Database: Wind Shock Analysis
Event ID: 20021311030
Observation time: 05/11/2002 131.43783 1030 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
2002 |
Fractional day of year |
131.437830 |
Arrival time of shock [seconds of day] |
37828.5 ± 12.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
2.356 |
Y GSE location of spacecraft [Re] |
303.041 |
Z GSE location of spacecraft [Re] |
19.850 |
Upstream plasma points selected for analysis |
0007 |
Upstream field points selected for analysis |
0227 |
Downstream plasma points selected for analysis |
0007
|
Downstream field points selected for analysis |
0249 |
Minimum chisq/dof for RH8,RH9,RH10 |
5.43, 8.72, 9.08 |
Event added to database
|
Mon Feb 14 11:19:17 2005
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Event last processed
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Mon Mar 30 23:04:30 2009
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
5.957 ± 1.287
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-333.5 ± 3.2 |
-423.1 ± 3.9 |
Vy GSE [km/s] |
-3.0 ± 6.6 |
-27.3 ± 6.7 |
Vz GSE [km/s] |
-28.6 ± 1.5 |
-52.2 ± 4.0 |
Wi [km/s] |
26.4 ± 1.1 |
48.9 ± 4.4 |
We [km/s] |
834.5 ± 33.2 |
1546.2 ± 140.4 |
Ni [n/cc] |
10.0 ± 0.4 |
26.7 ± 3.6 |
Bx GSE [nT] |
5.5 ± 1.1 |
5.5 ± 1.3 |
By GSE [nT] |
-0.4 ± 2.2 |
-8.9 ± 3.9 |
Bz GSE [nT] |
-3.7 ± 0.8 |
-14.8 ± 3.6 |
Plasma Beta
|
0.289 ± 0.291
|
0.392 ± 0.380
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Sound Speed [km/s]
|
34.07 ± 1.36
|
63.12 ± 5.73
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Alfven Speed [km/s]
|
49.12 ± 1.54
|
79.87 ± 6.99
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.978 ± 0.060 |
-0.095 ± 0.328 |
0.185 ± 0.183 |
10.64 ± 15.72 |
185.53 ± 19.22 |
VC |
-0.936 ± 0.024 |
-0.250 ± 0.082 |
-0.246 ± 0.241 |
-14.25 ± 2.56 |
194.97 ± 4.99 |
MX1 |
-0.976 ± 0.041 |
-0.160 ± 0.100 |
0.144 ± 0.143 |
8.30 ± 14.93 |
189.33 ± 5.86 |
MX2 |
-0.998 ± 0.009 |
-0.069 ± 0.128 |
0.006 ± 0.006 |
0.33 ± 6.89 |
183.93 ± 7.33 |
MX3 |
-0.998 ± 0.008 |
-0.049 ± 0.145 |
-0.026 ± 0.026 |
-1.52 ± 6.94 |
182.81 ± 8.31 |
RH08 |
-0.995 ± 0.002 |
-0.079 ± 0.020 |
-0.061 ± 0.061 |
-3.52 ± 1.13 |
184.51 ± 1.16 |
RH09 |
-0.999 ± 0.003 |
-0.026 ± 0.068 |
-0.028 ± 0.028 |
-1.60 ± 4.06 |
181.50 ± 3.91 |
RH10 |
-0.999 ± 0.003 |
-0.026 ± 0.068 |
-0.028 ± 0.028 |
-1.60 ± 4.06 |
181.50 ± 3.91 |
Average |
-0.985 |
-0.094 |
-0.007 |
-0.401 |
185.511 |
Median |
-0.995 |
-0.069 |
-0.026 |
-1.517 |
184.513 |
Deviation |
0.022 |
0.076 |
0.132 |
7.595 |
4.582 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
28.7 ± 15.4 |
461.7 ± 16.5 |
2.68 ± 0.42 |
VC |
53.0 ± 16.5 |
476.9 ± 17.0 |
2.68 ± 0.42 |
MX1 |
31.2 ± 17.0 |
466.7 ± 16.7 |
2.68 ± 0.42 |
MX2 |
37.5 ± 14.0 |
482.3 ± 17.2 |
2.68 ± 0.42 |
MX3 |
39.1 ± 13.4 |
483.8 ± 17.3 |
2.68 ± 0.42 |
RH08 |
41.1 ± 13.9 |
485.9 ± 17.4 |
2.68 ± 0.42 |
RH09 |
39.1 ± 12.8 |
483.1 ± 17.3 |
2.68 ± 0.42 |
RH10 |
39.1 ± 12.8 |
483.1 ± 17.3 |
2.68 ± 0.42 |
Average |
38.6 |
477.9 |
2.68 |
Median |
39.1 |
483.1 |
2.68 |
Deviation |
7.3 |
9.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
140.4 ± 3.4 |
27.7 ± 0.9 |
43.1 ± 1.3 |
53.0 ± 1.5 |
5.07 ± 0.22 |
2.65 ± 0.11 |
VC |
156.8 ± 4.2 |
17.6 ± 0.6 |
29.6 ± 0.9 |
57.1 ± 1.6 |
8.91 ± 0.39 |
2.75 ± 0.12 |
MX1 |
144.7 ± 3.7 |
26.8 ± 0.9 |
42.0 ± 1.3 |
53.5 ± 1.5 |
5.41 ± 0.24 |
2.71 ± 0.11 |
MX2 |
149.5 ± 3.5 |
24.3 ± 0.8 |
38.9 ± 1.2 |
54.6 ± 1.6 |
6.16 ± 0.27 |
2.74 ± 0.11 |
MX3 |
149.9 ± 3.4 |
23.6 ± 0.8 |
38.1 ± 1.2 |
54.9 ± 1.6 |
6.35 ± 0.28 |
2.73 ± 0.11 |
RH8 |
152.1 ± 3.5 |
22.8 ± 0.7 |
37.0 ± 1.2 |
55.3 ± 1.6 |
6.67 ± 0.29 |
2.75 ± 0.12 |
RH9 |
149.0 ± 3.3 |
23.6 ± 0.8 |
38.1 ± 1.2 |
54.9 ± 1.6 |
6.31 ± 0.28 |
2.71 ± 0.11 |
RH10 |
149.0 ± 3.3 |
23.6 ± 0.8 |
38.1 ± 1.2 |
54.9 ± 1.6 |
6.31 ± 0.28 |
2.71 ± 0.11 |
Average |
148.9 |
23.8 |
38.1 |
54.8 |
6.4 |
2.7 |
Median |
149.5 |
23.6 |
38.1 |
54.9 |
6.3 |
2.7 |
Deviation |
4.8 |
3.0 |
4.1 |
1.2 |
1.1 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
54.9 ± 4.4 |
49.3 ± 2.9 |
70.1 ± 6.1 |
89.3 ± 4.6 |
1.12 ± 0.14 |
0.62 ± 0.08 |
VC |
61.1 ± 4.2 |
31.1 ± 1.6 |
48.1 ± 4.2 |
97.2 ± 4.5 |
1.97 ± 0.22 |
0.63 ± 0.07 |
MX1 |
56.8 ± 4.5 |
47.6 ± 2.7 |
68.3 ± 6.0 |
90.3 ± 4.5 |
1.20 ± 0.15 |
0.63 ± 0.08 |
MX2 |
58.6 ± 4.1 |
43.0 ± 2.4 |
63.3 ± 5.5 |
92.5 ± 4.5 |
1.37 ± 0.15 |
0.64 ± 0.07 |
MX3 |
58.7 ± 4.0 |
41.8 ± 2.3 |
62.0 ± 5.4 |
93.1 ± 4.5 |
1.41 ± 0.15 |
0.63 ± 0.07 |
RH8 |
59.6 ± 4.1 |
40.4 ± 2.2 |
60.2 ± 5.3 |
93.7 ± 4.5 |
1.48 ± 0.16 |
0.64 ± 0.07 |
RH9 |
58.2 ± 4.0 |
41.8 ± 2.3 |
61.9 ± 5.4 |
93.1 ± 4.5 |
1.40 ± 0.15 |
0.63 ± 0.07 |
RH10 |
58.2 ± 4.0 |
41.8 ± 2.3 |
61.9 ± 5.4 |
93.1 ± 4.5 |
1.40 ± 0.15 |
0.63 ± 0.07 |
Average |
58.2 |
42.1 |
62.0 |
92.8 |
1.4 |
0.6 |
Median |
58.6 |
41.8 |
62.0 |
93.1 |
1.4 |
0.6 |
Deviation |
1.8 |
5.4 |
6.6 |
2.4 |
0.3 |
0.0 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00326.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00326.png)
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Velocity
![V](wi_selv_00326.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_00326.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00326.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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