Database: Wind Shock Analysis
Event ID: 19973340715
Observation time: 11/30/1997 334.30259 0715 [UT]
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General
Information (About, Top)
Year |
1997 |
Fractional day of year |
334.302587 |
Arrival time of shock [seconds of day] |
26143.5 ± 3.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
195.673 |
Y GSE location of spacecraft [Re] |
-3.157 |
Z GSE location of spacecraft [Re] |
27.507 |
Upstream plasma points selected for analysis |
0009 |
Upstream field points selected for analysis |
0284 |
Downstream plasma points selected for analysis |
0009
|
Downstream field points selected for analysis |
0287 |
Minimum chisq/dof for RH8,RH9,RH10 |
3.92, 15.67, 16.68 |
Event added to database
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Mon Feb 14 11:05:30 2005
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Event last processed
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Mon Mar 30 17:18:58 2009
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Method selected
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RH08
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Propagation delay to Earth [minutes]
|
52.013 ± 4.899
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-297.5 ± 0.7 |
-325.1 ± 2.8 |
Vy GSE [km/s] |
-34.4 ± 1.0 |
-44.8 ± 1.4 |
Vz GSE [km/s] |
1.3 ± 1.8 |
12.7 ± 2.4 |
Wi [km/s] |
15.2 ± 0.2 |
21.0 ± 0.8 |
We [km/s] |
480.4 ± 6.2 |
663.9 ± 24.1 |
Ni [n/cc] |
19.2 ± 0.5 |
33.6 ± 2.0 |
Bx GSE [nT] |
3.3 ± 0.1 |
4.5 ± 0.4 |
By GSE [nT] |
-2.8 ± 0.2 |
-7.5 ± 0.7 |
Bz GSE [nT] |
-2.1 ± 0.3 |
-2.1 ± 1.4 |
Plasma Beta
|
0.406 ± 0.398
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0.377 ± 0.356
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Sound Speed [km/s]
|
19.61 ± 0.25
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27.10 ± 0.98
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Alfven Speed [km/s]
|
23.87 ± 0.47
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34.37 ± 1.41
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.791 ± 0.174 |
-0.119 ± 0.163 |
0.600 ± 0.515 |
36.84 ± 16.68 |
188.52 ± 11.68 |
VC |
-0.872 ± 0.042 |
-0.334 ± 0.068 |
0.359 ± 0.343 |
21.03 ± 5.67 |
200.95 ± 4.36 |
MX1 |
-0.891 ± 0.044 |
-0.242 ± 0.080 |
0.384 ± 0.364 |
22.60 ± 5.91 |
195.21 ± 5.07 |
MX2 |
-0.896 ± 0.040 |
-0.251 ± 0.075 |
0.366 ± 0.348 |
21.45 ± 5.57 |
195.63 ± 4.77 |
MX3 |
-0.900 ± 0.039 |
-0.256 ± 0.074 |
0.353 ± 0.338 |
20.69 ± 5.46 |
195.89 ± 4.67 |
RH08 |
-0.949 ± 0.004 |
-0.176 ± 0.014 |
0.263 ± 0.256 |
15.22 ± 0.74 |
190.53 ± 0.83 |
RH09 |
-0.913 ± 0.028 |
-0.186 ± 0.066 |
-0.363 ± 0.346 |
-21.29 ± 4.02 |
191.53 ± 4.12 |
RH10 |
-0.921 ± 0.027 |
-0.188 ± 0.069 |
-0.341 ± 0.327 |
-19.92 ± 4.00 |
191.53 ± 4.29 |
Average |
-0.892 |
-0.219 |
0.203 |
12.077 |
193.723 |
Median |
-0.896 |
-0.188 |
0.359 |
21.027 |
195.213 |
Deviation |
0.046 |
0.065 |
0.355 |
21.091 |
3.957 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
43.2 ± 2.8 |
309.7 ± 5.7 |
1.75 ± 0.09 |
VC |
56.5 ± 2.3 |
344.2 ± 5.2 |
1.75 ± 0.09 |
MX1 |
51.0 ± 2.3 |
346.6 ± 5.1 |
1.75 ± 0.09 |
MX2 |
51.6 ± 2.3 |
348.6 ± 5.0 |
1.75 ± 0.09 |
MX3 |
52.1 ± 2.3 |
349.9 ± 5.0 |
1.75 ± 0.09 |
RH08 |
49.1 ± 2.1 |
360.6 ± 4.4 |
1.75 ± 0.09 |
RH09 |
69.2 ± 2.2 |
331.4 ± 4.3 |
1.75 ± 0.09 |
RH10 |
68.4 ± 2.2 |
335.1 ± 4.3 |
1.75 ± 0.09 |
Average |
55.1 |
340.8 |
1.75 |
Median |
52.1 |
346.6 |
1.75 |
Deviation |
9.2 |
15.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
69.4 ± 1.6 |
12.0 ± 0.1 |
17.4 ± 0.3 |
28.5 ± 0.4 |
5.80 ± 0.14 |
2.44 ± 0.07 |
VC |
73.0 ± 1.4 |
8.7 ± 0.1 |
13.2 ± 0.3 |
29.6 ± 0.4 |
8.37 ± 0.19 |
2.46 ± 0.06 |
MX1 |
72.7 ± 1.4 |
10.1 ± 0.1 |
15.0 ± 0.3 |
29.2 ± 0.4 |
7.20 ± 0.16 |
2.49 ± 0.06 |
MX2 |
72.9 ± 1.3 |
9.9 ± 0.1 |
14.8 ± 0.3 |
29.3 ± 0.4 |
7.34 ± 0.16 |
2.49 ± 0.06 |
MX3 |
73.0 ± 1.3 |
9.8 ± 0.1 |
14.7 ± 0.3 |
29.3 ± 0.4 |
7.44 ± 0.16 |
2.49 ± 0.06 |
RH8 |
71.9 ± 1.2 |
10.6 ± 0.1 |
15.6 ± 0.3 |
29.0 ± 0.4 |
6.81 ± 0.13 |
2.48 ± 0.05 |
RH9 |
53.9 ± 0.7 |
5.5 ± 0.1 |
8.5 ± 0.2 |
30.4 ± 0.4 |
9.87 ± 0.17 |
1.77 ± 0.04 |
RH10 |
55.0 ± 0.7 |
5.7 ± 0.1 |
8.8 ± 0.2 |
30.4 ± 0.4 |
9.68 ± 0.16 |
1.81 ± 0.04 |
Average |
67.7 |
9.0 |
13.5 |
29.5 |
7.8 |
2.3 |
Median |
72.7 |
9.9 |
14.8 |
29.3 |
7.4 |
2.5 |
Deviation |
8.3 |
2.3 |
3.2 |
0.7 |
1.4 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
39.5 ± 1.1 |
16.8 ± 0.2 |
25.0 ± 1.0 |
40.5 ± 0.7 |
2.36 ± 0.06 |
0.98 ± 0.03 |
VC |
41.3 ± 1.4 |
12.2 ± 0.1 |
19.0 ± 0.8 |
42.1 ± 0.6 |
3.38 ± 0.10 |
0.98 ± 0.04 |
MX1 |
41.3 ± 1.5 |
14.1 ± 0.2 |
21.7 ± 0.9 |
41.4 ± 0.7 |
2.92 ± 0.09 |
1.00 ± 0.04 |
MX2 |
41.4 ± 1.5 |
13.9 ± 0.2 |
21.3 ± 0.9 |
41.5 ± 0.7 |
2.97 ± 0.10 |
1.00 ± 0.04 |
MX3 |
41.5 ± 1.6 |
13.7 ± 0.2 |
21.1 ± 0.9 |
41.6 ± 0.7 |
3.02 ± 0.10 |
1.00 ± 0.04 |
RH8 |
40.9 ± 1.9 |
14.8 ± 0.2 |
22.5 ± 0.9 |
41.2 ± 0.7 |
2.77 ± 0.12 |
0.99 ± 0.05 |
RH9 |
30.8 ± 3.1 |
7.6 ± 0.1 |
12.2 ± 0.5 |
43.1 ± 0.6 |
4.03 ± 0.39 |
0.72 ± 0.08 |
RH10 |
31.5 ± 3.1 |
8.0 ± 0.1 |
12.7 ± 0.5 |
43.1 ± 0.6 |
3.95 ± 0.37 |
0.73 ± 0.08 |
Average |
38.5 |
12.6 |
19.4 |
41.8 |
3.2 |
0.9 |
Median |
41.3 |
13.9 |
21.3 |
41.6 |
3.0 |
1.0 |
Deviation |
4.6 |
3.2 |
4.6 |
0.9 |
0.6 |
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 Fri Jun 13 11:06:02 2014
Michael L Stevens
(mstevens@cfa.harvard.edu)
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