Database: Wind Shock Analysis
Event ID: 19952901303
Observation time: 10/17/1995 290.54429 1303 [UT]
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General
Information (About, Top)
Year |
1995 |
Fractional day of year |
290.544288 |
Arrival time of shock [seconds of day] |
47026.5 ± 6.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
173.893 |
Y GSE location of spacecraft [Re] |
-5.717 |
Z GSE location of spacecraft [Re] |
-13.880 |
Upstream plasma points selected for analysis |
0003 |
Upstream field points selected for analysis |
0257 |
Downstream plasma points selected for analysis |
0003
|
Downstream field points selected for analysis |
0249 |
Minimum chisq/dof for RH8,RH9,RH10 |
17.41, Infinity, -367.46 |
Event added to database
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Mon Feb 14 11:01:33 2005
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Event last processed
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Mon Mar 30 15:56:20 2009
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
52.123 ± 4.357
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-299.0 ± 3.1 |
-306.9 ± 3.1 |
Vy GSE [km/s] |
19.7 ± 5.0 |
10.2 ± 7.0 |
Vz GSE [km/s] |
2.2 ± 7.2 |
-13.5 ± 5.4 |
Wi [km/s] |
26.5 ± 3.8 |
30.6 ± 4.1 |
We [km/s] |
837.3 ± 119.2 |
966.5 ± 128.8 |
Ni [n/cc] |
12.1 ± 0.9 |
15.6 ± 0.9 |
Bx GSE [nT] |
-4.0 ± 0.9 |
-5.2 ± 1.5 |
By GSE [nT] |
2.0 ± 1.2 |
4.8 ± 1.5 |
Bz GSE [nT] |
-1.6 ± 1.5 |
-0.1 ± 1.2 |
Plasma Beta
|
0.710 ± 0.557
|
0.583 ± 0.561
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Sound Speed [km/s]
|
34.18 ± 4.87
|
39.46 ± 5.26
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Alfven Speed [km/s]
|
32.02 ± 1.76
|
40.33 ± 1.84
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.836 ± 0.192 |
0.261 ± 0.334 |
-0.482 ± 0.441 |
-28.81 ± 20.18 |
162.65 ± 22.58 |
VC |
-0.495 ± 0.347 |
-0.456 ± 0.356 |
-0.739 ± 0.560 |
-47.67 ± 22.74 |
222.63 ± 34.09 |
MX1 |
-0.821 ± 0.177 |
0.231 ± 0.267 |
-0.521 ± 0.468 |
-31.43 ± 18.36 |
164.31 ± 18.37 |
MX2 |
-0.800 ± 0.124 |
0.146 ± 0.196 |
-0.582 ± 0.505 |
-35.62 ± 11.85 |
169.63 ± 13.94 |
MX3 |
-0.757 ± 0.071 |
0.057 ± 0.192 |
-0.651 ± 0.538 |
-40.62 ± 6.11 |
175.66 ± 14.56 |
RH08 |
-0.977 ± 0.015 |
0.112 ± 0.070 |
-0.184 ± 0.182 |
-10.62 ± 4.00 |
173.48 ± 4.11 |
RH09 |
-0.000 ± 0.035 |
-0.000 ± 0.000 |
-1.000 ± 0.000 |
-90.00 ± 2.00 |
0.00 ± 2.00 |
RH10 |
-0.004 ± 0.070 |
-0.987 ± 0.011 |
-0.162 ± 0.161 |
-9.32 ± 4.03 |
269.75 ± 4.07 |
Average |
-0.586 |
-0.079 |
-0.540 |
-36.763 |
167.263 |
Median |
-0.757 |
0.112 |
-0.521 |
-31.427 |
173.482 |
Deviation |
0.385 |
0.429 |
0.277 |
25.347 |
77.174 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
21.9 ± 8.9 |
296.1 ± 27.6 |
1.29 ± 0.04 |
VC |
63.3 ± 2.2 |
224.6 ± 28.4 |
1.29 ± 0.04 |
MX1 |
23.6 ± 9.0 |
294.7 ± 27.8 |
1.29 ± 0.04 |
MX2 |
28.0 ± 8.0 |
298.0 ± 27.7 |
1.29 ± 0.04 |
MX3 |
33.4 ± 7.4 |
294.1 ± 27.7 |
1.29 ± 0.04 |
RH08 |
26.4 ± 14.1 |
339.6 ± 23.3 |
1.29 ± 0.04 |
RH09 |
70.9 ± 17.4 |
62.9 ± 31.4 |
1.29 ± 0.04 |
RH10 |
70.3 ± 10.8 |
34.4 ± 42.1 |
1.29 ± 0.04 |
Average |
42.2 |
230.6 |
1.29 |
Median |
33.4 |
294.7 |
1.29 |
Deviation |
21.9 |
116.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
42.0 ± 2.3 |
25.7 ± 0.8 |
29.7 ± 1.6 |
39.3 ± 2.8 |
1.64 ± 0.14 |
1.08 ± 0.13 |
VC |
87.1 ± 2.9 |
10.7 ± 0.4 |
14.4 ± 0.8 |
45.7 ± 2.7 |
8.18 ± 0.60 |
1.91 ± 0.17 |
MX1 |
45.7 ± 2.5 |
25.1 ± 0.8 |
29.3 ± 1.6 |
39.7 ± 2.8 |
1.82 ± 0.15 |
1.16 ± 0.14 |
MX2 |
57.4 ± 2.7 |
23.7 ± 0.8 |
28.3 ± 1.6 |
40.5 ± 2.8 |
2.42 ± 0.19 |
1.42 ± 0.16 |
MX3 |
68.2 ± 3.0 |
21.9 ± 0.8 |
26.7 ± 1.5 |
41.6 ± 2.7 |
3.12 ± 0.25 |
1.65 ± 0.18 |
RH8 |
45.8 ± 1.4 |
24.2 ± 0.8 |
28.7 ± 1.6 |
40.2 ± 2.8 |
1.89 ± 0.08 |
1.14 ± 0.07 |
RH9 |
65.1 ± 7.2 |
7.7 ± 0.3 |
10.5 ± 0.6 |
46.3 ± 2.7 |
8.53 ± 1.26 |
1.41 ± 0.24 |
RH10 |
52.9 ± 4.1 |
7.9 ± 0.3 |
10.8 ± 0.6 |
46.3 ± 2.7 |
6.66 ± 0.47 |
1.14 ± 0.07 |
Average |
58.0 |
18.4 |
22.3 |
42.5 |
4.3 |
1.4 |
Median |
57.4 |
23.7 |
28.3 |
41.6 |
3.1 |
1.4 |
Deviation |
15.0 |
8.1 |
8.7 |
3.1 |
3.0 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
30.3 ± 5.4 |
31.2 ± 2.1 |
37.4 ± 1.7 |
47.1 ± 3.3 |
0.98 ± 0.23 |
0.65 ± 0.15 |
VC |
67.3 ± 1.2 |
12.9 ± 0.9 |
18.1 ± 0.8 |
55.0 ± 3.8 |
5.22 ± 0.42 |
1.23 ± 0.10 |
MX1 |
33.2 ± 5.3 |
30.6 ± 2.1 |
37.0 ± 1.7 |
47.5 ± 3.3 |
1.10 ± 0.24 |
0.71 ± 0.15 |
MX2 |
43.3 ± 5.0 |
28.8 ± 2.0 |
35.6 ± 1.6 |
48.6 ± 3.4 |
1.51 ± 0.26 |
0.90 ± 0.15 |
MX3 |
52.5 ± 4.7 |
26.5 ± 1.8 |
33.7 ± 1.5 |
49.9 ± 3.5 |
1.99 ± 0.29 |
1.06 ± 0.15 |
RH8 |
36.2 ± 3.7 |
29.5 ± 2.0 |
36.1 ± 1.6 |
48.2 ± 3.4 |
1.24 ± 0.19 |
0.76 ± 0.11 |
RH9 |
49.4 ± 5.4 |
9.3 ± 0.6 |
13.2 ± 0.6 |
55.7 ± 3.9 |
5.36 ± 0.92 |
0.89 ± 0.15 |
RH10 |
40.9 ± 6.0 |
9.6 ± 0.7 |
13.6 ± 0.6 |
55.7 ± 3.9 |
4.24 ± 0.33 |
0.73 ± 0.06 |
Average |
44.1 |
22.3 |
28.1 |
51.0 |
2.7 |
0.9 |
Median |
43.3 |
28.8 |
35.6 |
49.9 |
2.0 |
0.9 |
Deviation |
12.1 |
9.8 |
11.0 |
3.8 |
1.9 |
0.2 |
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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