Database: Wind Shock Analysis
Event ID: 20011471445
Observation time: 05/27/2001 147.61509 1445 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
2001 |
Fractional day of year |
147.615087 |
Arrival time of shock [seconds of day] |
53143.5 ± 6.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
76.326 |
Y GSE location of spacecraft [Re] |
-105.149 |
Z GSE location of spacecraft [Re] |
-8.530 |
Upstream plasma points selected for analysis |
0008 |
Upstream field points selected for analysis |
0253 |
Downstream plasma points selected for analysis |
0008
|
Downstream field points selected for analysis |
0251 |
Minimum chisq/dof for RH8,RH9,RH10 |
7.65, 9.36, 9.57 |
Event added to database
|
Mon Feb 14 11:14:06 2005
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Event last processed
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Mon Mar 30 21:08:11 2009
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
14.610 ± 0.597
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-414.8 ± 4.5 |
-535.9 ± 15.5 |
Vy GSE [km/s] |
-22.4 ± 9.5 |
-13.3 ± 16.5 |
Vz GSE [km/s] |
8.1 ± 17.2 |
83.8 ± 9.9 |
Wi [km/s] |
43.7 ± 3.2 |
75.9 ± 5.8 |
We [km/s] |
1381.5 ± 101.6 |
2398.9 ± 183.4 |
Ni [n/cc] |
1.7 ± 0.2 |
4.0 ± 0.6 |
Bx GSE [nT] |
-3.3 ± 0.4 |
-4.2 ± 0.9 |
By GSE [nT] |
3.2 ± 0.4 |
4.3 ± 1.3 |
Bz GSE [nT] |
-0.2 ± 1.1 |
-9.1 ± 1.0 |
Plasma Beta
|
0.309 ± 0.322
|
0.402 ± 0.448
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Sound Speed [km/s]
|
56.40 ± 4.15
|
97.93 ± 7.49
|
Alfven Speed [km/s]
|
79.08 ± 6.43
|
121.56 ± 12.78
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.731 ± 0.083 |
0.662 ± 0.091 |
0.165 ± 0.164 |
9.52 ± 9.25 |
137.83 ± 7.02 |
VC |
-0.851 ± 0.062 |
0.054 ± 0.123 |
0.522 ± 0.468 |
31.47 ± 6.73 |
176.36 ± 8.30 |
MX1 |
-0.827 ± 0.165 |
0.544 ± 0.250 |
0.142 ± 0.141 |
8.15 ± 7.83 |
146.66 ± 17.28 |
MX2 |
-0.969 ± 0.032 |
0.212 ± 0.132 |
0.125 ± 0.124 |
7.15 ± 6.55 |
167.64 ± 7.78 |
MX3 |
-0.987 ± 0.018 |
0.110 ± 0.114 |
0.116 ± 0.115 |
6.64 ± 6.21 |
173.64 ± 6.60 |
RH08 |
-0.995 ± 0.001 |
0.096 ± 0.014 |
-0.028 ± 0.028 |
-1.60 ± 0.72 |
174.48 ± 0.83 |
RH09 |
-0.994 ± 0.007 |
0.078 ± 0.069 |
-0.073 ± 0.072 |
-4.16 ± 3.28 |
175.49 ± 3.97 |
RH10 |
-0.994 ± 0.007 |
0.078 ± 0.069 |
-0.073 ± 0.072 |
-4.16 ± 3.40 |
175.49 ± 3.98 |
Average |
-0.919 |
0.229 |
0.112 |
6.625 |
165.948 |
Median |
-0.969 |
0.110 |
0.125 |
7.153 |
174.485 |
Deviation |
0.102 |
0.237 |
0.193 |
11.518 |
15.061 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
14.1 ± 14.1 |
482.2 ± 26.9 |
2.37 ± 0.41 |
VC |
52.0 ± 11.2 |
607.0 ± 32.2 |
2.37 ± 0.41 |
MX1 |
17.9 ± 11.9 |
539.3 ± 26.0 |
2.37 ± 0.41 |
MX2 |
35.1 ± 7.3 |
627.5 ± 24.7 |
2.37 ± 0.41 |
MX3 |
40.4 ± 6.3 |
638.5 ± 24.4 |
2.37 ± 0.41 |
RH08 |
40.4 ± 4.4 |
626.1 ± 21.4 |
2.37 ± 0.41 |
RH09 |
41.3 ± 3.9 |
619.4 ± 20.5 |
2.37 ± 0.41 |
RH10 |
41.3 ± 3.9 |
619.4 ± 20.5 |
2.37 ± 0.41 |
Average |
35.3 |
594.9 |
2.37 |
Median |
40.4 |
619.4 |
2.37 |
Deviation |
12.8 |
54.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
192.5 ± 9.2 |
53.2 ± 3.7 |
76.7 ± 6.2 |
81.3 ± 6.3 |
3.63 ± 0.20 |
2.37 ± 0.11 |
VC |
250.9 ± 11.9 |
29.6 ± 1.9 |
48.7 ± 4.0 |
92.6 ± 6.6 |
8.48 ± 0.37 |
2.72 ± 0.12 |
MX1 |
207.3 ± 8.3 |
51.5 ± 3.5 |
75.2 ± 6.1 |
82.4 ± 6.3 |
4.04 ± 0.22 |
2.52 ± 0.12 |
MX2 |
229.2 ± 6.6 |
41.5 ± 2.7 |
64.7 ± 5.3 |
87.9 ± 6.4 |
5.54 ± 0.30 |
2.62 ± 0.14 |
MX3 |
230.5 ± 6.2 |
37.9 ± 2.5 |
60.2 ± 4.9 |
89.5 ± 6.4 |
6.10 ± 0.34 |
2.59 ± 0.15 |
RH8 |
215.8 ± 4.3 |
37.9 ± 2.5 |
60.3 ± 4.9 |
89.5 ± 6.4 |
5.71 ± 0.36 |
2.42 ± 0.16 |
RH9 |
209.3 ± 3.9 |
37.3 ± 2.4 |
59.4 ± 4.8 |
89.7 ± 6.4 |
5.63 ± 0.37 |
2.34 ± 0.16 |
RH10 |
209.3 ± 3.9 |
37.3 ± 2.4 |
59.4 ± 4.8 |
89.7 ± 6.4 |
5.63 ± 0.37 |
2.34 ± 0.16 |
Average |
218.1 |
40.8 |
63.1 |
87.8 |
5.6 |
2.5 |
Median |
215.8 |
37.9 |
60.3 |
89.5 |
5.6 |
2.5 |
Deviation |
18.1 |
7.9 |
9.1 |
3.9 |
1.5 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
85.4 ± 21.3 |
90.4 ± 5.8 |
117.9 ± 12.4 |
127.4 ± 11.5 |
0.95 ± 0.26 |
0.67 ± 0.14 |
VC |
107.8 ± 15.6 |
49.2 ± 2.8 |
74.9 ± 7.9 |
148.4 ± 10.6 |
2.20 ± 0.35 |
0.73 ± 0.10 |
MX1 |
91.5 ± 20.8 |
87.1 ± 5.4 |
115.7 ± 12.2 |
129.8 ± 11.2 |
1.06 ± 0.27 |
0.70 ± 0.13 |
MX2 |
100.5 ± 18.0 |
69.3 ± 4.0 |
99.5 ± 10.5 |
140.2 ± 10.6 |
1.45 ± 0.28 |
0.72 ± 0.11 |
MX3 |
101.2 ± 16.9 |
63.1 ± 3.6 |
92.5 ± 9.7 |
143.0 ± 10.6 |
1.61 ± 0.28 |
0.71 ± 0.10 |
RH8 |
96.5 ± 16.5 |
63.2 ± 3.6 |
92.6 ± 9.7 |
143.0 ± 10.6 |
1.53 ± 0.27 |
0.67 ± 0.09 |
RH9 |
93.7 ± 16.2 |
62.1 ± 3.5 |
91.3 ± 9.6 |
143.5 ± 10.6 |
1.51 ± 0.27 |
0.65 ± 0.09 |
RH10 |
93.7 ± 16.2 |
62.1 ± 3.5 |
91.3 ± 9.6 |
143.5 ± 10.6 |
1.51 ± 0.27 |
0.65 ± 0.09 |
Average |
96.3 |
68.3 |
97.0 |
139.9 |
1.5 |
0.7 |
Median |
96.5 |
63.2 |
92.6 |
143.0 |
1.5 |
0.7 |
Deviation |
6.9 |
13.8 |
14.1 |
7.3 |
0.4 |
0.0 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00239.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00239.png)
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Velocity
![V](wi_selv_00239.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_00239.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00239.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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