Database: Wind Shock Analysis
Event ID: 19970641254
Observation time: 03/05/1997 64.53800 1254 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
1997 |
Fractional day of year |
64.538003 |
Arrival time of shock [seconds of day] |
46483.5 ± 10.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
222.156 |
Y GSE location of spacecraft [Re] |
19.620 |
Z GSE location of spacecraft [Re] |
-5.470 |
Upstream plasma points selected for analysis |
0009 |
Upstream field points selected for analysis |
0249 |
Downstream plasma points selected for analysis |
0009
|
Downstream field points selected for analysis |
0248 |
Minimum chisq/dof for RH8,RH9,RH10 |
6.38, 16.83, 17.09 |
Event added to database
|
Mon Feb 14 11:04:05 2005
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Event last processed
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Mon Mar 30 16:42:54 2009
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
58.173 ± 2.802
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-320.2 ± 2.2 |
-362.6 ± 2.1 |
Vy GSE [km/s] |
-8.2 ± 0.8 |
-17.5 ± 1.1 |
Vz GSE [km/s] |
-9.9 ± 2.8 |
-17.6 ± 2.5 |
Wi [km/s] |
20.9 ± 1.8 |
34.2 ± 0.7 |
We [km/s] |
661.8 ± 57.0 |
1083.0 ± 22.9 |
Ni [n/cc] |
7.7 ± 0.3 |
17.3 ± 0.9 |
Bx GSE [nT] |
3.8 ± 0.1 |
3.5 ± 0.4 |
By GSE [nT] |
-0.5 ± 0.2 |
-2.4 ± 0.6 |
Bz GSE [nT] |
2.3 ± 0.1 |
5.3 ± 0.6 |
Plasma Beta
|
0.358 ± 0.358
|
0.909 ± 0.885
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Sound Speed [km/s]
|
27.02 ± 2.33
|
44.21 ± 0.93
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Alfven Speed [km/s]
|
35.26 ± 1.31
|
36.02 ± 1.30
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.979 ± 0.022 |
-0.115 ± 0.098 |
-0.170 ± 0.169 |
-9.80 ± 6.30 |
186.70 ± 5.72 |
VC |
-0.962 ± 0.015 |
-0.211 ± 0.031 |
-0.173 ± 0.171 |
-9.96 ± 4.43 |
192.37 ± 1.85 |
MX1 |
-0.960 ± 0.025 |
-0.195 ± 0.096 |
-0.199 ± 0.196 |
-11.47 ± 4.66 |
191.48 ± 5.71 |
MX2 |
-0.961 ± 0.023 |
-0.194 ± 0.083 |
-0.196 ± 0.194 |
-11.31 ± 4.90 |
191.42 ± 4.95 |
MX3 |
-0.962 ± 0.023 |
-0.193 ± 0.078 |
-0.194 ± 0.192 |
-11.21 ± 5.09 |
191.35 ± 4.65 |
RH08 |
-0.975 ± 0.002 |
-0.077 ± 0.009 |
-0.207 ± 0.204 |
-11.93 ± 0.59 |
184.51 ± 0.55 |
RH09 |
-0.999 ± 0.003 |
-0.026 ± 0.068 |
-0.028 ± 0.028 |
-1.60 ± 4.06 |
181.50 ± 3.91 |
RH10 |
-1.000 ± 0.001 |
-0.009 ± 0.068 |
-0.017 ± 0.017 |
-0.96 ± 4.06 |
180.50 ± 3.91 |
Average |
-0.975 |
-0.128 |
-0.148 |
-8.531 |
187.480 |
Median |
-0.962 |
-0.115 |
-0.173 |
-9.964 |
191.353 |
Deviation |
0.017 |
0.082 |
0.079 |
4.537 |
4.844 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
25.1 ± 1.9 |
393.9 ± 5.4 |
2.26 ± 0.14 |
VC |
28.2 ± 2.0 |
389.9 ± 5.4 |
2.26 ± 0.14 |
MX1 |
26.5 ± 2.0 |
389.2 ± 5.4 |
2.26 ± 0.14 |
MX2 |
26.6 ± 2.0 |
389.5 ± 5.4 |
2.26 ± 0.14 |
MX3 |
26.6 ± 2.0 |
389.6 ± 5.4 |
2.26 ± 0.14 |
RH08 |
22.2 ± 1.9 |
392.4 ± 5.4 |
2.26 ± 0.14 |
RH09 |
30.6 ± 2.0 |
396.5 ± 5.2 |
2.26 ± 0.14 |
RH10 |
31.0 ± 2.0 |
396.1 ± 5.2 |
2.26 ± 0.14 |
Average |
27.1 |
392.1 |
2.26 |
Median |
26.6 |
392.4 |
2.26 |
Deviation |
2.9 |
3.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
77.9 ± 2.2 |
22.4 ± 1.3 |
31.9 ± 1.2 |
38.4 ± 0.9 |
3.49 ± 0.26 |
2.03 ± 0.06 |
VC |
78.4 ± 2.2 |
21.5 ± 1.2 |
31.1 ± 1.2 |
38.9 ± 0.9 |
3.65 ± 0.26 |
2.02 ± 0.06 |
MX1 |
78.1 ± 2.3 |
22.0 ± 1.3 |
31.6 ± 1.2 |
38.6 ± 0.9 |
3.56 ± 0.26 |
2.02 ± 0.06 |
MX2 |
78.1 ± 2.2 |
22.0 ± 1.3 |
31.5 ± 1.2 |
38.6 ± 0.9 |
3.56 ± 0.26 |
2.02 ± 0.06 |
MX3 |
78.1 ± 2.2 |
22.0 ± 1.3 |
31.5 ± 1.2 |
38.6 ± 0.9 |
3.57 ± 0.26 |
2.02 ± 0.06 |
RH8 |
77.4 ± 2.3 |
23.2 ± 1.4 |
32.6 ± 1.2 |
37.9 ± 0.9 |
3.35 ± 0.25 |
2.04 ± 0.05 |
RH9 |
76.0 ± 2.2 |
20.8 ± 1.1 |
30.3 ± 1.1 |
39.3 ± 1.0 |
3.66 ± 0.27 |
1.93 ± 0.06 |
RH10 |
75.7 ± 2.2 |
20.7 ± 1.1 |
30.2 ± 1.1 |
39.4 ± 1.0 |
3.67 ± 0.27 |
1.92 ± 0.07 |
Average |
77.5 |
21.8 |
31.4 |
38.7 |
3.6 |
2.0 |
Median |
78.1 |
22.0 |
31.5 |
38.6 |
3.6 |
2.0 |
Deviation |
1.1 |
0.8 |
0.8 |
0.5 |
0.1 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
34.0 ± 2.3 |
29.5 ± 0.7 |
32.6 ± 1.2 |
48.8 ± 0.7 |
1.15 ± 0.10 |
0.70 ± 0.05 |
VC |
34.4 ± 2.3 |
28.3 ± 0.7 |
31.7 ± 1.1 |
49.5 ± 0.7 |
1.21 ± 0.10 |
0.69 ± 0.05 |
MX1 |
34.1 ± 2.3 |
29.0 ± 0.7 |
32.2 ± 1.2 |
49.1 ± 0.7 |
1.18 ± 0.10 |
0.69 ± 0.05 |
MX2 |
34.1 ± 2.3 |
29.0 ± 0.7 |
32.2 ± 1.2 |
49.1 ± 0.7 |
1.18 ± 0.10 |
0.69 ± 0.05 |
MX3 |
34.1 ± 2.3 |
29.0 ± 0.7 |
32.2 ± 1.2 |
49.1 ± 0.7 |
1.18 ± 0.10 |
0.69 ± 0.05 |
RH8 |
33.8 ± 2.3 |
30.6 ± 0.8 |
33.3 ± 1.2 |
48.1 ± 0.7 |
1.11 ± 0.10 |
0.70 ± 0.05 |
RH9 |
33.2 ± 2.2 |
27.4 ± 0.6 |
31.0 ± 1.1 |
50.0 ± 0.7 |
1.21 ± 0.10 |
0.66 ± 0.05 |
RH10 |
33.1 ± 2.2 |
27.2 ± 0.6 |
30.9 ± 1.1 |
50.1 ± 0.7 |
1.22 ± 0.10 |
0.66 ± 0.05 |
Average |
33.9 |
28.8 |
32.0 |
49.2 |
1.2 |
0.7 |
Median |
34.1 |
29.0 |
32.2 |
49.1 |
1.2 |
0.7 |
Deviation |
0.5 |
1.1 |
0.8 |
0.7 |
0.0 |
0.0 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00071.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00071.png)
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Velocity
![V](wi_selv_00071.png)
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Magnetic Field
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Simple
Methods
(About, Top)
Rankine Chi^2
Contour (About, Top)
Shock
Speed (About, Top)
![Shock Speed](wi_shockspeed_00071.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00071.png)
Mach Numbers (About, Top)
Page updated Fri Jun 13 11:06:02 2014
Michael L Stevens
(mstevens@cfa.harvard.edu)
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