Database: Wind Shock Analysis
Event ID: 20120720829
Observation time: 03/12/2012 72.35363 0829 [UT]
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General
Information (About, Top)
Year |
2012 |
Fractional day of year |
72.353628 |
Arrival time of shock [seconds of day] |
30553.5 ± 10.0 |
Shock type |
NN |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
213.260 |
Y GSE location of spacecraft [Re] |
96.520 |
Z GSE location of spacecraft [Re] |
-3.593 |
Upstream plasma points selected for analysis |
0002 |
Upstream field points selected for analysis |
0048 |
Downstream plasma points selected for analysis |
0001
|
Downstream field points selected for analysis |
0031 |
Minimum chisq/dof for RH8,RH9,RH10 |
-95.03, -81.67, -72.22 |
Event added to database
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Thu Sep 19 12:26:25 2013
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Event last processed
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Mon Oct 7 14:06:41 2013
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
0.020 ± 0.896
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-411.6 ± 5.3 |
-486.0 ± -486.0 |
Vy GSE [km/s] |
-14.8 ± 1.0 |
-83.3 ± -83.3 |
Vz GSE [km/s] |
-14.4 ± 12.5 |
-65.1 ± -65.1 |
Wi [km/s] |
40.8 ± 1.9 |
58.0 ± 58.0 |
We [km/s] |
1290.9 ± 61.6 |
1832.7 ± 1832.7 |
Ni [n/cc] |
9.1 ± 1.5 |
16.3 ± 16.3 |
Bx GSE [nT] |
-5.5 ± 1.5 |
-8.7 ± -8.7 |
By GSE [nT] |
6.7 ± 2.9 |
14.9 ± 14.9 |
Bz GSE [nT] |
3.5 ± 3.3 |
-8.7 ± -8.7 |
Plasma Beta
|
0.454 ± 0.694
|
0.309 ± 0.309
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Sound Speed [km/s]
|
52.70 ± -0.00
|
74.82 ± -0.00
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Alfven Speed [km/s]
|
67.96 ± -0.00
|
104.34 ± -0.00
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.622 ± 0.184 |
0.572 ± 0.193 |
0.536 ± 0.477 |
32.39 ± 13.39 |
137.39 ± 15.98 |
VC |
-0.658 ± 0.032 |
-0.607 ± 0.031 |
-0.445 ± 0.413 |
-26.43 ± 4.66 |
222.67 ± 1.60 |
MX1 |
-0.965 ± 0.249 |
-0.235 ± 0.984 |
-0.115 ± 0.115 |
-6.63 ± 34.61 |
193.67 ± 58.38 |
MX2 |
-0.566 ± 0.085 |
-0.745 ± 0.072 |
-0.354 ± 0.338 |
-20.71 ± 7.75 |
232.74 ± 6.18 |
MX3 |
-0.640 ± 0.036 |
-0.699 ± 0.039 |
-0.318 ± 0.306 |
-18.52 ± 8.99 |
227.53 ± 1.08 |
RH08 |
-0.165 ± 0.068 |
0.649 ± 0.053 |
-0.743 ± 0.561 |
-47.99 ± 3.96 |
104.29 ± 5.94 |
RH09 |
-0.154 ± 0.024 |
0.651 ± 0.026 |
-0.743 ± 0.561 |
-47.99 ± 2.00 |
103.29 ± 2.00 |
RH10 |
-0.148 ± 0.023 |
0.626 ± 0.027 |
-0.765 ± 0.561 |
-49.94 ± 2.00 |
103.29 ± 2.00 |
Average |
-0.490 |
0.027 |
-0.368 |
-23.226 |
165.609 |
Median |
-0.566 |
0.572 |
-0.354 |
-20.707 |
193.670 |
Deviation |
0.301 |
0.657 |
0.436 |
27.638 |
59.413 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
16.2 ± 8.6 |
****** ± ****** |
1.81 ± 0.29 |
VC |
79.9 ± 9.6 |
****** ± ****** |
1.81 ± 0.29 |
MX1 |
67.4 ± 8.1 |
****** ± ****** |
1.81 ± 0.29 |
MX2 |
72.6 ± 8.1 |
****** ± ****** |
1.81 ± 0.29 |
MX3 |
77.9 ± 8.0 |
****** ± ****** |
1.81 ± 0.29 |
RH08 |
71.3 ± 10.4 |
****** ± ****** |
1.81 ± 0.29 |
RH09 |
71.6 ± 10.3 |
****** ± ****** |
1.81 ± 0.29 |
RH10 |
73.3 ± 10.4 |
****** ± ****** |
1.81 ± 0.29 |
Average |
66.3 |
****** |
1.81 |
Median |
72.6 |
****** |
1.81 |
Deviation |
20.6 |
0.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
******* ± -0.0 |
46.1 ± -0.0 |
65.2 ± -0.0 |
73.3 ± -0.0 |
******* ± -1.00 |
******* ± -1.00 |
VC |
******* ± -0.0 |
7.1 ± -0.0 |
11.9 ± -0.0 |
86.6 ± -0.0 |
******* ± -1.00 |
******* ± -1.00 |
MX1 |
******* ± -0.0 |
15.8 ± -0.0 |
26.1 ± -0.0 |
85.4 ± -0.0 |
******* ± -1.00 |
******* ± -1.00 |
MX2 |
******* ± -0.0 |
12.2 ± -0.0 |
20.3 ± -0.0 |
86.0 ± -0.0 |
******* ± -1.00 |
******* ± -1.00 |
MX3 |
******* ± -0.0 |
8.5 ± -0.0 |
14.3 ± -0.0 |
86.4 ± -0.0 |
******* ± -1.00 |
******* ± -1.00 |
RH8 |
******* ± -0.0 |
13.1 ± -0.0 |
21.8 ± -0.0 |
85.9 ± -0.0 |
******* ± -1.00 |
******* ± -1.00 |
RH9 |
******* ± -0.0 |
12.9 ± -0.0 |
21.5 ± -0.0 |
85.9 ± -0.0 |
******* ± -1.00 |
******* ± -1.00 |
RH10 |
******* ± -0.0 |
11.7 ± -0.0 |
19.5 ± -0.0 |
86.1 ± -0.0 |
******* ± -1.00 |
******* ± -1.00 |
Average |
******* |
15.9 |
25.1 |
84.4 |
-8373.3 |
-1217.9 |
Median |
******* |
12.9 |
21.5 |
86.0 |
-7805.0 |
-1190.1 |
Deviation |
126.8 |
12.5 |
16.8 |
4.5 |
3572.0 |
80.0 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
******* ± -0.0 |
69.4 ± -0.0 |
100.2 ± -0.0 |
108.0 ± -0.0 |
******* ± -1.00 |
-927.59 ± -1.00 |
VC |
******* ± -0.0 |
10.7 ± -0.0 |
18.3 ± -0.0 |
128.0 ± -0.0 |
******* ± -1.00 |
-784.66 ± -1.00 |
MX1 |
******* ± -0.0 |
23.8 ± -0.0 |
40.1 ± -0.0 |
126.2 ± -0.0 |
******* ± -1.00 |
-796.45 ± -1.00 |
MX2 |
******* ± -0.0 |
18.4 ± -0.0 |
31.2 ± -0.0 |
127.1 ± -0.0 |
******* ± -1.00 |
-789.75 ± -1.00 |
MX3 |
******* ± -0.0 |
12.8 ± -0.0 |
21.9 ± -0.0 |
127.8 ± -0.0 |
******* ± -1.00 |
-785.80 ± -1.00 |
RH8 |
******* ± -0.0 |
19.7 ± -0.0 |
33.5 ± -0.0 |
126.9 ± -0.0 |
******* ± -1.00 |
-788.79 ± -1.00 |
RH9 |
******* ± -0.0 |
19.4 ± -0.0 |
32.9 ± -0.0 |
126.9 ± -0.0 |
******* ± -1.00 |
-788.44 ± -1.00 |
RH10 |
******* ± -0.0 |
17.6 ± -0.0 |
30.0 ± -0.0 |
127.2 ± -0.0 |
******* ± -1.00 |
-786.82 ± -1.00 |
Average |
******* |
24.0 |
38.5 |
124.7 |
-5532.1 |
-806.0 |
Median |
******* |
19.4 |
32.9 |
127.1 |
-5152.2 |
-788.4 |
Deviation |
173.6 |
18.8 |
25.8 |
6.8 |
2359.1 |
49.2 |
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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