Database: Wind Shock Analysis
Event ID: 19973131003
Observation time: 11/09/1997 313.41936 1003 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
1997 |
Fractional day of year |
313.419358 |
Arrival time of shock [seconds of day] |
36232.5 ± 6.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
140.819 |
Y GSE location of spacecraft [Re] |
-43.764 |
Z GSE location of spacecraft [Re] |
19.943 |
Upstream plasma points selected for analysis |
0006 |
Upstream field points selected for analysis |
0189 |
Downstream plasma points selected for analysis |
0009
|
Downstream field points selected for analysis |
0265 |
Minimum chisq/dof for RH8,RH9,RH10 |
49.07, 88.12, 90.59 |
Event added to database
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Mon Feb 14 11:05:16 2005
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Event last processed
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Mon Mar 30 17:13:23 2009
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Method selected
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RH08
|
Propagation delay to Earth [minutes]
|
41.809 ± 7.148
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-363.4 ± 0.3 |
-375.8 ± 1.9 |
Vy GSE [km/s] |
-7.3 ± 0.3 |
21.0 ± 3.1 |
Vz GSE [km/s] |
-8.4 ± 0.3 |
-46.9 ± 2.4 |
Wi [km/s] |
18.4 ± 0.2 |
24.7 ± 0.7 |
We [km/s] |
582.2 ± 7.1 |
782.6 ± 23.1 |
Ni [n/cc] |
8.0 ± 0.3 |
14.9 ± 0.7 |
Bx GSE [nT] |
-3.6 ± 0.1 |
-7.3 ± 0.2 |
By GSE [nT] |
1.4 ± 0.1 |
-0.3 ± 0.6 |
Bz GSE [nT] |
1.3 ± 0.0 |
2.9 ± 0.3 |
Plasma Beta
|
0.343 ± 0.340
|
0.311 ± 0.304
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Sound Speed [km/s]
|
23.77 ± 0.29
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31.95 ± 0.94
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Alfven Speed [km/s]
|
31.48 ± 0.72
|
44.50 ± 1.71
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.399 ± 0.078 |
0.915 ± 0.034 |
0.060 ± 0.060 |
3.43 ± 5.95 |
113.58 ± 4.86 |
VC |
-0.253 ± 0.045 |
0.574 ± 0.050 |
-0.779 ± 0.560 |
-51.15 ± 3.75 |
113.75 ± 3.96 |
MX1 |
-0.545 ± 0.048 |
0.628 ± 0.050 |
-0.555 ± 0.489 |
-33.70 ± 5.49 |
130.96 ± 3.06 |
MX2 |
-0.541 ± 0.045 |
0.547 ± 0.044 |
-0.639 ± 0.533 |
-39.69 ± 3.54 |
134.68 ± 3.65 |
MX3 |
-0.534 ± 0.044 |
0.478 ± 0.046 |
-0.698 ± 0.553 |
-44.24 ± 2.81 |
138.16 ± 4.29 |
RH08 |
-0.518 ± 0.011 |
0.589 ± 0.010 |
-0.620 ± 0.525 |
-38.32 ± 0.58 |
131.36 ± 1.00 |
RH09 |
-0.920 ± 0.025 |
0.171 ± 0.063 |
-0.352 ± 0.337 |
-20.61 ± 3.71 |
169.47 ± 3.89 |
RH10 |
-0.920 ± 0.027 |
0.171 ± 0.065 |
-0.352 ± 0.337 |
-20.61 ± 3.96 |
169.47 ± 4.06 |
Average |
-0.579 |
0.509 |
-0.492 |
-30.612 |
137.681 |
Median |
-0.534 |
0.574 |
-0.555 |
-33.700 |
134.685 |
Deviation |
0.233 |
0.245 |
0.270 |
17.394 |
21.610 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
46.1 ± 1.6 |
198.4 ± 8.4 |
1.88 ± 0.08 |
VC |
79.8 ± 0.4 |
200.9 ± 6.9 |
1.88 ± 0.08 |
MX1 |
58.4 ± 0.4 |
297.6 ± 7.2 |
1.88 ± 0.08 |
MX2 |
62.3 ± 0.3 |
299.0 ± 6.8 |
1.88 ± 0.08 |
MX3 |
65.5 ± 0.3 |
298.0 ± 6.5 |
1.88 ± 0.08 |
RH08 |
62.2 ± 0.3 |
290.7 ± 7.0 |
1.88 ± 0.08 |
RH09 |
40.8 ± 1.1 |
399.8 ± 4.8 |
1.88 ± 0.08 |
RH10 |
40.8 ± 1.1 |
399.8 ± 4.8 |
1.88 ± 0.08 |
Average |
57.0 |
298.0 |
1.88 |
Median |
62.2 |
298.0 |
1.88 |
Deviation |
13.6 |
75.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
60.5 ± 0.3 |
14.1 ± 0.1 |
21.8 ± 0.5 |
36.8 ± 0.5 |
4.29 ± 0.03 |
1.64 ± 0.02 |
VC |
106.8 ± 0.4 |
3.4 ± 0.0 |
5.6 ± 0.1 |
39.3 ± 0.5 |
31.80 ± 0.19 |
2.72 ± 0.03 |
MX1 |
99.3 ± 0.4 |
10.3 ± 0.1 |
16.5 ± 0.4 |
38.1 ± 0.5 |
9.64 ± 0.05 |
2.61 ± 0.03 |
MX2 |
101.0 ± 0.4 |
9.1 ± 0.1 |
14.6 ± 0.3 |
38.4 ± 0.5 |
11.14 ± 0.06 |
2.63 ± 0.03 |
MX3 |
101.7 ± 0.4 |
8.0 ± 0.1 |
13.1 ± 0.3 |
38.6 ± 0.5 |
12.64 ± 0.07 |
2.63 ± 0.02 |
RH8 |
101.4 ± 0.4 |
9.1 ± 0.1 |
14.7 ± 0.3 |
38.4 ± 0.5 |
11.17 ± 0.06 |
2.64 ± 0.03 |
RH9 |
63.7 ± 0.4 |
15.6 ± 0.1 |
23.8 ± 0.5 |
36.2 ± 0.5 |
4.07 ± 0.02 |
1.76 ± 0.02 |
RH10 |
63.7 ± 0.4 |
15.6 ± 0.1 |
23.8 ± 0.5 |
36.2 ± 0.5 |
4.07 ± 0.02 |
1.76 ± 0.02 |
Average |
87.3 |
10.7 |
16.7 |
37.8 |
11.1 |
2.3 |
Median |
101.0 |
10.3 |
16.5 |
38.4 |
11.1 |
2.6 |
Deviation |
20.5 |
4.3 |
6.3 |
1.2 |
9.1 |
0.5 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
31.9 ± 3.0 |
19.2 ± 0.4 |
30.9 ± 1.2 |
51.3 ± 1.3 |
1.66 ± 0.17 |
0.62 ± 0.06 |
VC |
57.4 ± 1.7 |
4.6 ± 0.1 |
7.9 ± 0.3 |
54.6 ± 1.3 |
12.51 ± 0.57 |
1.05 ± 0.04 |
MX1 |
53.4 ± 1.8 |
14.1 ± 0.3 |
23.3 ± 0.9 |
53.0 ± 1.3 |
3.80 ± 0.19 |
1.01 ± 0.05 |
MX2 |
54.2 ± 1.8 |
12.4 ± 0.2 |
20.7 ± 0.8 |
53.4 ± 1.3 |
4.38 ± 0.21 |
1.02 ± 0.04 |
MX3 |
54.7 ± 1.7 |
11.0 ± 0.2 |
18.5 ± 0.7 |
53.7 ± 1.3 |
4.97 ± 0.24 |
1.02 ± 0.04 |
RH8 |
54.4 ± 1.8 |
12.4 ± 0.2 |
20.7 ± 0.8 |
53.4 ± 1.3 |
4.39 ± 0.22 |
1.02 ± 0.04 |
RH9 |
33.9 ± 1.9 |
21.3 ± 0.4 |
33.7 ± 1.3 |
50.5 ± 1.3 |
1.59 ± 0.11 |
0.67 ± 0.04 |
RH10 |
33.9 ± 1.9 |
21.3 ± 0.4 |
33.7 ± 1.3 |
50.5 ± 1.3 |
1.59 ± 0.11 |
0.67 ± 0.04 |
Average |
46.7 |
14.5 |
23.7 |
52.5 |
4.4 |
0.9 |
Median |
54.2 |
14.1 |
23.3 |
53.4 |
4.4 |
1.0 |
Deviation |
11.3 |
5.8 |
8.8 |
1.6 |
3.6 |
0.2 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00089.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00089.png)
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Velocity
![V](wi_selv_00089.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_00089.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00089.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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