Database: Wind Shock Analysis
Event ID: 20153650017
Observation time: 12/31/2015 365.01245 0017 [UT]
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General
Information (About, Top)
Year |
2015 |
Fractional day of year |
365.012448 |
Arrival time of shock [seconds of day] |
1075.5 ± 20.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
194.350 |
Y GSE location of spacecraft [Re] |
13.417 |
Z GSE location of spacecraft [Re] |
-13.098 |
Upstream plasma points selected for analysis |
0007 |
Upstream field points selected for analysis |
0235 |
Downstream plasma points selected for analysis |
0004
|
Downstream field points selected for analysis |
0264 |
Minimum chisq/dof for RH8,RH9,RH10 |
8.76, 18.34, 20.30 |
Event added to database
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Thu Apr 28 09:52:14 2016
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Event last processed
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Tue May 17 17:29:04 2016
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Method selected
|
RH08
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Propagation delay to Earth [minutes]
|
55.799 ± 6.074
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-337.2 ± 5.0 |
-398.1 ± 4.7 |
Vy GSE [km/s] |
-17.5 ± 3.9 |
-25.6 ± 5.5 |
Vz GSE [km/s] |
-17.7 ± 8.5 |
-95.8 ± 6.8 |
Wi [km/s] |
22.8 ± 5.0 |
46.2 ± 6.7 |
We [km/s] |
721.7 ± 157.0 |
1462.3 ± 211.9 |
Ni [n/cc] |
6.9 ± 1.2 |
16.2 ± 2.6 |
Bx GSE [nT] |
-3.5 ± 0.3 |
-5.9 ± 1.1 |
By GSE [nT] |
3.4 ± 0.2 |
10.5 ± 0.6 |
Bz GSE [nT] |
-1.2 ± 0.7 |
2.2 ± 2.1 |
Plasma Beta
|
0.320 ± 0.211
|
0.501 ± 0.592
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Sound Speed [km/s]
|
29.46 ± 6.41
|
59.70 ± 8.65
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Alfven Speed [km/s]
|
42.49 ± 3.83
|
68.22 ± 13.52
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.733 ± 0.153 |
0.144 ± 0.203 |
-0.665 ± 0.543 |
-41.66 ± 12.99 |
168.86 ± 15.68 |
VC |
-0.617 ± 0.061 |
-0.084 ± 0.064 |
-0.782 ± 0.560 |
-51.46 ± 4.48 |
187.77 ± 5.85 |
MX1 |
-0.692 ± 0.037 |
0.106 ± 0.117 |
-0.714 ± 0.557 |
-45.56 ± 2.67 |
171.27 ± 9.64 |
MX2 |
-0.700 ± 0.041 |
0.095 ± 0.104 |
-0.708 ± 0.556 |
-45.06 ± 3.12 |
172.30 ± 8.51 |
MX3 |
-0.703 ± 0.044 |
0.090 ± 0.101 |
-0.705 ± 0.555 |
-44.86 ± 3.45 |
172.68 ± 8.19 |
RH08 |
-0.769 ± 0.010 |
-0.473 ± 0.012 |
0.430 ± 0.401 |
25.48 ± 1.10 |
211.59 ± 0.82 |
RH09 |
-0.826 ± 0.040 |
-0.450 ± 0.063 |
0.341 ± 0.327 |
19.92 ± 4.02 |
208.58 ± 4.29 |
RH10 |
-0.818 ± 0.040 |
-0.446 ± 0.063 |
0.363 ± 0.346 |
21.29 ± 4.04 |
208.58 ± 4.30 |
Average |
-0.732 |
-0.127 |
-0.305 |
-20.238 |
187.705 |
Median |
-0.703 |
0.090 |
-0.665 |
-41.660 |
187.774 |
Deviation |
0.070 |
0.281 |
0.567 |
35.305 |
19.011 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
40.5 ± 6.0 |
424.0 ± 8.6 |
2.56 ± 0.63 |
VC |
56.3 ± 6.2 |
400.6 ± 8.9 |
2.56 ± 0.63 |
MX1 |
44.0 ± 6.3 |
415.1 ± 8.8 |
2.56 ± 0.63 |
MX2 |
44.4 ± 6.2 |
418.2 ± 8.7 |
2.56 ± 0.63 |
MX3 |
44.5 ± 6.1 |
419.4 ± 8.7 |
2.56 ± 0.63 |
RH08 |
84.3 ± 5.4 |
290.5 ± 1.2 |
2.56 ± 0.63 |
RH09 |
79.9 ± 5.0 |
330.4 ± 1.6 |
2.56 ± 0.63 |
RH10 |
80.3 ± 5.1 |
323.5 ± 7.5 |
2.56 ± 0.63 |
Average |
59.3 |
377.7 |
2.56 |
Median |
56.3 |
415.1 |
2.56 |
Deviation |
19.0 |
53.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
167.5 ± 5.4 |
19.5 ± 2.7 |
32.3 ± 2.9 |
48.3 ± 2.5 |
8.75 ± 1.16 |
3.48 ± 0.25 |
VC |
177.1 ± 6.9 |
13.6 ± 1.8 |
23.6 ± 2.1 |
50.3 ± 2.6 |
13.18 ± 1.58 |
3.53 ± 0.27 |
MX1 |
170.9 ± 5.8 |
18.2 ± 2.5 |
30.5 ± 2.7 |
48.8 ± 2.6 |
9.53 ± 1.22 |
3.51 ± 0.25 |
MX2 |
171.3 ± 5.8 |
18.1 ± 2.5 |
30.4 ± 2.7 |
48.8 ± 2.6 |
9.62 ± 1.23 |
3.52 ± 0.25 |
MX3 |
171.4 ± 5.8 |
18.0 ± 2.5 |
30.3 ± 2.7 |
48.8 ± 2.6 |
9.65 ± 1.24 |
3.52 ± 0.25 |
RH8 |
30.5 ± 4.9 |
2.4 ± 0.3 |
4.3 ± 0.4 |
52.0 ± 2.8 |
13.10 ± 2.94 |
0.59 ± 0.09 |
RH9 |
50.2 ± 4.8 |
4.2 ± 0.5 |
7.5 ± 0.7 |
51.9 ± 2.8 |
12.20 ± 2.09 |
0.97 ± 0.09 |
RH10 |
46.3 ± 4.9 |
4.0 ± 0.5 |
7.1 ± 0.6 |
51.9 ± 2.8 |
11.77 ± 2.10 |
0.89 ± 0.09 |
Average |
123.2 |
12.2 |
20.7 |
50.1 |
11.0 |
2.5 |
Median |
170.9 |
18.0 |
30.3 |
50.3 |
11.8 |
3.5 |
Deviation |
67.2 |
7.4 |
12.3 |
1.6 |
1.8 |
1.4 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
72.2 ± 7.7 |
36.8 ± 3.7 |
51.9 ± 10.3 |
83.4 ± 11.4 |
1.99 ± 0.40 |
0.89 ± 0.21 |
VC |
77.7 ± 6.8 |
25.5 ± 2.6 |
37.8 ± 7.5 |
87.5 ± 11.5 |
3.09 ± 0.57 |
0.91 ± 0.20 |
MX1 |
73.9 ± 7.6 |
34.3 ± 3.4 |
49.0 ± 9.7 |
84.4 ± 11.4 |
2.19 ± 0.43 |
0.90 ± 0.21 |
MX2 |
74.2 ± 7.6 |
34.1 ± 3.4 |
48.8 ± 9.7 |
84.5 ± 11.4 |
2.21 ± 0.44 |
0.90 ± 0.21 |
MX3 |
74.3 ± 7.5 |
34.0 ± 3.4 |
48.7 ± 9.6 |
84.6 ± 11.4 |
2.22 ± 0.44 |
0.90 ± 0.21 |
RH8 |
13.4 ± 4.4 |
4.4 ± 0.5 |
6.8 ± 1.4 |
91.0 ± 11.6 |
3.01 ± 0.95 |
0.15 ± 0.05 |
RH9 |
22.8 ± 4.0 |
7.8 ± 0.8 |
12.0 ± 2.4 |
90.8 ± 11.6 |
2.93 ± 0.51 |
0.25 ± 0.05 |
RH10 |
21.1 ± 4.0 |
7.5 ± 0.8 |
11.5 ± 2.3 |
90.8 ± 11.6 |
2.84 ± 0.53 |
0.23 ± 0.04 |
Average |
53.7 |
23.0 |
33.3 |
87.1 |
2.6 |
0.6 |
Median |
73.9 |
34.0 |
48.7 |
87.5 |
2.8 |
0.9 |
Deviation |
28.8 |
14.1 |
19.7 |
3.3 |
0.4 |
0.4 |
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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