Database: Wind Shock Analysis
Event ID: 20141091748
Observation time: 04/19/2014 109.74193 1748 [UT]
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General
Information (About, Top)
Year |
2014 |
Fractional day of year |
109.741927 |
Arrival time of shock [seconds of day] |
64102.5 ± 40.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
259.961 |
Y GSE location of spacecraft [Re] |
-24.579 |
Z GSE location of spacecraft [Re] |
20.334 |
Upstream plasma points selected for analysis |
0004 |
Upstream field points selected for analysis |
0137 |
Downstream plasma points selected for analysis |
0003
|
Downstream field points selected for analysis |
0087 |
Minimum chisq/dof for RH8,RH9,RH10 |
12.75, 27.84, 41.89 |
Event added to database
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Wed Jun 11 01:51:22 2014
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Event last processed
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Wed Jun 11 03:12:13 2014
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
47.871 ± 0.742
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-478.0 ± 0.8 |
-507.3 ± 1.6 |
Vy GSE [km/s] |
-7.0 ± 1.0 |
-21.3 ± 1.4 |
Vz GSE [km/s] |
10.5 ± 0.8 |
-2.7 ± 3.5 |
Wi [km/s] |
17.8 ± 0.5 |
22.9 ± 1.7 |
We [km/s] |
564.3 ± 15.5 |
723.5 ± 54.9 |
Ni [n/cc] |
6.3 ± 0.2 |
10.9 ± 0.7 |
Bx GSE [nT] |
-3.8 ± 0.2 |
-3.7 ± 0.6 |
By GSE [nT] |
1.9 ± 0.2 |
2.5 ± 1.1 |
Bz GSE [nT] |
3.5 ± 0.3 |
7.7 ± 0.4 |
Plasma Beta
|
0.139 ± 0.144
|
0.151 ± 0.130
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Sound Speed [km/s]
|
23.04 ± 0.63
|
29.53 ± 2.24
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Alfven Speed [km/s]
|
47.89 ± 1.29
|
59.49 ± 3.11
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.960 ± 0.055 |
0.280 ± 0.189 |
-0.014 ± 0.014 |
-0.82 ± 9.49 |
163.74 ± 11.26 |
VC |
-0.833 ± 0.036 |
-0.406 ± 0.036 |
-0.376 ± 0.357 |
-22.08 ± 5.44 |
205.99 ± 2.25 |
MX1 |
-0.990 ± 0.018 |
-0.133 ± 0.132 |
0.047 ± 0.047 |
2.67 ± 5.19 |
187.63 ± 7.61 |
MX2 |
-0.962 ± 0.012 |
-0.268 ± 0.041 |
0.042 ± 0.042 |
2.42 ± 3.55 |
195.57 ± 2.44 |
MX3 |
-0.912 ± 0.047 |
-0.408 ± 0.104 |
0.037 ± 0.037 |
2.15 ± 2.27 |
204.09 ± 6.55 |
RH08 |
-0.982 ± 0.008 |
-0.183 ± 0.042 |
0.039 ± 0.039 |
2.24 ± 1.77 |
190.53 ± 2.47 |
RH09 |
-0.979 ± 0.014 |
-0.200 ± 0.067 |
0.028 ± 0.028 |
1.60 ± 4.06 |
191.53 ± 3.91 |
RH10 |
-0.979 ± 0.014 |
-0.200 ± 0.067 |
0.028 ± 0.028 |
1.60 ± 4.06 |
191.53 ± 3.91 |
Average |
-0.950 |
-0.190 |
-0.021 |
-1.277 |
191.328 |
Median |
-0.962 |
-0.200 |
0.037 |
2.145 |
191.532 |
Deviation |
0.053 |
0.215 |
0.145 |
8.474 |
12.935 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
41.6 ± 3.4 |
517.6 ± 2.0 |
1.76 ± 0.10 |
VC |
78.9 ± 1.8 |
483.3 ± 2.3 |
1.76 ± 0.10 |
MX1 |
48.4 ± 1.8 |
551.1 ± 2.7 |
1.76 ± 0.10 |
MX2 |
53.5 ± 1.4 |
541.8 ± 2.8 |
1.76 ± 0.10 |
MX3 |
59.4 ± 1.1 |
520.3 ± 2.8 |
1.76 ± 0.10 |
RH08 |
50.5 ± 1.6 |
549.2 ± 2.7 |
1.76 ± 0.10 |
RH09 |
51.6 ± 1.6 |
548.5 ± 2.7 |
1.76 ± 0.10 |
RH10 |
51.6 ± 1.6 |
548.5 ± 9.0 |
1.76 ± 0.10 |
Average |
54.5 |
532.5 |
1.76 |
Median |
51.6 |
548.5 |
1.76 |
Deviation |
11.1 |
23.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
60.9 ± 1.0 |
16.3 ± 0.4 |
35.8 ± 1.0 |
50.6 ± 1.2 |
3.74 ± 0.15 |
1.20 ± 0.04 |
VC |
86.2 ± 0.8 |
4.0 ± 0.1 |
9.2 ± 0.2 |
53.0 ± 1.2 |
21.62 ± 0.64 |
1.63 ± 0.04 |
MX1 |
76.4 ± 0.7 |
14.3 ± 0.3 |
31.8 ± 0.9 |
51.2 ± 1.2 |
5.35 ± 0.17 |
1.49 ± 0.04 |
MX2 |
79.4 ± 0.6 |
12.7 ± 0.3 |
28.5 ± 0.8 |
51.6 ± 1.2 |
6.25 ± 0.19 |
1.54 ± 0.04 |
MX3 |
81.0 ± 0.5 |
10.8 ± 0.3 |
24.4 ± 0.7 |
52.0 ± 1.2 |
7.52 ± 0.21 |
1.56 ± 0.04 |
RH8 |
77.9 ± 0.7 |
13.7 ± 0.3 |
30.5 ± 0.8 |
51.4 ± 1.2 |
5.70 ± 0.18 |
1.52 ± 0.04 |
RH9 |
78.6 ± 0.7 |
13.3 ± 0.3 |
29.7 ± 0.8 |
51.5 ± 1.2 |
5.91 ± 0.18 |
1.53 ± 0.04 |
RH10 |
78.6 ± 0.7 |
13.3 ± 0.3 |
29.7 ± 0.8 |
51.5 ± 1.2 |
5.91 ± 0.18 |
1.53 ± 0.04 |
Average |
77.4 |
12.3 |
27.4 |
51.6 |
7.7 |
1.5 |
Median |
78.6 |
13.3 |
29.7 |
51.5 |
5.9 |
1.5 |
Deviation |
7.3 |
3.7 |
8.0 |
0.7 |
5.7 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
36.6 ± 1.3 |
20.8 ± 1.2 |
44.5 ± 2.3 |
63.1 ± 2.3 |
1.76 ± 0.06 |
0.58 ± 0.04 |
VC |
51.1 ± 1.3 |
5.1 ± 0.2 |
11.4 ± 0.6 |
66.3 ± 1.8 |
10.08 ± 0.37 |
0.77 ± 0.03 |
MX1 |
46.1 ± 1.9 |
18.2 ± 1.0 |
39.5 ± 2.1 |
63.9 ± 2.1 |
2.53 ± 0.04 |
0.72 ± 0.05 |
MX2 |
48.0 ± 2.0 |
16.2 ± 0.9 |
35.4 ± 1.8 |
64.5 ± 2.1 |
2.97 ± 0.04 |
0.75 ± 0.05 |
MX3 |
49.0 ± 2.0 |
13.7 ± 0.7 |
30.3 ± 1.6 |
65.0 ± 2.0 |
3.57 ± 0.04 |
0.75 ± 0.05 |
RH8 |
47.0 ± 1.9 |
17.4 ± 1.0 |
37.8 ± 2.0 |
64.1 ± 2.1 |
2.70 ± 0.04 |
0.73 ± 0.05 |
RH9 |
47.5 ± 1.9 |
16.9 ± 0.9 |
36.9 ± 1.9 |
64.3 ± 2.1 |
2.80 ± 0.04 |
0.74 ± 0.05 |
RH10 |
47.5 ± 1.9 |
16.9 ± 0.9 |
36.9 ± 1.9 |
64.3 ± 2.1 |
2.80 ± 0.04 |
0.74 ± 0.05 |
Average |
46.6 |
15.7 |
34.1 |
64.4 |
3.7 |
0.7 |
Median |
47.5 |
16.9 |
36.9 |
64.3 |
2.8 |
0.7 |
Deviation |
4.3 |
4.7 |
10.0 |
0.9 |
2.6 |
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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