Database: Wind Shock Analysis
Event ID: 20011011617
Observation time: 04/11/2001 101.67915 1617 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
2001 |
Fractional day of year |
101.679149 |
Arrival time of shock [seconds of day] |
58678.5 ± 6.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
3.710 |
Y GSE location of spacecraft [Re] |
-262.450 |
Z GSE location of spacecraft [Re] |
-0.530 |
Upstream plasma points selected for analysis |
0011 |
Upstream field points selected for analysis |
0336 |
Downstream plasma points selected for analysis |
0009
|
Downstream field points selected for analysis |
0321 |
Minimum chisq/dof for RH8,RH9,RH10 |
9.31, 14.65, 14.97 |
Event added to database
|
Mon Feb 14 11:13:27 2005
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Event last processed
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Mon Mar 30 20:50:39 2009
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Method selected
|
RH09
|
Propagation delay to Earth [minutes]
|
-14.065 ± 1.994
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-651.0 ± 6.1 |
-718.1 ± 11.4 |
Vy GSE [km/s] |
26.4 ± 10.4 |
-43.8 ± 5.7 |
Vz GSE [km/s] |
46.8 ± 19.1 |
181.5 ± 15.4 |
Wi [km/s] |
131.8 ± 8.2 |
166.1 ± 6.6 |
We [km/s] |
4167.9 ± 260.0 |
5252.9 ± 207.9 |
Ni [n/cc] |
14.5 ± 1.6 |
32.3 ± 1.4 |
Bx GSE [nT] |
13.1 ± 1.0 |
17.4 ± 1.2 |
By GSE [nT] |
3.4 ± 2.1 |
4.3 ± 2.0 |
Bz GSE [nT] |
-0.6 ± 4.4 |
16.5 ± 2.7 |
Plasma Beta
|
2.743 ± 2.583
|
3.229 ± 3.345
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Sound Speed [km/s]
|
170.15 ± 10.62
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214.45 ± 8.49
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Alfven Speed [km/s]
|
82.34 ± 10.54
|
94.28 ± 10.17
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.938 ± 0.050 |
-0.267 ± 0.161 |
0.219 ± 0.216 |
12.67 ± 5.77 |
195.91 ± 9.80 |
VC |
-0.411 ± 0.093 |
-0.430 ± 0.094 |
0.803 ± 0.556 |
53.46 ± 7.86 |
226.31 ± 7.01 |
MX1 |
-0.938 ± 0.071 |
-0.273 ± 0.233 |
0.214 ± 0.211 |
12.38 ± 5.51 |
196.23 ± 14.24 |
MX2 |
-0.843 ± 0.057 |
-0.488 ± 0.093 |
0.227 ± 0.223 |
13.14 ± 5.57 |
210.09 ± 6.28 |
MX3 |
-0.771 ± 0.096 |
-0.596 ± 0.123 |
0.224 ± 0.220 |
12.96 ± 5.19 |
217.73 ± 9.07 |
RH08 |
-0.968 ± 0.005 |
-0.233 ± 0.021 |
0.095 ± 0.095 |
5.45 ± 0.65 |
193.54 ± 1.27 |
RH09 |
-0.885 ± 0.033 |
-0.423 ± 0.065 |
0.196 ± 0.193 |
11.28 ± 3.96 |
205.57 ± 4.16 |
RH10 |
-0.892 ± 0.032 |
-0.408 ± 0.065 |
0.196 ± 0.193 |
11.28 ± 3.96 |
204.57 ± 4.16 |
Average |
-0.831 |
-0.390 |
0.272 |
16.578 |
206.242 |
Median |
-0.885 |
-0.408 |
0.219 |
12.673 |
205.571 |
Deviation |
0.181 |
0.125 |
0.219 |
15.111 |
11.471 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
19.5 ± 8.1 |
816.0 ± 26.2 |
2.30 ± 0.25 |
VC |
57.3 ± 14.0 |
595.0 ± 39.7 |
2.30 ± 0.25 |
MX1 |
19.5 ± 7.9 |
814.9 ± 26.1 |
2.30 ± 0.25 |
MX2 |
25.9 ± 4.1 |
766.4 ± 25.1 |
2.30 ± 0.25 |
MX3 |
30.9 ± 3.5 |
721.3 ± 24.0 |
2.30 ± 0.25 |
RH08 |
17.5 ± 7.9 |
797.8 ± 24.5 |
2.30 ± 0.25 |
RH09 |
22.7 ± 4.8 |
783.2 ± 25.0 |
2.30 ± 0.25 |
RH10 |
22.2 ± 5.0 |
786.9 ± 25.1 |
2.30 ± 0.25 |
Average |
26.9 |
760.2 |
2.30 |
Median |
22.7 |
786.9 |
2.30 |
Deviation |
13.0 |
73.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
202.1 ± 4.5 |
76.2 ± 9.2 |
77.6 ± 9.9 |
173.1 ± 9.7 |
2.68 ± 0.30 |
1.17 ± 0.08 |
VC |
301.1 ± 10.8 |
40.8 ± 4.1 |
44.5 ± 5.7 |
184.9 ± 7.5 |
7.46 ± 0.92 |
1.63 ± 0.09 |
MX1 |
201.6 ± 4.5 |
76.2 ± 9.2 |
77.6 ± 9.9 |
173.1 ± 9.7 |
2.68 ± 0.30 |
1.17 ± 0.08 |
MX2 |
220.1 ± 4.6 |
71.9 ± 8.4 |
74.1 ± 9.5 |
175.0 ± 9.2 |
3.09 ± 0.32 |
1.26 ± 0.08 |
MX3 |
224.8 ± 5.0 |
67.9 ± 7.7 |
70.7 ± 9.0 |
176.6 ± 8.9 |
3.34 ± 0.32 |
1.28 ± 0.08 |
RH8 |
169.5 ± 5.6 |
77.4 ± 9.4 |
78.5 ± 10.1 |
172.6 ± 9.9 |
2.22 ± 0.23 |
0.99 ± 0.07 |
RH9 |
209.4 ± 4.8 |
74.1 ± 8.8 |
75.9 ± 9.7 |
174.0 ± 9.5 |
2.86 ± 0.30 |
1.21 ± 0.08 |
RH10 |
207.9 ± 4.8 |
74.5 ± 8.8 |
76.2 ± 9.8 |
173.9 ± 9.5 |
2.82 ± 0.29 |
1.20 ± 0.08 |
Average |
217.1 |
69.9 |
71.9 |
175.4 |
3.4 |
1.2 |
Median |
209.4 |
74.5 |
76.2 |
174.0 |
2.9 |
1.2 |
Deviation |
37.8 |
12.1 |
11.3 |
4.1 |
1.7 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
90.7 ± 9.0 |
87.7 ± 9.1 |
88.9 ± 9.6 |
217.3 ± 8.0 |
1.04 ± 0.09 |
0.42 ± 0.04 |
VC |
135.0 ± 9.0 |
47.5 ± 4.4 |
51.0 ± 5.5 |
229.6 ± 7.2 |
2.87 ± 0.44 |
0.59 ± 0.05 |
MX1 |
90.5 ± 9.0 |
87.7 ± 9.1 |
88.9 ± 9.6 |
217.3 ± 8.0 |
1.04 ± 0.09 |
0.42 ± 0.04 |
MX2 |
98.6 ± 7.4 |
82.9 ± 8.4 |
84.8 ± 9.2 |
219.2 ± 7.8 |
1.19 ± 0.10 |
0.45 ± 0.03 |
MX3 |
100.9 ± 6.5 |
78.5 ± 7.8 |
80.9 ± 8.7 |
220.8 ± 7.6 |
1.29 ± 0.10 |
0.46 ± 0.03 |
RH8 |
75.4 ± 10.0 |
88.9 ± 9.3 |
89.9 ± 9.7 |
216.8 ± 8.1 |
0.85 ± 0.09 |
0.35 ± 0.04 |
RH9 |
93.9 ± 8.2 |
85.4 ± 8.8 |
86.9 ± 9.4 |
218.2 ± 7.9 |
1.10 ± 0.09 |
0.43 ± 0.04 |
RH10 |
93.0 ± 8.3 |
85.8 ± 8.8 |
87.3 ± 9.4 |
218.1 ± 7.9 |
1.09 ± 0.09 |
0.43 ± 0.04 |
Average |
97.3 |
80.6 |
82.3 |
219.7 |
1.3 |
0.4 |
Median |
93.9 |
85.8 |
87.3 |
218.2 |
1.1 |
0.4 |
Deviation |
17.1 |
13.8 |
13.0 |
4.2 |
0.6 |
0.1 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00228.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00228.png)
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Velocity
![V](wi_selv_00228.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_00228.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00228.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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