Database: Wind Shock Analysis
Event ID: 20100822229
Observation time: 03/23/2010 82.93682 2229 [UT]
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General
Information (About, Top)
Year |
2010 |
Fractional day of year |
82.936823 |
Arrival time of shock [seconds of day] |
80941.5 ± 20.0 |
Shock type |
SF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
206.324 |
Y GSE location of spacecraft [Re] |
85.829 |
Z GSE location of spacecraft [Re] |
-8.713 |
Upstream plasma points selected for analysis |
0007 |
Upstream field points selected for analysis |
0227 |
Downstream plasma points selected for analysis |
0008
|
Downstream field points selected for analysis |
0260 |
Minimum chisq/dof for RH8,RH9,RH10 |
4.08, 7.95, 8.45 |
Event added to database
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Wed Sep 25 08:31:24 2013
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Event last processed
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Wed Sep 25 09:37:57 2013
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
87.165 ± 21.031
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-282.4 ± 0.7 |
-290.0 ± 0.3 |
Vy GSE [km/s] |
-3.6 ± 1.1 |
-5.7 ± 1.0 |
Vz GSE [km/s] |
-3.4 ± 1.0 |
-11.5 ± 0.9 |
Wi [km/s] |
13.6 ± 0.2 |
12.2 ± 0.6 |
We [km/s] |
429.1 ± 7.6 |
384.9 ± 18.3 |
Ni [n/cc] |
8.2 ± 0.1 |
6.8 ± 0.2 |
Bx GSE [nT] |
-1.8 ± 0.2 |
-0.2 ± 0.1 |
By GSE [nT] |
0.6 ± 0.3 |
3.6 ± 0.1 |
Bz GSE [nT] |
-1.5 ± 0.3 |
0.7 ± 0.1 |
Plasma Beta
|
0.554 ± 0.509
|
0.161 ± 0.166
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Sound Speed [km/s]
|
17.52 ± 0.31
|
15.72 ± 0.75
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Alfven Speed [km/s]
|
18.53 ± 1.66
|
30.44 ± 0.92
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.632 ± 0.037 |
0.653 ± 0.036 |
-0.417 ± 0.391 |
-24.66 ± 1.94 |
134.06 ± 3.15 |
VC |
-0.685 ± 0.069 |
-0.182 ± 0.112 |
-0.706 ± 0.555 |
-44.90 ± 5.20 |
194.87 ± 9.23 |
MX1 |
-0.641 ± 0.053 |
0.651 ± 0.053 |
-0.406 ± 0.382 |
-23.96 ± 4.10 |
134.57 ± 4.33 |
MX2 |
-0.619 ± 0.050 |
0.657 ± 0.048 |
-0.430 ± 0.401 |
-25.45 ± 3.35 |
133.31 ± 4.12 |
MX3 |
-0.604 ± 0.071 |
0.662 ± 0.067 |
-0.443 ± 0.412 |
-26.30 ± 5.31 |
132.39 ± 5.64 |
RH08 |
-0.696 ± 0.024 |
-0.168 ± 0.025 |
0.698 ± 0.553 |
44.29 ± 2.00 |
193.54 ± 2.00 |
RH09 |
-0.696 ± 0.025 |
-0.168 ± 0.054 |
0.698 ± 0.553 |
44.29 ± 1.83 |
193.54 ± 4.41 |
RH10 |
-0.696 ± 0.026 |
-0.168 ± 0.058 |
0.698 ± 0.553 |
44.29 ± 1.89 |
193.54 ± 4.74 |
Average |
-0.659 |
0.242 |
-0.038 |
-1.548 |
163.728 |
Median |
-0.641 |
0.651 |
-0.406 |
-23.957 |
193.538 |
Deviation |
0.038 |
0.442 |
0.618 |
38.552 |
32.232 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
26.2 ± 9.7 |
143.6 ± 0.7 |
0.83 ± 0.03 |
VC |
26.9 ± 10.6 |
139.4 ± 1.8 |
0.83 ± 0.03 |
MX1 |
26.2 ± 10.0 |
146.3 ± 0.7 |
0.83 ± 0.03 |
MX2 |
26.4 ± 9.4 |
140.0 ± 0.7 |
0.83 ± 0.03 |
MX3 |
26.7 ± 9.1 |
135.8 ± 0.7 |
0.83 ± 0.03 |
RH08 |
88.0 ± 3.3 |
192.8 ± 0.8 |
0.83 ± 0.03 |
RH09 |
88.0 ± 3.3 |
192.8 ± 0.8 |
0.83 ± 0.03 |
RH10 |
88.0 ± 3.3 |
192.8 ± 5.7 |
0.83 ± 0.03 |
Average |
49.6 |
160.4 |
0.83 |
Median |
26.9 |
146.3 |
0.83 |
Deviation |
31.9 |
27.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
-34.0 ± 0.6 |
13.3 ± 0.6 |
16.6 ± 1.5 |
21.8 ± 0.8 |
-2.55 ± 0.13 |
-1.56 ± 0.06 |
VC |
-57.0 ± 0.9 |
13.2 ± 0.6 |
16.5 ± 1.5 |
21.8 ± 0.8 |
-4.32 ± 0.18 |
-2.61 ± 0.08 |
MX1 |
-33.9 ± 0.6 |
13.3 ± 0.6 |
16.6 ± 1.5 |
21.8 ± 0.8 |
-2.54 ± 0.13 |
-1.56 ± 0.06 |
MX2 |
-34.0 ± 0.6 |
13.3 ± 0.6 |
16.6 ± 1.5 |
21.8 ± 0.8 |
-2.56 ± 0.13 |
-1.56 ± 0.06 |
MX3 |
-34.0 ± 0.6 |
13.3 ± 0.6 |
16.6 ± 1.5 |
21.8 ± 0.8 |
-2.57 ± 0.13 |
-1.56 ± 0.06 |
RH8 |
-1.9 ± 0.9 |
0.4 ± 0.0 |
0.6 ± 0.1 |
25.5 ± 0.9 |
-4.35 ± 2.09 |
-0.07 ± 0.04 |
RH9 |
-1.9 ± 0.9 |
0.4 ± 0.0 |
0.6 ± 0.1 |
25.5 ± 0.9 |
-4.35 ± 2.09 |
-0.07 ± 0.04 |
RH10 |
-1.9 ± 0.9 |
0.4 ± 0.0 |
0.6 ± 0.1 |
25.5 ± 0.9 |
-4.35 ± 2.09 |
-0.07 ± 0.04 |
Average |
-24.8 |
8.5 |
10.6 |
23.2 |
-3.4 |
-1.1 |
Median |
-33.9 |
13.3 |
16.6 |
21.8 |
-2.6 |
-1.6 |
Deviation |
20.5 |
6.7 |
8.3 |
1.9 |
1.0 |
0.9 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
-40.8 ± 0.3 |
13.7 ± 0.6 |
27.3 ± 0.8 |
31.4 ± 0.8 |
-2.99 ± 0.14 |
-1.30 ± 0.03 |
VC |
-68.3 ± 0.8 |
13.6 ± 0.6 |
27.2 ± 0.8 |
31.5 ± 0.8 |
-5.05 ± 0.23 |
-2.17 ± 0.08 |
MX1 |
-40.7 ± 0.4 |
13.7 ± 0.6 |
27.3 ± 0.8 |
31.4 ± 0.8 |
-2.98 ± 0.14 |
-1.29 ± 0.03 |
MX2 |
-40.8 ± 0.3 |
13.6 ± 0.6 |
27.3 ± 0.8 |
31.4 ± 0.8 |
-3.00 ± 0.14 |
-1.30 ± 0.03 |
MX3 |
-40.8 ± 0.3 |
13.6 ± 0.6 |
27.2 ± 0.8 |
31.4 ± 0.8 |
-3.01 ± 0.14 |
-1.30 ± 0.03 |
RH8 |
-2.0 ± 0.5 |
0.5 ± 0.0 |
1.0 ± 0.0 |
34.3 ± 0.7 |
-4.09 ± 1.13 |
-0.06 ± 0.01 |
RH9 |
-2.0 ± 0.5 |
0.5 ± 0.0 |
1.0 ± 0.0 |
34.3 ± 0.7 |
-4.09 ± 1.13 |
-0.06 ± 0.01 |
RH10 |
-2.0 ± 0.5 |
0.5 ± 0.0 |
1.0 ± 0.0 |
34.3 ± 0.7 |
-4.09 ± 1.13 |
-0.06 ± 0.01 |
Average |
-29.7 |
8.7 |
17.4 |
32.5 |
-3.7 |
-0.9 |
Median |
-40.7 |
13.6 |
27.2 |
31.5 |
-3.0 |
-1.3 |
Deviation |
24.8 |
6.8 |
13.6 |
1.5 |
0.8 |
0.8 |
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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