Database: Wind Shock Analysis
Event ID: 20111580914
Observation time: 06/07/2011 158.38516 0914 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
2011 |
Fractional day of year |
158.385156 |
Arrival time of shock [seconds of day] |
33277.5 ± 30.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
249.881 |
Y GSE location of spacecraft [Re] |
-73.461 |
Z GSE location of spacecraft [Re] |
19.435 |
Upstream plasma points selected for analysis |
0004 |
Upstream field points selected for analysis |
0128 |
Downstream plasma points selected for analysis |
0003
|
Downstream field points selected for analysis |
0114 |
Minimum chisq/dof for RH8,RH9,RH10 |
7.01, 33.16, 50.12 |
Event added to database
|
Fri Sep 20 10:34:39 2013
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Event last processed
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Tue Sep 24 10:14:13 2013
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
805.420 ± 17990.955
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-388.6 ± 0.5 |
-405.5 ± 0.6 |
Vy GSE [km/s] |
-0.4 ± 0.8 |
-17.2 ± 1.5 |
Vz GSE [km/s] |
0.2 ± 1.4 |
-7.4 ± 0.3 |
Wi [km/s] |
23.7 ± 1.0 |
25.7 ± 0.3 |
We [km/s] |
749.2 ± 32.9 |
811.2 ± 10.8 |
Ni [n/cc] |
2.4 ± 0.1 |
3.6 ± 0.1 |
Bx GSE [nT] |
3.7 ± 0.0 |
4.3 ± 0.0 |
By GSE [nT] |
-1.7 ± 0.2 |
-3.2 ± 0.0 |
Bz GSE [nT] |
-0.2 ± 0.0 |
-0.6 ± 0.0 |
Plasma Beta
|
0.178 ± 0.199
|
0.175 ± 0.178
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Sound Speed [km/s]
|
30.59 ± 1.34
|
33.12 ± 0.44
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Alfven Speed [km/s]
|
56.41 ± 2.46
|
61.36 ± 0.82
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.932 ± 0.013 |
-0.316 ± 0.034 |
-0.175 ± 0.173 |
-10.05 ± 2.22 |
198.74 ± 2.06 |
VC |
-0.676 ± 0.027 |
-0.670 ± 0.027 |
-0.307 ± 0.297 |
-17.87 ± 3.39 |
224.76 ± 1.99 |
MX1 |
-0.929 ± 0.015 |
-0.305 ± 0.030 |
-0.210 ± 0.207 |
-12.11 ± 3.34 |
198.20 ± 1.83 |
MX2 |
-0.928 ± 0.015 |
-0.304 ± 0.030 |
-0.214 ± 0.211 |
-12.37 ± 3.38 |
198.13 ± 1.83 |
MX3 |
-0.927 ± 0.016 |
-0.300 ± 0.029 |
-0.226 ± 0.222 |
-13.04 ± 3.61 |
197.96 ± 1.80 |
RH08 |
-0.006 ± 0.037 |
0.257 ± 0.019 |
-0.966 ± 0.337 |
-75.12 ± 1.12 |
91.25 ± 8.32 |
RH09 |
-0.949 ± 0.021 |
-0.264 ± 0.061 |
-0.173 ± 0.171 |
-9.97 ± 4.14 |
195.54 ± 3.68 |
RH10 |
-0.949 ± 0.022 |
-0.264 ± 0.068 |
-0.173 ± 0.171 |
-9.97 ± 4.03 |
195.54 ± 4.10 |
Average |
-0.787 |
-0.271 |
-0.305 |
-20.064 |
187.516 |
Median |
-0.928 |
-0.300 |
-0.210 |
-12.111 |
198.133 |
Deviation |
0.329 |
0.252 |
0.271 |
22.399 |
40.079 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
44.8 ± 2.8 |
436.8 ± 2.2 |
1.45 ± 0.04 |
VC |
71.1 ± 2.7 |
346.4 ± 2.6 |
1.45 ± 0.04 |
MX1 |
44.8 ± 2.7 |
435.5 ± 2.2 |
1.45 ± 0.04 |
MX2 |
44.8 ± 2.7 |
435.2 ± 2.2 |
1.45 ± 0.04 |
MX3 |
44.8 ± 2.7 |
434.6 ± 2.1 |
1.45 ± 0.04 |
RH08 |
86.1 ± 0.3 |
11.5 ± 0.7 |
1.45 ± 0.04 |
RH09 |
41.7 ± 2.8 |
441.1 ± 2.1 |
1.45 ± 0.04 |
RH10 |
41.7 ± 2.8 |
441.1 ± 7.0 |
1.45 ± 0.04 |
Average |
52.5 |
372.8 |
1.45 |
Median |
44.8 |
435.5 |
1.45 |
Deviation |
16.7 |
149.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
74.3 ± 0.6 |
20.1 ± 0.6 |
40.1 ± 1.7 |
61.0 ± 1.9 |
3.70 ± 0.13 |
1.22 ± 0.04 |
VC |
83.5 ± 0.7 |
8.8 ± 0.2 |
18.3 ± 0.8 |
63.6 ± 1.8 |
9.50 ± 0.33 |
1.31 ± 0.04 |
MX1 |
74.4 ± 0.6 |
20.1 ± 0.6 |
40.0 ± 1.7 |
61.0 ± 1.9 |
3.71 ± 0.14 |
1.22 ± 0.04 |
MX2 |
74.4 ± 0.6 |
20.1 ± 0.6 |
40.0 ± 1.7 |
61.0 ± 1.9 |
3.71 ± 0.14 |
1.22 ± 0.04 |
MX3 |
74.4 ± 0.6 |
20.1 ± 0.6 |
40.0 ± 1.7 |
61.0 ± 1.9 |
3.71 ± 0.14 |
1.22 ± 0.04 |
RH8 |
9.6 ± 1.5 |
1.8 ± 0.0 |
3.9 ± 0.2 |
64.2 ± 1.7 |
5.22 ± 0.91 |
0.15 ± 0.02 |
RH9 |
72.2 ± 0.6 |
21.3 ± 0.7 |
42.1 ± 1.8 |
60.6 ± 2.0 |
3.40 ± 0.13 |
1.19 ± 0.04 |
RH10 |
72.2 ± 0.6 |
21.3 ± 0.7 |
42.1 ± 1.8 |
60.6 ± 2.0 |
3.40 ± 0.13 |
1.19 ± 0.04 |
Average |
66.9 |
16.7 |
33.3 |
61.6 |
4.5 |
1.1 |
Median |
74.4 |
20.1 |
40.0 |
61.0 |
3.7 |
1.2 |
Deviation |
23.4 |
7.3 |
14.3 |
1.4 |
2.1 |
0.4 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
51.9 ± 0.9 |
21.8 ± 0.2 |
43.6 ± 0.6 |
66.2 ± 0.7 |
2.38 ± 0.06 |
0.78 ± 0.02 |
VC |
58.5 ± 1.2 |
9.6 ± 0.1 |
19.9 ± 0.3 |
69.1 ± 0.7 |
6.13 ± 0.17 |
0.85 ± 0.03 |
MX1 |
52.0 ± 0.8 |
21.8 ± 0.2 |
43.5 ± 0.6 |
66.2 ± 0.7 |
2.39 ± 0.06 |
0.78 ± 0.02 |
MX2 |
52.0 ± 0.8 |
21.8 ± 0.2 |
43.5 ± 0.6 |
66.2 ± 0.7 |
2.39 ± 0.06 |
0.78 ± 0.02 |
MX3 |
52.0 ± 0.8 |
21.8 ± 0.2 |
43.5 ± 0.6 |
66.3 ± 0.7 |
2.39 ± 0.06 |
0.78 ± 0.02 |
RH8 |
6.4 ± 0.5 |
2.0 ± 0.0 |
4.2 ± 0.1 |
69.7 ± 0.7 |
3.20 ± 0.24 |
0.09 ± 0.01 |
RH9 |
50.4 ± 0.8 |
23.1 ± 0.3 |
45.8 ± 0.6 |
65.8 ± 0.7 |
2.19 ± 0.06 |
0.77 ± 0.02 |
RH10 |
50.4 ± 0.8 |
23.1 ± 0.3 |
45.8 ± 0.6 |
65.8 ± 0.7 |
2.19 ± 0.06 |
0.77 ± 0.02 |
Average |
46.7 |
18.1 |
36.2 |
66.9 |
2.9 |
0.7 |
Median |
52.0 |
21.8 |
43.5 |
66.2 |
2.4 |
0.8 |
Deviation |
16.5 |
7.9 |
15.5 |
1.5 |
1.3 |
0.2 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00539.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00539.png)
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Velocity
![V](wi_selv_00539.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_00539.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00539.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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