Database: Wind Shock Analysis
Event ID: 20131392231
Observation time: 05/19/2013 139.93825 2231 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
2013 |
Fractional day of year |
139.938247 |
Arrival time of shock [seconds of day] |
81064.5 ± 20.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
245.687 |
Y GSE location of spacecraft [Re] |
-79.856 |
Z GSE location of spacecraft [Re] |
17.492 |
Upstream plasma points selected for analysis |
0004 |
Upstream field points selected for analysis |
0148 |
Downstream plasma points selected for analysis |
0004
|
Downstream field points selected for analysis |
0131 |
Minimum chisq/dof for RH8,RH9,RH10 |
16.91, 31.19, 36.59 |
Event added to database
|
Tue Oct 8 15:33:24 2013
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Event last processed
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Tue Oct 8 17:07:46 2013
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
39.070 ± 3.438
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-368.2 ± 4.2 |
-421.4 ± 8.2 |
Vy GSE [km/s] |
-11.9 ± 1.9 |
-87.3 ± 7.7 |
Vz GSE [km/s] |
7.1 ± 2.9 |
-34.7 ± 11.4 |
Wi [km/s] |
35.6 ± 1.4 |
49.1 ± 4.9 |
We [km/s] |
1125.3 ± 43.0 |
1554.1 ± 154.8 |
Ni [n/cc] |
5.9 ± 0.1 |
11.8 ± 1.2 |
Bx GSE [nT] |
-5.0 ± 0.2 |
-8.2 ± 0.7 |
By GSE [nT] |
1.6 ± 0.3 |
8.2 ± 1.0 |
Bz GSE [nT] |
-1.6 ± 0.1 |
-2.3 ± 2.5 |
Plasma Beta
|
0.517 ± 0.577
|
0.417 ± 0.458
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Sound Speed [km/s]
|
45.94 ± 1.76
|
63.44 ± 6.32
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Alfven Speed [km/s]
|
49.67 ± 2.54
|
76.98 ± 3.20
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.872 ± 0.086 |
-0.351 ± 0.071 |
-0.341 ± 0.327 |
-19.94 ± 14.85 |
201.90 ± 4.16 |
VC |
-0.526 ± 0.076 |
-0.746 ± 0.062 |
-0.410 ± 0.385 |
-24.18 ± 6.22 |
234.81 ± 5.53 |
MX1 |
-0.810 ± 0.035 |
-0.397 ± 0.036 |
-0.432 ± 0.403 |
-25.60 ± 4.56 |
206.11 ± 2.29 |
MX2 |
-0.791 ± 0.017 |
-0.411 ± 0.028 |
-0.454 ± 0.420 |
-27.02 ± 1.34 |
207.45 ± 1.99 |
MX3 |
-0.779 ± 0.017 |
-0.420 ± 0.027 |
-0.466 ± 0.429 |
-27.76 ± 1.34 |
208.36 ± 1.94 |
RH08 |
-0.867 ± 0.020 |
-0.342 ± 0.042 |
-0.363 ± 0.346 |
-21.29 ± 1.77 |
201.56 ± 2.77 |
RH09 |
-0.984 ± 0.013 |
-0.112 ± 0.069 |
-0.140 ± 0.139 |
-8.03 ± 4.03 |
186.52 ± 4.01 |
RH10 |
-0.987 ± 0.011 |
-0.113 ± 0.070 |
-0.117 ± 0.117 |
-6.74 ± 4.01 |
186.52 ± 4.07 |
Average |
-0.827 |
-0.361 |
-0.340 |
-20.071 |
204.155 |
Median |
-0.810 |
-0.351 |
-0.363 |
-21.292 |
206.114 |
Deviation |
0.146 |
0.200 |
0.138 |
8.274 |
15.147 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
36.9 ± 2.6 |
503.1 ± 2.9 |
1.99 ± 0.24 |
VC |
66.8 ± 2.4 |
412.5 ± 5.2 |
1.99 ± 0.24 |
MX1 |
40.8 ± 2.4 |
490.2 ± 3.3 |
1.99 ± 0.24 |
MX2 |
42.1 ± 2.4 |
485.5 ± 3.4 |
1.99 ± 0.24 |
MX3 |
43.0 ± 2.4 |
482.9 ± 3.5 |
1.99 ± 0.24 |
RH08 |
36.6 ± 2.5 |
501.7 ± 2.9 |
1.99 ± 0.24 |
RH09 |
24.8 ± 2.8 |
497.2 ± 2.4 |
1.99 ± 0.24 |
RH10 |
25.3 ± 2.8 |
497.2 ± 9.7 |
1.99 ± 0.24 |
Average |
39.5 |
483.8 |
1.99 |
Median |
40.8 |
497.2 |
1.99 |
Deviation |
13.1 |
29.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
180.2 ± 5.0 |
30.0 ± 0.8 |
39.7 ± 2.0 |
60.7 ± 1.9 |
6.00 ± 0.24 |
2.97 ± 0.14 |
VC |
212.9 ± 4.3 |
13.5 ± 0.4 |
19.5 ± 1.0 |
66.3 ± 2.0 |
15.76 ± 0.57 |
3.21 ± 0.13 |
MX1 |
190.3 ± 5.1 |
28.0 ± 0.8 |
37.6 ± 1.9 |
61.6 ± 1.9 |
6.80 ± 0.27 |
3.09 ± 0.14 |
MX2 |
192.7 ± 5.1 |
27.3 ± 0.7 |
36.8 ± 1.9 |
61.9 ± 1.9 |
7.06 ± 0.28 |
3.11 ± 0.14 |
MX3 |
194.4 ± 5.1 |
26.8 ± 0.7 |
36.3 ± 1.9 |
62.1 ± 1.9 |
7.25 ± 0.28 |
3.13 ± 0.14 |
RH8 |
181.1 ± 5.1 |
30.2 ± 0.8 |
39.9 ± 2.0 |
60.6 ± 1.9 |
5.99 ± 0.24 |
2.99 ± 0.14 |
RH9 |
134.5 ± 4.6 |
36.2 ± 1.0 |
45.1 ± 2.3 |
57.2 ± 1.8 |
3.72 ± 0.16 |
2.35 ± 0.13 |
RH10 |
133.4 ± 4.6 |
35.9 ± 1.0 |
44.9 ± 2.3 |
57.4 ± 1.8 |
3.72 ± 0.16 |
2.33 ± 0.12 |
Average |
177.4 |
28.5 |
37.5 |
61.0 |
7.0 |
2.9 |
Median |
190.3 |
30.0 |
39.7 |
61.6 |
6.8 |
3.1 |
Deviation |
28.7 |
7.1 |
8.0 |
2.9 |
3.8 |
0.4 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
93.2 ± 3.2 |
43.2 ± 2.5 |
61.5 ± 2.6 |
90.1 ± 0.9 |
2.16 ± 0.15 |
1.03 ± 0.03 |
VC |
111.7 ± 3.7 |
19.5 ± 1.0 |
30.3 ± 1.3 |
98.0 ± 1.5 |
5.73 ± 0.44 |
1.14 ± 0.05 |
MX1 |
99.3 ± 2.4 |
40.3 ± 2.2 |
58.2 ± 2.4 |
91.4 ± 1.0 |
2.47 ± 0.18 |
1.09 ± 0.03 |
MX2 |
100.7 ± 2.3 |
39.3 ± 2.2 |
57.1 ± 2.4 |
91.9 ± 1.0 |
2.57 ± 0.19 |
1.10 ± 0.03 |
MX3 |
101.9 ± 2.3 |
38.7 ± 2.1 |
56.3 ± 2.3 |
92.1 ± 1.0 |
2.64 ± 0.20 |
1.11 ± 0.03 |
RH8 |
94.0 ± 3.1 |
43.5 ± 2.5 |
61.8 ± 2.6 |
90.0 ± 0.9 |
2.17 ± 0.15 |
1.04 ± 0.03 |
RH9 |
67.9 ± 6.4 |
51.7 ± 3.4 |
69.9 ± 2.9 |
85.5 ± 0.9 |
1.32 ± 0.12 |
0.79 ± 0.07 |
RH10 |
67.5 ± 6.6 |
51.4 ± 3.3 |
69.6 ± 2.9 |
85.7 ± 0.9 |
1.32 ± 0.12 |
0.79 ± 0.07 |
Average |
92.0 |
40.9 |
58.1 |
90.6 |
2.5 |
1.0 |
Median |
99.3 |
43.2 |
61.5 |
91.4 |
2.5 |
1.1 |
Deviation |
16.0 |
10.0 |
12.4 |
4.0 |
1.4 |
0.1 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00607.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00607.png)
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Velocity
![V](wi_selv_00607.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_00607.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00607.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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