Database: Wind Shock Analysis
Event ID: 20012811305
Observation time: 10/08/2001 281.54543 1305 [UT]
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General
Information (About, Top)
Year |
2001 |
Fractional day of year |
281.545434 |
Arrival time of shock [seconds of day] |
47125.5 ± 3.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
41.517 |
Y GSE location of spacecraft [Re] |
-61.533 |
Z GSE location of spacecraft [Re] |
5.314 |
Upstream plasma points selected for analysis |
0007 |
Upstream field points selected for analysis |
0235 |
Downstream plasma points selected for analysis |
0005
|
Downstream field points selected for analysis |
0177 |
Minimum chisq/dof for RH8,RH9,RH10 |
23.24, 48.48, 51.33 |
Event added to database
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Mon Feb 14 11:15:42 2005
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Event last processed
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Mon Mar 30 21:43:35 2009
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
2.055 ± 0.319
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-365.6 ± 1.8 |
-387.8 ± 3.6 |
Vy GSE [km/s] |
2.0 ± 3.4 |
-4.6 ± 2.8 |
Vz GSE [km/s] |
-11.0 ± 2.1 |
-12.2 ± 1.5 |
Wi [km/s] |
34.0 ± 1.7 |
38.4 ± 1.8 |
We [km/s] |
1076.0 ± 52.3 |
1215.3 ± 57.2 |
Ni [n/cc] |
8.8 ± 0.6 |
13.6 ± 1.2 |
Bx GSE [nT] |
-3.8 ± 0.2 |
-6.0 ± 0.4 |
By GSE [nT] |
8.3 ± 0.1 |
11.6 ± 0.3 |
Bz GSE [nT] |
1.6 ± 0.4 |
1.1 ± 0.5 |
Plasma Beta
|
0.251 ± 0.237
|
0.248 ± 0.262
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Sound Speed [km/s]
|
43.93 ± 2.13
|
49.61 ± 2.34
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Alfven Speed [km/s]
|
68.41 ± 3.02
|
77.85 ± 4.96
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.715 ± 0.542 |
-0.492 ± 0.633 |
-0.497 ± 0.451 |
-29.78 ± 51.16 |
214.57 ± 46.56 |
VC |
-0.958 ± 0.049 |
-0.281 ± 0.165 |
-0.057 ± 0.057 |
-3.27 ± 6.26 |
196.35 ± 9.89 |
MX1 |
-0.831 ± 0.058 |
-0.545 ± 0.087 |
-0.109 ± 0.109 |
-6.28 ± 5.97 |
213.25 ± 5.97 |
MX2 |
-0.837 ± 0.060 |
-0.541 ± 0.092 |
-0.084 ± 0.084 |
-4.84 ± 6.98 |
212.91 ± 6.26 |
MX3 |
-0.846 ± 0.064 |
-0.533 ± 0.101 |
-0.031 ± 0.031 |
-1.78 ± 9.29 |
212.21 ± 6.85 |
RH08 |
-0.867 ± 0.008 |
-0.472 ± 0.012 |
-0.162 ± 0.161 |
-9.32 ± 1.68 |
208.58 ± 0.81 |
RH09 |
-0.933 ± 0.025 |
-0.350 ± 0.065 |
-0.084 ± 0.084 |
-4.81 ± 4.02 |
200.56 ± 3.99 |
RH10 |
-0.946 ± 0.022 |
-0.317 ± 0.065 |
-0.073 ± 0.072 |
-4.16 ± 4.03 |
198.55 ± 3.95 |
Average |
-0.866 |
-0.442 |
-0.137 |
-8.028 |
207.123 |
Median |
-0.846 |
-0.472 |
-0.084 |
-4.807 |
212.212 |
Deviation |
0.080 |
0.108 |
0.150 |
9.063 |
7.436 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
76.5 ± 1.3 |
321.9 ± 21.0 |
1.61 ± 0.19 |
VC |
82.3 ± 1.1 |
419.4 ± 21.0 |
1.61 ± 0.19 |
MX1 |
80.6 ± 1.2 |
367.0 ± 22.9 |
1.61 ± 0.19 |
MX2 |
81.1 ± 1.2 |
368.9 ± 22.9 |
1.61 ± 0.19 |
MX3 |
82.3 ± 1.2 |
372.0 ± 22.8 |
1.61 ± 0.19 |
RH08 |
84.6 ± 1.1 |
382.1 ± 22.5 |
1.61 ± 0.19 |
RH09 |
86.7 ± 1.1 |
409.3 ± 21.7 |
1.61 ± 0.19 |
RH10 |
84.7 ± 1.1 |
414.4 ± 21.4 |
1.61 ± 0.19 |
Average |
82.4 |
381.9 |
1.61 |
Median |
82.3 |
382.1 |
1.61 |
Deviation |
3.1 |
32.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
56.1 ± 2.3 |
8.7 ± 0.2 |
16.0 ± 0.7 |
80.9 ± 1.6 |
6.48 ± 0.24 |
0.69 ± 0.04 |
VC |
69.1 ± 1.8 |
4.9 ± 0.1 |
9.1 ± 0.4 |
81.2 ± 1.6 |
14.05 ± 0.49 |
0.85 ± 0.03 |
MX1 |
62.9 ± 2.1 |
6.1 ± 0.1 |
11.2 ± 0.5 |
81.1 ± 1.6 |
10.37 ± 0.33 |
0.78 ± 0.04 |
MX2 |
63.2 ± 2.1 |
5.7 ± 0.1 |
10.5 ± 0.5 |
81.2 ± 1.6 |
11.08 ± 0.36 |
0.78 ± 0.04 |
MX3 |
63.5 ± 2.1 |
4.9 ± 0.1 |
9.1 ± 0.4 |
81.2 ± 1.6 |
12.89 ± 0.41 |
0.78 ± 0.04 |
RH8 |
64.5 ± 2.0 |
3.5 ± 0.1 |
6.4 ± 0.3 |
81.3 ± 1.6 |
18.66 ± 0.61 |
0.79 ± 0.04 |
RH9 |
67.9 ± 1.8 |
2.1 ± 0.0 |
3.9 ± 0.2 |
81.3 ± 1.6 |
32.49 ± 1.09 |
0.84 ± 0.03 |
RH10 |
68.5 ± 1.8 |
3.4 ± 0.1 |
6.4 ± 0.3 |
81.3 ± 1.6 |
19.99 ± 0.68 |
0.84 ± 0.03 |
Average |
64.5 |
4.9 |
9.1 |
81.2 |
15.8 |
0.8 |
Median |
64.5 |
4.9 |
9.1 |
81.2 |
14.0 |
0.8 |
Deviation |
4.2 |
2.0 |
3.7 |
0.1 |
8.1 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
36.4 ± 2.8 |
9.8 ± 0.3 |
18.2 ± 1.2 |
91.9 ± 3.5 |
3.72 ± 0.24 |
0.40 ± 0.04 |
VC |
46.0 ± 3.6 |
5.6 ± 0.1 |
10.4 ± 0.7 |
92.2 ± 3.5 |
8.26 ± 0.61 |
0.50 ± 0.05 |
MX1 |
40.8 ± 3.5 |
6.9 ± 0.2 |
12.8 ± 0.8 |
92.1 ± 3.5 |
5.95 ± 0.45 |
0.44 ± 0.04 |
MX2 |
41.0 ± 3.5 |
6.5 ± 0.2 |
12.0 ± 0.8 |
92.2 ± 3.5 |
6.36 ± 0.49 |
0.45 ± 0.05 |
MX3 |
41.3 ± 3.6 |
5.6 ± 0.1 |
10.4 ± 0.7 |
92.2 ± 3.5 |
7.40 ± 0.58 |
0.45 ± 0.05 |
RH8 |
42.0 ± 3.5 |
3.9 ± 0.1 |
7.3 ± 0.5 |
92.3 ± 3.5 |
10.74 ± 0.80 |
0.46 ± 0.04 |
RH9 |
44.9 ± 3.6 |
2.4 ± 0.1 |
4.4 ± 0.3 |
92.4 ± 3.5 |
18.96 ± 1.41 |
0.49 ± 0.05 |
RH10 |
45.4 ± 3.6 |
3.9 ± 0.1 |
7.2 ± 0.5 |
92.3 ± 3.5 |
11.71 ± 0.87 |
0.49 ± 0.05 |
Average |
42.2 |
5.6 |
10.3 |
92.2 |
9.1 |
0.5 |
Median |
42.0 |
5.6 |
10.4 |
92.2 |
8.3 |
0.5 |
Deviation |
3.2 |
2.3 |
4.2 |
0.2 |
4.7 |
0.0 |
Survey interval (About, Top)
Selected
data (About, Top)
Key plasma parameters
|
Velocity
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Magnetic Field
|
Simple
Methods
(About, Top)
Rankine Chi^2
Contour (About, Top)
Shock
Speed (About, Top)
Theta Bn (About, Top)
Mach Numbers (About, Top)
Page updated Fri Jun 13 11:06:02 2014
Michael L Stevens
(mstevens@cfa.harvard.edu)
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