Database: Wind Shock Analysis
Event ID: 20112600257
Observation time: 09/17/2011 260.12304 0257 [UT]
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General
Information (About, Top)
Year |
2011 |
Fractional day of year |
260.123038 |
Arrival time of shock [seconds of day] |
10630.5 ± 10.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
213.280 |
Y GSE location of spacecraft [Re] |
94.846 |
Z GSE location of spacecraft [Re] |
-5.147 |
Upstream plasma points selected for analysis |
0003 |
Upstream field points selected for analysis |
0088 |
Downstream plasma points selected for analysis |
0003
|
Downstream field points selected for analysis |
0085 |
Minimum chisq/dof for RH8,RH9,RH10 |
43.85, Infinity,-13993.04 |
Event added to database
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Fri Sep 20 13:44:06 2013
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Event last processed
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Tue Sep 24 10:32:47 2013
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
21.022 ± 17.988
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-375.7 ± 1.8 |
-449.7 ± 2.4 |
Vy GSE [km/s] |
-29.9 ± 2.0 |
-48.7 ± 6.4 |
Vz GSE [km/s] |
7.4 ± 3.3 |
26.2 ± 6.3 |
Wi [km/s] |
22.4 ± 1.1 |
29.3 ± 3.2 |
We [km/s] |
708.3 ± 34.5 |
927.2 ± 102.3 |
Ni [n/cc] |
4.0 ± 0.4 |
8.6 ± 0.6 |
Bx GSE [nT] |
0.6 ± 0.2 |
0.4 ± 0.2 |
By GSE [nT] |
-3.9 ± 0.4 |
-8.3 ± 0.4 |
Bz GSE [nT] |
-1.8 ± 0.5 |
-5.5 ± 0.2 |
Plasma Beta
|
0.236 ± 0.263
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0.158 ± 0.164
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Sound Speed [km/s]
|
28.92 ± 1.41
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37.85 ± 4.17
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Alfven Speed [km/s]
|
47.58 ± 7.61
|
74.24 ± 2.01
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.568 ± 0.200 |
0.581 ± 0.197 |
-0.583 ± 0.506 |
-35.69 ± 9.60 |
134.37 ± 18.59 |
VC |
-0.942 ± 0.025 |
-0.236 ± 0.064 |
0.240 ± 0.236 |
13.91 ± 4.83 |
194.07 ± 3.90 |
MX1 |
-0.947 ± 0.021 |
-0.177 ± 0.016 |
0.266 ± 0.260 |
15.45 ± 4.53 |
190.60 ± 0.94 |
MX2 |
-0.943 ± 0.021 |
-0.185 ± 0.021 |
0.275 ± 0.268 |
15.96 ± 4.43 |
191.10 ± 1.25 |
MX3 |
-0.940 ± 0.022 |
-0.191 ± 0.025 |
0.281 ± 0.274 |
16.33 ± 4.45 |
191.47 ± 1.51 |
RH08 |
-0.381 ± 0.065 |
0.579 ± 0.057 |
-0.721 ± 0.558 |
-46.11 ± 4.00 |
123.34 ± 5.85 |
RH09 |
-0.113 ± 0.026 |
0.097 ± 0.023 |
-0.989 ± 0.212 |
-81.43 ± 2.00 |
139.39 ± 2.00 |
RH10 |
0.010 ± 0.071 |
-0.766 ± 0.045 |
-0.642 ± 0.535 |
-39.98 ± 3.98 |
270.75 ± 5.34 |
Average |
-0.603 |
-0.037 |
-0.234 |
-17.693 |
179.387 |
Median |
-0.568 |
-0.177 |
0.240 |
13.913 |
191.103 |
Deviation |
0.402 |
0.450 |
0.547 |
37.943 |
47.419 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
68.6 ± 3.5 |
227.8 ± 2.4 |
2.20 ± 0.30 |
VC |
89.2 ± 2.8 |
507.9 ± 5.2 |
2.20 ± 0.30 |
MX1 |
85.5 ± 2.8 |
507.8 ± 5.0 |
2.20 ± 0.30 |
MX2 |
85.7 ± 2.8 |
506.5 ± 5.0 |
2.20 ± 0.30 |
MX3 |
85.9 ± 2.8 |
505.5 ± 5.0 |
2.20 ± 0.30 |
RH08 |
73.6 ± 4.1 |
125.5 ± 2.3 |
2.20 ± 0.30 |
RH09 |
72.6 ± 4.5 |
7.2 ± 3.2 |
2.20 ± 0.30 |
RH10 |
17.5 ± 4.1 |
24.6 ± 12.9 |
2.20 ± 0.30 |
Average |
72.3 |
301.6 |
2.20 |
Median |
85.5 |
505.5 |
2.20 |
Deviation |
23.4 |
229.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
36.1 ± 2.7 |
9.1 ± 0.1 |
17.4 ± 2.8 |
55.1 ± 6.0 |
3.98 ± 0.32 |
0.66 ± 0.11 |
VC |
145.4 ± 2.1 |
0.4 ± 0.0 |
0.7 ± 0.1 |
55.8 ± 5.9 |
409.09 ± 9.71 |
2.62 ± 0.25 |
MX1 |
144.6 ± 2.0 |
1.9 ± 0.0 |
3.7 ± 0.6 |
55.8 ± 5.9 |
74.79 ± 1.73 |
2.61 ± 0.25 |
MX2 |
144.5 ± 2.1 |
1.8 ± 0.0 |
3.6 ± 0.6 |
55.8 ± 5.9 |
78.91 ± 1.82 |
2.61 ± 0.25 |
MX3 |
144.4 ± 2.1 |
1.8 ± 0.0 |
3.4 ± 0.5 |
55.8 ± 5.9 |
82.23 ± 1.90 |
2.61 ± 0.25 |
RH8 |
5.0 ± 3.1 |
7.0 ± 0.1 |
13.5 ± 2.2 |
55.4 ± 6.0 |
0.72 ± 0.45 |
0.09 ± 0.06 |
RH9 |
-25.2 ± 3.4 |
7.4 ± 0.1 |
14.2 ± 2.3 |
55.3 ± 6.0 |
-3.41 ± 0.44 |
-0.45 ± 0.02 |
RH10 |
10.2 ± 2.1 |
26.8 ± 1.0 |
45.4 ± 7.3 |
48.8 ± 7.2 |
0.38 ± 0.08 |
0.21 ± 0.06 |
Average |
75.6 |
7.0 |
12.7 |
54.7 |
80.8 |
1.4 |
Median |
144.4 |
7.0 |
13.5 |
55.8 |
74.8 |
2.6 |
Deviation |
75.7 |
8.6 |
14.6 |
2.4 |
138.2 |
1.4 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
16.0 ± 3.3 |
12.4 ± 1.1 |
27.1 ± 0.7 |
82.5 ± 1.2 |
1.31 ± 0.36 |
0.19 ± 0.04 |
VC |
66.7 ± 2.6 |
0.5 ± 0.0 |
1.1 ± 0.0 |
83.4 ± 1.3 |
137.30 ± 9.90 |
0.80 ± 0.04 |
MX1 |
66.1 ± 2.2 |
2.7 ± 0.2 |
5.9 ± 0.2 |
83.4 ± 1.3 |
25.01 ± 1.76 |
0.79 ± 0.03 |
MX2 |
66.0 ± 2.2 |
2.5 ± 0.2 |
5.5 ± 0.2 |
83.4 ± 1.3 |
26.36 ± 1.84 |
0.79 ± 0.03 |
MX3 |
65.9 ± 2.2 |
2.4 ± 0.2 |
5.3 ± 0.1 |
83.4 ± 1.3 |
27.45 ± 1.90 |
0.79 ± 0.03 |
RH8 |
1.3 ± 3.7 |
9.6 ± 0.8 |
21.0 ± 0.6 |
82.9 ± 1.3 |
0.15 ± 0.39 |
0.02 ± 0.04 |
RH9 |
-13.1 ± 6.0 |
10.1 ± 0.9 |
22.1 ± 0.6 |
82.8 ± 1.3 |
-1.28 ± 0.53 |
-0.16 ± 0.07 |
RH10 |
8.7 ± 8.1 |
35.5 ± 3.7 |
70.8 ± 1.9 |
75.4 ± 1.8 |
0.24 ± 0.23 |
0.12 ± 0.11 |
Average |
34.7 |
9.5 |
19.9 |
82.1 |
27.1 |
0.4 |
Median |
65.9 |
9.6 |
21.0 |
83.4 |
25.0 |
0.8 |
Deviation |
34.6 |
11.4 |
22.7 |
2.7 |
46.4 |
0.4 |
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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