Database: Wind Shock Analysis
Event ID: 20072882144
Observation time: 10/15/2007 288.90582 2144 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
2007 |
Fractional day of year |
288.905816 |
Arrival time of shock [seconds of day] |
78262.5 ± 30.0 |
Shock type |
SF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
203.448 |
Y GSE location of spacecraft [Re] |
73.826 |
Z GSE location of spacecraft [Re] |
-10.060 |
Upstream plasma points selected for analysis |
0006 |
Upstream field points selected for analysis |
0188 |
Downstream plasma points selected for analysis |
0006
|
Downstream field points selected for analysis |
0210 |
Minimum chisq/dof for RH8,RH9,RH10 |
4.87, 5.35, 6.11 |
Event added to database
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Tue Sep 24 08:59:33 2013
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Event last processed
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Tue Oct 8 16:25:03 2013
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Method selected
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RH08
|
Propagation delay to Earth [minutes]
|
56.095 ± 29.746
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-294.1 ± 1.9 |
-312.7 ± 2.0 |
Vy GSE [km/s] |
4.1 ± 1.5 |
16.3 ± 6.1 |
Vz GSE [km/s] |
-8.7 ± 3.3 |
1.2 ± 1.3 |
Wi [km/s] |
24.7 ± 1.7 |
26.1 ± 0.7 |
We [km/s] |
780.1 ± 52.8 |
824.6 ± 23.7 |
Ni [n/cc] |
5.9 ± 0.5 |
7.7 ± 0.4 |
Bx GSE [nT] |
1.9 ± 0.8 |
-1.8 ± 0.5 |
By GSE [nT] |
-3.5 ± 0.6 |
-1.3 ± 1.3 |
Bz GSE [nT] |
-0.4 ± 0.8 |
2.3 ± 0.3 |
Plasma Beta
|
0.495 ± 0.425
|
0.943 ± 1.016
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Sound Speed [km/s]
|
31.85 ± 2.16
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33.66 ± 0.97
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Alfven Speed [km/s]
|
37.03 ± 7.03
|
27.11 ± 1.98
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.881 ± 0.519 |
-0.361 ± 1.226 |
0.307 ± 0.297 |
17.87 ± 26.39 |
202.29 ± 79.68 |
VC |
-0.781 ± 0.115 |
0.477 ± 0.171 |
0.403 ± 0.380 |
23.76 ± 8.49 |
148.55 ± 12.32 |
MX1 |
-0.740 ± 0.709 |
-0.588 ± 0.888 |
0.326 ± 0.314 |
19.03 ± 18.97 |
218.49 ± 68.56 |
MX2 |
-0.929 ± 0.393 |
-0.252 ± 1.351 |
0.270 ± 0.263 |
15.65 ± 31.38 |
195.19 ± 83.26 |
MX3 |
-0.789 ± 0.436 |
0.327 ± 0.814 |
-0.521 ± 0.468 |
-31.38 ± 33.45 |
157.51 ± 58.54 |
RH08 |
-0.495 ± 0.017 |
0.074 ± 0.058 |
-0.866 ± 0.524 |
-59.99 ± 0.98 |
171.48 ± 6.70 |
RH09 |
-0.496 ± 0.029 |
0.065 ± 0.073 |
-0.866 ± 0.524 |
-59.99 ± 1.81 |
172.48 ± 8.37 |
RH10 |
-0.496 ± 0.037 |
0.065 ± 0.073 |
-0.866 ± 0.524 |
-59.99 ± 2.37 |
172.48 ± 8.44 |
Average |
-0.701 |
-0.024 |
-0.227 |
-16.878 |
179.808 |
Median |
-0.740 |
0.065 |
0.270 |
15.648 |
172.479 |
Deviation |
0.180 |
0.355 |
0.603 |
39.628 |
23.571 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
85.1 ± 12.9 |
325.0 ± 7.1 |
1.32 ± 0.11 |
VC |
37.5 ± 15.0 |
332.1 ± 7.3 |
1.32 ± 0.11 |
MX1 |
79.9 ± 13.2 |
255.9 ± 6.1 |
1.32 ± 0.11 |
MX2 |
78.4 ± 12.6 |
348.0 ± 7.5 |
1.32 ± 0.11 |
MX3 |
53.6 ± 5.7 |
291.0 ± 7.1 |
1.32 ± 0.11 |
RH08 |
76.8 ± 8.3 |
156.8 ± 4.5 |
1.32 ± 0.11 |
RH09 |
77.3 ± 8.3 |
156.9 ± 4.4 |
1.32 ± 0.11 |
RH10 |
77.3 ± 8.3 |
156.9 ± 26.3 |
1.32 ± 0.11 |
Average |
70.7 |
252.8 |
1.32 |
Median |
77.3 |
291.0 |
1.32 |
Deviation |
16.3 |
84.2 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
70.2 ± 1.4 |
2.1 ± 0.2 |
3.2 ± 0.6 |
49.0 ± 5.7 |
34.62 ± 5.43 |
1.46 ± 0.23 |
VC |
104.1 ± 2.0 |
20.9 ± 2.4 |
29.4 ± 5.6 |
44.3 ± 5.2 |
5.04 ± 0.77 |
2.38 ± 0.37 |
MX1 |
43.6 ± 1.1 |
4.2 ± 0.5 |
6.5 ± 1.2 |
48.8 ± 5.7 |
10.55 ± 1.71 |
0.91 ± 0.15 |
MX2 |
78.1 ± 1.5 |
4.8 ± 0.5 |
7.4 ± 1.4 |
48.8 ± 5.7 |
16.44 ± 2.57 |
1.63 ± 0.26 |
MX3 |
53.1 ± 2.6 |
14.9 ± 1.7 |
22.0 ± 4.2 |
46.7 ± 5.5 |
3.63 ± 0.59 |
1.16 ± 0.20 |
RH8 |
3.5 ± 3.4 |
5.5 ± 0.6 |
8.4 ± 1.6 |
48.7 ± 5.7 |
0.66 ± 0.61 |
0.07 ± 0.07 |
RH9 |
3.3 ± 3.4 |
5.3 ± 0.6 |
8.2 ± 1.6 |
48.7 ± 5.7 |
0.64 ± 0.63 |
0.07 ± 0.07 |
RH10 |
3.3 ± 3.4 |
5.3 ± 0.6 |
8.2 ± 1.6 |
48.7 ± 5.7 |
0.64 ± 0.63 |
0.07 ± 0.07 |
Average |
44.9 |
7.9 |
11.6 |
48.0 |
9.0 |
1.0 |
Median |
53.1 |
5.3 |
8.2 |
48.7 |
5.0 |
1.2 |
Deviation |
38.7 |
6.5 |
9.0 |
1.6 |
11.8 |
0.9 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
55.1 ± 2.5 |
1.8 ± 0.1 |
2.3 ± 0.2 |
43.2 ± 0.7 |
30.44 ± 2.21 |
1.28 ± 0.07 |
VC |
79.7 ± 4.0 |
18.5 ± 0.7 |
21.5 ± 1.6 |
39.1 ± 0.4 |
4.32 ± 0.14 |
2.04 ± 0.08 |
MX1 |
33.8 ± 3.5 |
3.7 ± 0.1 |
4.8 ± 0.3 |
43.1 ± 0.7 |
9.15 ± 1.23 |
0.78 ± 0.09 |
MX2 |
61.2 ± 2.2 |
4.3 ± 0.1 |
5.4 ± 0.4 |
43.1 ± 0.7 |
14.41 ± 0.87 |
1.42 ± 0.06 |
MX3 |
39.6 ± 2.6 |
13.1 ± 0.5 |
16.1 ± 1.2 |
41.2 ± 0.6 |
3.02 ± 0.12 |
0.96 ± 0.05 |
RH8 |
2.0 ± 0.8 |
4.8 ± 0.2 |
6.2 ± 0.5 |
43.0 ± 0.6 |
0.41 ± 0.15 |
0.05 ± 0.02 |
RH9 |
1.9 ± 0.7 |
4.7 ± 0.2 |
6.0 ± 0.4 |
43.0 ± 0.7 |
0.39 ± 0.15 |
0.04 ± 0.02 |
RH10 |
1.9 ± 0.7 |
4.7 ± 0.2 |
6.0 ± 0.4 |
43.0 ± 0.7 |
0.39 ± 0.15 |
0.04 ± 0.02 |
Average |
34.4 |
6.9 |
8.5 |
42.3 |
7.8 |
0.8 |
Median |
39.6 |
4.7 |
6.0 |
43.0 |
4.3 |
1.0 |
Deviation |
30.2 |
5.7 |
6.6 |
1.5 |
10.4 |
0.7 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00581.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00581.png)
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Velocity
![V](wi_selv_00581.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_00581.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00581.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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