Database: Wind Shock Analysis
Event ID: 19973640113
Observation time: 12/30/1997 364.05120 0113 [UT]
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General
Information (About, Top)
Year |
1997 |
Fractional day of year |
364.051198 |
Arrival time of shock [seconds of day] |
4423.5 ± 3.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
223.812 |
Y GSE location of spacecraft [Re] |
20.300 |
Z GSE location of spacecraft [Re] |
3.838 |
Upstream plasma points selected for analysis |
0009 |
Upstream field points selected for analysis |
0308 |
Downstream plasma points selected for analysis |
0007
|
Downstream field points selected for analysis |
0259 |
Minimum chisq/dof for RH8,RH9,RH10 |
4.27, 13.85, 14.79 |
Event added to database
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Mon Feb 14 11:05:47 2005
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Event last processed
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Mon Mar 30 17:26:51 2009
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Method selected
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RH08
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Propagation delay to Earth [minutes]
|
55.151 ± 1.061
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-320.4 ± 1.3 |
-372.2 ± 1.6 |
Vy GSE [km/s] |
-7.9 ± 2.1 |
-30.7 ± 3.0 |
Vz GSE [km/s] |
-21.8 ± 2.5 |
-25.3 ± 5.3 |
Wi [km/s] |
28.3 ± 0.6 |
35.1 ± 1.5 |
We [km/s] |
894.2 ± 17.8 |
1110.3 ± 48.3 |
Ni [n/cc] |
7.7 ± 0.2 |
15.7 ± 1.4 |
Bx GSE [nT] |
0.8 ± 0.7 |
3.9 ± 0.6 |
By GSE [nT] |
-5.3 ± 0.3 |
-9.5 ± 0.5 |
Bz GSE [nT] |
-0.3 ± 1.3 |
1.0 ± 3.4 |
Plasma Beta
|
0.424 ± 0.411
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0.356 ± 0.380
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Sound Speed [km/s]
|
36.51 ± 0.73
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45.33 ± 1.97
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Alfven Speed [km/s]
|
43.47 ± 1.13
|
59.44 ± 3.69
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.649 ± 0.567 |
-0.654 ± 0.563 |
-0.389 ± 0.368 |
-22.90 ± 33.36 |
225.23 ± 47.68 |
VC |
-0.914 ± 0.023 |
-0.400 ± 0.052 |
-0.063 ± 0.063 |
-3.60 ± 5.66 |
203.65 ± 3.23 |
MX1 |
-0.809 ± 0.115 |
-0.578 ± 0.160 |
-0.105 ± 0.105 |
-6.04 ± 6.53 |
215.54 ± 11.33 |
MX2 |
-0.846 ± 0.077 |
-0.530 ± 0.123 |
-0.063 ± 0.063 |
-3.62 ± 8.07 |
212.06 ± 8.34 |
MX3 |
-0.859 ± 0.070 |
-0.510 ± 0.117 |
-0.048 ± 0.048 |
-2.74 ± 9.95 |
210.69 ± 7.79 |
RH08 |
-0.979 ± 0.004 |
-0.200 ± 0.018 |
-0.050 ± 0.050 |
-2.88 ± 0.88 |
191.53 ± 1.04 |
RH09 |
-0.790 ± 0.043 |
-0.448 ± 0.062 |
0.419 ± 0.393 |
24.77 ± 3.98 |
209.58 ± 4.37 |
RH10 |
-0.818 ± 0.040 |
-0.427 ± 0.063 |
0.385 ± 0.365 |
22.67 ± 4.03 |
207.58 ± 4.34 |
Average |
-0.833 |
-0.468 |
0.011 |
0.708 |
209.482 |
Median |
-0.818 |
-0.448 |
-0.050 |
-2.882 |
210.686 |
Deviation |
0.097 |
0.137 |
0.267 |
15.704 |
9.656 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
56.3 ± 11.7 |
317.7 ± 9.3 |
2.03 ± 0.17 |
VC |
75.6 ± 8.3 |
407.5 ± 8.0 |
2.03 ± 0.17 |
MX1 |
64.0 ± 8.8 |
374.0 ± 7.8 |
2.03 ± 0.17 |
MX2 |
67.4 ± 8.4 |
385.7 ± 7.7 |
2.03 ± 0.17 |
MX3 |
68.8 ± 8.2 |
389.8 ± 7.6 |
2.03 ± 0.17 |
RH08 |
87.4 ± 8.1 |
423.4 ± 8.1 |
2.03 ± 0.17 |
RH09 |
73.2 ± 5.3 |
346.1 ± 5.2 |
2.03 ± 0.17 |
RH10 |
74.6 ± 5.3 |
358.4 ± 5.3 |
2.03 ± 0.17 |
Average |
70.9 |
375.3 |
2.03 |
Median |
73.2 |
385.7 |
2.03 |
Deviation |
9.2 |
34.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
96.2 ± 2.0 |
16.2 ± 0.2 |
24.1 ± 0.6 |
54.4 ± 0.9 |
5.96 ± 0.16 |
1.77 ± 0.05 |
VC |
110.0 ± 1.4 |
7.0 ± 0.1 |
10.8 ± 0.3 |
56.3 ± 0.9 |
15.71 ± 0.27 |
1.95 ± 0.03 |
MX1 |
107.9 ± 1.6 |
12.6 ± 0.2 |
19.1 ± 0.5 |
55.4 ± 0.9 |
8.59 ± 0.17 |
1.95 ± 0.04 |
MX2 |
109.2 ± 1.5 |
10.9 ± 0.2 |
16.7 ± 0.4 |
55.7 ± 0.9 |
9.99 ± 0.19 |
1.96 ± 0.04 |
MX3 |
109.5 ± 1.5 |
10.3 ± 0.2 |
15.7 ± 0.4 |
55.8 ± 0.9 |
10.65 ± 0.20 |
1.96 ± 0.04 |
RH8 |
107.2 ± 1.3 |
1.3 ± 0.0 |
2.0 ± 0.1 |
56.8 ± 0.9 |
84.97 ± 1.31 |
1.89 ± 0.03 |
RH9 |
98.7 ± 1.6 |
8.1 ± 0.1 |
12.5 ± 0.3 |
56.2 ± 0.9 |
12.12 ± 0.20 |
1.76 ± 0.03 |
RH10 |
101.3 ± 1.5 |
7.5 ± 0.1 |
11.6 ± 0.3 |
56.3 ± 0.9 |
13.52 ± 0.22 |
1.80 ± 0.03 |
Average |
105.0 |
9.2 |
14.1 |
55.9 |
20.2 |
1.9 |
Median |
107.9 |
10.3 |
15.7 |
56.2 |
12.1 |
1.9 |
Deviation |
5.4 |
4.4 |
6.6 |
0.7 |
26.3 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
46.3 ± 2.6 |
20.7 ± 0.3 |
32.9 ± 2.0 |
71.9 ± 2.1 |
2.24 ± 0.12 |
0.64 ± 0.03 |
VC |
53.4 ± 2.1 |
9.0 ± 0.1 |
14.8 ± 0.9 |
74.3 ± 2.0 |
5.93 ± 0.26 |
0.72 ± 0.02 |
MX1 |
52.4 ± 2.4 |
16.1 ± 0.2 |
26.1 ± 1.6 |
73.1 ± 2.0 |
3.25 ± 0.16 |
0.72 ± 0.02 |
MX2 |
53.1 ± 2.3 |
14.0 ± 0.2 |
22.8 ± 1.4 |
73.5 ± 2.0 |
3.78 ± 0.18 |
0.72 ± 0.02 |
MX3 |
53.2 ± 2.3 |
13.2 ± 0.2 |
21.5 ± 1.3 |
73.7 ± 2.0 |
4.03 ± 0.19 |
0.72 ± 0.02 |
RH8 |
51.8 ± 1.8 |
1.6 ± 0.0 |
2.7 ± 0.2 |
74.8 ± 2.0 |
31.92 ± 1.22 |
0.69 ± 0.02 |
RH9 |
49.1 ± 3.6 |
10.5 ± 0.2 |
17.2 ± 1.1 |
74.1 ± 2.0 |
4.69 ± 0.39 |
0.66 ± 0.04 |
RH10 |
50.6 ± 3.5 |
9.6 ± 0.1 |
15.8 ± 1.0 |
74.2 ± 2.0 |
5.26 ± 0.41 |
0.68 ± 0.03 |
Average |
51.2 |
11.9 |
19.2 |
73.7 |
7.6 |
0.7 |
Median |
52.4 |
13.2 |
21.5 |
74.1 |
4.7 |
0.7 |
Deviation |
2.5 |
5.6 |
9.0 |
0.9 |
9.9 |
0.0 |
Survey interval (About, Top)
Selected
data (About, Top)
Key plasma parameters
|
Velocity
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Magnetic Field
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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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