Database: Wind Shock Analysis
Event ID: 19973260912
Observation time: 11/22/1997 326.38394 0912 [UT]
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General
Information (About, Top)
Year |
1997 |
Fractional day of year |
326.383941 |
Arrival time of shock [seconds of day] |
33172.5 ± 3.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
180.902 |
Y GSE location of spacecraft [Re] |
-17.499 |
Z GSE location of spacecraft [Re] |
27.800 |
Upstream plasma points selected for analysis |
0009 |
Upstream field points selected for analysis |
0297 |
Downstream plasma points selected for analysis |
0003
|
Downstream field points selected for analysis |
0291 |
Minimum chisq/dof for RH8,RH9,RH10 |
4.43, 5.96, 6.33 |
Event added to database
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Mon Feb 14 11:05:27 2005
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Event last processed
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Mon Mar 30 17:17:01 2009
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
38.277 ± 0.672
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-346.6 ± 1.3 |
-432.8 ± 6.4 |
Vy GSE [km/s] |
-2.0 ± 1.6 |
-27.4 ± 7.5 |
Vz GSE [km/s] |
-29.9 ± 2.9 |
-15.8 ± 19.2 |
Wi [km/s] |
41.1 ± 1.1 |
77.2 ± 5.5 |
We [km/s] |
1300.0 ± 33.3 |
2441.6 ± 173.8 |
Ni [n/cc] |
11.7 ± 0.5 |
29.0 ± 0.2 |
Bx GSE [nT] |
-1.4 ± 0.3 |
-7.1 ± 1.2 |
By GSE [nT] |
5.3 ± 0.4 |
8.9 ± 1.5 |
Bz GSE [nT] |
0.9 ± 0.8 |
-3.1 ± 8.3 |
Plasma Beta
|
1.327 ± 1.335
|
2.189 ± 1.983
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Sound Speed [km/s]
|
53.07 ± 1.36
|
99.68 ± 7.10
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Alfven Speed [km/s]
|
35.90 ± 2.19
|
54.82 ± 9.61
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.971 ± 0.273 |
-0.240 ± 1.108 |
0.015 ± 0.015 |
0.84 ± 18.22 |
193.86 ± 65.40 |
VC |
-0.948 ± 0.032 |
-0.282 ± 0.079 |
0.144 ± 0.143 |
8.28 ± 9.28 |
196.57 ± 4.74 |
MX1 |
-0.803 ± 0.387 |
-0.594 ± 0.524 |
0.043 ± 0.043 |
2.44 ± 11.19 |
216.50 ± 37.35 |
MX2 |
-0.761 ± 0.266 |
-0.646 ± 0.313 |
0.058 ± 0.058 |
3.30 ± 10.60 |
220.33 ± 23.58 |
MX3 |
-0.760 ± 0.255 |
-0.648 ± 0.299 |
0.059 ± 0.059 |
3.40 ± 12.05 |
220.45 ± 22.54 |
RH08 |
-0.991 ± 0.003 |
-0.131 ± 0.019 |
-0.028 ± 0.028 |
-1.60 ± 1.45 |
187.52 ± 1.08 |
RH09 |
-0.989 ± 0.010 |
-0.131 ± 0.066 |
-0.073 ± 0.072 |
-4.16 ± 3.87 |
187.52 ± 3.81 |
RH10 |
-0.989 ± 0.010 |
-0.131 ± 0.067 |
-0.073 ± 0.072 |
-4.16 ± 4.02 |
187.52 ± 3.91 |
Average |
-0.901 |
-0.350 |
0.018 |
1.041 |
201.284 |
Median |
-0.948 |
-0.240 |
0.043 |
2.443 |
196.570 |
Deviation |
0.107 |
0.238 |
0.074 |
4.247 |
15.152 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
89.1 ± 3.4 |
484.3 ± 7.9 |
2.54 ± 0.07 |
VC |
89.4 ± 2.9 |
472.7 ± 10.6 |
2.54 ± 0.07 |
MX1 |
69.1 ± 3.2 |
420.2 ± 5.3 |
2.54 ± 0.07 |
MX2 |
65.5 ± 3.1 |
401.7 ± 5.2 |
2.54 ± 0.07 |
MX3 |
65.4 ± 3.1 |
401.1 ± 5.2 |
2.54 ± 0.07 |
RH08 |
83.3 ± 3.6 |
489.6 ± 7.9 |
2.54 ± 0.07 |
RH09 |
83.7 ± 3.9 |
489.9 ± 6.9 |
2.54 ± 0.07 |
RH10 |
83.7 ± 3.9 |
489.9 ± 6.9 |
2.54 ± 0.07 |
Average |
78.7 |
456.2 |
2.54 |
Median |
83.7 |
484.3 |
2.54 |
Deviation |
10.3 |
41.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
147.8 ± 1.1 |
0.5 ± 0.0 |
0.6 ± 0.0 |
64.1 ± 1.4 |
325.10 ± 12.83 |
2.31 ± 0.05 |
VC |
147.7 ± 1.0 |
0.3 ± 0.0 |
0.4 ± 0.0 |
64.1 ± 1.4 |
494.98 ± 19.88 |
2.30 ± 0.05 |
MX1 |
142.0 ± 0.9 |
10.8 ± 0.4 |
12.8 ± 0.8 |
63.2 ± 1.4 |
13.22 ± 0.58 |
2.25 ± 0.05 |
MX2 |
138.4 ± 1.0 |
12.5 ± 0.5 |
14.9 ± 0.9 |
62.9 ± 1.4 |
11.05 ± 0.50 |
2.20 ± 0.05 |
MX3 |
138.3 ± 1.0 |
12.6 ± 0.5 |
14.9 ± 0.9 |
62.9 ± 1.4 |
11.00 ± 0.49 |
2.20 ± 0.05 |
RH8 |
145.0 ± 1.2 |
3.5 ± 0.1 |
4.2 ± 0.3 |
64.0 ± 1.4 |
41.92 ± 1.62 |
2.27 ± 0.05 |
RH9 |
144.7 ± 1.3 |
3.2 ± 0.1 |
3.9 ± 0.2 |
64.0 ± 1.4 |
44.65 ± 1.72 |
2.26 ± 0.05 |
RH10 |
144.7 ± 1.3 |
3.2 ± 0.1 |
3.9 ± 0.2 |
64.0 ± 1.4 |
44.65 ± 1.72 |
2.26 ± 0.05 |
Average |
143.6 |
5.8 |
6.9 |
63.7 |
123.3 |
2.3 |
Median |
144.7 |
3.5 |
4.2 |
64.0 |
44.7 |
2.3 |
Deviation |
3.7 |
5.3 |
6.2 |
0.6 |
183.3 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
57.8 ± 4.9 |
0.7 ± 0.1 |
0.8 ± 0.1 |
114.2 ± 1.8 |
80.60 ± 15.72 |
0.51 ± 0.04 |
VC |
56.7 ± 7.0 |
0.5 ± 0.1 |
0.6 ± 0.1 |
114.2 ± 1.8 |
120.84 ± 27.98 |
0.50 ± 0.06 |
MX1 |
57.1 ± 2.8 |
17.2 ± 2.1 |
19.6 ± 3.4 |
112.9 ± 2.1 |
3.37 ± 0.58 |
0.51 ± 0.02 |
MX2 |
55.6 ± 2.7 |
20.0 ± 2.5 |
22.7 ± 4.0 |
112.4 ± 2.2 |
2.82 ± 0.49 |
0.49 ± 0.01 |
MX3 |
55.5 ± 2.7 |
20.1 ± 2.5 |
22.8 ± 4.0 |
112.4 ± 2.2 |
2.81 ± 0.49 |
0.49 ± 0.01 |
RH8 |
56.7 ± 5.0 |
5.5 ± 0.7 |
6.4 ± 1.1 |
114.0 ± 1.8 |
10.39 ± 2.01 |
0.50 ± 0.04 |
RH9 |
57.2 ± 4.1 |
5.2 ± 0.6 |
6.0 ± 1.0 |
114.0 ± 1.8 |
11.18 ± 2.00 |
0.50 ± 0.03 |
RH10 |
57.2 ± 4.1 |
5.2 ± 0.6 |
6.0 ± 1.0 |
114.0 ± 1.8 |
11.18 ± 2.00 |
0.50 ± 0.03 |
Average |
56.7 |
9.3 |
10.6 |
113.5 |
30.4 |
0.5 |
Median |
57.1 |
5.5 |
6.4 |
114.0 |
11.2 |
0.5 |
Deviation |
0.8 |
8.4 |
9.5 |
0.8 |
44.9 |
0.0 |
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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