Database: Wind Shock Analysis
Event ID: 20013551410
Observation time: 12/21/2001 355.59047 1410 [UT]
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General
Information (About, Top)
Year |
2001 |
Fractional day of year |
355.590469 |
Arrival time of shock [seconds of day] |
51016.5 ± 6.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
42.550 |
Y GSE location of spacecraft [Re] |
445.935 |
Z GSE location of spacecraft [Re] |
18.420 |
Upstream plasma points selected for analysis |
0007 |
Upstream field points selected for analysis |
0236 |
Downstream plasma points selected for analysis |
0009
|
Downstream field points selected for analysis |
0278 |
Minimum chisq/dof for RH8,RH9,RH10 |
34.55, 40.66, 42.11 |
Event added to database
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Mon Feb 14 11:17:04 2005
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Event last processed
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Mon Mar 30 22:21:46 2009
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Method selected
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RH08
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Propagation delay to Earth [minutes]
|
18.263 ± 6.003
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-370.4 ± 5.6 |
-425.9 ± 8.3 |
Vy GSE [km/s] |
-35.3 ± 3.9 |
-25.6 ± 8.2 |
Vz GSE [km/s] |
-6.7 ± 3.6 |
23.0 ± 10.7 |
Wi [km/s] |
34.5 ± 2.2 |
51.7 ± 5.9 |
We [km/s] |
1090.8 ± 69.9 |
1635.3 ± 185.4 |
Ni [n/cc] |
4.2 ± 0.7 |
6.0 ± 0.4 |
Bx GSE [nT] |
-4.0 ± 0.8 |
-1.5 ± 0.7 |
By GSE [nT] |
7.0 ± 0.7 |
11.7 ± 0.3 |
Bz GSE [nT] |
3.9 ± 0.8 |
-1.9 ± 1.5 |
Plasma Beta
|
0.134 ± 0.151
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0.237 ± 0.241
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Sound Speed [km/s]
|
44.53 ± 2.85
|
66.76 ± 7.57
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Alfven Speed [km/s]
|
96.54 ± 12.61
|
107.10 ± 5.77
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.450 ± 0.071 |
0.782 ± 0.060 |
0.432 ± 0.403 |
25.62 ± 6.99 |
119.92 ± 4.86 |
VC |
-0.871 ± 0.094 |
0.142 ± 0.130 |
0.469 ± 0.431 |
27.99 ± 11.27 |
170.73 ± 8.52 |
MX1 |
-0.509 ± 0.320 |
0.767 ± 0.222 |
0.390 ± 0.369 |
22.94 ± 12.51 |
123.58 ± 23.66 |
MX2 |
-0.696 ± 0.061 |
0.677 ± 0.062 |
0.240 ± 0.235 |
13.90 ± 6.13 |
135.77 ± 4.92 |
MX3 |
-0.821 ± 0.042 |
0.563 ± 0.060 |
0.089 ± 0.089 |
5.12 ± 8.22 |
145.57 ± 4.13 |
RH08 |
-0.957 ± 0.003 |
-0.143 ± 0.000 |
0.251 ± 0.246 |
14.56 ± 0.66 |
188.52 ± 0.00 |
RH09 |
-0.963 ± 0.019 |
-0.144 ± 0.068 |
0.229 ± 0.225 |
13.24 ± 4.00 |
188.52 ± 4.07 |
RH10 |
-0.965 ± 0.018 |
-0.145 ± 0.070 |
0.218 ± 0.214 |
12.58 ± 3.96 |
188.52 ± 4.17 |
Average |
-0.779 |
0.312 |
0.290 |
16.993 |
157.641 |
Median |
-0.821 |
0.563 |
0.251 |
14.560 |
170.726 |
Deviation |
0.207 |
0.427 |
0.128 |
7.751 |
29.857 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
6.2 ± 5.0 |
308.1 ± 123.0 |
1.47 ± 0.30 |
VC |
45.6 ± 2.2 |
551.7 ± 157.8 |
1.47 ± 0.30 |
MX1 |
7.6 ± 5.3 |
337.5 ± 127.0 |
1.47 ± 0.30 |
MX2 |
19.8 ± 6.9 |
421.6 ± 136.9 |
1.47 ± 0.30 |
MX3 |
32.6 ± 6.8 |
474.5 ± 138.3 |
1.47 ± 0.30 |
RH08 |
65.1 ± 3.0 |
565.8 ± 141.9 |
1.47 ± 0.30 |
RH09 |
65.6 ± 3.1 |
566.5 ± 140.8 |
1.47 ± 0.30 |
RH10 |
65.8 ± 3.1 |
566.2 ± 140.3 |
1.47 ± 0.30 |
Average |
38.6 |
474.0 |
1.47 |
Median |
45.6 |
551.7 |
1.47 |
Deviation |
25.7 |
107.2 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
172.1 ± 4.9 |
44.2 ± 2.8 |
96.0 ± 12.5 |
96.7 ± 12.6 |
3.91 ± 0.31 |
1.80 ± 0.22 |
VC |
237.1 ± 5.2 |
29.3 ± 1.6 |
67.5 ± 8.8 |
102.3 ± 11.7 |
8.11 ± 0.52 |
2.34 ± 0.23 |
MX1 |
178.6 ± 4.9 |
44.0 ± 2.8 |
95.7 ± 12.5 |
96.8 ± 12.6 |
4.07 ± 0.32 |
1.87 ± 0.23 |
MX2 |
189.5 ± 5.1 |
41.2 ± 2.5 |
90.8 ± 11.9 |
98.0 ± 12.3 |
4.61 ± 0.35 |
1.96 ± 0.22 |
MX3 |
190.7 ± 5.3 |
36.1 ± 2.1 |
81.3 ± 10.6 |
100.1 ± 12.0 |
5.30 ± 0.38 |
1.93 ± 0.20 |
RH8 |
207.9 ± 5.3 |
17.2 ± 0.9 |
40.7 ± 5.3 |
105.1 ± 11.4 |
12.12 ± 0.73 |
1.99 ± 0.17 |
RH9 |
206.4 ± 5.4 |
16.9 ± 0.9 |
39.9 ± 5.2 |
105.1 ± 11.4 |
12.28 ± 0.74 |
1.98 ± 0.17 |
RH10 |
205.1 ± 5.4 |
16.7 ± 0.9 |
39.5 ± 5.2 |
105.1 ± 11.4 |
12.32 ± 0.74 |
1.97 ± 0.17 |
Average |
198.4 |
30.7 |
68.9 |
101.2 |
7.8 |
2.0 |
Median |
205.1 |
36.1 |
81.3 |
102.3 |
8.1 |
2.0 |
Deviation |
20.4 |
12.4 |
25.6 |
3.7 |
3.9 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
126.6 ± 7.1 |
66.1 ± 7.4 |
106.5 ± 5.7 |
107.5 ± 5.7 |
1.94 ± 0.29 |
1.18 ± 0.11 |
VC |
173.4 ± 5.5 |
41.8 ± 3.8 |
74.9 ± 4.0 |
119.2 ± 5.9 |
4.18 ± 0.44 |
1.46 ± 0.10 |
MX1 |
131.3 ± 7.5 |
65.8 ± 7.3 |
106.2 ± 5.7 |
107.7 ± 5.7 |
2.02 ± 0.31 |
1.22 ± 0.12 |
MX2 |
137.1 ± 8.8 |
60.7 ± 6.3 |
100.8 ± 5.4 |
110.7 ± 5.6 |
2.29 ± 0.35 |
1.24 ± 0.12 |
MX3 |
137.0 ± 9.9 |
52.3 ± 5.0 |
90.2 ± 4.9 |
115.0 ± 5.7 |
2.65 ± 0.41 |
1.19 ± 0.12 |
RH8 |
148.7 ± 5.5 |
24.2 ± 2.1 |
45.1 ± 2.4 |
124.0 ± 6.3 |
6.18 ± 0.64 |
1.20 ± 0.08 |
RH9 |
147.6 ± 5.7 |
23.7 ± 2.0 |
44.3 ± 2.4 |
124.1 ± 6.3 |
6.26 ± 0.66 |
1.19 ± 0.08 |
RH10 |
146.4 ± 5.8 |
23.5 ± 2.0 |
43.8 ± 2.4 |
124.2 ± 6.3 |
6.28 ± 0.66 |
1.18 ± 0.08 |
Average |
143.5 |
44.8 |
76.5 |
116.6 |
4.0 |
1.2 |
Median |
146.4 |
52.3 |
90.2 |
119.2 |
4.2 |
1.2 |
Deviation |
14.5 |
19.0 |
28.4 |
7.3 |
2.0 |
0.1 |
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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