Database: Wind Shock Analysis
Event ID: 20163140545
Observation time: 11/09/2016 314.23995 0545 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
2016 |
Fractional day of year |
314.239948 |
Arrival time of shock [seconds of day] |
20731.5 ± 20.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
213.395 |
Y GSE location of spacecraft [Re] |
-98.215 |
Z GSE location of spacecraft [Re] |
5.558 |
Upstream plasma points selected for analysis |
0005 |
Upstream field points selected for analysis |
0166 |
Downstream plasma points selected for analysis |
0004
|
Downstream field points selected for analysis |
0187 |
Minimum chisq/dof for RH8,RH9,RH10 |
5.49, 25.66, 29.25 |
Event added to database
|
Fri Jan 13 15:33:09 2017
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Event last processed
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Fri Jan 13 16:13:05 2017
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
63.812 ± 4.366
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-297.6 ± 0.8 |
-323.8 ± 2.0 |
Vy GSE [km/s] |
-8.4 ± 0.8 |
-11.1 ± 1.5 |
Vz GSE [km/s] |
-6.8 ± 1.5 |
1.2 ± 3.6 |
Wi [km/s] |
16.6 ± 0.2 |
19.9 ± 0.7 |
We [km/s] |
526.5 ± 4.9 |
629.2 ± 21.8 |
Ni [n/cc] |
15.5 ± 0.5 |
27.9 ± 0.5 |
Bx GSE [nT] |
1.6 ± 0.4 |
1.1 ± 0.2 |
By GSE [nT] |
-3.7 ± 0.2 |
-6.9 ± 0.3 |
Bz GSE [nT] |
1.5 ± 1.0 |
0.5 ± 0.4 |
Plasma Beta
|
0.473 ± 0.482
|
0.468 ± 0.500
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Sound Speed [km/s]
|
21.49 ± 0.20
|
25.69 ± 0.89
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Alfven Speed [km/s]
|
24.23 ± 0.52
|
29.19 ± 1.21
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.682 ± 0.254 |
0.477 ± 0.288 |
-0.555 ± 0.489 |
-33.69 ± 22.24 |
145.00 ± 21.89 |
VC |
-0.952 ± 0.040 |
-0.096 ± 0.052 |
0.291 ± 0.283 |
16.95 ± 7.79 |
185.76 ± 3.13 |
MX1 |
-0.966 ± 0.058 |
0.053 ± 0.274 |
0.254 ± 0.248 |
14.69 ± 12.68 |
176.84 ± 16.26 |
MX2 |
-0.960 ± 0.041 |
0.067 ± 0.227 |
0.272 ± 0.265 |
15.79 ± 7.89 |
176.01 ± 13.53 |
MX3 |
-0.950 ± 0.032 |
0.069 ± 0.204 |
0.303 ± 0.294 |
17.66 ± 5.36 |
175.84 ± 12.28 |
RH08 |
-0.967 ± 0.008 |
0.042 ± 0.022 |
0.251 ± 0.246 |
14.56 ± 1.75 |
177.49 ± 1.31 |
RH09 |
-0.902 ± 0.030 |
0.217 ± 0.069 |
-0.374 ± 0.356 |
-21.98 ± 4.01 |
166.46 ± 4.34 |
RH10 |
-0.906 ± 0.030 |
0.218 ± 0.068 |
-0.363 ± 0.346 |
-21.29 ± 4.04 |
166.46 ± 4.30 |
Average |
-0.910 |
0.131 |
0.010 |
0.336 |
171.233 |
Median |
-0.950 |
0.069 |
0.254 |
14.695 |
176.010 |
Deviation |
0.096 |
0.172 |
0.370 |
21.867 |
12.301 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
33.3 ± 3.3 |
231.2 ± 1.2 |
1.82 ± 0.05 |
VC |
80.1 ± 9.5 |
344.3 ± 0.6 |
1.82 ± 0.05 |
MX1 |
71.6 ± 9.9 |
346.7 ± 0.7 |
1.82 ± 0.05 |
MX2 |
71.4 ± 10.1 |
344.5 ± 0.6 |
1.82 ± 0.05 |
MX3 |
72.1 ± 10.4 |
341.1 ± 0.6 |
1.82 ± 0.05 |
RH08 |
72.1 ± 9.8 |
347.3 ± 0.7 |
1.82 ± 0.05 |
RH09 |
50.4 ± 2.3 |
315.3 ± 1.3 |
1.82 ± 0.05 |
RH10 |
50.5 ± 2.4 |
317.0 ± 5.4 |
1.82 ± 0.05 |
Average |
62.7 |
323.4 |
1.82 |
Median |
71.6 |
344.3 |
1.82 |
Deviation |
16.0 |
39.5 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
28.6 ± 0.8 |
15.2 ± 0.1 |
20.2 ± 0.4 |
28.6 ± 0.4 |
1.88 ± 0.06 |
1.00 ± 0.03 |
VC |
62.2 ± 1.2 |
2.8 ± 0.0 |
4.2 ± 0.1 |
32.3 ± 0.4 |
22.50 ± 0.40 |
1.93 ± 0.03 |
MX1 |
61.5 ± 1.1 |
5.1 ± 0.0 |
7.7 ± 0.2 |
32.0 ± 0.4 |
11.94 ± 0.21 |
1.92 ± 0.03 |
MX2 |
61.2 ± 1.1 |
5.2 ± 0.0 |
7.7 ± 0.2 |
32.0 ± 0.4 |
11.76 ± 0.21 |
1.91 ± 0.03 |
MX3 |
60.9 ± 1.1 |
5.0 ± 0.0 |
7.5 ± 0.2 |
32.0 ± 0.4 |
12.17 ± 0.22 |
1.90 ± 0.03 |
RH8 |
61.5 ± 1.1 |
5.0 ± 0.0 |
7.5 ± 0.2 |
32.0 ± 0.4 |
12.28 ± 0.21 |
1.92 ± 0.03 |
RH9 |
46.3 ± 0.4 |
10.9 ± 0.1 |
15.4 ± 0.3 |
30.5 ± 0.4 |
4.26 ± 0.06 |
1.52 ± 0.02 |
RH10 |
46.8 ± 0.4 |
10.8 ± 0.1 |
15.4 ± 0.3 |
30.5 ± 0.4 |
4.32 ± 0.06 |
1.53 ± 0.02 |
Average |
53.6 |
7.5 |
10.7 |
31.2 |
10.1 |
1.7 |
Median |
61.2 |
5.2 |
7.7 |
32.0 |
11.9 |
1.9 |
Deviation |
12.1 |
4.3 |
5.6 |
1.3 |
6.6 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
16.5 ± 2.5 |
18.2 ± 0.2 |
24.4 ± 1.0 |
34.4 ± 0.5 |
0.91 ± 0.14 |
0.48 ± 0.08 |
VC |
34.7 ± 1.3 |
3.3 ± 0.0 |
5.0 ± 0.2 |
38.8 ± 0.4 |
10.48 ± 0.41 |
0.89 ± 0.03 |
MX1 |
34.3 ± 1.3 |
6.2 ± 0.0 |
9.2 ± 0.4 |
38.4 ± 0.4 |
5.56 ± 0.23 |
0.89 ± 0.03 |
MX2 |
34.1 ± 1.2 |
6.2 ± 0.0 |
9.3 ± 0.4 |
38.4 ± 0.4 |
5.47 ± 0.22 |
0.89 ± 0.03 |
MX3 |
33.8 ± 1.2 |
6.0 ± 0.0 |
9.0 ± 0.4 |
38.4 ± 0.4 |
5.64 ± 0.22 |
0.88 ± 0.03 |
RH8 |
34.3 ± 1.3 |
6.0 ± 0.0 |
9.0 ± 0.4 |
38.4 ± 0.4 |
5.72 ± 0.23 |
0.89 ± 0.03 |
RH9 |
26.3 ± 2.7 |
13.0 ± 0.1 |
18.6 ± 0.8 |
36.7 ± 0.4 |
2.02 ± 0.20 |
0.72 ± 0.08 |
RH10 |
26.6 ± 2.6 |
13.0 ± 0.1 |
18.6 ± 0.8 |
36.7 ± 0.4 |
2.05 ± 0.20 |
0.73 ± 0.07 |
Average |
30.1 |
9.0 |
12.9 |
37.5 |
4.7 |
0.8 |
Median |
34.1 |
6.2 |
9.3 |
38.4 |
5.6 |
0.9 |
Deviation |
6.5 |
5.1 |
6.7 |
1.5 |
3.1 |
0.1 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00719.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00719.png)
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Velocity
![V](wi_selv_00719.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_00719.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00719.png)
Mach Numbers (About, Top)
Page updated Wed Jan 22 21:47:00 2020
Michael L Stevens
(mstevens@cfa.harvard.edu)
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