Database: Wind Shock Analysis
Event ID: 20140581550
Observation time: 02/27/2014 58.65988 1550 [UT]
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General
Information (About, Top)
Year |
2014 |
Fractional day of year |
58.659878 |
Arrival time of shock [seconds of day] |
57013.5 ± 20.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
219.166 |
Y GSE location of spacecraft [Re] |
99.616 |
Z GSE location of spacecraft [Re] |
-0.544 |
Upstream plasma points selected for analysis |
0009 |
Upstream field points selected for analysis |
0269 |
Downstream plasma points selected for analysis |
0003
|
Downstream field points selected for analysis |
0104 |
Minimum chisq/dof for RH8,RH9,RH10 |
29.69, 95.87, 134.13 |
Event added to database
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Wed Jun 11 01:39:51 2014
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Event last processed
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Wed Jun 11 03:05:49 2014
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Method selected
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RH08
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Propagation delay to Earth [minutes]
|
53.880 ± 1.716
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-349.2 ± 0.7 |
-413.4 ± 4.1 |
Vy GSE [km/s] |
-22.8 ± 1.0 |
-74.0 ± 0.7 |
Vz GSE [km/s] |
4.0 ± 1.1 |
-8.0 ± 0.9 |
Wi [km/s] |
22.8 ± 0.4 |
36.3 ± 0.9 |
We [km/s] |
721.6 ± 12.3 |
1147.0 ± 30.0 |
Ni [n/cc] |
17.0 ± 0.9 |
42.3 ± 1.1 |
Bx GSE [nT] |
4.1 ± 0.3 |
8.5 ± 0.7 |
By GSE [nT] |
-3.7 ± 0.4 |
-11.8 ± 0.4 |
Bz GSE [nT] |
-1.7 ± 0.4 |
2.1 ± 2.2 |
Plasma Beta
|
0.558 ± 0.574
|
0.535 ± 0.507
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Sound Speed [km/s]
|
29.46 ± 0.50
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46.83 ± 1.23
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Alfven Speed [km/s]
|
30.63 ± 1.21
|
49.72 ± 1.90
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.570 ± 0.121 |
0.093 ± 0.186 |
0.816 ± 0.552 |
54.73 ± 8.34 |
170.72 ± 18.56 |
VC |
-0.773 ± 0.020 |
-0.618 ± 0.025 |
-0.145 ± 0.144 |
-8.32 ± 0.91 |
218.62 ± 1.86 |
MX1 |
-0.850 ± 0.030 |
-0.518 ± 0.049 |
-0.097 ± 0.096 |
-5.55 ± 1.88 |
211.38 ± 3.33 |
MX2 |
-0.829 ± 0.021 |
-0.537 ± 0.033 |
-0.156 ± 0.154 |
-8.96 ± 0.95 |
212.96 ± 2.25 |
MX3 |
-0.820 ± 0.019 |
-0.543 ± 0.028 |
-0.178 ± 0.176 |
-10.25 ± 1.26 |
213.52 ± 1.97 |
RH08 |
-0.881 ± 0.007 |
-0.441 ± 0.013 |
-0.173 ± 0.171 |
-9.97 ± 0.54 |
206.57 ± 0.84 |
RH09 |
-0.253 ± 0.066 |
-0.356 ± 0.062 |
-0.899 ± 0.489 |
-64.08 ± 3.69 |
234.65 ± 9.22 |
RH10 |
-0.627 ± 0.055 |
-0.061 ± 0.070 |
0.777 ± 0.560 |
50.94 ± 4.02 |
185.52 ± 6.38 |
Average |
-0.700 |
-0.373 |
-0.007 |
-0.183 |
206.742 |
Median |
-0.773 |
-0.441 |
-0.145 |
-8.325 |
212.963 |
Deviation |
0.212 |
0.255 |
0.560 |
37.952 |
19.908 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
45.1 ± 5.7 |
238.1 ± 0.7 |
2.47 ± 0.14 |
VC |
84.0 ± 4.1 |
421.8 ± 1.1 |
2.47 ± 0.14 |
MX1 |
76.4 ± 4.1 |
445.8 ± 1.1 |
2.47 ± 0.14 |
MX2 |
79.0 ± 3.9 |
439.1 ± 1.1 |
2.47 ± 0.14 |
MX3 |
79.9 ± 3.8 |
436.2 ± 1.1 |
2.47 ± 0.14 |
RH08 |
73.5 ± 3.7 |
453.3 ± 1.1 |
2.47 ± 0.14 |
RH09 |
71.4 ± 1.7 |
169.4 ± 0.5 |
2.47 ± 0.14 |
RH10 |
50.5 ± 6.0 |
281.6 ± 3.8 |
2.47 ± 0.14 |
Average |
70.0 |
360.7 |
2.47 |
Median |
76.4 |
436.2 |
2.47 |
Deviation |
14.3 |
112.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
38.0 ± 1.3 |
16.2 ± 0.3 |
21.6 ± 0.9 |
39.3 ± 0.9 |
2.35 ± 0.10 |
0.97 ± 0.04 |
VC |
138.4 ± 0.9 |
2.2 ± 0.0 |
3.2 ± 0.1 |
42.4 ± 0.9 |
62.73 ± 1.22 |
3.26 ± 0.07 |
MX1 |
137.6 ± 0.8 |
5.0 ± 0.1 |
7.2 ± 0.3 |
42.2 ± 0.9 |
27.32 ± 0.54 |
3.26 ± 0.07 |
MX2 |
138.0 ± 0.8 |
4.1 ± 0.1 |
5.9 ± 0.2 |
42.3 ± 0.9 |
33.90 ± 0.66 |
3.26 ± 0.07 |
MX3 |
138.0 ± 0.8 |
3.7 ± 0.1 |
5.3 ± 0.2 |
42.3 ± 0.9 |
37.11 ± 0.71 |
3.26 ± 0.07 |
RH8 |
136.3 ± 0.8 |
6.1 ± 0.1 |
8.7 ± 0.3 |
42.1 ± 0.9 |
22.36 ± 0.43 |
3.24 ± 0.07 |
RH9 |
76.6 ± 1.1 |
6.9 ± 0.1 |
9.8 ± 0.4 |
41.9 ± 0.9 |
11.15 ± 0.20 |
1.83 ± 0.04 |
RH10 |
58.1 ± 1.2 |
14.3 ± 0.3 |
19.5 ± 0.8 |
40.0 ± 0.9 |
4.06 ± 0.14 |
1.45 ± 0.05 |
Average |
107.6 |
7.3 |
10.1 |
41.6 |
25.1 |
2.6 |
Median |
137.6 |
6.1 |
8.7 |
42.2 |
27.3 |
3.3 |
Deviation |
42.7 |
5.1 |
6.8 |
1.2 |
20.0 |
1.0 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
16.0 ± 2.3 |
26.0 ± 0.4 |
35.1 ± 1.3 |
63.2 ± 1.2 |
0.61 ± 0.08 |
0.25 ± 0.03 |
VC |
55.4 ± 2.8 |
3.5 ± 0.1 |
5.2 ± 0.2 |
68.2 ± 1.2 |
15.63 ± 0.67 |
0.81 ± 0.03 |
MX1 |
55.4 ± 3.2 |
8.1 ± 0.1 |
11.7 ± 0.4 |
67.8 ± 1.2 |
6.84 ± 0.34 |
0.82 ± 0.04 |
MX2 |
55.4 ± 3.1 |
6.5 ± 0.1 |
9.5 ± 0.4 |
68.0 ± 1.2 |
8.47 ± 0.40 |
0.81 ± 0.04 |
MX3 |
55.4 ± 3.1 |
6.0 ± 0.1 |
8.7 ± 0.3 |
68.1 ± 1.2 |
9.27 ± 0.44 |
0.81 ± 0.04 |
RH8 |
55.1 ± 3.4 |
9.8 ± 0.2 |
14.1 ± 0.5 |
67.6 ± 1.2 |
5.63 ± 0.30 |
0.81 ± 0.04 |
RH9 |
31.3 ± 1.2 |
11.0 ± 0.2 |
15.9 ± 0.6 |
67.4 ± 1.2 |
2.84 ± 0.12 |
0.46 ± 0.02 |
RH10 |
24.1 ± 2.4 |
23.0 ± 0.4 |
31.6 ± 1.2 |
64.3 ± 1.2 |
1.05 ± 0.09 |
0.37 ± 0.03 |
Average |
43.5 |
11.7 |
16.5 |
66.8 |
6.3 |
0.6 |
Median |
55.4 |
9.8 |
14.1 |
67.8 |
6.8 |
0.8 |
Deviation |
16.8 |
8.2 |
11.0 |
1.9 |
5.0 |
0.2 |
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 Fri Jun 13 11:06:02 2014
Michael L Stevens
(mstevens@cfa.harvard.edu)
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