
193.54 ± 0.77 |
RH09 |
-0.987 ± 0.011 |
0.009 ± 0.070 |
0.162 ± 0.161 |
9.32 ± 4.03 |
179.50 ± 4.07 |
RH10 |
-0.989 ± 0.011 |
-0.009 ± 0.070 |
0.151 ± 0.150 |
8.68 ± 4.03 |
180.50 ± 4.07 |
Average |
-0.924 |
-0.308 |
0.065 |
3.750 |
198.349 |
Median |
-0.887 |
-0.308 |
0.028 |
1.601 |
207.461 |
Deviation |
0.057 |
0.212 |
0.074 |
4.276 |
12.787 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
54.0 ± 1.6 |
483.0 ± 21.6 |
1.97 ± 0.24 |
VC |
67.1 ± 1.8 |
448.9 ± 19.3 |
1.97 ± 0.24 |
MX1 |
58.3 ± 1.8 |
462.9 ± 20.8 |
1.97 ± 0.24 |
MX2 |
58.6 ± 1.8 |
461.0 ± 20.7 |
1.97 ± 0.24 |
MX3 |
58.8 ± 1.8 |
459.7 ± 20.7 |
1.97 ± 0.24 |
RH08 |
54.5 ± 1.5 |
489.3 ± 21.6 |
1.97 ± 0.24 |
RH09 |
59.7 ± 1.1 |
483.9 ± 20.2 |
1.97 ± 0.24 |
RH10 |
59.2 ± 1.1 |
485.6 ± 20.4 |
1.97 ± 0.24 |
Average |
58.8 |
471.8 |
1.97 |
Median |
58.8 |
483.0 |
1.97 |
Deviation |
4.0 |
15.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
135.2 ± 0.6 |
11.4 ± 0.4 |
22.9 ± 0.5 |
43.1 ± 1.0 |
11.82 ± 0.42 |
3.14 ± 0.09 |
VC |
142.7 ± 0.8 |
7.4 ± 0.2 |
15.2 ± 0.3 |
43.9 ± 1.1 |
19.22 ± 0.68 |
3.25 ± 0.09 |
MX1 |
140.3 ± 0.7 |
10.2 ± 0.3 |
20.5 ± 0.5 |
43.4 ± 1.0 |
13.80 ± 0.49 |
3.24 ± 0.09 |
MX2 |
140.5 ± 0.7 |
10.1 ± 0.3 |
20.3 ± 0.5 |
43.4 ± 1.0 |
13.96 ± 0.50 |
3.24 ± 0.09 |
MX3 |
140.6 ± 0.7 |
10.0 ± 0.3 |
20.2 ± 0.5 |
43.4 ± 1.0 |
14.05 ± 0.50 |
3.24 ± 0.09 |
RH8 |
133.3 ± 0.6 |
11.3 ± 0.4 |
22.7 ± 0.5 |
43.1 ± 1.0 |
11.78 ± 0.41 |
3.09 ± 0.08 |
RH9 |
120.4 ± 0.6 |
9.7 ± 0.3 |
19.7 ± 0.4 |
43.5 ± 1.0 |
12.38 ± 0.41 |
2.77 ± 0.07 |
RH10 |
121.6 ± 0.6 |
9.9 ± 0.3 |
20.0 ± 0.4 |
43.4 ± 1.0 |
12.29 ± 0.41 |
2.80 ± 0.07 |
Average |
134.3 |
10.0 |
20.2 |
43.4 |
13.7 |
3.1 |
Median |
140.3 |
10.1 |
20.3 |
43.4 |
13.8 |
3.2 |
Deviation |
8.8 |
1.2 |
2.4 |
0.3 |
2.4 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
69.8 ± 3.2 |
22.6 ± 1.0 |
41.7 ± 4.6 |
80.3 ± 7.0 |
3.10 ± 0.22 |
0.88 ± 0.10 |
VC |
74.7 ± 2.4 |
14.6 ± 0.7 |
27.6 ± 3.0 |
82.1 ± 7.0 |
5.12 ± 0.27 |
0.92 ± 0.09 |
MX1 |
73.2 ± 2.8 |
20.0 ± 0.9 |
37.4 ± 4.1 |
80.9 ± 7.0 |
3.66 ± 0.23 |
0.91 ± 0.10 |
MX2 |
73.3 ± 2.8 |
19.8 ± 0.9 |
37.0 ± 4.1 |
81.0 ± 7.0 |
3.70 ± 0.23 |
0.91 ± 0.10 |
MX3 |
73.4 ± 2.8 |
19.7 ± 0.9 |
36.8 ± 4.0 |
81.0 ± 7.0 |
3.73 ± 0.23 |
0.91 ± 0.10 |
RH8 |
69.0 ± 3.3 |
22.3 ± 1.0 |
41.3 ± 4.5 |
80.3 ± 7.0 |
3.10 ± 0.23 |
0.87 ± 0.10 |
RH9 |
62.3 ± 3.2 |
19.1 ± 0.9 |
35.8 ± 3.9 |
81.1 ± 7.0 |
3.26 ± 0.26 |
0.77 ± 0.10 |
RH10 |
62.9 ± 3.2 |
19.5 ± 0.9 |
36.4 ± 4.0 |
81.1 ± 7.0 |
3.24 ± 0.26 |
0.78 ± 0.10 |
Average |
69.8 |
19.7 |
36.8 |
81.0 |
3.6 |
0.9 |
Median |
73.2 |
19.8 |
37.0 |
81.0 |
3.7 |
0.9 |
Deviation |
4.9 |
2.4 |
4.3 |
0.6 |
0.7 |
0.1 |
Survey interval (About, Top)
Selected
data (About, Top)
Key plasma parameters
|
Velocity
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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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