Database: Wind Shock Analysis
Event ID: 20151911456
Observation time: 07/10/2015 191.62290 1456 [UT]
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General
Information (About, Top)
Year |
2015 |
Fractional day of year |
191.622899 |
Arrival time of shock [seconds of day] |
53818.5 ± 40.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
202.817 |
Y GSE location of spacecraft [Re] |
29.622 |
Z GSE location of spacecraft [Re] |
-14.749 |
Upstream plasma points selected for analysis |
0006 |
Upstream field points selected for analysis |
0198 |
Downstream plasma points selected for analysis |
0003
|
Downstream field points selected for analysis |
0116 |
Minimum chisq/dof for RH8,RH9,RH10 |
12.71, 17.54, 19.91 |
Event added to database
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Thu Jan 28 17:06:00 2016
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Event last processed
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Tue May 17 17:08:47 2016
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
57.017 ± 2.874
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-324.4 ± 0.9 |
-335.6 ± 1.1 |
Vy GSE [km/s] |
-30.0 ± 0.4 |
-41.1 ± 0.9 |
Vz GSE [km/s] |
-5.3 ± 0.8 |
6.3 ± 1.5 |
Wi [km/s] |
25.3 ± 0.8 |
27.5 ± 0.8 |
We [km/s] |
800.6 ± 24.6 |
868.5 ± 25.0 |
Ni [n/cc] |
8.2 ± 0.3 |
11.3 ± 0.6 |
Bx GSE [nT] |
4.8 ± 0.1 |
5.5 ± 0.1 |
By GSE [nT] |
-0.8 ± 0.2 |
-2.7 ± 0.3 |
Bz GSE [nT] |
1.0 ± 0.2 |
1.2 ± 0.4 |
Plasma Beta
|
0.450 ± 0.462
|
0.455 ± 0.433
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Sound Speed [km/s]
|
32.68 ± 1.01
|
35.46 ± 1.02
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Alfven Speed [km/s]
|
37.82 ± 1.10
|
40.83 ± 1.43
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.920 ± 0.047 |
-0.377 ± 0.110 |
-0.109 ± 0.109 |
-6.26 ± 8.04 |
202.26 ± 6.84 |
VC |
-0.576 ± 0.056 |
-0.572 ± 0.056 |
0.584 ± 0.506 |
35.74 ± 3.83 |
224.78 ± 4.83 |
MX1 |
-0.898 ± 0.032 |
-0.312 ± 0.053 |
0.310 ± 0.299 |
18.04 ± 5.25 |
199.16 ± 3.30 |
MX2 |
-0.868 ± 0.024 |
-0.293 ± 0.044 |
0.402 ± 0.379 |
23.71 ± 2.91 |
198.66 ± 2.85 |
MX3 |
-0.793 ± 0.026 |
-0.241 ± 0.045 |
0.559 ± 0.492 |
34.00 ± 2.41 |
196.92 ± 3.21 |
RH08 |
-0.959 ± 0.007 |
-0.110 ± 0.017 |
0.263 ± 0.256 |
15.22 ± 1.41 |
186.52 ± 1.03 |
RH09 |
-0.974 ± 0.016 |
-0.094 ± 0.063 |
0.207 ± 0.204 |
11.93 ± 4.02 |
185.52 ± 3.70 |
RH10 |
-0.974 ± 0.016 |
-0.094 ± 0.068 |
0.207 ± 0.204 |
11.93 ± 4.00 |
185.52 ± 4.01 |
Average |
-0.870 |
-0.262 |
0.303 |
18.038 |
197.416 |
Median |
-0.898 |
-0.241 |
0.310 |
18.039 |
198.657 |
Deviation |
0.134 |
0.166 |
0.222 |
13.486 |
12.979 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
32.3 ± 2.3 |
360.6 ± 1.5 |
1.38 ± 0.03 |
VC |
69.8 ± 1.3 |
275.9 ± 3.4 |
1.38 ± 0.03 |
MX1 |
41.1 ± 1.3 |
364.2 ± 2.4 |
1.38 ± 0.03 |
MX2 |
44.8 ± 1.2 |
355.1 ± 2.6 |
1.38 ± 0.03 |
MX3 |
52.0 ± 1.2 |
329.7 ± 2.8 |
1.38 ± 0.03 |
RH08 |
31.2 ± 1.2 |
369.6 ± 1.9 |
1.38 ± 0.03 |
RH09 |
27.9 ± 1.2 |
371.9 ± 1.8 |
1.38 ± 0.03 |
RH10 |
27.9 ± 1.2 |
371.9 ± 7.4 |
1.38 ± 0.03 |
Average |
40.9 |
349.8 |
1.38 |
Median |
41.1 |
364.2 |
1.38 |
Deviation |
14.5 |
32.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
50.4 ± 0.9 |
23.7 ± 0.4 |
32.0 ± 0.9 |
44.0 ± 0.7 |
2.12 ± 0.05 |
1.14 ± 0.02 |
VC |
75.0 ± 0.9 |
8.7 ± 0.1 |
13.1 ± 0.4 |
49.2 ± 0.8 |
8.67 ± 0.21 |
1.52 ± 0.04 |
MX1 |
65.2 ± 0.9 |
20.4 ± 0.3 |
28.5 ± 0.8 |
45.6 ± 0.7 |
3.20 ± 0.07 |
1.43 ± 0.03 |
MX2 |
67.0 ± 0.9 |
18.9 ± 0.3 |
26.8 ± 0.8 |
46.3 ± 0.8 |
3.54 ± 0.08 |
1.45 ± 0.03 |
MX3 |
68.1 ± 0.9 |
16.1 ± 0.3 |
23.3 ± 0.7 |
47.3 ± 0.8 |
4.24 ± 0.10 |
1.44 ± 0.03 |
RH8 |
56.7 ± 0.9 |
24.1 ± 0.4 |
32.3 ± 0.9 |
43.8 ± 0.7 |
2.35 ± 0.05 |
1.30 ± 0.03 |
RH9 |
54.2 ± 0.9 |
25.3 ± 0.4 |
33.4 ± 1.0 |
43.1 ± 0.7 |
2.14 ± 0.05 |
1.26 ± 0.03 |
RH10 |
54.2 ± 0.9 |
25.3 ± 0.4 |
33.4 ± 1.0 |
43.1 ± 0.7 |
2.14 ± 0.05 |
1.26 ± 0.03 |
Average |
61.4 |
20.3 |
27.8 |
45.3 |
3.6 |
1.3 |
Median |
65.2 |
23.7 |
32.0 |
45.6 |
3.2 |
1.4 |
Deviation |
8.6 |
5.8 |
7.0 |
2.2 |
2.2 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
37.0 ± 0.8 |
25.7 ± 0.3 |
34.5 ± 1.2 |
47.6 ± 0.6 |
1.44 ± 0.04 |
0.78 ± 0.01 |
VC |
55.4 ± 0.7 |
9.4 ± 0.1 |
14.1 ± 0.5 |
53.3 ± 0.6 |
5.91 ± 0.08 |
1.04 ± 0.02 |
MX1 |
48.0 ± 0.3 |
22.1 ± 0.2 |
30.8 ± 1.1 |
49.4 ± 0.6 |
2.17 ± 0.02 |
0.97 ± 0.01 |
MX2 |
49.4 ± 0.2 |
20.5 ± 0.2 |
29.0 ± 1.0 |
50.1 ± 0.6 |
2.41 ± 0.01 |
0.99 ± 0.01 |
MX3 |
50.0 ± 0.3 |
17.4 ± 0.2 |
25.1 ± 0.9 |
51.2 ± 0.6 |
2.88 ± 0.01 |
0.98 ± 0.01 |
RH8 |
41.6 ± 0.6 |
26.1 ± 0.3 |
34.9 ± 1.2 |
47.4 ± 0.6 |
1.59 ± 0.03 |
0.88 ± 0.00 |
RH9 |
39.8 ± 0.7 |
27.4 ± 0.3 |
36.1 ± 1.3 |
46.6 ± 0.7 |
1.45 ± 0.03 |
0.85 ± 0.00 |
RH10 |
39.8 ± 0.7 |
27.4 ± 0.3 |
36.1 ± 1.3 |
46.6 ± 0.7 |
1.45 ± 0.03 |
0.85 ± 0.00 |
Average |
45.1 |
22.0 |
30.1 |
49.0 |
2.4 |
0.9 |
Median |
48.0 |
25.7 |
34.5 |
49.4 |
2.2 |
1.0 |
Deviation |
6.4 |
6.2 |
7.5 |
2.4 |
1.5 |
0.1 |
Survey interval (About, Top)
Selected
data (About, Top)
Key plasma parameters
|
Velocity
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Magnetic Field
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Simple
Methods
(About, Top)
Rankine Chi^2
Contour (About, Top)
Shock
Speed (About, Top)
Theta Bn (About, Top)
Mach Numbers (About, Top)
Page updated Wed Jan 22 21:47:00 2020
Michael L Stevens
(mstevens@cfa.harvard.edu)
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