Database: Wind Shock Analysis
Event ID: 20111920827
Observation time: 07/11/2011 192.35238 0827 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
2011 |
Fractional day of year |
192.352378 |
Arrival time of shock [seconds of day] |
30445.5 ± 20.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
212.892 |
Y GSE location of spacecraft [Re] |
-91.332 |
Z GSE location of spacecraft [Re] |
-3.567 |
Upstream plasma points selected for analysis |
0004 |
Upstream field points selected for analysis |
0130 |
Downstream plasma points selected for analysis |
0004
|
Downstream field points selected for analysis |
0138 |
Minimum chisq/dof for RH8,RH9,RH10 |
16.41, 37.32, 43.93 |
Event added to database
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Fri Sep 20 13:20:11 2013
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Event last processed
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Tue Sep 24 10:19:46 2013
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Method selected
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RH08
|
Propagation delay to Earth [minutes]
|
29.504 ± 2.939
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-493.7 ± 7.5 |
-553.3 ± 3.4 |
Vy GSE [km/s] |
-8.4 ± 3.6 |
-32.4 ± 3.0 |
Vz GSE [km/s] |
2.4 ± 4.5 |
41.6 ± 4.7 |
Wi [km/s] |
43.2 ± 1.1 |
54.9 ± 1.2 |
We [km/s] |
1365.3 ± 35.3 |
1735.8 ± 37.9 |
Ni [n/cc] |
5.0 ± 0.1 |
9.5 ± 0.6 |
Bx GSE [nT] |
0.6 ± 1.3 |
-0.1 ± 1.4 |
By GSE [nT] |
5.1 ± 0.4 |
9.1 ± 1.0 |
Bz GSE [nT] |
1.7 ± 0.7 |
5.1 ± 1.4 |
Plasma Beta
|
0.637 ± 0.661
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0.553 ± 0.583
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Sound Speed [km/s]
|
55.74 ± 1.44
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70.86 ± 1.55
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Alfven Speed [km/s]
|
54.26 ± 2.98
|
74.68 ± 6.51
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.948 ± 0.309 |
-0.303 ± 0.951 |
0.100 ± 0.100 |
5.75 ± 30.37 |
197.76 ± 57.51 |
VC |
-0.790 ± 0.057 |
-0.324 ± 0.075 |
0.521 ± 0.468 |
31.42 ± 5.82 |
202.29 ± 5.25 |
MX1 |
-0.795 ± 0.102 |
-0.435 ± 0.184 |
0.422 ± 0.395 |
24.95 ± 2.98 |
208.67 ± 13.24 |
MX2 |
-0.780 ± 0.094 |
-0.443 ± 0.158 |
0.443 ± 0.411 |
26.28 ± 4.47 |
209.61 ± 11.56 |
MX3 |
-0.769 ± 0.096 |
-0.448 ± 0.151 |
0.456 ± 0.421 |
27.11 ± 5.97 |
210.20 ± 11.07 |
RH08 |
-0.902 ± 0.014 |
-0.234 ± 0.031 |
0.363 ± 0.346 |
21.29 ± 1.80 |
194.54 ± 1.93 |
RH09 |
-0.942 ± 0.023 |
-0.335 ± 0.065 |
-0.006 ± 0.006 |
-0.32 ± 4.05 |
199.55 ± 3.94 |
RH10 |
-0.942 ± 0.023 |
-0.335 ± 0.065 |
-0.006 ± 0.006 |
-0.32 ± 4.05 |
199.55 ± 3.94 |
Average |
-0.859 |
-0.357 |
0.287 |
17.020 |
202.772 |
Median |
-0.795 |
-0.335 |
0.422 |
24.954 |
202.286 |
Deviation |
0.082 |
0.077 |
0.220 |
13.117 |
5.983 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
69.2 ± 11.8 |
611.9 ± 2.4 |
1.92 ± 0.14 |
VC |
77.1 ± 6.9 |
549.1 ± 3.5 |
1.92 ± 0.14 |
MX1 |
69.1 ± 7.4 |
551.2 ± 3.4 |
1.92 ± 0.14 |
MX2 |
69.1 ± 7.0 |
543.3 ± 3.5 |
1.92 ± 0.14 |
MX3 |
69.2 ± 6.8 |
538.1 ± 3.5 |
1.92 ± 0.14 |
RH08 |
78.4 ± 9.4 |
601.4 ± 3.0 |
1.92 ± 0.14 |
RH09 |
65.4 ± 12.6 |
601.8 ± 2.2 |
1.92 ± 0.14 |
RH10 |
65.4 ± 12.6 |
601.8 ± 8.7 |
1.92 ± 0.14 |
Average |
70.4 |
574.8 |
1.92 |
Median |
69.2 |
601.4 |
1.92 |
Deviation |
4.9 |
31.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
141.3 ± 6.0 |
14.0 ± 0.5 |
19.2 ± 1.1 |
76.5 ± 2.7 |
10.10 ± 0.63 |
1.85 ± 0.12 |
VC |
155.3 ± 3.1 |
8.7 ± 0.3 |
12.1 ± 0.7 |
77.3 ± 2.7 |
17.84 ± 0.76 |
2.01 ± 0.08 |
MX1 |
153.8 ± 3.3 |
14.1 ± 0.5 |
19.4 ± 1.1 |
76.5 ± 2.7 |
10.91 ± 0.50 |
2.01 ± 0.09 |
MX2 |
153.6 ± 3.1 |
14.1 ± 0.5 |
19.3 ± 1.1 |
76.5 ± 2.7 |
10.93 ± 0.49 |
2.01 ± 0.09 |
MX3 |
153.4 ± 2.9 |
14.0 ± 0.5 |
19.3 ± 1.1 |
76.5 ± 2.7 |
10.94 ± 0.49 |
2.01 ± 0.09 |
RH8 |
153.2 ± 4.8 |
7.9 ± 0.3 |
11.0 ± 0.6 |
77.4 ± 2.7 |
19.46 ± 0.98 |
1.98 ± 0.10 |
RH9 |
133.8 ± 6.4 |
16.6 ± 0.6 |
22.6 ± 1.2 |
76.0 ± 2.7 |
8.08 ± 0.55 |
1.76 ± 0.12 |
RH10 |
133.8 ± 6.4 |
16.6 ± 0.6 |
22.6 ± 1.2 |
76.0 ± 2.7 |
8.08 ± 0.55 |
1.76 ± 0.12 |
Average |
147.3 |
13.2 |
18.2 |
76.6 |
12.0 |
1.9 |
Median |
153.4 |
14.1 |
19.3 |
76.5 |
10.9 |
2.0 |
Deviation |
9.4 |
3.3 |
4.4 |
0.5 |
4.3 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
73.6 ± 2.7 |
18.5 ± 0.6 |
26.5 ± 2.3 |
101.4 ± 3.6 |
3.99 ± 0.14 |
0.73 ± 0.03 |
VC |
80.1 ± 2.1 |
11.5 ± 0.4 |
16.6 ± 1.5 |
102.4 ± 3.6 |
6.97 ± 0.24 |
0.78 ± 0.03 |
MX1 |
79.4 ± 2.2 |
18.6 ± 0.6 |
26.7 ± 2.3 |
101.4 ± 3.6 |
4.27 ± 0.15 |
0.78 ± 0.03 |
MX2 |
79.2 ± 2.3 |
18.6 ± 0.6 |
26.6 ± 2.3 |
101.4 ± 3.6 |
4.27 ± 0.16 |
0.78 ± 0.03 |
MX3 |
79.0 ± 2.3 |
18.5 ± 0.6 |
26.5 ± 2.3 |
101.4 ± 3.6 |
4.27 ± 0.16 |
0.78 ± 0.03 |
RH8 |
79.7 ± 2.0 |
10.4 ± 0.3 |
15.1 ± 1.3 |
102.5 ± 3.6 |
7.67 ± 0.22 |
0.78 ± 0.03 |
RH9 |
69.9 ± 3.0 |
21.9 ± 0.7 |
31.1 ± 2.7 |
100.7 ± 3.6 |
3.20 ± 0.13 |
0.69 ± 0.03 |
RH10 |
69.9 ± 3.0 |
21.9 ± 0.7 |
31.1 ± 2.7 |
100.7 ± 3.6 |
3.20 ± 0.13 |
0.69 ± 0.03 |
Average |
76.3 |
17.5 |
25.0 |
101.5 |
4.7 |
0.8 |
Median |
79.2 |
18.6 |
26.6 |
101.4 |
4.3 |
0.8 |
Deviation |
4.5 |
4.3 |
6.0 |
0.7 |
1.7 |
0.0 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00542.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00542.png)
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Velocity
![V](wi_selv_00542.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_00542.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00542.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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