Database: Wind Shock Analysis
Event ID: 20012241612
Observation time: 08/12/2001 224.67554 1612 [UT]
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General
Information (About, Top)
Year |
2001 |
Fractional day of year |
224.675538 |
Arrival time of shock [seconds of day] |
58366.5 ± 3.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
42.550 |
Y GSE location of spacecraft [Re] |
288.645 |
Z GSE location of spacecraft [Re] |
18.420 |
Upstream plasma points selected for analysis |
0008 |
Upstream field points selected for analysis |
0240 |
Downstream plasma points selected for analysis |
0006
|
Downstream field points selected for analysis |
0197 |
Minimum chisq/dof for RH8,RH9,RH10 |
72.94, 27.23, 28.03 |
Event added to database
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Mon Feb 14 11:14:43 2005
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Event last processed
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Mon Mar 30 21:22:35 2009
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
-16.409 ± 6.667
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-336.9 ± 2.3 |
-360.4 ± 2.2 |
Vy GSE [km/s] |
-14.7 ± 2.7 |
15.4 ± 2.3 |
Vz GSE [km/s] |
22.4 ± 3.3 |
-13.7 ± 1.3 |
Wi [km/s] |
27.4 ± 0.8 |
31.8 ± 1.6 |
We [km/s] |
865.7 ± 24.5 |
1006.0 ± 49.1 |
Ni [n/cc] |
13.6 ± 0.6 |
22.7 ± 0.7 |
Bx GSE [nT] |
-4.4 ± 0.1 |
-4.4 ± 0.4 |
By GSE [nT] |
-7.8 ± 0.2 |
-11.5 ± 0.2 |
Bz GSE [nT] |
-3.6 ± 0.2 |
-5.3 ± 0.3 |
Plasma Beta
|
0.232 ± 0.221
|
0.270 ± 0.278
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Sound Speed [km/s]
|
35.34 ± 1.00
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41.07 ± 2.00
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Alfven Speed [km/s]
|
56.97 ± 2.04
|
61.34 ± 1.66
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.999 ± 0.006 |
0.009 ± 0.117 |
-0.032 ± 0.032 |
-1.85 ± 10.08 |
179.51 ± 6.69 |
VC |
-0.448 ± 0.035 |
0.573 ± 0.035 |
-0.687 ± 0.550 |
-43.36 ± 2.86 |
128.00 ± 2.76 |
MX1 |
-0.553 ± 0.048 |
0.345 ± 0.057 |
-0.759 ± 0.561 |
-49.34 ± 3.13 |
148.03 ± 5.50 |
MX2 |
-0.526 ± 0.051 |
0.352 ± 0.056 |
-0.774 ± 0.560 |
-50.71 ± 3.50 |
146.18 ± 5.36 |
MX3 |
-0.465 ± 0.059 |
0.368 ± 0.058 |
-0.805 ± 0.555 |
-53.62 ± 4.35 |
141.59 ± 5.45 |
RH08 |
-0.697 ± 0.011 |
0.319 ± 0.011 |
-0.642 ± 0.535 |
-39.98 ± 0.97 |
155.43 ± 0.82 |
RH09 |
-0.876 ± 0.034 |
-0.085 ± 0.068 |
0.475 ± 0.435 |
28.35 ± 4.07 |
185.52 ± 4.47 |
RH10 |
-0.876 ± 0.034 |
-0.085 ± 0.068 |
0.475 ± 0.435 |
28.35 ± 4.07 |
185.52 ± 4.47 |
Average |
-0.680 |
0.225 |
-0.344 |
-22.769 |
158.722 |
Median |
-0.553 |
0.345 |
-0.642 |
-39.975 |
155.432 |
Deviation |
0.214 |
0.245 |
0.562 |
35.502 |
21.999 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
62.5 ± 0.9 |
397.3 ± 7.8 |
1.66 ± 0.11 |
VC |
90.0 ± 1.5 |
260.1 ± 13.8 |
1.66 ± 0.11 |
MX1 |
75.0 ± 1.5 |
291.6 ± 13.7 |
1.66 ± 0.11 |
MX2 |
75.7 ± 1.5 |
282.2 ± 13.7 |
1.66 ± 0.11 |
MX3 |
77.5 ± 1.5 |
260.6 ± 13.7 |
1.66 ± 0.11 |
RH08 |
72.4 ± 1.4 |
340.2 ± 13.2 |
1.66 ± 0.11 |
RH09 |
73.1 ± 0.5 |
308.5 ± 5.0 |
1.66 ± 0.11 |
RH10 |
73.1 ± 0.5 |
308.5 ± 5.0 |
1.66 ± 0.11 |
Average |
74.9 |
306.1 |
1.66 |
Median |
75.0 |
308.5 |
1.66 |
Deviation |
7.6 |
45.5 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
61.4 ± 2.4 |
14.2 ± 0.3 |
26.3 ± 0.9 |
65.5 ± 1.6 |
4.34 ± 0.22 |
0.94 ± 0.06 |
VC |
133.1 ± 4.5 |
0.0 ± 0.0 |
0.0 ± 0.0 |
67.1 ± 1.6 |
******* ± ******* |
1.99 ± 0.11 |
MX1 |
127.4 ± 4.4 |
7.8 ± 0.2 |
14.7 ± 0.5 |
66.6 ± 1.6 |
16.30 ± 0.82 |
1.92 ± 0.11 |
MX2 |
127.5 ± 4.4 |
7.4 ± 0.1 |
14.0 ± 0.5 |
66.6 ± 1.6 |
17.15 ± 0.86 |
1.92 ± 0.11 |
MX3 |
127.4 ± 4.5 |
6.6 ± 0.1 |
12.4 ± 0.4 |
66.7 ± 1.6 |
19.46 ± 0.98 |
1.91 ± 0.11 |
RH8 |
124.5 ± 4.3 |
9.2 ± 0.2 |
17.2 ± 0.6 |
66.4 ± 1.6 |
13.60 ± 0.68 |
1.88 ± 0.10 |
RH9 |
1.5 ± 1.2 |
8.8 ± 0.2 |
16.5 ± 0.6 |
66.5 ± 1.6 |
0.17 ± 0.13 |
0.02 ± 0.02 |
RH10 |
1.5 ± 1.2 |
8.8 ± 0.2 |
16.5 ± 0.6 |
66.5 ± 1.6 |
0.17 ± 0.13 |
0.02 ± 0.02 |
Average |
88.0 |
7.8 |
14.7 |
66.5 |
27649.0 |
1.3 |
Median |
127.4 |
8.8 |
16.5 |
66.6 |
16.3 |
1.9 |
Deviation |
58.2 |
3.9 |
7.3 |
0.4 |
78174.5 |
0.9 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
36.5 ± 2.1 |
16.1 ± 0.6 |
28.3 ± 0.8 |
72.1 ± 1.6 |
2.27 ± 0.19 |
0.51 ± 0.04 |
VC |
80.6 ± 1.6 |
0.0 ± 0.0 |
0.0 ± 0.0 |
73.8 ± 1.6 |
******* ± 5965.70 |
1.09 ± 0.04 |
MX1 |
76.7 ± 1.4 |
8.9 ± 0.3 |
15.9 ± 0.4 |
73.3 ± 1.6 |
8.63 ± 0.41 |
1.05 ± 0.04 |
MX2 |
76.6 ± 1.4 |
8.5 ± 0.3 |
15.1 ± 0.4 |
73.4 ± 1.6 |
9.07 ± 0.42 |
1.04 ± 0.04 |
MX3 |
76.3 ± 1.3 |
7.4 ± 0.3 |
13.3 ± 0.4 |
73.5 ± 1.6 |
10.27 ± 0.47 |
1.04 ± 0.04 |
RH8 |
75.4 ± 1.7 |
10.4 ± 0.4 |
18.5 ± 0.5 |
73.1 ± 1.6 |
7.25 ± 0.37 |
1.03 ± 0.04 |
RH9 |
0.6 ± 2.1 |
10.0 ± 0.3 |
17.8 ± 0.5 |
73.2 ± 1.6 |
0.06 ± 0.21 |
0.01 ± 0.03 |
RH10 |
0.6 ± 2.1 |
10.0 ± 0.3 |
17.8 ± 0.5 |
73.2 ± 1.6 |
0.06 ± 0.21 |
0.01 ± 0.03 |
Average |
52.9 |
8.9 |
15.8 |
73.2 |
14740.8 |
0.7 |
Median |
76.3 |
10.0 |
17.8 |
73.3 |
8.6 |
1.0 |
Deviation |
35.2 |
4.4 |
7.8 |
0.5 |
41678.1 |
0.5 |
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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