Database: Wind Shock Analysis
Event ID: 20123051428
Observation time: 10/31/2012 305.60304 1428 [UT]
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General
Information (About, Top)
Year |
2012 |
Fractional day of year |
305.603038 |
Arrival time of shock [seconds of day] |
52102.5 ± 20.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
257.881 |
Y GSE location of spacecraft [Re] |
-5.997 |
Z GSE location of spacecraft [Re] |
22.528 |
Upstream plasma points selected for analysis |
0004 |
Upstream field points selected for analysis |
0103 |
Downstream plasma points selected for analysis |
0005
|
Downstream field points selected for analysis |
0154 |
Minimum chisq/dof for RH8,RH9,RH10 |
2.99, 31.05, 40.19 |
Event added to database
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Tue Oct 8 15:59:59 2013
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Event last processed
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Tue Oct 8 17:37:30 2013
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Method selected
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RH08
|
Propagation delay to Earth [minutes]
|
70.510 ± 0.264
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-292.7 ± 1.2 |
-348.8 ± 1.7 |
Vy GSE [km/s] |
4.3 ± 1.0 |
10.7 ± 4.4 |
Vz GSE [km/s] |
-1.6 ± 1.0 |
-2.8 ± 2.6 |
Wi [km/s] |
23.2 ± 1.6 |
33.8 ± 1.6 |
We [km/s] |
732.8 ± 49.3 |
1067.6 ± 49.1 |
Ni [n/cc] |
11.9 ± 0.5 |
27.8 ± 1.0 |
Bx GSE [nT] |
0.2 ± 0.1 |
-0.2 ± 0.3 |
By GSE [nT] |
-3.2 ± 0.1 |
-8.0 ± 1.0 |
Bz GSE [nT] |
2.0 ± 0.5 |
2.7 ± 2.3 |
Plasma Beta
|
0.946 ± 0.943
|
0.888 ± 0.891
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Sound Speed [km/s]
|
29.92 ± 2.01
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43.59 ± 2.00
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Alfven Speed [km/s]
|
23.96 ± 0.82
|
36.16 ± 2.72
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.772 ± 0.478 |
0.216 ± 0.665 |
-0.597 ± 0.513 |
-36.68 ± 44.01 |
164.40 ± 48.44 |
VC |
-0.993 ± 0.008 |
0.112 ± 0.070 |
-0.023 ± 0.023 |
-1.32 ± 2.61 |
173.57 ± 4.05 |
MX1 |
-0.998 ± 0.005 |
0.059 ± 0.078 |
0.011 ± 0.011 |
0.62 ± 4.96 |
176.63 ± 4.47 |
MX2 |
-0.997 ± 0.004 |
0.077 ± 0.055 |
-0.024 ± 0.024 |
-1.38 ± 3.15 |
175.59 ± 3.16 |
MX3 |
-0.996 ± 0.005 |
0.081 ± 0.052 |
-0.035 ± 0.035 |
-1.98 ± 3.18 |
175.33 ± 2.99 |
RH08 |
-0.998 ± 0.002 |
0.061 ± 0.023 |
-0.028 ± 0.028 |
-1.60 ± 1.15 |
176.49 ± 1.32 |
RH09 |
-0.711 ± 0.049 |
-0.081 ± 0.071 |
-0.698 ± 0.553 |
-44.29 ± 4.03 |
186.52 ± 5.69 |
RH10 |
-0.732 ± 0.047 |
-0.084 ± 0.069 |
-0.676 ± 0.547 |
-42.53 ± 3.99 |
186.52 ± 5.41 |
Average |
-0.900 |
0.055 |
-0.259 |
-16.145 |
176.881 |
Median |
-0.993 |
0.077 |
-0.028 |
-1.601 |
176.490 |
Deviation |
0.134 |
0.099 |
0.331 |
20.844 |
7.139 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
58.2 ± 4.3 |
307.1 ± 0.7 |
2.33 ± 0.16 |
VC |
81.5 ± 1.8 |
390.0 ± 1.2 |
2.33 ± 0.16 |
MX1 |
85.1 ± 1.8 |
390.6 ± 1.2 |
2.33 ± 0.16 |
MX2 |
83.2 ± 1.9 |
390.5 ± 1.2 |
2.33 ± 0.16 |
MX3 |
82.6 ± 1.9 |
390.4 ± 1.2 |
2.33 ± 0.16 |
RH08 |
83.8 ± 1.9 |
390.6 ± 1.2 |
2.33 ± 0.16 |
RH09 |
71.0 ± 5.4 |
279.5 ± 0.7 |
2.33 ± 0.16 |
RH10 |
71.8 ± 5.3 |
287.4 ± 3.0 |
2.33 ± 0.16 |
Average |
77.1 |
353.3 |
2.33 |
Median |
82.6 |
390.4 |
2.33 |
Deviation |
9.4 |
51.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
79.1 ± 0.8 |
10.2 ± 0.2 |
12.6 ± 0.4 |
37.0 ± 1.4 |
7.76 ± 0.22 |
2.14 ± 0.10 |
VC |
98.7 ± 1.3 |
2.8 ± 0.1 |
3.5 ± 0.1 |
38.3 ± 1.4 |
35.64 ± 1.17 |
2.58 ± 0.12 |
MX1 |
98.2 ± 1.3 |
1.6 ± 0.0 |
2.0 ± 0.1 |
38.3 ± 1.4 |
61.54 ± 2.02 |
2.56 ± 0.11 |
MX2 |
98.4 ± 1.3 |
2.2 ± 0.0 |
2.9 ± 0.1 |
38.3 ± 1.4 |
44.24 ± 1.44 |
2.57 ± 0.11 |
MX3 |
98.4 ± 1.3 |
2.4 ± 0.0 |
3.1 ± 0.1 |
38.3 ± 1.4 |
41.05 ± 1.34 |
2.57 ± 0.11 |
RH8 |
98.2 ± 1.3 |
2.0 ± 0.0 |
2.6 ± 0.1 |
38.3 ± 1.4 |
48.77 ± 1.59 |
2.57 ± 0.11 |
RH9 |
70.5 ± 0.5 |
6.2 ± 0.1 |
7.8 ± 0.3 |
37.9 ± 1.4 |
11.45 ± 0.29 |
1.87 ± 0.08 |
RH10 |
72.3 ± 0.5 |
5.9 ± 0.1 |
7.5 ± 0.3 |
37.9 ± 1.4 |
12.23 ± 0.32 |
1.91 ± 0.08 |
Average |
89.2 |
4.2 |
5.3 |
38.0 |
32.8 |
2.3 |
Median |
98.2 |
2.8 |
3.5 |
38.3 |
41.1 |
2.6 |
Deviation |
12.8 |
3.0 |
3.7 |
0.5 |
20.0 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
33.7 ± 1.0 |
15.2 ± 0.6 |
19.1 ± 1.4 |
54.6 ± 1.8 |
2.22 ± 0.07 |
0.62 ± 0.01 |
VC |
42.2 ± 1.7 |
4.1 ± 0.2 |
5.4 ± 0.4 |
56.5 ± 1.9 |
10.27 ± 0.66 |
0.75 ± 0.04 |
MX1 |
41.9 ± 1.7 |
2.4 ± 0.1 |
3.1 ± 0.2 |
56.6 ± 1.9 |
17.67 ± 1.17 |
0.74 ± 0.04 |
MX2 |
42.0 ± 1.7 |
3.3 ± 0.1 |
4.3 ± 0.3 |
56.6 ± 1.9 |
12.71 ± 0.82 |
0.74 ± 0.04 |
MX3 |
42.0 ± 1.7 |
3.6 ± 0.1 |
4.6 ± 0.3 |
56.6 ± 1.9 |
11.80 ± 0.75 |
0.74 ± 0.04 |
RH8 |
41.9 ± 1.6 |
3.0 ± 0.1 |
3.9 ± 0.3 |
56.6 ± 1.9 |
14.00 ± 0.90 |
0.74 ± 0.04 |
RH9 |
30.3 ± 1.4 |
9.2 ± 0.4 |
11.8 ± 0.9 |
55.9 ± 1.8 |
3.31 ± 0.19 |
0.54 ± 0.03 |
RH10 |
31.0 ± 1.4 |
8.8 ± 0.3 |
11.3 ± 0.9 |
56.0 ± 1.8 |
3.53 ± 0.20 |
0.55 ± 0.03 |
Average |
38.1 |
6.2 |
7.9 |
56.2 |
9.4 |
0.7 |
Median |
41.9 |
4.1 |
5.4 |
56.6 |
11.8 |
0.7 |
Deviation |
5.4 |
4.5 |
5.6 |
0.7 |
5.7 |
0.1 |
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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