Database: Wind Shock Analysis
Event ID: 19990690133
Observation time: 03/10/1999 69.06460 0133 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
1999 |
Fractional day of year |
69.064601 |
Arrival time of shock [seconds of day] |
5581.5 ± 3.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
-8.254 |
Y GSE location of spacecraft [Re] |
-33.909 |
Z GSE location of spacecraft [Re] |
-22.358 |
Upstream plasma points selected for analysis |
0008 |
Upstream field points selected for analysis |
0251 |
Downstream plasma points selected for analysis |
0007
|
Downstream field points selected for analysis |
0215 |
Minimum chisq/dof for RH8,RH9,RH10 |
6.36, 13.48, 13.83 |
Event added to database
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Mon Feb 14 11:07:49 2005
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Event last processed
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Mon Mar 30 18:34:17 2009
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Method selected
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RH08
|
Propagation delay to Earth [minutes]
|
-1.675 ± 0.372
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-411.6 ± 1.7 |
-456.9 ± 4.8 |
Vy GSE [km/s] |
-6.2 ± 2.8 |
-11.3 ± 4.2 |
Vz GSE [km/s] |
-23.3 ± 2.0 |
-15.2 ± 3.2 |
Wi [km/s] |
35.0 ± 0.8 |
44.8 ± 1.4 |
We [km/s] |
1107.6 ± 26.3 |
1415.2 ± 45.2 |
Ni [n/cc] |
7.2 ± 0.2 |
13.0 ± 0.7 |
Bx GSE [nT] |
-0.6 ± 0.4 |
-2.0 ± 1.0 |
By GSE [nT] |
-2.5 ± 0.4 |
-4.7 ± 1.9 |
Bz GSE [nT] |
-3.6 ± 0.3 |
-6.1 ± 1.0 |
Plasma Beta
|
0.941 ± 0.938
|
0.807 ± 0.792
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Sound Speed [km/s]
|
45.22 ± 1.07
|
57.77 ± 1.85
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Alfven Speed [km/s]
|
36.16 ± 0.92
|
50.10 ± 2.55
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.929 ± 0.324 |
0.308 ± 0.852 |
0.207 ± 0.204 |
11.94 ± 46.59 |
161.65 ± 52.49 |
VC |
-0.979 ± 0.016 |
-0.110 ± 0.099 |
0.172 ± 0.170 |
9.91 ± 4.05 |
186.40 ± 5.79 |
MX1 |
-0.880 ± 0.098 |
0.110 ± 0.175 |
0.461 ± 0.425 |
27.47 ± 11.99 |
172.85 ± 11.36 |
MX2 |
-0.902 ± 0.084 |
0.067 ± 0.109 |
0.425 ± 0.398 |
25.18 ± 11.23 |
175.76 ± 6.94 |
MX3 |
-0.920 ± 0.075 |
0.037 ± 0.145 |
0.389 ± 0.368 |
22.91 ± 11.01 |
177.72 ± 9.03 |
RH08 |
-0.996 ± 0.001 |
-0.044 ± 0.014 |
0.073 ± 0.072 |
4.16 ± 0.87 |
182.51 ± 0.82 |
RH09 |
-0.988 ± 0.011 |
0.113 ± 0.069 |
0.106 ± 0.106 |
6.09 ± 4.02 |
173.48 ± 4.03 |
RH10 |
-0.988 ± 0.011 |
0.113 ± 0.069 |
0.106 ± 0.106 |
6.09 ± 4.02 |
173.48 ± 4.03 |
Average |
-0.948 |
0.074 |
0.242 |
14.219 |
175.482 |
Median |
-0.929 |
0.110 |
0.207 |
11.936 |
175.764 |
Deviation |
0.045 |
0.124 |
0.158 |
9.473 |
7.368 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
77.1 ± 5.0 |
467.3 ± 14.2 |
1.81 ± 0.07 |
VC |
87.4 ± 6.3 |
501.9 ± 15.9 |
1.81 ± 0.07 |
MX1 |
71.0 ± 6.3 |
445.7 ± 15.2 |
1.81 ± 0.07 |
MX2 |
74.4 ± 6.3 |
458.1 ± 15.5 |
1.81 ± 0.07 |
MX3 |
77.3 ± 6.3 |
468.2 ± 15.6 |
1.81 ± 0.07 |
RH08 |
84.7 ± 5.9 |
509.3 ± 15.4 |
1.81 ± 0.07 |
RH09 |
88.6 ± 5.5 |
500.6 ± 15.0 |
1.81 ± 0.07 |
RH10 |
88.6 ± 5.5 |
500.6 ± 15.0 |
1.81 ± 0.07 |
Average |
81.1 |
481.4 |
1.81 |
Median |
84.7 |
500.6 |
1.81 |
Deviation |
7.0 |
24.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
91.8 ± 1.4 |
6.3 ± 0.1 |
8.1 ± 0.2 |
57.6 ± 0.9 |
14.52 ± 0.33 |
1.60 ± 0.03 |
VC |
102.3 ± 1.9 |
1.3 ± 0.0 |
1.7 ± 0.0 |
57.9 ± 0.9 |
79.29 ± 1.71 |
1.77 ± 0.03 |
MX1 |
94.8 ± 1.6 |
9.3 ± 0.2 |
11.8 ± 0.3 |
57.2 ± 0.9 |
10.19 ± 0.21 |
1.66 ± 0.02 |
MX2 |
97.0 ± 1.7 |
7.7 ± 0.1 |
9.7 ± 0.2 |
57.4 ± 0.9 |
12.67 ± 0.26 |
1.69 ± 0.03 |
MX3 |
98.7 ± 1.7 |
6.3 ± 0.1 |
8.0 ± 0.2 |
57.6 ± 0.9 |
15.78 ± 0.33 |
1.71 ± 0.03 |
RH8 |
100.7 ± 1.7 |
2.6 ± 0.0 |
3.3 ± 0.1 |
57.9 ± 0.9 |
38.93 ± 0.85 |
1.74 ± 0.03 |
RH9 |
97.1 ± 1.6 |
0.7 ± 0.0 |
0.9 ± 0.0 |
57.9 ± 0.9 |
141.14 ± 3.11 |
1.68 ± 0.03 |
RH10 |
97.1 ± 1.6 |
0.7 ± 0.0 |
0.9 ± 0.0 |
57.9 ± 0.9 |
141.14 ± 3.11 |
1.68 ± 0.03 |
Average |
97.4 |
4.3 |
5.5 |
57.7 |
56.7 |
1.7 |
Median |
97.1 |
6.3 |
8.0 |
57.9 |
38.9 |
1.7 |
Deviation |
3.3 |
3.4 |
4.3 |
0.3 |
56.9 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
49.6 ± 4.8 |
8.5 ± 0.2 |
11.2 ± 0.6 |
76.0 ± 1.3 |
5.86 ± 0.63 |
0.65 ± 0.07 |
VC |
56.0 ± 4.9 |
1.7 ± 0.0 |
2.3 ± 0.1 |
76.5 ± 1.3 |
32.45 ± 3.27 |
0.73 ± 0.07 |
MX1 |
51.7 ± 4.8 |
12.4 ± 0.3 |
16.3 ± 0.8 |
75.5 ± 1.3 |
4.16 ± 0.44 |
0.68 ± 0.07 |
MX2 |
53.0 ± 4.8 |
10.2 ± 0.2 |
13.5 ± 0.7 |
75.8 ± 1.3 |
5.17 ± 0.54 |
0.70 ± 0.07 |
MX3 |
54.0 ± 4.9 |
8.4 ± 0.2 |
11.0 ± 0.6 |
76.1 ± 1.3 |
6.45 ± 0.67 |
0.71 ± 0.07 |
RH8 |
54.7 ± 4.8 |
3.5 ± 0.1 |
4.6 ± 0.2 |
76.4 ± 1.3 |
15.81 ± 1.59 |
0.72 ± 0.07 |
RH9 |
52.1 ± 4.9 |
0.9 ± 0.0 |
1.2 ± 0.1 |
76.5 ± 1.3 |
56.56 ± 5.92 |
0.68 ± 0.07 |
RH10 |
52.1 ± 4.9 |
0.9 ± 0.0 |
1.2 ± 0.1 |
76.5 ± 1.3 |
56.56 ± 5.92 |
0.68 ± 0.07 |
Average |
52.9 |
5.8 |
7.7 |
76.2 |
22.9 |
0.7 |
Median |
53.0 |
8.4 |
11.0 |
76.4 |
15.8 |
0.7 |
Deviation |
2.0 |
4.6 |
6.0 |
0.4 |
22.8 |
0.0 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00132.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00132.png)
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Velocity
![V](wi_selv_00132.png)
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Magnetic Field
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Simple
Methods
(About, Top)
Rankine Chi^2
Contour (About, Top)
Shock
Speed (About, Top)
![Shock Speed](wi_shockspeed_00132.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00132.png)
Mach Numbers (About, Top)
Page updated Fri Jun 13 11:06:02 2014
Michael L Stevens
(mstevens@cfa.harvard.edu)
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