Database: Wind Shock Analysis
Event ID: 20132450156
Observation time: 09/02/2013 245.08116 0156 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
2013 |
Fractional day of year |
245.081163 |
Arrival time of shock [seconds of day] |
7012.5 ± 30.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
220.996 |
Y GSE location of spacecraft [Re] |
99.723 |
Z GSE location of spacecraft [Re] |
-2.760 |
Upstream plasma points selected for analysis |
0004 |
Upstream field points selected for analysis |
0129 |
Downstream plasma points selected for analysis |
0006
|
Downstream field points selected for analysis |
0193 |
Minimum chisq/dof for RH8,RH9,RH10 |
12.80, 15.51, 16.74 |
Event added to database
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Tue Jun 10 23:08:08 2014
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Event last processed
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Wed Jun 11 02:10:31 2014
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Method selected
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RH08
|
Propagation delay to Earth [minutes]
|
36.026 ± 0.993
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-433.2 ± 5.7 |
-472.0 ± 5.0 |
Vy GSE [km/s] |
-11.1 ± 4.9 |
3.9 ± 4.3 |
Vz GSE [km/s] |
-37.5 ± 6.1 |
-66.9 ± 6.8 |
Wi [km/s] |
36.8 ± 2.2 |
43.0 ± 4.5 |
We [km/s] |
1165.1 ± 70.5 |
1360.3 ± 143.7 |
Ni [n/cc] |
1.5 ± 0.1 |
2.3 ± 0.2 |
Bx GSE [nT] |
-0.8 ± 0.3 |
-0.3 ± 0.4 |
By GSE [nT] |
2.4 ± 0.4 |
3.6 ± 0.3 |
Bz GSE [nT] |
1.6 ± 0.4 |
2.9 ± 0.2 |
Plasma Beta
|
0.467 ± 0.481
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0.423 ± 0.418
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Sound Speed [km/s]
|
47.56 ± 2.88
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55.53 ± 5.87
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Alfven Speed [km/s]
|
54.11 ± 1.33
|
67.25 ± 4.11
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.789 ± 0.335 |
0.613 ± 0.431 |
0.024 ± 0.024 |
1.36 ± 22.81 |
142.16 ± 31.25 |
VC |
-0.763 ± 0.102 |
0.309 ± 0.148 |
-0.567 ± 0.497 |
-34.55 ± 9.15 |
157.96 ± 10.77 |
MX1 |
-0.743 ± 0.135 |
0.632 ± 0.156 |
-0.221 ± 0.217 |
-12.78 ± 13.37 |
139.64 ± 11.75 |
MX2 |
-0.739 ± 0.109 |
0.626 ± 0.124 |
-0.250 ± 0.245 |
-14.51 ± 12.09 |
139.74 ± 9.26 |
MX3 |
-0.734 ± 0.084 |
0.614 ± 0.094 |
-0.288 ± 0.280 |
-16.77 ± 11.17 |
140.08 ± 6.75 |
RH08 |
-0.942 ± 0.011 |
0.335 ± 0.031 |
-0.028 ± 0.028 |
-1.60 ± 2.27 |
160.45 ± 1.86 |
RH09 |
-0.963 ± 0.019 |
0.214 ± 0.068 |
0.162 ± 0.161 |
9.32 ± 4.03 |
167.47 ± 4.07 |
RH10 |
-0.961 ± 0.019 |
0.231 ± 0.068 |
0.151 ± 0.150 |
8.68 ± 4.03 |
166.46 ± 4.07 |
Average |
-0.829 |
0.447 |
-0.127 |
-7.606 |
151.743 |
Median |
-0.763 |
0.613 |
-0.028 |
-1.601 |
157.958 |
Deviation |
0.106 |
0.190 |
0.250 |
14.892 |
12.517 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
45.1 ± 3.3 |
445.0 ± 4.0 |
1.58 ± 0.21 |
VC |
81.4 ± 3.4 |
488.4 ± 6.5 |
1.58 ± 0.21 |
MX1 |
54.5 ± 3.7 |
449.3 ± 5.4 |
1.58 ± 0.21 |
MX2 |
56.0 ± 3.8 |
450.3 ± 5.6 |
1.58 ± 0.21 |
MX3 |
58.0 ± 3.9 |
452.1 ± 5.7 |
1.58 ± 0.21 |
RH08 |
60.1 ± 4.2 |
524.7 ± 3.9 |
1.58 ± 0.21 |
RH09 |
59.4 ± 6.4 |
511.8 ± 3.1 |
1.58 ± 0.21 |
RH10 |
59.0 ± 6.2 |
511.7 ± 15.0 |
1.58 ± 0.21 |
Average |
59.2 |
479.1 |
1.58 |
Median |
59.0 |
488.4 |
1.58 |
Deviation |
10.2 |
33.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
110.7 ± 2.8 |
27.2 ± 0.8 |
38.2 ± 0.9 |
66.8 ± 1.3 |
4.08 ± 0.20 |
1.66 ± 0.06 |
VC |
139.8 ± 4.0 |
5.3 ± 0.1 |
8.1 ± 0.2 |
71.9 ± 1.5 |
26.28 ± 1.22 |
1.95 ± 0.08 |
MX1 |
126.1 ± 3.1 |
21.7 ± 0.6 |
31.4 ± 0.8 |
68.7 ± 1.4 |
5.81 ± 0.25 |
1.84 ± 0.06 |
MX2 |
127.8 ± 3.2 |
20.8 ± 0.6 |
30.3 ± 0.7 |
69.0 ± 1.4 |
6.14 ± 0.26 |
1.85 ± 0.06 |
MX3 |
130.0 ± 3.3 |
19.6 ± 0.6 |
28.6 ± 0.7 |
69.4 ± 1.4 |
6.63 ± 0.28 |
1.87 ± 0.06 |
RH8 |
119.3 ± 4.1 |
18.4 ± 0.5 |
26.9 ± 0.7 |
69.7 ± 1.4 |
6.51 ± 0.39 |
1.71 ± 0.08 |
RH9 |
102.9 ± 5.2 |
18.8 ± 0.5 |
27.5 ± 0.7 |
69.6 ± 1.4 |
5.49 ± 0.42 |
1.48 ± 0.10 |
RH10 |
103.6 ± 5.0 |
19.1 ± 0.5 |
27.9 ± 0.7 |
69.5 ± 1.4 |
5.44 ± 0.40 |
1.49 ± 0.09 |
Average |
120.0 |
18.9 |
27.4 |
69.3 |
8.3 |
1.7 |
Median |
126.1 |
19.6 |
28.6 |
69.5 |
6.1 |
1.8 |
Deviation |
13.3 |
6.2 |
8.6 |
1.4 |
7.3 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
71.5 ± 2.2 |
32.3 ± 1.6 |
47.5 ± 2.9 |
81.2 ± 2.4 |
2.22 ± 0.13 |
0.88 ± 0.02 |
VC |
88.8 ± 2.6 |
6.3 ± 0.3 |
10.0 ± 0.6 |
87.2 ± 2.6 |
14.02 ± 0.85 |
1.02 ± 0.05 |
MX1 |
81.2 ± 1.6 |
25.8 ± 1.2 |
39.0 ± 2.4 |
83.5 ± 2.5 |
3.15 ± 0.17 |
0.97 ± 0.04 |
MX2 |
82.3 ± 1.6 |
24.8 ± 1.2 |
37.6 ± 2.3 |
83.8 ± 2.5 |
3.33 ± 0.18 |
0.98 ± 0.04 |
MX3 |
83.7 ± 1.7 |
23.4 ± 1.1 |
35.6 ± 2.2 |
84.2 ± 2.5 |
3.59 ± 0.19 |
0.99 ± 0.04 |
RH8 |
76.9 ± 3.4 |
21.9 ± 1.0 |
33.5 ± 2.0 |
84.6 ± 2.5 |
3.52 ± 0.24 |
0.91 ± 0.04 |
RH9 |
67.1 ± 4.9 |
22.4 ± 1.0 |
34.2 ± 2.1 |
84.5 ± 2.5 |
3.00 ± 0.28 |
0.79 ± 0.05 |
RH10 |
67.2 ± 4.8 |
22.7 ± 1.0 |
34.7 ± 2.1 |
84.4 ± 2.5 |
2.97 ± 0.27 |
0.80 ± 0.05 |
Average |
77.3 |
22.4 |
34.0 |
84.2 |
4.5 |
0.9 |
Median |
81.2 |
23.4 |
35.6 |
84.4 |
3.3 |
1.0 |
Deviation |
8.1 |
7.3 |
10.7 |
1.6 |
3.9 |
0.1 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00633.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00633.png)
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Velocity
![V](wi_selv_00633.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_00633.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00633.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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