Database: Wind Shock Analysis
Event ID: 20121681934
Observation time: 06/16/2012 168.81571 1934 [UT]
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General
Information (About, Top)
Year |
2012 |
Fractional day of year |
168.815712 |
Arrival time of shock [seconds of day] |
70477.5 ± 20.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
322.532 |
Y GSE location of spacecraft [Re] |
167.993 |
Z GSE location of spacecraft [Re] |
67.314 |
Upstream plasma points selected for analysis |
0003 |
Upstream field points selected for analysis |
0091 |
Downstream plasma points selected for analysis |
0003
|
Downstream field points selected for analysis |
0096 |
Minimum chisq/dof for RH8,RH9,RH10 |
119.54, Infinity, -5036.54 |
Event added to database
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Thu Sep 19 16:24:09 2013
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Event last processed
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Mon Oct 7 14:22:10 2013
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Method selected
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RH08
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Propagation delay to Earth [minutes]
|
54.569 ± 4.845
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-415.5 ± 1.5 |
-460.1 ± 2.3 |
Vy GSE [km/s] |
-13.5 ± 2.9 |
-19.9 ± 2.8 |
Vz GSE [km/s] |
-7.3 ± 2.0 |
-3.6 ± 2.2 |
Wi [km/s] |
29.7 ± 1.2 |
39.8 ± 0.5 |
We [km/s] |
937.9 ± 38.0 |
1259.6 ± 16.9 |
Ni [n/cc] |
18.7 ± 0.6 |
32.2 ± 0.5 |
Bx GSE [nT] |
-1.5 ± 1.0 |
1.3 ± 0.2 |
By GSE [nT] |
0.4 ± 1.8 |
9.3 ± 0.7 |
Bz GSE [nT] |
7.8 ± 0.5 |
12.6 ± 0.4 |
Plasma Beta
|
0.528 ± 0.468
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0.437 ± 0.437
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Sound Speed [km/s]
|
38.29 ± 1.55
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51.42 ± 0.69
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Alfven Speed [km/s]
|
41.20 ± 2.77
|
60.24 ± 0.67
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.343 ± 0.087 |
-0.367 ± 0.089 |
0.865 ± 0.525 |
59.87 ± 6.91 |
226.96 ± 7.74 |
VC |
-0.987 ± 0.011 |
-0.138 ± 0.069 |
0.080 ± 0.080 |
4.61 ± 3.06 |
187.96 ± 4.00 |
MX1 |
-0.761 ± 0.142 |
-0.112 ± 0.067 |
0.640 ± 0.533 |
39.77 ± 12.82 |
188.35 ± 4.77 |
MX2 |
-0.927 ± 0.025 |
0.080 ± 0.092 |
0.367 ± 0.349 |
21.50 ± 3.78 |
175.08 ± 5.70 |
MX3 |
-0.959 ± 0.025 |
0.150 ± 0.111 |
0.242 ± 0.237 |
14.01 ± 4.45 |
171.13 ± 6.61 |
RH08 |
-0.946 ± 0.023 |
0.281 ± 0.067 |
0.162 ± 0.161 |
9.32 ± 4.03 |
163.45 ± 4.07 |
RH09 |
-0.032 ± 0.009 |
0.146 ± 0.034 |
-0.989 ± 0.212 |
-81.43 ± 2.00 |
102.28 ± 2.00 |
RH10 |
-0.152 ± 0.069 |
-0.761 ± 0.046 |
-0.631 ± 0.530 |
-39.14 ± 4.02 |
258.72 ± 5.18 |
Average |
-0.638 |
-0.090 |
0.092 |
3.563 |
184.242 |
Median |
-0.761 |
0.080 |
0.242 |
14.006 |
187.957 |
Deviation |
0.398 |
0.340 |
0.620 |
44.710 |
45.992 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
27.2 ± 14.9 |
190.2 ± 3.2 |
1.72 ± 0.08 |
VC |
75.8 ± 8.6 |
519.9 ± 3.1 |
1.72 ± 0.08 |
MX1 |
41.5 ± 9.8 |
402.3 ± 3.4 |
1.72 ± 0.08 |
MX2 |
58.6 ± 6.0 |
483.4 ± 2.9 |
1.72 ± 0.08 |
MX3 |
65.8 ± 4.8 |
497.5 ± 2.7 |
1.72 ± 0.08 |
RH08 |
70.2 ± 2.7 |
486.9 ± 2.3 |
1.72 ± 0.08 |
RH09 |
20.2 ± 6.1 |
10.5 ± 2.1 |
1.72 ± 0.08 |
RH10 |
50.4 ± 14.8 |
100.5 ± 4.2 |
1.72 ± 0.08 |
Average |
51.2 |
336.4 |
1.72 |
Median |
58.6 |
483.4 |
1.72 |
Deviation |
20.2 |
204.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
49.1 ± 3.1 |
29.0 ± 0.4 |
36.6 ± 2.5 |
48.2 ± 1.0 |
1.69 ± 0.12 |
1.02 ± 0.08 |
VC |
108.4 ± 2.0 |
6.9 ± 0.1 |
10.1 ± 0.7 |
55.9 ± 1.0 |
15.70 ± 0.50 |
1.94 ± 0.07 |
MX1 |
89.5 ± 2.5 |
22.9 ± 0.3 |
30.9 ± 2.1 |
51.4 ± 1.0 |
3.90 ± 0.15 |
1.74 ± 0.08 |
MX2 |
101.9 ± 1.7 |
15.1 ± 0.2 |
21.5 ± 1.4 |
54.2 ± 1.0 |
6.73 ± 0.20 |
1.88 ± 0.07 |
MX3 |
102.9 ± 1.3 |
11.7 ± 0.2 |
16.9 ± 1.1 |
55.1 ± 1.0 |
8.77 ± 0.23 |
1.87 ± 0.06 |
RH8 |
98.8 ± 0.9 |
9.6 ± 0.1 |
13.9 ± 0.9 |
55.5 ± 1.0 |
10.29 ± 0.23 |
1.78 ± 0.05 |
RH9 |
-7.9 ± 2.3 |
31.8 ± 0.4 |
38.7 ± 2.6 |
46.4 ± 1.0 |
-0.25 ± 0.08 |
-0.17 ± 0.05 |
RH10 |
22.6 ± 1.6 |
18.9 ± 0.3 |
26.2 ± 1.8 |
53.0 ± 1.0 |
1.19 ± 0.10 |
0.43 ± 0.04 |
Average |
70.7 |
18.3 |
24.4 |
52.5 |
6.0 |
1.3 |
Median |
98.8 |
18.9 |
26.2 |
54.2 |
6.7 |
1.8 |
Deviation |
44.0 |
9.1 |
10.5 |
3.5 |
5.4 |
0.8 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
28.3 ± 3.5 |
40.5 ± 0.5 |
53.6 ± 0.6 |
68.1 ± 0.8 |
0.70 ± 0.08 |
0.42 ± 0.05 |
VC |
63.2 ± 2.8 |
9.7 ± 0.1 |
14.8 ± 0.2 |
78.6 ± 0.9 |
6.55 ± 0.22 |
0.80 ± 0.03 |
MX1 |
52.5 ± 3.3 |
32.0 ± 0.4 |
45.1 ± 0.5 |
72.4 ± 0.9 |
1.64 ± 0.09 |
0.72 ± 0.04 |
MX2 |
59.8 ± 2.7 |
21.2 ± 0.3 |
31.4 ± 0.4 |
76.3 ± 0.9 |
2.82 ± 0.10 |
0.78 ± 0.03 |
MX3 |
60.3 ± 2.3 |
16.4 ± 0.2 |
24.7 ± 0.3 |
77.5 ± 0.9 |
3.67 ± 0.11 |
0.78 ± 0.02 |
RH8 |
57.9 ± 1.8 |
13.4 ± 0.2 |
20.4 ± 0.2 |
78.1 ± 0.9 |
4.31 ± 0.11 |
0.74 ± 0.02 |
RH9 |
-4.7 ± 2.4 |
44.3 ± 0.6 |
56.6 ± 0.6 |
65.7 ± 0.8 |
-0.11 ± 0.05 |
-0.07 ± 0.04 |
RH10 |
13.3 ± 1.7 |
26.4 ± 0.3 |
38.4 ± 0.4 |
74.7 ± 0.9 |
0.50 ± 0.06 |
0.18 ± 0.02 |
Average |
41.3 |
25.5 |
35.6 |
73.9 |
2.5 |
0.5 |
Median |
57.9 |
26.4 |
38.4 |
76.3 |
2.8 |
0.7 |
Deviation |
25.8 |
12.6 |
15.4 |
4.8 |
2.3 |
0.3 |
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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