Database: Wind Shock Analysis
Event ID: 20123282051
Observation time: 11/23/2012 328.86901 2051 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
2012 |
Fractional day of year |
328.869010 |
Arrival time of shock [seconds of day] |
75082.5 ± 20.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
241.531 |
Y GSE location of spacecraft [Re] |
-74.965 |
Z GSE location of spacecraft [Re] |
18.288 |
Upstream plasma points selected for analysis |
0006 |
Upstream field points selected for analysis |
0171 |
Downstream plasma points selected for analysis |
0003
|
Downstream field points selected for analysis |
0107 |
Minimum chisq/dof for RH8,RH9,RH10 |
27.71, 69.87, 95.56 |
Event added to database
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Tue Oct 8 16:02:43 2013
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Event last processed
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Tue Oct 8 17:41:32 2013
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Method selected
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RH08
|
Propagation delay to Earth [minutes]
|
-162.533 ± 54.390
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-312.3 ± 1.7 |
-377.7 ± 5.7 |
Vy GSE [km/s] |
-13.0 ± 4.5 |
23.8 ± 5.9 |
Vz GSE [km/s] |
-23.6 ± 1.7 |
-75.3 ± 2.4 |
Wi [km/s] |
20.2 ± 0.8 |
38.3 ± 0.8 |
We [km/s] |
640.1 ± 26.6 |
1210.5 ± 26.5 |
Ni [n/cc] |
5.7 ± 0.5 |
12.9 ± 0.6 |
Bx GSE [nT] |
2.5 ± 0.6 |
7.5 ± 0.4 |
By GSE [nT] |
2.3 ± 1.0 |
7.0 ± 0.9 |
Bz GSE [nT] |
-3.0 ± 0.8 |
-5.8 ± 0.8 |
Plasma Beta
|
0.247 ± 0.252
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0.284 ± 0.289
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Sound Speed [km/s]
|
26.13 ± 1.08
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49.42 ± 1.08
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Alfven Speed [km/s]
|
42.47 ± 9.08
|
71.95 ± 2.80
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.952 ± 0.265 |
0.114 ± 1.063 |
-0.282 ± 0.275 |
-16.40 ± 47.55 |
173.17 ± 63.92 |
VC |
-0.719 ± 0.036 |
0.402 ± 0.050 |
-0.567 ± 0.497 |
-34.57 ± 2.72 |
150.79 ± 3.83 |
MX1 |
-0.704 ± 0.042 |
0.411 ± 0.052 |
-0.579 ± 0.503 |
-35.35 ± 3.51 |
149.73 ± 3.96 |
MX2 |
-0.705 ± 0.039 |
0.411 ± 0.049 |
-0.578 ± 0.503 |
-35.28 ± 3.14 |
149.74 ± 3.77 |
MX3 |
-0.706 ± 0.037 |
0.412 ± 0.048 |
-0.576 ± 0.502 |
-35.19 ± 2.96 |
149.73 ± 3.69 |
RH08 |
0.089 ± 0.022 |
-0.651 ± 0.016 |
-0.754 ± 0.561 |
-48.95 ± 1.21 |
277.77 ± 1.92 |
RH09 |
-0.285 ± 0.067 |
-0.360 ± 0.065 |
-0.888 ± 0.502 |
-62.66 ± 3.90 |
231.64 ± 8.85 |
RH10 |
-0.973 ± 0.016 |
0.009 ± 0.071 |
-0.229 ± 0.225 |
-13.24 ± 3.97 |
179.50 ± 4.17 |
Average |
-0.620 |
0.094 |
-0.557 |
-35.205 |
182.759 |
Median |
-0.705 |
0.402 |
-0.576 |
-35.192 |
173.170 |
Deviation |
0.355 |
0.408 |
0.218 |
15.942 |
47.530 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
74.5 ± 3.3 |
450.5 ± 4.0 |
2.12 ± 0.19 |
VC |
79.2 ± 4.0 |
397.6 ± 4.5 |
2.12 ± 0.19 |
MX1 |
78.1 ± 4.0 |
393.2 ± 4.5 |
2.12 ± 0.19 |
MX2 |
78.2 ± 4.0 |
393.4 ± 4.5 |
2.12 ± 0.19 |
MX3 |
78.2 ± 4.0 |
393.6 ± 4.5 |
2.12 ± 0.19 |
RH08 |
78.3 ± 13.7 |
17.7 ± 1.8 |
2.12 ± 0.19 |
RH09 |
76.4 ± 9.5 |
206.7 ± 2.1 |
2.12 ± 0.19 |
RH10 |
68.6 ± 2.5 |
448.0 ± 15.1 |
2.12 ± 0.19 |
Average |
76.4 |
337.6 |
2.12 |
Median |
78.2 |
393.6 |
2.12 |
Deviation |
3.5 |
149.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
147.9 ± 1.6 |
5.9 ± 0.3 |
11.3 ± 2.4 |
49.7 ± 8.1 |
25.06 ± 1.26 |
3.03 ± 0.40 |
VC |
165.0 ± 1.5 |
4.1 ± 0.2 |
7.9 ± 1.7 |
49.9 ± 8.0 |
40.07 ± 2.37 |
3.37 ± 0.45 |
MX1 |
164.9 ± 1.5 |
4.6 ± 0.3 |
8.8 ± 1.9 |
49.8 ± 8.0 |
36.25 ± 2.15 |
3.37 ± 0.46 |
MX2 |
164.9 ± 1.5 |
4.5 ± 0.3 |
8.7 ± 1.9 |
49.8 ± 8.0 |
36.41 ± 2.16 |
3.37 ± 0.46 |
MX3 |
164.9 ± 1.5 |
4.5 ± 0.3 |
8.7 ± 1.9 |
49.8 ± 8.0 |
36.55 ± 2.17 |
3.37 ± 0.46 |
RH8 |
19.1 ± 3.4 |
4.5 ± 0.3 |
8.6 ± 1.8 |
49.8 ± 8.0 |
4.25 ± 0.54 |
0.39 ± 0.05 |
RH9 |
92.1 ± 3.0 |
5.2 ± 0.3 |
10.0 ± 2.1 |
49.8 ± 8.1 |
17.63 ± 0.56 |
1.88 ± 0.22 |
RH10 |
138.8 ± 1.9 |
8.2 ± 0.5 |
15.5 ± 3.3 |
49.3 ± 8.1 |
17.03 ± 0.79 |
2.86 ± 0.37 |
Average |
132.2 |
5.2 |
9.9 |
49.7 |
26.7 |
2.7 |
Median |
164.9 |
4.6 |
8.8 |
49.8 |
36.2 |
3.4 |
Deviation |
52.1 |
1.3 |
2.5 |
0.2 |
12.8 |
1.1 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
66.8 ± 6.1 |
10.9 ± 0.3 |
19.2 ± 0.7 |
86.6 ± 2.7 |
6.12 ± 0.72 |
0.77 ± 0.09 |
VC |
73.9 ± 6.4 |
7.6 ± 0.2 |
13.4 ± 0.5 |
87.0 ± 2.8 |
9.70 ± 1.09 |
0.85 ± 0.10 |
MX1 |
73.8 ± 6.4 |
8.4 ± 0.2 |
14.8 ± 0.6 |
86.9 ± 2.8 |
8.77 ± 0.98 |
0.85 ± 0.10 |
MX2 |
73.8 ± 6.4 |
8.4 ± 0.2 |
14.8 ± 0.6 |
86.9 ± 2.8 |
8.81 ± 0.99 |
0.85 ± 0.10 |
MX3 |
73.8 ± 6.4 |
8.4 ± 0.2 |
14.7 ± 0.6 |
86.9 ± 2.8 |
8.84 ± 0.99 |
0.85 ± 0.10 |
RH8 |
10.0 ± 5.0 |
8.3 ± 0.2 |
14.6 ± 0.6 |
86.9 ± 2.8 |
1.20 ± 0.59 |
0.11 ± 0.06 |
RH9 |
40.8 ± 3.0 |
9.7 ± 0.2 |
17.0 ± 0.7 |
86.8 ± 2.7 |
4.23 ± 0.35 |
0.47 ± 0.04 |
RH10 |
62.9 ± 5.7 |
15.1 ± 0.4 |
26.3 ± 1.0 |
86.0 ± 2.7 |
4.17 ± 0.48 |
0.73 ± 0.09 |
Average |
59.5 |
9.6 |
16.8 |
86.7 |
6.5 |
0.7 |
Median |
73.8 |
8.4 |
14.8 |
86.9 |
8.8 |
0.9 |
Deviation |
23.0 |
2.5 |
4.2 |
0.3 |
3.0 |
0.3 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00624.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00624.png)
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Velocity
![V](wi_selv_00624.png)
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Magnetic Field
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Simple
Methods
(About, Top)
Rankine Chi^2
Contour (About, Top)
Shock
Speed (About, Top)
![Shock Speed](wi_shockspeed_00624.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00624.png)
Mach Numbers (About, Top)
Page updated Fri Jun 13 11:06:02 2014
Michael L Stevens
(mstevens@cfa.harvard.edu)
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