Database: Wind Shock Analysis
Event ID: 20012841650
Observation time: 10/11/2001 284.70203 1650 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
2001 |
Fractional day of year |
284.702031 |
Arrival time of shock [seconds of day] |
60655.5 ± 3.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
59.346 |
Y GSE location of spacecraft [Re] |
-65.760 |
Z GSE location of spacecraft [Re] |
7.140 |
Upstream plasma points selected for analysis |
0007 |
Upstream field points selected for analysis |
0220 |
Downstream plasma points selected for analysis |
0010
|
Downstream field points selected for analysis |
0301 |
Minimum chisq/dof for RH8,RH9,RH10 |
3.44, 12.56, 13.21 |
Event added to database
|
Mon Feb 14 11:15:46 2005
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Event last processed
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Mon Mar 30 21:45:24 2009
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
10.636 ± 0.457
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-361.2 ± 5.7 |
-505.5 ± 3.0 |
Vy GSE [km/s] |
-38.6 ± 3.0 |
-67.6 ± 7.3 |
Vz GSE [km/s] |
-12.4 ± 4.2 |
-0.8 ± 10.4 |
Wi [km/s] |
21.6 ± 2.6 |
49.8 ± 10.1 |
We [km/s] |
683.1 ± 82.1 |
1575.4 ± 320.3 |
Ni [n/cc] |
6.7 ± 0.6 |
19.7 ± 2.9 |
Bx GSE [nT] |
-5.2 ± 0.3 |
-5.2 ± 0.8 |
By GSE [nT] |
6.6 ± 0.3 |
22.5 ± 1.5 |
Bz GSE [nT] |
0.3 ± 0.5 |
-0.1 ± 2.8 |
Plasma Beta
|
0.096 ± 0.085
|
0.201 ± 0.206
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Sound Speed [km/s]
|
27.89 ± 3.35
|
64.32 ± 13.08
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Alfven Speed [km/s]
|
71.05 ± 3.30
|
115.22 ± 13.32
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.997 ± 0.016 |
0.046 ± 0.090 |
0.069 ± 0.069 |
3.97 ± 13.04 |
177.38 ± 5.20 |
VC |
-0.977 ± 0.011 |
-0.196 ± 0.048 |
0.078 ± 0.078 |
4.50 ± 4.15 |
191.35 ± 2.84 |
MX1 |
-0.997 ± 0.005 |
0.016 ± 0.073 |
0.074 ± 0.073 |
4.22 ± 3.68 |
179.09 ± 4.20 |
MX2 |
-0.998 ± 0.004 |
0.012 ± 0.069 |
0.070 ± 0.069 |
3.99 ± 3.26 |
179.31 ± 3.95 |
MX3 |
-0.998 ± 0.004 |
0.010 ± 0.066 |
0.067 ± 0.067 |
3.84 ± 3.28 |
179.42 ± 3.82 |
RH08 |
-0.999 ± 0.001 |
-0.009 ± 0.009 |
0.050 ± 0.050 |
2.88 ± 0.67 |
180.50 ± 0.52 |
RH09 |
-0.999 ± 0.003 |
0.044 ± 0.068 |
0.017 ± 0.017 |
0.96 ± 4.05 |
177.49 ± 3.91 |
RH10 |
-0.999 ± 0.003 |
0.044 ± 0.069 |
0.006 ± 0.006 |
0.32 ± 4.05 |
177.49 ± 3.94 |
Average |
-0.995 |
-0.004 |
0.054 |
3.085 |
180.255 |
Median |
-0.998 |
0.016 |
0.069 |
3.966 |
179.311 |
Deviation |
0.007 |
0.080 |
0.028 |
1.588 |
4.623 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
49.2 ± 2.5 |
575.6 ± 21.9 |
2.79 ± 0.43 |
VC |
63.1 ± 2.5 |
584.7 ± 23.4 |
2.79 ± 0.43 |
MX1 |
50.9 ± 2.5 |
578.5 ± 22.1 |
2.79 ± 0.43 |
MX2 |
51.1 ± 2.5 |
579.0 ± 22.2 |
2.79 ± 0.43 |
MX3 |
51.2 ± 2.5 |
579.3 ± 22.2 |
2.79 ± 0.43 |
RH08 |
52.3 ± 2.5 |
581.2 ± 22.5 |
2.79 ± 0.43 |
RH09 |
49.3 ± 2.5 |
576.5 ± 22.2 |
2.79 ± 0.43 |
RH10 |
49.3 ± 2.6 |
576.4 ± 22.3 |
2.79 ± 0.43 |
Average |
52.0 |
578.9 |
2.79 |
Median |
51.1 |
579.0 |
2.79 |
Deviation |
4.6 |
3.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
218.2 ± 5.9 |
17.4 ± 1.7 |
46.5 ± 2.2 |
74.4 ± 2.3 |
12.67 ± 1.36 |
2.93 ± 0.08 |
VC |
225.1 ± 5.8 |
11.9 ± 1.1 |
32.2 ± 1.5 |
75.5 ± 2.1 |
19.13 ± 1.95 |
2.98 ± 0.09 |
MX1 |
219.8 ± 5.9 |
16.7 ± 1.7 |
44.8 ± 2.1 |
74.5 ± 2.3 |
13.25 ± 1.41 |
2.95 ± 0.08 |
MX2 |
220.0 ± 5.9 |
16.7 ± 1.7 |
44.6 ± 2.1 |
74.6 ± 2.3 |
13.33 ± 1.42 |
2.95 ± 0.08 |
MX3 |
220.1 ± 5.9 |
16.6 ± 1.7 |
44.5 ± 2.1 |
74.6 ± 2.3 |
13.36 ± 1.42 |
2.95 ± 0.08 |
RH8 |
220.7 ± 5.8 |
16.2 ± 1.6 |
43.5 ± 2.0 |
74.7 ± 2.3 |
13.74 ± 1.46 |
2.96 ± 0.08 |
RH9 |
217.5 ± 5.8 |
17.3 ± 1.7 |
46.3 ± 2.2 |
74.4 ± 2.3 |
12.66 ± 1.36 |
2.92 ± 0.08 |
RH10 |
217.3 ± 5.8 |
17.3 ± 1.7 |
46.3 ± 2.2 |
74.4 ± 2.3 |
12.65 ± 1.36 |
2.92 ± 0.08 |
Average |
219.8 |
16.3 |
43.6 |
74.6 |
13.9 |
2.9 |
Median |
220.0 |
16.7 |
44.8 |
74.6 |
13.3 |
3.0 |
Deviation |
2.5 |
1.8 |
4.7 |
0.4 |
2.2 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
74.9 ± 2.6 |
37.9 ± 6.1 |
75.3 ± 8.7 |
126.9 ± 13.1 |
2.02 ± 0.29 |
0.60 ± 0.08 |
VC |
77.4 ± 3.8 |
25.6 ± 4.0 |
52.2 ± 6.0 |
130.0 ± 13.3 |
3.07 ± 0.41 |
0.60 ± 0.09 |
MX1 |
75.5 ± 2.7 |
36.5 ± 5.9 |
72.7 ± 8.4 |
127.3 ± 13.1 |
2.11 ± 0.30 |
0.60 ± 0.08 |
MX2 |
75.6 ± 2.7 |
36.3 ± 5.8 |
72.4 ± 8.4 |
127.4 ± 13.1 |
2.13 ± 0.30 |
0.60 ± 0.08 |
MX3 |
75.6 ± 2.7 |
36.2 ± 5.8 |
72.2 ± 8.3 |
127.4 ± 13.1 |
2.13 ± 0.31 |
0.60 ± 0.08 |
RH8 |
75.7 ± 2.9 |
35.3 ± 5.7 |
70.5 ± 8.2 |
127.7 ± 13.1 |
2.19 ± 0.31 |
0.60 ± 0.08 |
RH9 |
74.5 ± 2.8 |
37.8 ± 6.1 |
75.2 ± 8.7 |
126.9 ± 13.1 |
2.01 ± 0.30 |
0.59 ± 0.08 |
RH10 |
74.3 ± 2.8 |
37.8 ± 6.1 |
75.1 ± 8.7 |
126.9 ± 13.1 |
2.01 ± 0.30 |
0.59 ± 0.08 |
Average |
75.4 |
35.4 |
70.7 |
127.6 |
2.2 |
0.6 |
Median |
75.6 |
36.5 |
72.7 |
127.4 |
2.1 |
0.6 |
Deviation |
1.0 |
4.1 |
7.7 |
1.0 |
0.4 |
0.0 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00267.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00267.png)
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Velocity
![V](wi_selv_00267.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_00267.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00267.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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