Database: Wind Shock Analysis
Event ID: 19973440433
Observation time: 12/10/1997 344.18974 0433 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
1997 |
Fractional day of year |
344.189740 |
Arrival time of shock [seconds of day] |
16393.5 ± 3.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
206.798 |
Y GSE location of spacecraft [Re] |
9.960 |
Z GSE location of spacecraft [Re] |
22.562 |
Upstream plasma points selected for analysis |
0008 |
Upstream field points selected for analysis |
0237 |
Downstream plasma points selected for analysis |
0008
|
Downstream field points selected for analysis |
0250 |
Minimum chisq/dof for RH8,RH9,RH10 |
12.48, 33.06, 35.26 |
Event added to database
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Mon Feb 14 11:05:33 2005
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Event last processed
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Mon Mar 30 17:20:47 2009
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
52.082 ± 4.904
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-289.5 ± 1.6 |
-354.1 ± 1.4 |
Vy GSE [km/s] |
-13.8 ± 1.7 |
-5.5 ± 2.5 |
Vz GSE [km/s] |
-0.1 ± 4.0 |
-45.9 ± 3.1 |
Wi [km/s] |
26.4 ± 1.7 |
33.9 ± 1.6 |
We [km/s] |
833.5 ± 52.9 |
1071.1 ± 50.4 |
Ni [n/cc] |
10.2 ± 0.9 |
25.3 ± 2.3 |
Bx GSE [nT] |
1.9 ± 0.1 |
2.8 ± 0.3 |
By GSE [nT] |
-6.7 ± 0.2 |
-13.8 ± 0.4 |
Bz GSE [nT] |
-1.4 ± 0.4 |
-7.1 ± 0.9 |
Plasma Beta
|
0.303 ± 0.283
|
0.247 ± 0.263
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Sound Speed [km/s]
|
34.03 ± 2.16
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43.73 ± 2.06
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Alfven Speed [km/s]
|
48.44 ± 2.96
|
68.60 ± 3.48
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.441 ± 0.118 |
0.542 ± 0.099 |
-0.715 ± 0.557 |
-45.68 ± 3.51 |
129.16 ± 12.09 |
VC |
-0.812 ± 0.030 |
0.105 ± 0.036 |
-0.574 ± 0.500 |
-35.00 ± 2.94 |
172.64 ± 2.53 |
MX1 |
-0.817 ± 0.029 |
0.302 ± 0.063 |
-0.492 ± 0.448 |
-29.47 ± 2.19 |
159.73 ± 4.38 |
MX2 |
-0.836 ± 0.025 |
0.281 ± 0.051 |
-0.472 ± 0.433 |
-28.16 ± 2.35 |
161.44 ± 3.45 |
MX3 |
-0.849 ± 0.024 |
0.266 ± 0.045 |
-0.457 ± 0.422 |
-27.19 ± 2.54 |
162.62 ± 2.98 |
RH08 |
-0.903 ± 0.015 |
0.168 ± 0.032 |
-0.397 ± 0.374 |
-23.37 ± 2.00 |
169.47 ± 2.00 |
RH09 |
-0.971 ± 0.016 |
0.094 ± 0.071 |
-0.218 ± 0.214 |
-12.58 ± 3.96 |
174.48 ± 4.17 |
RH10 |
-0.980 ± 0.014 |
0.077 ± 0.070 |
-0.184 ± 0.182 |
-10.62 ± 4.00 |
175.49 ± 4.11 |
Average |
-0.826 |
0.229 |
-0.439 |
-26.511 |
163.129 |
Median |
-0.836 |
0.266 |
-0.457 |
-27.195 |
169.471 |
Deviation |
0.169 |
0.155 |
0.175 |
11.388 |
15.028 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
60.6 ± 2.8 |
232.5 ± 10.6 |
2.49 ± 0.35 |
VC |
78.0 ± 2.0 |
368.7 ± 12.9 |
2.49 ± 0.35 |
MX1 |
65.8 ± 1.9 |
364.8 ± 12.3 |
2.49 ± 0.35 |
MX2 |
66.4 ± 1.9 |
370.6 ± 12.3 |
2.49 ± 0.35 |
MX3 |
66.9 ± 1.8 |
374.7 ± 12.3 |
2.49 ± 0.35 |
RH08 |
70.9 ± 1.6 |
391.2 ± 12.4 |
2.49 ± 0.35 |
RH09 |
71.9 ± 1.1 |
403.9 ± 11.7 |
2.49 ± 0.35 |
RH10 |
72.3 ± 1.0 |
404.3 ± 11.6 |
2.49 ± 0.35 |
Average |
69.1 |
363.8 |
2.49 |
Median |
70.9 |
374.7 |
2.49 |
Deviation |
5.3 |
55.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
112.2 ± 3.4 |
14.0 ± 0.5 |
23.8 ± 1.5 |
57.6 ± 2.0 |
8.03 ± 0.46 |
1.95 ± 0.11 |
VC |
135.0 ± 2.9 |
5.8 ± 0.2 |
10.1 ± 0.6 |
59.0 ± 2.0 |
23.25 ± 1.04 |
2.29 ± 0.11 |
MX1 |
132.5 ± 2.6 |
11.6 ± 0.4 |
19.9 ± 1.2 |
58.1 ± 2.0 |
11.42 ± 0.51 |
2.28 ± 0.11 |
MX2 |
132.5 ± 2.6 |
11.3 ± 0.4 |
19.4 ± 1.2 |
58.2 ± 2.0 |
11.73 ± 0.51 |
2.28 ± 0.11 |
MX3 |
132.6 ± 2.5 |
11.1 ± 0.4 |
19.0 ± 1.2 |
58.2 ± 2.0 |
11.97 ± 0.52 |
2.28 ± 0.11 |
RH8 |
132.3 ± 2.3 |
9.2 ± 0.3 |
15.8 ± 1.0 |
58.5 ± 2.0 |
14.42 ± 0.59 |
2.26 ± 0.10 |
RH9 |
124.0 ± 1.9 |
8.7 ± 0.3 |
15.1 ± 0.9 |
58.6 ± 2.0 |
14.22 ± 0.51 |
2.12 ± 0.09 |
RH10 |
121.7 ± 1.8 |
8.5 ± 0.3 |
14.7 ± 0.9 |
58.6 ± 2.0 |
14.27 ± 0.50 |
2.08 ± 0.09 |
Average |
127.8 |
10.0 |
17.2 |
58.4 |
13.7 |
2.2 |
Median |
132.5 |
11.1 |
19.0 |
58.5 |
14.2 |
2.3 |
Deviation |
7.9 |
2.5 |
4.2 |
0.4 |
4.4 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
46.4 ± 2.7 |
18.5 ± 0.5 |
33.6 ± 1.7 |
79.3 ± 2.5 |
2.51 ± 0.18 |
0.59 ± 0.04 |
VC |
55.3 ± 1.7 |
7.7 ± 0.2 |
14.3 ± 0.7 |
81.0 ± 2.4 |
7.18 ± 0.35 |
0.68 ± 0.03 |
MX1 |
54.7 ± 1.8 |
15.4 ± 0.4 |
28.2 ± 1.4 |
79.9 ± 2.5 |
3.55 ± 0.18 |
0.68 ± 0.03 |
MX2 |
54.5 ± 1.8 |
15.0 ± 0.4 |
27.4 ± 1.4 |
80.0 ± 2.5 |
3.64 ± 0.18 |
0.68 ± 0.03 |
MX3 |
54.5 ± 1.7 |
14.7 ± 0.4 |
26.9 ± 1.4 |
80.1 ± 2.5 |
3.72 ± 0.18 |
0.68 ± 0.03 |
RH8 |
54.3 ± 1.5 |
12.2 ± 0.3 |
22.4 ± 1.1 |
80.5 ± 2.4 |
4.47 ± 0.21 |
0.68 ± 0.03 |
RH9 |
50.4 ± 1.3 |
11.6 ± 0.3 |
21.3 ± 1.1 |
80.6 ± 2.4 |
4.36 ± 0.20 |
0.63 ± 0.03 |
RH10 |
49.3 ± 1.3 |
11.3 ± 0.3 |
20.9 ± 1.1 |
80.6 ± 2.4 |
4.36 ± 0.20 |
0.61 ± 0.03 |
Average |
52.4 |
13.3 |
24.4 |
80.2 |
4.2 |
0.7 |
Median |
54.5 |
14.7 |
26.9 |
80.5 |
4.4 |
0.7 |
Deviation |
3.3 |
3.3 |
5.9 |
0.5 |
1.4 |
0.0 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00094.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00094.png)
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Velocity
![V](wi_selv_00094.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_00094.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00094.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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