Database: Wind Shock Analysis
Event ID: 19952030535
Observation time: 07/22/1995 203.23314 0535 [UT]
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General
Information (About, Top)
Year |
1995 |
Fractional day of year |
203.233142 |
Arrival time of shock [seconds of day] |
20143.5 ± 6.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
127.309 |
Y GSE location of spacecraft [Re] |
2.191 |
Z GSE location of spacecraft [Re] |
-12.850 |
Upstream plasma points selected for analysis |
0007 |
Upstream field points selected for analysis |
0241 |
Downstream plasma points selected for analysis |
0009
|
Downstream field points selected for analysis |
0257 |
Minimum chisq/dof for RH8,RH9,RH10 |
11.72, 15.68, 20.84 |
Event added to database
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Mon Feb 14 11:00:45 2005
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Event last processed
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Wed Mar 25 12:55:48 2009
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
116.452 ± 1225.752
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-356.5 ± 1.8 |
-368.2 ± 2.8 |
Vy GSE [km/s] |
-21.0 ± 3.4 |
-21.5 ± 1.3 |
Vz GSE [km/s] |
14.8 ± 2.4 |
-25.8 ± 3.0 |
Wi [km/s] |
18.1 ± 1.0 |
20.8 ± 0.8 |
We [km/s] |
573.2 ± 30.5 |
657.0 ± 26.7 |
Ni [n/cc] |
3.8 ± 0.2 |
7.4 ± 0.3 |
Bx GSE [nT] |
-2.4 ± 0.2 |
-4.3 ± 0.2 |
By GSE [nT] |
2.2 ± 0.1 |
4.2 ± 0.2 |
Bz GSE [nT] |
-0.9 ± 0.1 |
1.3 ± 0.3 |
Plasma Beta
|
0.231 ± 0.227
|
0.178 ± 0.171
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Sound Speed [km/s]
|
23.40 ± 1.25
|
26.82 ± 1.09
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Alfven Speed [km/s]
|
37.94 ± 1.71
|
49.25 ± 0.82
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.496 ± 0.076 |
0.381 ± 0.087 |
-0.780 ± 0.560 |
-51.28 ± 4.06 |
142.45 ± 9.29 |
VC |
-0.287 ± 0.058 |
-0.026 ± 0.090 |
-0.958 ± 0.368 |
-73.28 ± 3.43 |
185.16 ± 17.98 |
MX1 |
-0.544 ± 0.049 |
0.314 ± 0.036 |
-0.779 ± 0.560 |
-51.13 ± 4.02 |
150.01 ± 2.46 |
MX2 |
-0.562 ± 0.052 |
0.290 ± 0.044 |
-0.775 ± 0.560 |
-50.80 ± 3.99 |
152.68 ± 3.72 |
MX3 |
-0.580 ± 0.057 |
0.268 ± 0.069 |
-0.770 ± 0.561 |
-50.33 ± 3.98 |
155.20 ± 6.45 |
RH08 |
0.049 ± 0.031 |
0.745 ± 0.019 |
-0.665 ± 0.543 |
-41.67 ± 1.59 |
86.24 ± 2.37 |
RH09 |
-0.064 ± 0.068 |
0.690 ± 0.031 |
-0.721 ± 0.558 |
-46.11 ± 2.44 |
95.26 ± 5.64 |
RH10 |
-0.064 ± 0.071 |
0.690 ± 0.037 |
-0.721 ± 0.558 |
-46.11 ± 2.95 |
95.26 ± 5.86 |
Average |
-0.318 |
0.419 |
-0.771 |
-51.337 |
132.782 |
Median |
-0.287 |
0.381 |
-0.770 |
-50.327 |
150.006 |
Deviation |
0.261 |
0.268 |
0.086 |
9.493 |
35.882 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
36.8 ± 2.1 |
231.6 ± 8.9 |
1.96 ± 0.11 |
VC |
64.4 ± 2.1 |
173.7 ± 9.6 |
1.96 ± 0.11 |
MX1 |
37.7 ± 2.1 |
251.2 ± 9.0 |
1.96 ± 0.11 |
MX2 |
38.0 ± 2.1 |
258.3 ± 9.1 |
1.96 ± 0.11 |
MX3 |
38.3 ± 2.1 |
265.3 ± 9.1 |
1.96 ± 0.11 |
RH08 |
52.1 ± 2.8 |
9.3 ± 6.1 |
1.96 ± 0.11 |
RH09 |
47.6 ± 2.7 |
56.9 ± 6.9 |
1.96 ± 0.11 |
RH10 |
47.6 ± 2.7 |
56.9 ± 6.9 |
1.96 ± 0.11 |
Average |
45.3 |
162.9 |
1.96 |
Median |
47.6 |
231.6 |
1.96 |
Deviation |
9.6 |
105.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
74.4 ± 2.5 |
17.3 ± 0.6 |
30.4 ± 1.4 |
41.1 ± 1.2 |
4.31 ± 0.25 |
1.81 ± 0.04 |
VC |
85.1 ± 2.2 |
8.8 ± 0.3 |
16.4 ± 0.7 |
43.7 ± 1.1 |
9.72 ± 0.39 |
1.95 ± 0.07 |
MX1 |
75.5 ± 2.4 |
17.0 ± 0.6 |
30.0 ± 1.3 |
41.2 ± 1.2 |
4.44 ± 0.25 |
1.83 ± 0.04 |
MX2 |
75.6 ± 2.3 |
16.9 ± 0.6 |
29.9 ± 1.3 |
41.3 ± 1.2 |
4.47 ± 0.25 |
1.83 ± 0.04 |
MX3 |
75.6 ± 2.3 |
16.9 ± 0.6 |
29.8 ± 1.3 |
41.3 ± 1.2 |
4.49 ± 0.25 |
1.83 ± 0.04 |
RH8 |
52.2 ± 2.6 |
12.8 ± 0.4 |
23.3 ± 1.0 |
42.7 ± 1.1 |
4.10 ± 0.28 |
1.22 ± 0.04 |
RH9 |
59.3 ± 2.7 |
14.1 ± 0.5 |
25.6 ± 1.2 |
42.3 ± 1.2 |
4.20 ± 0.27 |
1.40 ± 0.04 |
RH10 |
59.3 ± 2.7 |
14.1 ± 0.5 |
25.6 ± 1.2 |
42.3 ± 1.2 |
4.20 ± 0.27 |
1.40 ± 0.04 |
Average |
69.6 |
14.7 |
26.4 |
42.0 |
5.0 |
1.7 |
Median |
75.5 |
16.9 |
29.8 |
42.3 |
4.4 |
1.8 |
Deviation |
11.2 |
3.0 |
4.8 |
0.9 |
1.9 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
37.1 ± 3.8 |
20.2 ± 0.7 |
39.4 ± 0.7 |
52.3 ± 0.8 |
1.84 ± 0.20 |
0.71 ± 0.08 |
VC |
42.9 ± 3.4 |
10.4 ± 0.3 |
21.3 ± 0.4 |
55.1 ± 0.8 |
4.14 ± 0.37 |
0.78 ± 0.07 |
MX1 |
37.7 ± 3.8 |
19.9 ± 0.7 |
38.9 ± 0.6 |
52.4 ± 0.8 |
1.89 ± 0.20 |
0.72 ± 0.08 |
MX2 |
37.7 ± 3.8 |
19.8 ± 0.7 |
38.8 ± 0.6 |
52.5 ± 0.8 |
1.91 ± 0.20 |
0.72 ± 0.08 |
MX3 |
37.7 ± 3.9 |
19.7 ± 0.7 |
38.7 ± 0.6 |
52.5 ± 0.8 |
1.91 ± 0.21 |
0.72 ± 0.08 |
RH8 |
26.2 ± 2.5 |
15.0 ± 0.5 |
30.3 ± 0.5 |
54.0 ± 0.8 |
1.74 ± 0.17 |
0.49 ± 0.05 |
RH9 |
29.7 ± 2.8 |
16.6 ± 0.6 |
33.2 ± 0.6 |
53.6 ± 0.8 |
1.79 ± 0.18 |
0.55 ± 0.06 |
RH10 |
29.7 ± 2.8 |
16.6 ± 0.6 |
33.2 ± 0.6 |
53.6 ± 0.8 |
1.79 ± 0.18 |
0.55 ± 0.06 |
Average |
34.8 |
17.3 |
34.2 |
53.2 |
2.1 |
0.7 |
Median |
37.7 |
19.7 |
38.7 |
53.6 |
1.9 |
0.7 |
Deviation |
5.6 |
3.4 |
6.3 |
1.0 |
0.8 |
0.1 |
Survey interval (About, Top)
Selected
data (About, Top)
Key plasma parameters
|
Velocity
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Magnetic Field
|
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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