Database: Wind Shock Analysis
Event ID: 20153531538
Observation time: 12/19/2015 353.65165 1538 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
2015 |
Fractional day of year |
353.651649 |
Arrival time of shock [seconds of day] |
56302.5 ± 20.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
195.069 |
Y GSE location of spacecraft [Re] |
-28.337 |
Z GSE location of spacecraft [Re] |
-10.233 |
Upstream plasma points selected for analysis |
0008 |
Upstream field points selected for analysis |
0237 |
Downstream plasma points selected for analysis |
0003
|
Downstream field points selected for analysis |
0119 |
Minimum chisq/dof for RH8,RH9,RH10 |
5.67, 19.32, 21.09 |
Event added to database
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Thu Apr 28 09:50:37 2016
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Event last processed
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Tue May 17 17:26:55 2016
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Method selected
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RH08
|
Propagation delay to Earth [minutes]
|
37.465 ± 0.398
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-362.4 ± 3.4 |
-472.4 ± 2.9 |
Vy GSE [km/s] |
-22.8 ± 3.6 |
-50.5 ± 1.5 |
Vz GSE [km/s] |
-0.6 ± 2.5 |
-9.4 ± 10.9 |
Wi [km/s] |
31.4 ± 3.8 |
56.8 ± 2.7 |
We [km/s] |
993.3 ± 119.7 |
1797.2 ± 86.3 |
Ni [n/cc] |
5.9 ± 1.2 |
16.6 ± 1.0 |
Bx GSE [nT] |
3.2 ± 0.4 |
3.3 ± 1.2 |
By GSE [nT] |
-4.7 ± 0.5 |
-14.2 ± 1.0 |
Bz GSE [nT] |
-0.9 ± 0.4 |
-0.5 ± 3.9 |
Plasma Beta
|
0.361 ± 0.359
|
0.505 ± 0.511
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Sound Speed [km/s]
|
40.55 ± 4.89
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73.37 ± 3.52
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Alfven Speed [km/s]
|
52.85 ± 8.99
|
80.19 ± 1.76
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.973 ± 0.087 |
0.116 ± 0.193 |
0.199 ± 0.196 |
11.46 ± 24.33 |
173.20 ± 11.34 |
VC |
-0.967 ± 0.010 |
-0.243 ± 0.029 |
-0.077 ± 0.077 |
-4.43 ± 4.69 |
194.12 ± 1.74 |
MX1 |
-1.000 ± 0.003 |
0.001 ± 0.115 |
-0.032 ± 0.032 |
-1.81 ± 5.40 |
179.97 ± 6.60 |
MX2 |
-0.996 ± 0.003 |
-0.021 ± 0.091 |
-0.084 ± 0.084 |
-4.82 ± 2.00 |
181.19 ± 5.21 |
MX3 |
-0.994 ± 0.004 |
-0.030 ± 0.081 |
-0.108 ± 0.107 |
-6.18 ± 1.69 |
181.75 ± 4.65 |
RH08 |
-0.996 ± 0.002 |
-0.079 ± 0.019 |
-0.050 ± 0.050 |
-2.88 ± 1.39 |
184.51 ± 1.09 |
RH09 |
-0.998 ± 0.004 |
0.044 ± 0.068 |
-0.039 ± 0.039 |
-2.24 ± 4.06 |
177.49 ± 3.91 |
RH10 |
-0.998 ± 0.004 |
0.044 ± 0.068 |
-0.039 ± 0.039 |
-2.24 ± 4.06 |
177.49 ± 3.91 |
Average |
-0.990 |
-0.021 |
-0.029 |
-1.642 |
181.216 |
Median |
-0.996 |
0.001 |
-0.039 |
-2.241 |
181.195 |
Deviation |
0.013 |
0.107 |
0.096 |
5.510 |
6.224 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
48.4 ± 4.8 |
514.2 ± 3.5 |
3.09 ± 0.20 |
VC |
71.1 ± 5.1 |
534.9 ± 3.8 |
3.09 ± 0.20 |
MX1 |
56.8 ± 5.1 |
536.7 ± 3.8 |
3.09 ± 0.20 |
MX2 |
58.7 ± 5.2 |
536.1 ± 3.8 |
3.09 ± 0.20 |
MX3 |
59.5 ± 5.2 |
535.5 ± 3.8 |
3.09 ± 0.20 |
RH08 |
61.5 ± 5.1 |
539.7 ± 3.8 |
3.09 ± 0.20 |
RH09 |
54.5 ± 5.1 |
533.2 ± 3.7 |
3.09 ± 0.20 |
RH10 |
54.5 ± 5.1 |
533.2 ± 17.9 |
3.09 ± 0.20 |
Average |
58.1 |
532.9 |
3.09 |
Median |
58.7 |
535.5 |
3.09 |
Deviation |
6.6 |
7.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
164.4 ± 3.5 |
22.7 ± 3.0 |
35.1 ± 6.0 |
62.7 ± 9.4 |
7.35 ± 0.90 |
2.67 ± 0.36 |
VC |
178.9 ± 3.6 |
10.5 ± 1.4 |
17.1 ± 2.9 |
65.8 ± 9.8 |
17.26 ± 2.04 |
2.76 ± 0.35 |
MX1 |
174.5 ± 3.4 |
18.3 ± 2.4 |
28.9 ± 4.9 |
64.1 ± 9.6 |
9.68 ± 1.16 |
2.77 ± 0.36 |
MX2 |
174.5 ± 3.3 |
17.3 ± 2.3 |
27.5 ± 4.7 |
64.4 ± 9.6 |
10.24 ± 1.22 |
2.76 ± 0.35 |
MX3 |
174.6 ± 3.3 |
16.8 ± 2.2 |
26.8 ± 4.6 |
64.5 ± 9.6 |
10.53 ± 1.25 |
2.75 ± 0.35 |
RH8 |
177.1 ± 3.4 |
15.8 ± 2.1 |
25.3 ± 4.3 |
64.8 ± 9.6 |
11.37 ± 1.36 |
2.78 ± 0.36 |
RH9 |
172.4 ± 3.3 |
19.5 ± 2.6 |
30.7 ± 5.2 |
63.7 ± 9.5 |
8.97 ± 1.08 |
2.75 ± 0.36 |
RH10 |
172.4 ± 3.3 |
19.5 ± 2.6 |
30.7 ± 5.2 |
63.7 ± 9.5 |
8.97 ± 1.08 |
2.75 ± 0.36 |
Average |
173.6 |
17.5 |
27.8 |
64.2 |
10.5 |
2.7 |
Median |
174.5 |
18.3 |
28.9 |
64.4 |
10.2 |
2.8 |
Deviation |
4.3 |
3.5 |
5.3 |
0.9 |
3.0 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
62.2 ± 3.3 |
38.4 ± 0.7 |
53.3 ± 1.2 |
101.7 ± 1.2 |
1.62 ± 0.06 |
0.61 ± 0.03 |
VC |
65.1 ± 2.9 |
17.7 ± 0.3 |
25.9 ± 0.6 |
107.3 ± 1.3 |
3.67 ± 0.12 |
0.61 ± 0.02 |
MX1 |
64.3 ± 2.9 |
30.9 ± 0.6 |
43.9 ± 1.0 |
104.3 ± 1.3 |
2.08 ± 0.07 |
0.62 ± 0.02 |
MX2 |
63.6 ± 3.0 |
29.2 ± 0.5 |
41.7 ± 0.9 |
104.7 ± 1.3 |
2.18 ± 0.08 |
0.61 ± 0.02 |
MX3 |
63.5 ± 3.1 |
28.4 ± 0.5 |
40.6 ± 0.9 |
105.0 ± 1.3 |
2.24 ± 0.09 |
0.60 ± 0.02 |
RH8 |
64.9 ± 2.9 |
26.7 ± 0.5 |
38.3 ± 0.8 |
105.4 ± 1.3 |
2.44 ± 0.08 |
0.62 ± 0.02 |
RH9 |
63.4 ± 2.9 |
33.0 ± 0.6 |
46.6 ± 1.0 |
103.6 ± 1.2 |
1.92 ± 0.07 |
0.61 ± 0.02 |
RH10 |
63.4 ± 2.9 |
33.0 ± 0.6 |
46.6 ± 1.0 |
103.6 ± 1.2 |
1.92 ± 0.07 |
0.61 ± 0.02 |
Average |
63.8 |
29.6 |
42.1 |
104.4 |
2.3 |
0.6 |
Median |
63.6 |
30.9 |
43.9 |
104.7 |
2.2 |
0.6 |
Deviation |
0.9 |
6.0 |
8.0 |
1.6 |
0.6 |
0.0 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00705.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00705.png)
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Velocity
![V](wi_selv_00705.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_00705.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00705.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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