Database: Wind Shock Analysis
Event ID: 19971350115
Observation time: 05/15/1997 135.05234 0115 [UT]
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General
Information (About, Top)
Year |
1997 |
Fractional day of year |
135.052344 |
Arrival time of shock [seconds of day] |
4522.5 ± 3.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
190.824 |
Y GSE location of spacecraft [Re] |
3.330 |
Z GSE location of spacecraft [Re] |
17.567 |
Upstream plasma points selected for analysis |
0010 |
Upstream field points selected for analysis |
0276 |
Downstream plasma points selected for analysis |
0009
|
Downstream field points selected for analysis |
0260 |
Minimum chisq/dof for RH8,RH9,RH10 |
6.97, 41.24, 49.42 |
Event added to database
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Mon Feb 14 11:04:38 2005
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Event last processed
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Mon Mar 30 16:56:07 2009
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Method selected
|
RH08
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Propagation delay to Earth [minutes]
|
40.952 ± 1.259
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-317.3 ± 1.7 |
-388.6 ± 3.0 |
Vy GSE [km/s] |
-17.7 ± 1.4 |
-50.1 ± 2.4 |
Vz GSE [km/s] |
-26.7 ± 3.3 |
-42.0 ± 3.9 |
Wi [km/s] |
22.5 ± 0.5 |
30.3 ± 2.2 |
We [km/s] |
712.0 ± 14.8 |
957.1 ± 69.0 |
Ni [n/cc] |
18.6 ± 0.4 |
40.3 ± 2.6 |
Bx GSE [nT] |
-2.8 ± 0.3 |
-6.4 ± 1.1 |
By GSE [nT] |
6.4 ± 0.2 |
16.0 ± 0.5 |
Bz GSE [nT] |
-2.1 ± 0.3 |
-6.4 ± 2.6 |
Plasma Beta
|
0.375 ± 0.377
|
0.228 ± 0.231
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Sound Speed [km/s]
|
29.07 ± 0.61
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39.07 ± 2.82
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Alfven Speed [km/s]
|
36.85 ± 1.28
|
63.98 ± 3.50
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.946 ± 0.294 |
-0.049 ± 0.785 |
0.321 ± 0.310 |
18.75 ± 52.04 |
183.00 ± 47.53 |
VC |
-0.893 ± 0.021 |
-0.406 ± 0.040 |
-0.192 ± 0.190 |
-11.08 ± 3.58 |
204.46 ± 2.56 |
MX1 |
-0.893 ± 0.025 |
-0.408 ± 0.051 |
-0.191 ± 0.189 |
-11.04 ± 3.47 |
204.53 ± 3.23 |
MX2 |
-0.893 ± 0.024 |
-0.408 ± 0.048 |
-0.192 ± 0.190 |
-11.08 ± 3.37 |
204.56 ± 3.09 |
MX3 |
-0.892 ± 0.024 |
-0.408 ± 0.047 |
-0.193 ± 0.190 |
-11.10 ± 3.33 |
204.58 ± 3.01 |
RH08 |
-0.918 ± 0.004 |
-0.363 ± 0.009 |
-0.162 ± 0.161 |
-9.32 ± 0.68 |
201.56 ± 0.55 |
RH09 |
-0.802 ± 0.042 |
0.007 ± 0.066 |
0.598 ± 0.514 |
36.71 ± 4.03 |
179.50 ± 4.73 |
RH10 |
-0.847 ± 0.037 |
-0.022 ± 0.071 |
0.531 ± 0.474 |
32.05 ± 4.01 |
181.50 ± 4.78 |
Average |
-0.885 |
-0.257 |
0.065 |
4.238 |
195.462 |
Median |
-0.893 |
-0.363 |
-0.162 |
-9.324 |
204.461 |
Deviation |
0.044 |
0.196 |
0.355 |
21.249 |
11.781 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
76.8 ± 2.3 |
408.2 ± 11.7 |
2.17 ± 0.13 |
VC |
87.6 ± 2.2 |
443.4 ± 11.3 |
2.17 ± 0.13 |
MX1 |
87.6 ± 2.2 |
443.3 ± 11.3 |
2.17 ± 0.13 |
MX2 |
87.7 ± 2.2 |
443.2 ± 11.3 |
2.17 ± 0.13 |
MX3 |
87.7 ± 2.2 |
443.2 ± 11.3 |
2.17 ± 0.13 |
RH08 |
85.3 ± 2.2 |
449.0 ± 11.5 |
2.17 ± 0.13 |
RH09 |
81.8 ± 2.4 |
325.6 ± 10.7 |
2.17 ± 0.13 |
RH10 |
81.2 ± 2.3 |
351.5 ± 11.0 |
2.17 ± 0.13 |
Average |
84.5 |
413.4 |
2.17 |
Median |
87.6 |
443.2 |
2.17 |
Deviation |
4.1 |
48.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
115.9 ± 2.5 |
5.2 ± 0.1 |
8.4 ± 0.3 |
46.7 ± 0.9 |
22.17 ± 0.67 |
2.48 ± 0.08 |
VC |
147.6 ± 0.7 |
1.0 ± 0.0 |
1.6 ± 0.1 |
46.9 ± 0.9 |
151.97 ± 2.24 |
3.15 ± 0.07 |
MX1 |
147.6 ± 0.7 |
0.9 ± 0.0 |
1.5 ± 0.1 |
46.9 ± 0.9 |
157.10 ± 2.32 |
3.15 ± 0.07 |
MX2 |
147.6 ± 0.7 |
0.9 ± 0.0 |
1.5 ± 0.1 |
46.9 ± 0.9 |
158.27 ± 2.33 |
3.15 ± 0.07 |
MX3 |
147.6 ± 0.7 |
0.9 ± 0.0 |
1.5 ± 0.1 |
46.9 ± 0.9 |
159.02 ± 2.34 |
3.15 ± 0.07 |
RH8 |
147.0 ± 0.8 |
1.9 ± 0.0 |
3.0 ± 0.1 |
46.9 ± 0.9 |
78.89 ± 1.23 |
3.14 ± 0.07 |
RH9 |
87.3 ± 3.2 |
3.3 ± 0.0 |
5.3 ± 0.2 |
46.8 ± 0.9 |
26.78 ± 1.19 |
1.86 ± 0.08 |
RH10 |
96.4 ± 3.0 |
3.5 ± 0.1 |
5.7 ± 0.2 |
46.8 ± 0.9 |
27.41 ± 1.08 |
2.06 ± 0.08 |
Average |
129.6 |
2.2 |
3.6 |
46.9 |
97.7 |
2.8 |
Median |
147.6 |
1.9 |
3.0 |
46.9 |
152.0 |
3.1 |
Deviation |
25.9 |
1.6 |
2.6 |
0.1 |
65.4 |
0.5 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
51.8 ± 3.4 |
7.6 ± 0.4 |
14.6 ± 0.8 |
74.7 ± 2.5 |
6.81 ± 0.36 |
0.69 ± 0.06 |
VC |
67.9 ± 2.1 |
1.4 ± 0.1 |
2.7 ± 0.1 |
75.0 ± 2.5 |
48.05 ± 2.77 |
0.91 ± 0.05 |
MX1 |
67.9 ± 2.1 |
1.4 ± 0.1 |
2.6 ± 0.1 |
75.0 ± 2.5 |
49.67 ± 2.86 |
0.91 ± 0.05 |
MX2 |
67.9 ± 2.1 |
1.4 ± 0.1 |
2.6 ± 0.1 |
75.0 ± 2.5 |
50.05 ± 2.88 |
0.91 ± 0.05 |
MX3 |
67.9 ± 2.1 |
1.4 ± 0.1 |
2.6 ± 0.1 |
75.0 ± 2.5 |
50.29 ± 2.90 |
0.91 ± 0.05 |
RH8 |
67.4 ± 2.2 |
2.7 ± 0.1 |
5.2 ± 0.3 |
75.0 ± 2.5 |
24.88 ± 1.40 |
0.90 ± 0.05 |
RH9 |
39.5 ± 3.9 |
4.7 ± 0.2 |
9.1 ± 0.5 |
74.9 ± 2.5 |
8.32 ± 0.61 |
0.53 ± 0.06 |
RH10 |
43.4 ± 3.7 |
5.1 ± 0.2 |
9.8 ± 0.5 |
74.9 ± 2.5 |
8.47 ± 0.55 |
0.58 ± 0.06 |
Average |
59.2 |
3.2 |
6.2 |
74.9 |
30.8 |
0.8 |
Median |
67.9 |
2.7 |
5.2 |
75.0 |
48.1 |
0.9 |
Deviation |
12.3 |
2.4 |
4.5 |
0.1 |
20.8 |
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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