Database: Wind Shock Analysis
Event ID: 20012720929
Observation time: 09/29/2001 272.39543 0929 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
2001 |
Fractional day of year |
272.395434 |
Arrival time of shock [seconds of day] |
34165.5 ± 6.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
67.945 |
Y GSE location of spacecraft [Re] |
-10.025 |
Z GSE location of spacecraft [Re] |
6.205 |
Upstream plasma points selected for analysis |
0007 |
Upstream field points selected for analysis |
0213 |
Downstream plasma points selected for analysis |
0009
|
Downstream field points selected for analysis |
0286 |
Minimum chisq/dof for RH8,RH9,RH10 |
2.78, 5.64, 5.80 |
Event added to database
|
Mon Feb 14 11:15:34 2005
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Event last processed
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Mon Mar 30 21:41:58 2009
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Method selected
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RH08
|
Propagation delay to Earth [minutes]
|
9.713 ± 0.434
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-531.8 ± 7.5 |
-662.9 ± 17.0 |
Vy GSE [km/s] |
35.4 ± 4.3 |
26.4 ± 37.2 |
Vz GSE [km/s] |
8.4 ± 10.6 |
33.2 ± 17.1 |
Wi [km/s] |
57.6 ± 6.4 |
85.6 ± 9.4 |
We [km/s] |
1822.7 ± 203.8 |
2707.7 ± 296.2 |
Ni [n/cc] |
2.4 ± 0.6 |
6.3 ± 0.5 |
Bx GSE [nT] |
-3.4 ± 0.2 |
-0.3 ± 2.6 |
By GSE [nT] |
-2.7 ± 0.6 |
-0.8 ± 9.4 |
Bz GSE [nT] |
-1.5 ± 0.8 |
-0.9 ± 2.8 |
Plasma Beta
|
0.798 ± 0.940
|
2.852 ± 0.833
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Sound Speed [km/s]
|
74.41 ± 8.32
|
110.54 ± 12.09
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Alfven Speed [km/s]
|
68.36 ± 11.59
|
80.78 ± 25.13
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.944 ± 0.144 |
0.190 ± 0.475 |
-0.269 ± 0.262 |
-15.59 ± 23.59 |
168.65 ± 28.79 |
VC |
-0.984 ± 0.024 |
-0.036 ± 0.261 |
0.177 ± 0.175 |
10.21 ± 7.20 |
182.11 ± 15.19 |
MX1 |
-0.906 ± 0.209 |
0.245 ± 0.491 |
0.346 ± 0.331 |
20.21 ± 27.74 |
164.86 ± 30.94 |
MX2 |
-0.952 ± 0.106 |
0.241 ± 0.392 |
0.189 ± 0.186 |
10.87 ± 11.59 |
165.80 ± 23.60 |
MX3 |
-0.937 ± 0.095 |
0.193 ± 0.340 |
0.290 ± 0.282 |
16.88 ± 12.97 |
168.34 ± 20.79 |
RH08 |
-0.989 ± 0.004 |
0.131 ± 0.027 |
0.073 ± 0.072 |
4.16 ± 1.04 |
172.48 ± 1.56 |
RH09 |
-0.952 ± 0.021 |
0.301 ± 0.066 |
0.061 ± 0.061 |
3.52 ± 4.03 |
162.45 ± 3.95 |
RH10 |
-0.952 ± 0.021 |
0.301 ± 0.066 |
0.061 ± 0.061 |
3.52 ± 4.03 |
162.45 ± 3.95 |
Average |
-0.952 |
0.196 |
0.116 |
6.723 |
168.393 |
Median |
-0.952 |
0.241 |
0.177 |
10.207 |
168.342 |
Deviation |
0.026 |
0.110 |
0.188 |
10.952 |
6.489 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
48.4 ± 6.3 |
705.3 ± 28.8 |
2.81 ± 0.83 |
VC |
47.4 ± 5.0 |
745.1 ± 37.3 |
2.81 ± 0.83 |
MX1 |
66.2 ± 5.1 |
707.1 ± 28.2 |
2.81 ± 0.83 |
MX2 |
60.7 ± 4.6 |
728.8 ± 28.6 |
2.81 ± 0.83 |
MX3 |
61.7 ± 4.9 |
722.4 ± 29.6 |
2.81 ± 0.83 |
RH08 |
51.8 ± 4.4 |
746.8 ± 31.5 |
2.81 ± 0.83 |
RH09 |
60.2 ± 4.7 |
725.1 ± 27.5 |
2.81 ± 0.83 |
RH10 |
60.2 ± 4.7 |
725.1 ± 27.5 |
2.81 ± 0.83 |
Average |
57.1 |
725.7 |
2.81 |
Median |
60.2 |
725.1 |
2.81 |
Deviation |
6.9 |
15.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
198.6 ± 8.1 |
34.7 ± 1.5 |
45.4 ± 7.7 |
95.7 ± 3.3 |
5.72 ± 0.21 |
2.07 ± 0.06 |
VC |
221.8 ± 7.5 |
35.5 ± 1.5 |
46.3 ± 7.9 |
95.5 ± 3.3 |
6.25 ± 0.28 |
2.32 ± 0.05 |
MX1 |
213.8 ± 6.9 |
20.2 ± 0.8 |
27.6 ± 4.7 |
99.8 ± 3.4 |
10.58 ± 0.46 |
2.14 ± 0.06 |
MX2 |
212.3 ± 6.9 |
24.8 ± 1.0 |
33.5 ± 5.7 |
98.8 ± 3.4 |
8.56 ± 0.34 |
2.15 ± 0.05 |
MX3 |
214.7 ± 7.0 |
24.0 ± 1.0 |
32.4 ± 5.5 |
99.0 ± 3.4 |
8.97 ± 0.39 |
2.17 ± 0.05 |
RH8 |
215.7 ± 7.3 |
32.0 ± 1.3 |
42.3 ± 7.2 |
96.7 ± 3.3 |
6.75 ± 0.27 |
2.23 ± 0.05 |
RH9 |
207.9 ± 6.9 |
25.2 ± 1.0 |
33.9 ± 5.8 |
98.7 ± 3.4 |
8.27 ± 0.31 |
2.11 ± 0.05 |
RH10 |
207.9 ± 6.9 |
25.2 ± 1.0 |
33.9 ± 5.8 |
98.7 ± 3.4 |
8.27 ± 0.31 |
2.11 ± 0.05 |
Average |
211.6 |
27.7 |
36.9 |
97.9 |
7.9 |
2.2 |
Median |
213.8 |
25.2 |
33.9 |
98.7 |
8.3 |
2.2 |
Deviation |
6.9 |
5.6 |
6.8 |
1.6 |
1.6 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
83.1 ± 11.8 |
43.8 ± 11.5 |
53.7 ± 16.7 |
131.8 ± 5.9 |
2.15 ± 1.13 |
0.63 ± 0.09 |
VC |
88.1 ± 18.5 |
44.8 ± 11.8 |
54.7 ± 17.0 |
131.4 ± 5.8 |
2.22 ± 1.20 |
0.67 ± 0.14 |
MX1 |
88.6 ± 10.5 |
25.6 ± 6.6 |
32.6 ± 10.1 |
136.8 ± 6.7 |
3.90 ± 1.98 |
0.65 ± 0.07 |
MX2 |
85.0 ± 10.2 |
31.4 ± 8.1 |
39.6 ± 12.3 |
135.5 ± 6.5 |
3.05 ± 1.55 |
0.63 ± 0.07 |
MX3 |
86.3 ± 11.6 |
30.3 ± 7.8 |
38.3 ± 11.9 |
135.7 ± 6.5 |
3.21 ± 1.64 |
0.64 ± 0.08 |
RH8 |
85.4 ± 13.1 |
40.4 ± 10.6 |
49.9 ± 15.5 |
132.9 ± 6.0 |
2.38 ± 1.24 |
0.64 ± 0.10 |
RH9 |
84.2 ± 9.0 |
31.8 ± 8.2 |
40.1 ± 12.5 |
135.4 ± 6.4 |
2.98 ± 1.51 |
0.62 ± 0.07 |
RH10 |
84.2 ± 9.0 |
31.8 ± 8.2 |
40.1 ± 12.5 |
135.4 ± 6.4 |
2.98 ± 1.51 |
0.62 ± 0.07 |
Average |
85.6 |
35.0 |
43.6 |
134.4 |
2.9 |
0.6 |
Median |
85.4 |
31.8 |
40.1 |
135.4 |
3.0 |
0.6 |
Deviation |
1.9 |
7.1 |
8.1 |
2.0 |
0.6 |
0.0 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00264.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00264.png)
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Velocity
![V](wi_selv_00264.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_00264.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00264.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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