Database: Wind Shock Analysis
Event ID: 20120670328
Observation time: 03/07/2012 67.14488 0328 [UT]
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General
Information (About, Top)
Year |
2012 |
Fractional day of year |
67.144878 |
Arrival time of shock [seconds of day] |
12517.5 ± 10.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
207.830 |
Y GSE location of spacecraft [Re] |
91.839 |
Z GSE location of spacecraft [Re] |
-7.349 |
Upstream plasma points selected for analysis |
0003 |
Upstream field points selected for analysis |
0099 |
Downstream plasma points selected for analysis |
0003
|
Downstream field points selected for analysis |
0099 |
Minimum chisq/dof for RH8,RH9,RH10 |
30.29, Infinity, -2963.97 |
Event added to database
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Thu Sep 19 12:23:36 2013
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Event last processed
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Mon Oct 7 14:04:53 2013
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Method selected
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RH08
|
Propagation delay to Earth [minutes]
|
46.837 ± 3.384
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-357.7 ± 2.9 |
-421.7 ± 7.4 |
Vy GSE [km/s] |
-18.1 ± 2.3 |
-48.7 ± 3.7 |
Vz GSE [km/s] |
2.7 ± 3.2 |
17.6 ± 10.5 |
Wi [km/s] |
28.7 ± 0.4 |
37.4 ± 2.0 |
We [km/s] |
907.5 ± 11.2 |
1183.7 ± 64.3 |
Ni [n/cc] |
6.9 ± 0.4 |
12.8 ± 0.5 |
Bx GSE [nT] |
2.6 ± 0.6 |
3.7 ± 1.3 |
By GSE [nT] |
-7.2 ± 0.6 |
-12.8 ± 0.7 |
Bz GSE [nT] |
-4.6 ± 0.2 |
-10.1 ± 1.8 |
Plasma Beta
|
0.151 ± 0.156
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0.134 ± 0.125
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Sound Speed [km/s]
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37.05 ± 0.46
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48.32 ± 2.62
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Alfven Speed [km/s]
|
74.10 ± 4.58
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102.60 ± 2.89
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.749 ± 0.249 |
0.433 ± 0.360 |
-0.502 ± 0.455 |
-30.16 ± 19.16 |
149.97 ± 26.82 |
VC |
-0.880 ± 0.045 |
-0.426 ± 0.077 |
0.208 ± 0.205 |
12.03 ± 8.10 |
205.83 ± 4.94 |
MX1 |
-0.897 ± 0.064 |
-0.370 ± 0.145 |
0.241 ± 0.236 |
13.92 ± 6.00 |
202.40 ± 9.23 |
MX2 |
-0.890 ± 0.061 |
-0.380 ± 0.132 |
0.250 ± 0.245 |
14.47 ± 5.74 |
203.13 ± 8.48 |
MX3 |
-0.883 ± 0.057 |
-0.392 ± 0.119 |
0.260 ± 0.254 |
15.05 ± 5.54 |
203.93 ± 7.69 |
RH08 |
-0.885 ± 0.033 |
-0.350 ± 0.066 |
0.307 ± 0.297 |
17.89 ± 4.01 |
201.56 ± 4.24 |
RH09 |
-0.106 ± 0.025 |
0.105 ± 0.025 |
-0.989 ± 0.212 |
-81.43 ± 2.00 |
135.38 ± 2.00 |
RH10 |
-0.143 ± 0.068 |
0.789 ± 0.043 |
0.598 ± 0.514 |
36.71 ± 4.04 |
100.28 ± 4.91 |
Average |
-0.679 |
-0.074 |
0.047 |
-0.190 |
175.308 |
Median |
-0.880 |
-0.350 |
0.250 |
14.471 |
202.398 |
Deviation |
0.346 |
0.465 |
0.520 |
37.762 |
41.081 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
72.3 ± 2.9 |
328.5 ± 9.1 |
1.87 ± 0.16 |
VC |
88.9 ± 2.0 |
480.2 ± 5.0 |
1.87 ± 0.16 |
MX1 |
85.1 ± 2.0 |
485.1 ± 4.9 |
1.87 ± 0.16 |
MX2 |
85.4 ± 2.0 |
482.6 ± 4.8 |
1.87 ± 0.16 |
MX3 |
85.8 ± 1.9 |
479.9 ± 4.7 |
1.87 ± 0.16 |
RH08 |
82.4 ± 1.9 |
479.0 ± 4.5 |
1.87 ± 0.16 |
RH09 |
66.6 ± 1.9 |
20.7 ± 7.3 |
1.87 ± 0.16 |
RH10 |
9.6 ± 3.0 |
23.6 ± 5.2 |
1.87 ± 0.16 |
Average |
72.0 |
347.5 |
1.87 |
Median |
85.1 |
479.9 |
1.87 |
Deviation |
26.4 |
207.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
69.9 ± 3.6 |
10.1 ± 0.2 |
22.5 ± 1.4 |
82.2 ± 4.3 |
6.89 ± 0.22 |
0.85 ± 0.02 |
VC |
157.0 ± 2.9 |
0.6 ± 0.0 |
1.4 ± 0.1 |
82.9 ± 4.3 |
249.06 ± 4.01 |
1.90 ± 0.08 |
MX1 |
156.7 ± 2.8 |
2.8 ± 0.1 |
6.4 ± 0.4 |
82.8 ± 4.3 |
55.04 ± 0.88 |
1.89 ± 0.08 |
MX2 |
156.6 ± 2.8 |
2.7 ± 0.1 |
5.9 ± 0.4 |
82.8 ± 4.3 |
58.90 ± 0.96 |
1.89 ± 0.08 |
MX3 |
156.4 ± 2.8 |
2.5 ± 0.1 |
5.5 ± 0.3 |
82.8 ± 4.3 |
63.79 ± 1.06 |
1.89 ± 0.08 |
RH8 |
155.2 ± 2.7 |
4.4 ± 0.1 |
9.9 ± 0.6 |
82.7 ± 4.3 |
35.16 ± 0.60 |
1.88 ± 0.08 |
RH9 |
-12.7 ± 3.4 |
13.3 ± 0.3 |
29.4 ± 1.8 |
81.8 ± 4.3 |
-0.96 ± 0.27 |
-0.16 ± 0.05 |
RH10 |
-14.9 ± 1.4 |
36.4 ± 0.5 |
73.1 ± 4.5 |
74.4 ± 4.6 |
-0.41 ± 0.03 |
-0.20 ± 0.01 |
Average |
103.0 |
9.1 |
19.3 |
81.6 |
58.4 |
1.2 |
Median |
156.4 |
4.4 |
9.9 |
82.8 |
55.0 |
1.9 |
Deviation |
78.0 |
11.8 |
23.8 |
2.9 |
81.6 |
0.9 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
42.8 ± 12.4 |
13.4 ± 0.5 |
31.2 ± 0.9 |
112.7 ± 1.6 |
3.18 ± 0.79 |
0.38 ± 0.12 |
VC |
84.5 ± 2.9 |
0.8 ± 0.0 |
2.0 ± 0.1 |
113.4 ± 1.5 |
101.71 ± 0.75 |
0.75 ± 0.03 |
MX1 |
84.4 ± 2.9 |
3.8 ± 0.1 |
8.8 ± 0.2 |
113.4 ± 1.5 |
22.48 ± 0.17 |
0.74 ± 0.03 |
MX2 |
84.2 ± 2.7 |
3.5 ± 0.1 |
8.2 ± 0.2 |
113.4 ± 1.5 |
24.03 ± 0.23 |
0.74 ± 0.03 |
MX3 |
84.0 ± 2.5 |
3.2 ± 0.1 |
7.6 ± 0.2 |
113.4 ± 1.5 |
26.00 ± 0.30 |
0.74 ± 0.03 |
RH8 |
83.3 ± 2.3 |
5.8 ± 0.2 |
13.7 ± 0.4 |
113.3 ± 1.5 |
14.32 ± 0.22 |
0.74 ± 0.03 |
RH9 |
-1.6 ± 11.6 |
17.6 ± 0.7 |
40.8 ± 1.1 |
112.1 ± 1.6 |
-0.11 ± 0.65 |
-0.01 ± 0.10 |
RH10 |
-8.8 ± 2.3 |
47.5 ± 2.5 |
101.2 ± 2.8 |
103.0 ± 2.8 |
-0.18 ± 0.04 |
-0.09 ± 0.03 |
Average |
56.6 |
11.9 |
26.7 |
111.8 |
23.9 |
0.5 |
Median |
84.0 |
5.8 |
13.7 |
113.4 |
22.5 |
0.7 |
Deviation |
40.8 |
15.4 |
32.9 |
3.6 |
33.2 |
0.4 |
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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