Database: Wind Shock Analysis
Event ID: 20092461458
Observation time: 09/03/2009 246.62384 1458 [UT]
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General
Information (About, Top)
Year |
2009 |
Fractional day of year |
246.623837 |
Arrival time of shock [seconds of day] |
53899.5 ± 40.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
199.744 |
Y GSE location of spacecraft [Re] |
5.753 |
Z GSE location of spacecraft [Re] |
-20.678 |
Upstream plasma points selected for analysis |
0005 |
Upstream field points selected for analysis |
0177 |
Downstream plasma points selected for analysis |
0003
|
Downstream field points selected for analysis |
0121 |
Minimum chisq/dof for RH8,RH9,RH10 |
21.32, 57.86, 90.60 |
Event added to database
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Wed Sep 25 10:15:16 2013
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Event last processed
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Wed Sep 25 10:56:52 2013
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Method selected
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RH08
|
Propagation delay to Earth [minutes]
|
51.202 ± 2.255
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-330.1 ± 1.5 |
-369.1 ± 2.0 |
Vy GSE [km/s] |
-4.5 ± 1.9 |
-18.5 ± 1.2 |
Vz GSE [km/s] |
-2.6 ± 1.2 |
19.8 ± 1.1 |
Wi [km/s] |
19.5 ± 0.9 |
24.5 ± 1.9 |
We [km/s] |
618.1 ± 29.9 |
775.4 ± 59.1 |
Ni [n/cc] |
5.2 ± 0.2 |
11.1 ± 1.1 |
Bx GSE [nT] |
1.8 ± 0.1 |
2.5 ± 0.4 |
By GSE [nT] |
-1.1 ± 0.2 |
-3.3 ± 0.4 |
Bz GSE [nT] |
0.3 ± 0.2 |
2.5 ± 0.4 |
Plasma Beta
|
0.910 ± 0.862
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0.614 ± 0.700
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Sound Speed [km/s]
|
25.24 ± 1.22
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31.65 ± 2.41
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Alfven Speed [km/s]
|
20.59 ± 0.79
|
31.75 ± 2.78
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.924 ± 0.064 |
0.119 ± 0.204 |
0.363 ± 0.347 |
21.31 ± 9.29 |
172.67 ± 12.65 |
VC |
-0.828 ± 0.023 |
-0.296 ± 0.029 |
0.476 ± 0.436 |
28.41 ± 2.72 |
199.66 ± 1.93 |
MX1 |
-0.955 ± 0.030 |
-0.009 ± 0.108 |
0.296 ± 0.287 |
17.23 ± 5.79 |
180.55 ± 6.47 |
MX2 |
-0.961 ± 0.029 |
-0.047 ± 0.078 |
0.272 ± 0.265 |
15.78 ± 6.01 |
182.79 ± 4.68 |
MX3 |
-0.964 ± 0.030 |
-0.069 ± 0.068 |
0.256 ± 0.251 |
14.85 ± 6.57 |
184.11 ± 4.03 |
RH08 |
-0.959 ± 0.006 |
-0.110 ± 0.021 |
0.263 ± 0.256 |
15.22 ± 1.27 |
186.52 ± 1.26 |
RH09 |
-0.410 ± 0.063 |
0.600 ± 0.055 |
0.687 ± 0.550 |
43.40 ± 3.88 |
124.35 ± 5.52 |
RH10 |
-0.372 ± 0.066 |
0.611 ± 0.056 |
0.698 ± 0.553 |
44.29 ± 4.03 |
121.34 ± 5.69 |
Average |
-0.797 |
0.100 |
0.414 |
25.064 |
168.997 |
Median |
-0.924 |
-0.009 |
0.363 |
21.315 |
182.795 |
Deviation |
0.254 |
0.333 |
0.187 |
12.422 |
29.466 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
38.3 ± 3.5 |
385.3 ± 1.3 |
2.20 ± 0.30 |
VC |
61.6 ± 3.9 |
364.2 ± 1.5 |
2.20 ± 0.30 |
MX1 |
41.0 ± 3.7 |
399.4 ± 1.4 |
2.20 ± 0.30 |
MX2 |
42.0 ± 3.8 |
402.0 ± 1.4 |
2.20 ± 0.30 |
MX3 |
42.5 ± 4.0 |
403.2 ± 1.4 |
2.20 ± 0.30 |
RH08 |
44.7 ± 4.0 |
402.6 ± 1.4 |
2.20 ± 0.30 |
RH09 |
56.1 ± 6.9 |
173.8 ± 0.9 |
2.20 ± 0.30 |
RH10 |
58.0 ± 7.0 |
158.8 ± 3.2 |
2.20 ± 0.30 |
Average |
48.0 |
336.2 |
2.20 |
Median |
44.7 |
399.4 |
2.20 |
Deviation |
9.0 |
105.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
81.8 ± 1.2 |
13.8 ± 0.3 |
16.1 ± 0.6 |
29.5 ± 0.8 |
5.93 ± 0.14 |
2.77 ± 0.10 |
VC |
90.7 ± 1.7 |
7.8 ± 0.2 |
9.8 ± 0.4 |
31.6 ± 0.8 |
11.63 ± 0.31 |
2.87 ± 0.10 |
MX1 |
84.9 ± 1.4 |
13.1 ± 0.3 |
15.5 ± 0.6 |
29.8 ± 0.8 |
6.47 ± 0.16 |
2.85 ± 0.10 |
MX2 |
85.2 ± 1.5 |
12.9 ± 0.3 |
15.3 ± 0.6 |
29.9 ± 0.8 |
6.61 ± 0.17 |
2.85 ± 0.10 |
MX3 |
85.3 ± 1.5 |
12.8 ± 0.3 |
15.2 ± 0.6 |
30.0 ± 0.8 |
6.69 ± 0.17 |
2.85 ± 0.10 |
RH8 |
86.3 ± 1.6 |
12.2 ± 0.3 |
14.6 ± 0.6 |
30.2 ± 0.8 |
7.07 ± 0.18 |
2.86 ± 0.10 |
RH9 |
43.0 ± 1.3 |
9.3 ± 0.2 |
11.5 ± 0.4 |
31.2 ± 0.8 |
4.65 ± 0.17 |
1.38 ± 0.07 |
RH10 |
40.5 ± 1.3 |
8.8 ± 0.2 |
10.9 ± 0.4 |
31.4 ± 0.8 |
4.62 ± 0.19 |
1.29 ± 0.07 |
Average |
74.7 |
11.3 |
13.6 |
30.5 |
6.7 |
2.5 |
Median |
85.2 |
12.8 |
15.2 |
30.2 |
6.6 |
2.8 |
Deviation |
20.5 |
2.3 |
2.5 |
0.8 |
2.2 |
0.7 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
39.3 ± 1.5 |
19.4 ± 0.7 |
24.9 ± 2.2 |
40.5 ± 1.4 |
2.03 ± 0.09 |
0.97 ± 0.04 |
VC |
43.7 ± 1.5 |
10.9 ± 0.4 |
15.1 ± 1.3 |
43.6 ± 1.5 |
4.00 ± 0.14 |
1.00 ± 0.03 |
MX1 |
40.9 ± 1.7 |
18.4 ± 0.6 |
24.0 ± 2.1 |
41.0 ± 1.4 |
2.22 ± 0.10 |
1.00 ± 0.03 |
MX2 |
41.0 ± 1.7 |
18.1 ± 0.6 |
23.6 ± 2.1 |
41.1 ± 1.4 |
2.27 ± 0.10 |
1.00 ± 0.03 |
MX3 |
41.0 ± 1.8 |
17.9 ± 0.6 |
23.4 ± 2.0 |
41.2 ± 1.4 |
2.29 ± 0.10 |
1.00 ± 0.03 |
RH8 |
41.5 ± 1.8 |
17.1 ± 0.6 |
22.6 ± 2.0 |
41.5 ± 1.4 |
2.42 ± 0.10 |
1.00 ± 0.03 |
RH9 |
20.1 ± 1.1 |
13.0 ± 0.4 |
17.7 ± 1.5 |
43.0 ± 1.5 |
1.55 ± 0.13 |
0.47 ± 0.04 |
RH10 |
18.9 ± 1.1 |
12.3 ± 0.4 |
16.8 ± 1.5 |
43.2 ± 1.5 |
1.54 ± 0.14 |
0.44 ± 0.04 |
Average |
35.8 |
15.9 |
21.0 |
41.9 |
2.3 |
0.9 |
Median |
41.0 |
17.9 |
23.4 |
41.5 |
2.3 |
1.0 |
Deviation |
10.1 |
3.3 |
3.8 |
1.2 |
0.8 |
0.3 |
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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