Database: Wind Shock Analysis
Event ID: 19960371914
Observation time: 02/06/1996 37.80165 1914 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
1996 |
Fractional day of year |
37.801649 |
Arrival time of shock [seconds of day] |
69262.5 ± 3.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
159.421 |
Y GSE location of spacecraft [Re] |
-36.279 |
Z GSE location of spacecraft [Re] |
14.620 |
Upstream plasma points selected for analysis |
0007 |
Upstream field points selected for analysis |
0196 |
Downstream plasma points selected for analysis |
0008
|
Downstream field points selected for analysis |
0219 |
Minimum chisq/dof for RH8,RH9,RH10 |
11.05, 15.97, 16.38 |
Event added to database
|
Mon Feb 14 11:02:07 2005
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Event last processed
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Mon Mar 30 16:05:28 2009
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
40.094 ± 3.094
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-345.1 ± 1.4 |
-362.6 ± 2.6 |
Vy GSE [km/s] |
-4.8 ± 0.7 |
-8.9 ± 1.4 |
Vz GSE [km/s] |
-9.4 ± 0.9 |
8.8 ± 1.3 |
Wi [km/s] |
19.9 ± 0.5 |
24.3 ± 0.3 |
We [km/s] |
629.5 ± 15.8 |
768.8 ± 9.4 |
Ni [n/cc] |
7.6 ± 0.3 |
13.0 ± 0.4 |
Bx GSE [nT] |
3.1 ± 0.2 |
4.1 ± 0.5 |
By GSE [nT] |
1.0 ± 0.2 |
1.8 ± 0.4 |
Bz GSE [nT] |
2.1 ± 0.3 |
3.6 ± 0.5 |
Plasma Beta
|
0.416 ± 0.434
|
0.481 ± 0.483
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Sound Speed [km/s]
|
25.70 ± 0.64
|
31.39 ± 0.39
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Alfven Speed [km/s]
|
31.01 ± 1.67
|
35.14 ± 1.57
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.960 ± 0.162 |
0.211 ± 0.630 |
0.185 ± 0.183 |
10.64 ± 26.52 |
167.62 ± 37.61 |
VC |
-0.682 ± 0.079 |
-0.154 ± 0.047 |
0.715 ± 0.557 |
45.65 ± 6.42 |
192.71 ± 3.62 |
MX1 |
-0.763 ± 0.217 |
-0.182 ± 0.072 |
0.620 ± 0.525 |
38.35 ± 20.56 |
193.39 ± 3.73 |
MX2 |
-0.764 ± 0.215 |
-0.178 ± 0.079 |
0.621 ± 0.525 |
38.36 ± 20.29 |
193.12 ± 4.62 |
MX3 |
-0.765 ± 0.209 |
-0.174 ± 0.115 |
0.620 ± 0.525 |
38.29 ± 19.71 |
192.84 ± 7.81 |
RH08 |
-0.963 ± 0.005 |
-0.093 ± 0.009 |
0.251 ± 0.246 |
14.56 ± 1.11 |
185.52 ± 0.52 |
RH09 |
-0.989 ± 0.010 |
-0.043 ± 0.070 |
0.140 ± 0.139 |
8.03 ± 4.02 |
182.51 ± 4.07 |
RH10 |
-0.989 ± 0.010 |
-0.043 ± 0.070 |
0.140 ± 0.139 |
8.03 ± 4.02 |
182.51 ± 4.07 |
Average |
-0.859 |
-0.082 |
0.411 |
25.239 |
186.277 |
Median |
-0.765 |
-0.093 |
0.620 |
38.293 |
192.711 |
Deviation |
0.127 |
0.132 |
0.253 |
16.260 |
8.938 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
51.9 ± 3.1 |
374.7 ± 5.1 |
1.73 ± 0.11 |
VC |
78.1 ± 5.2 |
290.3 ± 4.6 |
1.73 ± 0.11 |
MX1 |
70.8 ± 5.2 |
319.1 ± 4.9 |
1.73 ± 0.11 |
MX2 |
70.8 ± 5.2 |
319.4 ± 4.9 |
1.73 ± 0.11 |
MX3 |
70.8 ± 5.2 |
319.9 ± 4.9 |
1.73 ± 0.11 |
RH08 |
48.4 ± 4.6 |
383.4 ± 5.9 |
1.73 ± 0.11 |
RH09 |
43.0 ± 4.2 |
388.9 ± 6.0 |
1.73 ± 0.11 |
RH10 |
43.0 ± 4.2 |
388.9 ± 6.0 |
1.73 ± 0.11 |
Average |
59.6 |
348.1 |
1.73 |
Median |
70.8 |
374.7 |
1.73 |
Deviation |
14.4 |
39.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
46.2 ± 1.2 |
12.9 ± 0.3 |
19.1 ± 1.0 |
38.2 ± 1.2 |
3.59 ± 0.14 |
1.21 ± 0.05 |
VC |
61.0 ± 0.9 |
4.1 ± 0.1 |
6.4 ± 0.3 |
40.1 ± 1.2 |
14.91 ± 0.42 |
1.52 ± 0.05 |
MX1 |
60.8 ± 1.0 |
6.6 ± 0.1 |
10.2 ± 0.5 |
39.7 ± 1.2 |
9.24 ± 0.27 |
1.53 ± 0.05 |
MX2 |
60.8 ± 1.0 |
6.6 ± 0.1 |
10.2 ± 0.5 |
39.8 ± 1.2 |
9.25 ± 0.27 |
1.53 ± 0.05 |
MX3 |
60.8 ± 1.0 |
6.6 ± 0.1 |
10.2 ± 0.6 |
39.7 ± 1.2 |
9.22 ± 0.27 |
1.53 ± 0.05 |
RH8 |
52.9 ± 1.3 |
14.0 ± 0.3 |
20.6 ± 1.1 |
37.8 ± 1.2 |
3.78 ± 0.14 |
1.40 ± 0.06 |
RH9 |
48.7 ± 1.4 |
15.7 ± 0.3 |
22.7 ± 1.2 |
37.1 ± 1.2 |
3.10 ± 0.12 |
1.31 ± 0.06 |
RH10 |
48.7 ± 1.4 |
15.7 ± 0.3 |
22.7 ± 1.2 |
37.1 ± 1.2 |
3.10 ± 0.12 |
1.31 ± 0.06 |
Average |
55.0 |
10.3 |
15.3 |
38.7 |
7.0 |
1.4 |
Median |
60.8 |
12.9 |
19.1 |
39.7 |
9.2 |
1.5 |
Deviation |
6.6 |
4.8 |
6.6 |
1.3 |
4.3 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
26.9 ± 2.1 |
15.3 ± 0.3 |
21.7 ± 1.0 |
44.6 ± 1.1 |
1.76 ± 0.12 |
0.60 ± 0.04 |
VC |
35.5 ± 1.7 |
4.8 ± 0.1 |
7.2 ± 0.3 |
46.9 ± 1.1 |
7.32 ± 0.28 |
0.76 ± 0.03 |
MX1 |
35.5 ± 1.9 |
7.8 ± 0.2 |
11.6 ± 0.5 |
46.5 ± 1.1 |
4.55 ± 0.20 |
0.76 ± 0.03 |
MX2 |
35.5 ± 1.9 |
7.8 ± 0.2 |
11.5 ± 0.5 |
46.5 ± 1.1 |
4.55 ± 0.20 |
0.76 ± 0.03 |
MX3 |
35.5 ± 1.9 |
7.8 ± 0.2 |
11.6 ± 0.5 |
46.5 ± 1.1 |
4.54 ± 0.20 |
0.76 ± 0.03 |
RH8 |
31.1 ± 2.4 |
16.6 ± 0.3 |
23.3 ± 1.0 |
44.1 ± 1.1 |
1.87 ± 0.13 |
0.70 ± 0.05 |
RH9 |
28.7 ± 2.5 |
18.6 ± 0.4 |
25.7 ± 1.1 |
43.3 ± 1.1 |
1.54 ± 0.12 |
0.66 ± 0.05 |
RH10 |
28.7 ± 2.5 |
18.6 ± 0.4 |
25.7 ± 1.1 |
43.3 ± 1.1 |
1.54 ± 0.12 |
0.66 ± 0.05 |
Average |
32.2 |
12.2 |
17.3 |
45.2 |
3.5 |
0.7 |
Median |
35.5 |
15.3 |
21.7 |
46.5 |
4.5 |
0.8 |
Deviation |
3.7 |
5.6 |
7.5 |
1.5 |
2.1 |
0.1 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00040.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00040.png)
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Velocity
![V](wi_selv_00040.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_00040.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00040.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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