Database: Wind Shock Analysis
Event ID: 20010310835
Observation time: 01/31/2001 31.35786 0835 [UT]
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
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General
Information (About, Top)
Year |
2001 |
Fractional day of year |
31.357865 |
Arrival time of shock [seconds of day] |
30919.5 ± 6.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
-20.919 |
Y GSE location of spacecraft [Re] |
196.093 |
Z GSE location of spacecraft [Re] |
-12.890 |
Upstream plasma points selected for analysis |
0009 |
Upstream field points selected for analysis |
0283 |
Downstream plasma points selected for analysis |
0008
|
Downstream field points selected for analysis |
0252 |
Minimum chisq/dof for RH8,RH9,RH10 |
15.27, 48.23, 49.99 |
Event added to database
|
Mon Feb 14 11:12:21 2005
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Event last processed
|
Mon Mar 30 20:27:57 2009
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
-21.968 ± 2.983
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-350.7 ± 3.2 |
-418.8 ± 3.9 |
Vy GSE [km/s] |
16.6 ± 2.2 |
78.5 ± 9.6 |
Vz GSE [km/s] |
4.4 ± 2.6 |
51.6 ± 2.8 |
Wi [km/s] |
25.8 ± 4.0 |
37.9 ± 2.0 |
We [km/s] |
816.3 ± 125.8 |
1198.8 ± 63.6 |
Ni [n/cc] |
6.7 ± 0.6 |
15.0 ± 1.3 |
Bx GSE [nT] |
-5.1 ± 0.1 |
-10.0 ± 0.8 |
By GSE [nT] |
0.3 ± 0.3 |
-5.0 ± 1.0 |
Bz GSE [nT] |
-1.8 ± 0.3 |
-8.3 ± 0.8 |
Plasma Beta
|
0.331 ± 0.308
|
0.234 ± 0.237
|
Sound Speed [km/s]
|
33.33 ± 5.14
|
48.94 ± 2.60
|
Alfven Speed [km/s]
|
45.49 ± 2.24
|
79.10 ± 5.89
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.808 ± 0.059 |
0.569 ± 0.083 |
0.150 ± 0.149 |
8.62 ± 4.46 |
144.85 ± 5.90 |
VC |
-0.661 ± 0.044 |
0.595 ± 0.048 |
0.457 ± 0.423 |
27.22 ± 2.62 |
137.98 ± 3.99 |
MX1 |
-0.839 ± 0.035 |
0.483 ± 0.039 |
0.249 ± 0.244 |
14.43 ± 7.47 |
150.08 ± 2.43 |
MX2 |
-0.843 ± 0.037 |
0.467 ± 0.043 |
0.266 ± 0.260 |
15.45 ± 7.29 |
151.03 ± 2.69 |
MX3 |
-0.845 ± 0.038 |
0.459 ± 0.045 |
0.274 ± 0.267 |
15.93 ± 7.23 |
151.49 ± 2.85 |
RH08 |
-0.837 ± 0.018 |
0.437 ± 0.030 |
0.330 ± 0.317 |
19.25 ± 2.00 |
152.42 ± 2.00 |
RH09 |
-0.978 ± 0.015 |
0.147 ± 0.069 |
0.151 ± 0.150 |
8.68 ± 4.03 |
171.48 ± 4.07 |
RH10 |
-0.980 ± 0.014 |
0.129 ± 0.070 |
0.151 ± 0.150 |
8.68 ± 4.03 |
172.48 ± 4.07 |
Average |
-0.849 |
0.411 |
0.254 |
14.781 |
153.976 |
Median |
-0.839 |
0.467 |
0.266 |
15.445 |
151.489 |
Deviation |
0.101 |
0.177 |
0.107 |
6.427 |
12.072 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
41.8 ± 4.2 |
471.4 ± 16.4 |
2.26 ± 0.17 |
VC |
59.6 ± 4.1 |
433.1 ± 16.4 |
2.26 ± 0.17 |
MX1 |
42.6 ± 4.1 |
484.6 ± 16.3 |
2.26 ± 0.17 |
MX2 |
42.8 ± 4.1 |
486.5 ± 16.2 |
2.26 ± 0.17 |
MX3 |
42.9 ± 4.1 |
487.3 ± 16.2 |
2.26 ± 0.17 |
RH08 |
45.2 ± 4.0 |
485.0 ± 16.1 |
2.26 ± 0.17 |
RH09 |
28.5 ± 3.1 |
499.1 ± 14.3 |
2.26 ± 0.17 |
RH10 |
28.4 ± 3.0 |
497.9 ± 14.2 |
2.26 ± 0.17 |
Average |
41.5 |
480.6 |
2.26 |
Median |
42.8 |
486.5 |
2.26 |
Deviation |
9.9 |
21.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
177.8 ± 3.0 |
21.5 ± 2.4 |
33.9 ± 1.7 |
52.3 ± 2.9 |
8.36 ± 1.02 |
3.41 ± 0.24 |
VC |
189.5 ± 3.2 |
13.9 ± 1.5 |
23.0 ± 1.1 |
54.8 ± 3.2 |
13.75 ± 1.59 |
3.47 ± 0.24 |
MX1 |
181.1 ± 3.2 |
21.2 ± 2.4 |
33.5 ± 1.7 |
52.4 ± 3.0 |
8.64 ± 1.06 |
3.47 ± 0.24 |
MX2 |
181.8 ± 3.2 |
21.1 ± 2.3 |
33.4 ± 1.6 |
52.4 ± 3.0 |
8.72 ± 1.07 |
3.48 ± 0.24 |
MX3 |
182.2 ± 3.3 |
21.1 ± 2.3 |
33.3 ± 1.6 |
52.5 ± 3.0 |
8.76 ± 1.08 |
3.48 ± 0.24 |
RH8 |
182.9 ± 3.3 |
20.1 ± 2.2 |
32.1 ± 1.6 |
52.8 ± 3.0 |
9.19 ± 1.12 |
3.47 ± 0.24 |
RH9 |
153.2 ± 3.4 |
26.6 ± 3.2 |
40.0 ± 2.0 |
49.8 ± 2.6 |
5.84 ± 0.80 |
3.08 ± 0.22 |
RH10 |
151.4 ± 3.4 |
26.7 ± 3.2 |
40.0 ± 2.0 |
49.8 ± 2.6 |
5.76 ± 0.79 |
3.05 ± 0.22 |
Average |
175.0 |
21.5 |
33.6 |
52.1 |
8.6 |
3.4 |
Median |
181.8 |
21.2 |
33.5 |
52.4 |
8.7 |
3.5 |
Deviation |
14.4 |
4.0 |
5.3 |
1.6 |
2.5 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
80.5 ± 8.0 |
33.1 ± 1.4 |
59.0 ± 4.4 |
87.0 ± 5.0 |
2.44 ± 0.34 |
0.93 ± 0.10 |
VC |
86.1 ± 8.0 |
21.6 ± 0.9 |
40.0 ± 3.0 |
90.6 ± 4.9 |
4.00 ± 0.51 |
0.95 ± 0.09 |
MX1 |
82.3 ± 7.4 |
32.7 ± 1.4 |
58.3 ± 4.3 |
87.2 ± 5.0 |
2.53 ± 0.33 |
0.95 ± 0.09 |
MX2 |
82.9 ± 7.3 |
32.5 ± 1.4 |
58.0 ± 4.3 |
87.2 ± 5.0 |
2.56 ± 0.33 |
0.95 ± 0.09 |
MX3 |
83.2 ± 7.2 |
32.4 ± 1.4 |
57.9 ± 4.3 |
87.3 ± 5.0 |
2.58 ± 0.32 |
0.96 ± 0.09 |
RH8 |
83.3 ± 7.0 |
31.0 ± 1.3 |
55.8 ± 4.2 |
87.8 ± 5.0 |
2.69 ± 0.33 |
0.95 ± 0.09 |
RH9 |
70.4 ± 4.9 |
40.6 ± 1.9 |
69.5 ± 5.2 |
83.8 ± 5.2 |
1.74 ± 0.20 |
0.84 ± 0.07 |
RH10 |
69.6 ± 4.8 |
40.6 ± 1.9 |
69.6 ± 5.2 |
83.7 ± 5.3 |
1.72 ± 0.19 |
0.83 ± 0.07 |
Average |
79.8 |
33.1 |
58.5 |
86.8 |
2.5 |
0.9 |
Median |
82.9 |
32.7 |
58.3 |
87.2 |
2.6 |
1.0 |
Deviation |
6.2 |
6.0 |
9.2 |
2.2 |
0.7 |
0.1 |
Survey interval (About, Top)

Selected
data (About, Top)
Key plasma parameters

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Velocity
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Magnetic Field
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Simple
Methods
(About, Top)
Rankine Chi^2
Contour (About, Top)
Shock
Speed (About, Top)

Theta Bn (About, Top)
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Mach Numbers (About, Top)
Page updated Fri Jun 13 11:06:02 2014
Michael L Stevens
(mstevens@cfa.harvard.edu)
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