Database: Wind Shock Analysis
Event ID: 20073231722
Observation time: 11/19/2007 323.72373 1722 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
2007 |
Fractional day of year |
323.723733 |
Arrival time of shock [seconds of day] |
62530.5 ± 20.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
235.451 |
Y GSE location of spacecraft [Re] |
86.651 |
Z GSE location of spacecraft [Re] |
15.500 |
Upstream plasma points selected for analysis |
0008 |
Upstream field points selected for analysis |
0254 |
Downstream plasma points selected for analysis |
0006
|
Downstream field points selected for analysis |
0204 |
Minimum chisq/dof for RH8,RH9,RH10 |
5.34, 7.35, 7.58 |
Event added to database
|
Thu Sep 26 11:39:18 2013
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Event last processed
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Thu Sep 26 12:32:03 2013
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Method selected
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RH08
|
Propagation delay to Earth [minutes]
|
52.962 ± 2.745
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-378.3 ± 0.6 |
-412.0 ± 1.7 |
Vy GSE [km/s] |
-7.8 ± 1.6 |
-2.6 ± 4.0 |
Vz GSE [km/s] |
3.8 ± 1.2 |
21.7 ± 2.7 |
Wi [km/s] |
26.3 ± 2.0 |
37.0 ± 1.6 |
We [km/s] |
831.8 ± 63.1 |
1171.0 ± 50.7 |
Ni [n/cc] |
4.8 ± 0.1 |
9.3 ± 0.4 |
Bx GSE [nT] |
3.3 ± 0.1 |
4.5 ± 0.3 |
By GSE [nT] |
-0.1 ± 0.1 |
-0.3 ± 0.9 |
Bz GSE [nT] |
1.2 ± 0.1 |
4.8 ± 0.3 |
Plasma Beta
|
0.554 ± 0.576
|
0.618 ± 0.594
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Sound Speed [km/s]
|
33.96 ± 2.58
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47.81 ± 2.07
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Alfven Speed [km/s]
|
35.41 ± 0.66
|
47.42 ± 2.30
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.962 ± 0.027 |
0.033 ± 0.147 |
0.270 ± 0.263 |
15.67 ± 5.72 |
178.03 ± 8.76 |
VC |
-0.877 ± 0.031 |
0.135 ± 0.099 |
0.461 ± 0.425 |
27.48 ± 3.36 |
171.26 ± 6.46 |
MX1 |
-0.950 ± 0.023 |
0.119 ± 0.079 |
0.289 ± 0.280 |
16.78 ± 4.21 |
172.84 ± 4.76 |
MX2 |
-0.947 ± 0.022 |
0.132 ± 0.067 |
0.293 ± 0.284 |
17.01 ± 4.00 |
172.04 ± 4.03 |
MX3 |
-0.945 ± 0.022 |
0.141 ± 0.061 |
0.295 ± 0.286 |
17.15 ± 3.91 |
171.52 ± 3.68 |
RH08 |
-0.977 ± 0.003 |
0.060 ± 0.016 |
0.207 ± 0.204 |
11.93 ± 0.92 |
176.49 ± 0.92 |
RH09 |
-0.981 ± 0.014 |
0.060 ± 0.070 |
0.184 ± 0.182 |
10.62 ± 4.00 |
176.49 ± 4.11 |
RH10 |
-0.981 ± 0.014 |
0.060 ± 0.070 |
0.184 ± 0.182 |
10.62 ± 4.00 |
176.49 ± 4.11 |
Average |
-0.952 |
0.093 |
0.273 |
15.910 |
174.394 |
Median |
-0.950 |
0.119 |
0.289 |
16.783 |
176.490 |
Deviation |
0.034 |
0.043 |
0.090 |
5.466 |
2.738 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
36.2 ± 2.1 |
442.1 ± 1.0 |
1.93 ± 0.07 |
VC |
48.4 ± 2.1 |
412.7 ± 1.0 |
1.93 ± 0.07 |
MX1 |
37.6 ± 2.1 |
437.8 ± 1.0 |
1.93 ± 0.07 |
MX2 |
37.9 ± 2.1 |
436.8 ± 1.0 |
1.93 ± 0.07 |
MX3 |
38.2 ± 2.1 |
436.1 ± 1.0 |
1.93 ± 0.07 |
RH08 |
32.5 ± 2.1 |
445.9 ± 0.9 |
1.93 ± 0.07 |
RH09 |
31.2 ± 2.1 |
446.8 ± 0.9 |
1.93 ± 0.07 |
RH10 |
31.2 ± 2.1 |
446.8 ± 6.3 |
1.93 ± 0.07 |
Average |
36.6 |
438.1 |
1.93 |
Median |
37.6 |
442.1 |
1.93 |
Deviation |
5.6 |
11.2 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
77.2 ± 0.8 |
22.1 ± 1.0 |
28.6 ± 0.5 |
43.8 ± 1.8 |
3.50 ± 0.16 |
1.76 ± 0.07 |
VC |
80.2 ± 1.1 |
17.4 ± 0.8 |
23.5 ± 0.4 |
45.9 ± 1.9 |
4.63 ± 0.21 |
1.75 ± 0.07 |
MX1 |
78.3 ± 0.9 |
21.6 ± 1.0 |
28.1 ± 0.5 |
44.1 ± 1.8 |
3.63 ± 0.17 |
1.78 ± 0.07 |
MX2 |
78.5 ± 1.0 |
21.5 ± 1.0 |
27.9 ± 0.5 |
44.1 ± 1.8 |
3.66 ± 0.17 |
1.78 ± 0.07 |
MX3 |
78.6 ± 1.0 |
21.4 ± 1.0 |
27.8 ± 0.5 |
44.2 ± 1.8 |
3.68 ± 0.17 |
1.78 ± 0.07 |
RH8 |
76.1 ± 0.8 |
23.5 ± 1.1 |
29.9 ± 0.6 |
43.1 ± 1.7 |
3.24 ± 0.15 |
1.77 ± 0.07 |
RH9 |
75.4 ± 0.8 |
24.0 ± 1.1 |
30.3 ± 0.6 |
42.8 ± 1.7 |
3.15 ± 0.15 |
1.76 ± 0.07 |
RH10 |
75.4 ± 0.8 |
24.0 ± 1.1 |
30.3 ± 0.6 |
42.8 ± 1.7 |
3.15 ± 0.15 |
1.76 ± 0.07 |
Average |
77.5 |
21.9 |
28.3 |
43.9 |
3.6 |
1.8 |
Median |
78.3 |
22.1 |
28.6 |
44.1 |
3.6 |
1.8 |
Deviation |
1.7 |
2.2 |
2.2 |
1.0 |
0.5 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
39.8 ± 1.8 |
30.3 ± 0.5 |
38.3 ± 1.9 |
60.2 ± 0.8 |
1.31 ± 0.06 |
0.66 ± 0.03 |
VC |
41.7 ± 2.0 |
23.8 ± 0.4 |
31.5 ± 1.5 |
63.0 ± 0.8 |
1.75 ± 0.09 |
0.66 ± 0.03 |
MX1 |
40.5 ± 1.8 |
29.6 ± 0.5 |
37.6 ± 1.8 |
60.5 ± 0.8 |
1.37 ± 0.06 |
0.67 ± 0.03 |
MX2 |
40.6 ± 1.8 |
29.4 ± 0.5 |
37.4 ± 1.8 |
60.6 ± 0.8 |
1.38 ± 0.06 |
0.67 ± 0.03 |
MX3 |
40.7 ± 1.8 |
29.3 ± 0.5 |
37.3 ± 1.8 |
60.7 ± 0.8 |
1.39 ± 0.06 |
0.67 ± 0.03 |
RH8 |
39.2 ± 1.7 |
32.3 ± 0.6 |
40.0 ± 1.9 |
59.2 ± 0.7 |
1.21 ± 0.05 |
0.66 ± 0.03 |
RH9 |
38.7 ± 1.7 |
32.9 ± 0.6 |
40.6 ± 2.0 |
58.8 ± 0.7 |
1.18 ± 0.05 |
0.66 ± 0.03 |
RH10 |
38.7 ± 1.7 |
32.9 ± 0.6 |
40.6 ± 2.0 |
58.8 ± 0.7 |
1.18 ± 0.05 |
0.66 ± 0.03 |
Average |
40.0 |
30.1 |
37.9 |
60.2 |
1.3 |
0.7 |
Median |
40.5 |
30.3 |
38.3 |
60.5 |
1.4 |
0.7 |
Deviation |
1.1 |
3.0 |
2.9 |
1.4 |
0.2 |
0.0 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00463.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00463.png)
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Velocity
![V](wi_selv_00463.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_00463.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00463.png)
Mach Numbers (About, Top)
Page updated Fri Jun 13 11:06:02 2014
Michael L Stevens
(mstevens@cfa.harvard.edu)
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