Database: Wind Shock Analysis
Event ID: 20010170407
Observation time: 01/17/2001 17.17214 0407 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
2001 |
Fractional day of year |
17.172135 |
Arrival time of shock [seconds of day] |
14872.5 ± 3.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
-1.320 |
Y GSE location of spacecraft [Re] |
240.364 |
Z GSE location of spacecraft [Re] |
-17.030 |
Upstream plasma points selected for analysis |
0009 |
Upstream field points selected for analysis |
0266 |
Downstream plasma points selected for analysis |
0009
|
Downstream field points selected for analysis |
0266 |
Minimum chisq/dof for RH8,RH9,RH10 |
5.41, 10.61, 10.80 |
Event added to database
|
Mon Feb 14 11:12:00 2005
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Event last processed
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Mon Mar 30 20:22:44 2009
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
13.149 ± 1.199
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-326.6 ± 1.8 |
-343.0 ± 2.0 |
Vy GSE [km/s] |
-2.2 ± 1.6 |
-12.2 ± 1.5 |
Vz GSE [km/s] |
-15.8 ± 1.3 |
-20.8 ± 1.2 |
Wi [km/s] |
22.5 ± 0.6 |
24.0 ± 0.6 |
We [km/s] |
711.5 ± 18.7 |
759.8 ± 18.9 |
Ni [n/cc] |
9.4 ± 0.5 |
13.6 ± 0.4 |
Bx GSE [nT] |
-2.9 ± 0.1 |
-3.9 ± 0.2 |
By GSE [nT] |
3.5 ± 0.2 |
4.9 ± 0.2 |
Bz GSE [nT] |
2.2 ± 0.2 |
3.3 ± 0.6 |
Plasma Beta
|
0.387 ± 0.377
|
0.329 ± 0.339
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Sound Speed [km/s]
|
29.05 ± 0.76
|
31.02 ± 0.77
|
Alfven Speed [km/s]
|
36.25 ± 1.22
|
42.00 ± 1.44
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.887 ± 0.358 |
0.215 ± 0.793 |
-0.409 ± 0.384 |
-24.11 ± 43.61 |
166.39 ± 50.97 |
VC |
-0.823 ± 0.076 |
-0.512 ± 0.120 |
-0.246 ± 0.241 |
-14.24 ± 4.48 |
211.88 ± 8.31 |
MX1 |
-0.870 ± 0.067 |
-0.448 ± 0.126 |
-0.204 ± 0.201 |
-11.79 ± 6.01 |
207.26 ± 8.25 |
MX2 |
-0.868 ± 0.065 |
-0.452 ± 0.120 |
-0.205 ± 0.202 |
-11.83 ± 5.85 |
207.48 ± 7.92 |
MX3 |
-0.865 ± 0.062 |
-0.458 ± 0.112 |
-0.206 ± 0.203 |
-11.91 ± 5.89 |
207.90 ± 7.38 |
RH08 |
-0.967 ± 0.003 |
-0.215 ± 0.013 |
-0.140 ± 0.139 |
-8.03 ± 0.65 |
192.53 ± 0.78 |
RH09 |
-0.990 ± 0.010 |
-0.078 ± 0.070 |
-0.117 ± 0.117 |
-6.74 ± 4.01 |
184.51 ± 4.05 |
RH10 |
-0.989 ± 0.011 |
-0.078 ± 0.070 |
-0.128 ± 0.128 |
-7.38 ± 4.01 |
184.51 ± 4.07 |
Average |
-0.907 |
-0.253 |
-0.207 |
-12.004 |
195.308 |
Median |
-0.870 |
-0.215 |
-0.204 |
-11.790 |
207.260 |
Deviation |
0.065 |
0.259 |
0.093 |
5.563 |
16.040 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
61.4 ± 2.6 |
342.7 ± 4.8 |
1.45 ± 0.07 |
VC |
89.3 ± 2.1 |
338.6 ± 7.1 |
1.45 ± 0.07 |
MX1 |
84.1 ± 2.1 |
352.7 ± 6.7 |
1.45 ± 0.07 |
MX2 |
84.3 ± 2.1 |
352.1 ± 6.8 |
1.45 ± 0.07 |
MX3 |
84.8 ± 2.1 |
351.1 ± 6.8 |
1.45 ± 0.07 |
RH08 |
69.7 ± 2.2 |
379.2 ± 5.6 |
1.45 ± 0.07 |
RH09 |
62.3 ± 2.2 |
382.1 ± 5.1 |
1.45 ± 0.07 |
RH10 |
62.7 ± 2.2 |
381.9 ± 5.1 |
1.45 ± 0.07 |
Average |
74.8 |
360.1 |
1.45 |
Median |
84.1 |
352.7 |
1.45 |
Deviation |
11.9 |
18.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
47.0 ± 2.4 |
11.2 ± 0.1 |
17.3 ± 0.6 |
45.1 ± 0.8 |
4.21 ± 0.16 |
1.04 ± 0.04 |
VC |
64.7 ± 1.1 |
0.3 ± 0.0 |
0.5 ± 0.0 |
46.5 ± 0.8 |
223.88 ± 1.70 |
1.39 ± 0.01 |
MX1 |
64.2 ± 1.2 |
2.3 ± 0.0 |
3.7 ± 0.1 |
46.4 ± 0.8 |
27.77 ± 0.23 |
1.38 ± 0.01 |
MX2 |
64.3 ± 1.2 |
2.2 ± 0.0 |
3.6 ± 0.1 |
46.4 ± 0.8 |
28.79 ± 0.24 |
1.39 ± 0.01 |
MX3 |
64.4 ± 1.1 |
2.1 ± 0.0 |
3.3 ± 0.1 |
46.4 ± 0.8 |
31.04 ± 0.26 |
1.39 ± 0.01 |
RH8 |
60.8 ± 1.6 |
8.0 ± 0.1 |
12.6 ± 0.4 |
45.8 ± 0.8 |
7.64 ± 0.11 |
1.33 ± 0.02 |
RH9 |
56.7 ± 1.8 |
10.8 ± 0.1 |
16.8 ± 0.6 |
45.2 ± 0.8 |
5.25 ± 0.11 |
1.26 ± 0.02 |
RH10 |
56.8 ± 1.8 |
10.7 ± 0.1 |
16.6 ± 0.6 |
45.2 ± 0.8 |
5.33 ± 0.11 |
1.26 ± 0.02 |
Average |
59.9 |
5.9 |
9.3 |
45.9 |
41.7 |
1.3 |
Median |
64.2 |
8.0 |
12.6 |
46.4 |
27.8 |
1.4 |
Deviation |
6.2 |
4.6 |
7.2 |
0.6 |
74.5 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
32.6 ± 1.9 |
12.3 ± 0.2 |
20.1 ± 0.7 |
50.8 ± 1.2 |
2.66 ± 0.13 |
0.64 ± 0.03 |
VC |
44.9 ± 1.6 |
0.3 ± 0.0 |
0.5 ± 0.0 |
52.2 ± 1.2 |
141.11 ± 5.12 |
0.86 ± 0.04 |
MX1 |
44.5 ± 1.7 |
2.5 ± 0.0 |
4.3 ± 0.1 |
52.2 ± 1.2 |
17.48 ± 0.64 |
0.85 ± 0.04 |
MX2 |
44.5 ± 1.7 |
2.5 ± 0.0 |
4.1 ± 0.1 |
52.2 ± 1.2 |
18.12 ± 0.66 |
0.85 ± 0.04 |
MX3 |
44.6 ± 1.7 |
2.3 ± 0.0 |
3.8 ± 0.1 |
52.2 ± 1.2 |
19.54 ± 0.71 |
0.86 ± 0.04 |
RH8 |
42.2 ± 1.9 |
8.8 ± 0.2 |
14.6 ± 0.5 |
51.5 ± 1.2 |
4.81 ± 0.19 |
0.82 ± 0.04 |
RH9 |
39.2 ± 1.9 |
11.9 ± 0.2 |
19.5 ± 0.7 |
50.9 ± 1.2 |
3.30 ± 0.14 |
0.77 ± 0.04 |
RH10 |
39.3 ± 1.9 |
11.7 ± 0.2 |
19.3 ± 0.7 |
50.9 ± 1.2 |
3.35 ± 0.14 |
0.77 ± 0.04 |
Average |
41.5 |
6.5 |
10.8 |
51.6 |
26.3 |
0.8 |
Median |
44.5 |
8.8 |
14.6 |
52.2 |
17.5 |
0.9 |
Deviation |
4.3 |
5.1 |
8.4 |
0.7 |
47.0 |
0.1 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00202.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00202.png)
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Velocity
![V](wi_selv_00202.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_00202.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00202.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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