Database: Wind Shock Analysis
Event ID: 20151260055
Observation time: 05/06/2015 126.03877 0055 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
2015 |
Fractional day of year |
126.038767 |
Arrival time of shock [seconds of day] |
3349.5 ± 30.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
237.620 |
Y GSE location of spacecraft [Re] |
-91.831 |
Z GSE location of spacecraft [Re] |
13.617 |
Upstream plasma points selected for analysis |
0008 |
Upstream field points selected for analysis |
0258 |
Downstream plasma points selected for analysis |
0008
|
Downstream field points selected for analysis |
0236 |
Minimum chisq/dof for RH8,RH9,RH10 |
5.37, 13.41, 13.96 |
Event added to database
|
Thu Jan 28 14:36:31 2016
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Event last processed
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Tue May 17 16:51:01 2016
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
45.029 ± 0.518
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-377.9 ± 6.0 |
-453.8 ± 4.8 |
Vy GSE [km/s] |
-23.3 ± 2.1 |
-44.8 ± 4.3 |
Vz GSE [km/s] |
-10.8 ± 3.7 |
-23.3 ± 6.5 |
Wi [km/s] |
25.0 ± 2.7 |
35.9 ± 1.3 |
We [km/s] |
791.9 ± 85.2 |
1135.3 ± 40.6 |
Ni [n/cc] |
5.0 ± 0.9 |
10.6 ± 0.6 |
Bx GSE [nT] |
-0.5 ± 0.9 |
-2.5 ± 0.6 |
By GSE [nT] |
5.3 ± 0.2 |
12.2 ± 1.3 |
Bz GSE [nT] |
2.1 ± 0.4 |
3.5 ± 2.2 |
Plasma Beta
|
0.198 ± 0.201
|
0.167 ± 0.163
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Sound Speed [km/s]
|
32.33 ± 3.48
|
46.35 ± 1.66
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Alfven Speed [km/s]
|
57.35 ± 5.21
|
88.17 ± 5.31
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.935 ± 0.205 |
-0.287 ± 0.444 |
-0.207 ± 0.204 |
-11.95 ± 44.49 |
197.09 ± 27.07 |
VC |
-0.951 ± 0.018 |
-0.267 ± 0.042 |
-0.157 ± 0.156 |
-9.02 ± 5.05 |
195.70 ± 2.50 |
MX1 |
-0.961 ± 0.034 |
-0.235 ± 0.128 |
-0.146 ± 0.144 |
-8.37 ± 5.64 |
193.73 ± 7.60 |
MX2 |
-0.961 ± 0.032 |
-0.235 ± 0.121 |
-0.149 ± 0.148 |
-8.58 ± 5.21 |
193.73 ± 7.21 |
MX3 |
-0.960 ± 0.032 |
-0.235 ± 0.118 |
-0.152 ± 0.150 |
-8.72 ± 5.16 |
193.73 ± 7.02 |
RH08 |
-0.990 ± 0.002 |
-0.113 ± 0.013 |
-0.084 ± 0.084 |
-4.81 ± 0.82 |
186.52 ± 0.75 |
RH09 |
-0.998 ± 0.005 |
-0.044 ± 0.068 |
-0.050 ± 0.050 |
-2.88 ± 4.06 |
182.51 ± 3.91 |
RH10 |
-0.998 ± 0.004 |
-0.044 ± 0.068 |
-0.039 ± 0.039 |
-2.24 ± 4.06 |
182.51 ± 3.91 |
Average |
-0.969 |
-0.182 |
-0.123 |
-7.072 |
190.689 |
Median |
-0.961 |
-0.235 |
-0.146 |
-8.368 |
193.730 |
Deviation |
0.023 |
0.100 |
0.059 |
3.388 |
5.917 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
75.2 ± 9.6 |
515.5 ± 3.6 |
2.18 ± 0.46 |
VC |
77.5 ± 9.5 |
520.1 ± 3.7 |
2.18 ± 0.46 |
MX1 |
79.6 ± 9.5 |
522.8 ± 3.7 |
2.18 ± 0.46 |
MX2 |
79.5 ± 9.5 |
522.7 ± 3.7 |
2.18 ± 0.46 |
MX3 |
79.4 ± 9.5 |
522.7 ± 3.7 |
2.18 ± 0.46 |
RH08 |
87.5 ± 9.5 |
527.5 ± 3.6 |
2.18 ± 0.46 |
RH09 |
88.1 ± 9.4 |
525.6 ± 3.5 |
2.18 ± 0.46 |
RH10 |
87.8 ± 9.4 |
525.5 ± 28.1 |
2.18 ± 0.46 |
Average |
81.8 |
522.8 |
2.18 |
Median |
79.6 |
522.8 |
2.18 |
Deviation |
5.2 |
3.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
153.2 ± 6.5 |
7.2 ± 0.5 |
14.6 ± 1.3 |
65.6 ± 4.5 |
21.37 ± 0.97 |
2.34 ± 0.14 |
VC |
152.9 ± 6.4 |
6.1 ± 0.5 |
12.4 ± 1.1 |
65.7 ± 4.5 |
25.19 ± 1.15 |
2.33 ± 0.14 |
MX1 |
152.6 ± 6.4 |
5.1 ± 0.4 |
10.4 ± 0.9 |
65.8 ± 4.5 |
30.05 ± 1.37 |
2.33 ± 0.14 |
MX2 |
152.7 ± 6.4 |
5.1 ± 0.4 |
10.5 ± 1.0 |
65.8 ± 4.5 |
29.84 ± 1.36 |
2.33 ± 0.14 |
MX3 |
152.7 ± 6.4 |
5.2 ± 0.4 |
10.5 ± 1.0 |
65.8 ± 4.5 |
29.71 ± 1.35 |
2.33 ± 0.14 |
RH8 |
149.9 ± 6.3 |
1.2 ± 0.1 |
2.5 ± 0.2 |
65.9 ± 4.5 |
123.40 ± 5.63 |
2.28 ± 0.13 |
RH9 |
146.9 ± 6.1 |
0.9 ± 0.1 |
1.9 ± 0.2 |
66.0 ± 4.5 |
156.05 ± 7.15 |
2.23 ± 0.13 |
RH10 |
146.8 ± 6.1 |
1.1 ± 0.1 |
2.2 ± 0.2 |
66.0 ± 4.5 |
138.84 ± 6.39 |
2.23 ± 0.13 |
Average |
151.0 |
4.0 |
8.1 |
65.8 |
69.3 |
2.3 |
Median |
152.7 |
5.1 |
10.5 |
65.8 |
30.0 |
2.3 |
Deviation |
2.7 |
2.5 |
5.1 |
0.1 |
58.8 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
73.4 ± 5.0 |
10.5 ± 0.4 |
22.5 ± 1.4 |
99.1 ± 4.9 |
7.00 ± 0.65 |
0.74 ± 0.09 |
VC |
73.0 ± 5.1 |
8.9 ± 0.3 |
19.1 ± 1.2 |
99.2 ± 4.9 |
8.22 ± 0.78 |
0.74 ± 0.09 |
MX1 |
72.8 ± 5.1 |
7.5 ± 0.3 |
16.0 ± 1.0 |
99.4 ± 4.9 |
9.78 ± 0.92 |
0.74 ± 0.09 |
MX2 |
72.8 ± 5.1 |
7.5 ± 0.3 |
16.1 ± 1.0 |
99.4 ± 4.9 |
9.72 ± 0.92 |
0.74 ± 0.09 |
MX3 |
72.9 ± 5.1 |
7.5 ± 0.3 |
16.2 ± 1.0 |
99.4 ± 4.9 |
9.68 ± 0.91 |
0.74 ± 0.09 |
RH8 |
71.2 ± 4.9 |
1.8 ± 0.1 |
3.8 ± 0.2 |
99.6 ± 4.9 |
40.04 ± 3.75 |
0.72 ± 0.08 |
RH9 |
69.6 ± 4.8 |
1.4 ± 0.0 |
3.0 ± 0.2 |
99.6 ± 4.9 |
50.48 ± 4.72 |
0.70 ± 0.08 |
RH10 |
69.6 ± 4.8 |
1.6 ± 0.1 |
3.3 ± 0.2 |
99.6 ± 4.9 |
44.93 ± 4.23 |
0.70 ± 0.08 |
Average |
71.9 |
5.8 |
12.5 |
99.4 |
22.5 |
0.7 |
Median |
72.8 |
7.5 |
16.1 |
99.4 |
9.8 |
0.7 |
Deviation |
1.6 |
3.7 |
7.9 |
0.2 |
19.0 |
0.0 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00687.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00687.png)
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Velocity
![V](wi_selv_00687.png)
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Magnetic Field
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Simple
Methods
(About, Top)
Rankine Chi^2
Contour (About, Top)
Shock
Speed (About, Top)
![Shock Speed](wi_shockspeed_00687.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00687.png)
Mach Numbers (About, Top)
Page updated Wed Jan 22 21:47:00 2020
Michael L Stevens
(mstevens@cfa.harvard.edu)
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