Database: Wind Shock Analysis
Event ID: 20011260906
Observation time: 05/06/2001 126.37925 0906 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
2001 |
Fractional day of year |
126.379253 |
Arrival time of shock [seconds of day] |
32767.5 ± 3.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
15.996 |
Y GSE location of spacecraft [Re] |
-227.793 |
Z GSE location of spacecraft [Re] |
-7.700 |
Upstream plasma points selected for analysis |
0010 |
Upstream field points selected for analysis |
0301 |
Downstream plasma points selected for analysis |
0011
|
Downstream field points selected for analysis |
0335 |
Minimum chisq/dof for RH8,RH9,RH10 |
18.77, 20.13, 20.39 |
Event added to database
|
Mon Feb 14 11:13:44 2005
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Event last processed
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Mon Mar 30 20:59:32 2009
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
-10.874 ± 0.258
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-314.5 ± 1.0 |
-328.4 ± 1.3 |
Vy GSE [km/s] |
-21.5 ± 1.5 |
-44.0 ± 0.9 |
Vz GSE [km/s] |
-6.3 ± 1.7 |
-14.5 ± 2.9 |
Wi [km/s] |
23.6 ± 0.4 |
25.9 ± 0.3 |
We [km/s] |
744.9 ± 13.1 |
819.4 ± 8.9 |
Ni [n/cc] |
8.7 ± 0.2 |
13.4 ± 0.4 |
Bx GSE [nT] |
-4.2 ± 0.2 |
-6.4 ± 0.2 |
By GSE [nT] |
0.9 ± 0.2 |
4.3 ± 0.3 |
Bz GSE [nT] |
2.4 ± 0.3 |
1.4 ± 0.6 |
Plasma Beta
|
0.413 ± 0.416
|
0.309 ± 0.314
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Sound Speed [km/s]
|
30.41 ± 0.53
|
33.45 ± 0.36
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Alfven Speed [km/s]
|
36.65 ± 0.35
|
46.69 ± 1.06
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.703 ± 0.103 |
-0.227 ± 0.132 |
0.674 ± 0.547 |
42.41 ± 8.40 |
197.89 ± 10.51 |
VC |
-0.502 ± 0.047 |
-0.814 ± 0.037 |
-0.293 ± 0.285 |
-17.06 ± 5.89 |
238.32 ± 3.09 |
MX1 |
-0.854 ± 0.075 |
-0.520 ± 0.123 |
0.025 ± 0.025 |
1.43 ± 10.84 |
211.33 ± 8.23 |
MX2 |
-0.793 ± 0.068 |
-0.569 ± 0.092 |
-0.220 ± 0.216 |
-12.70 ± 5.28 |
215.66 ± 6.63 |
MX3 |
-0.714 ± 0.065 |
-0.575 ± 0.079 |
-0.399 ± 0.377 |
-23.53 ± 3.87 |
218.87 ± 6.16 |
RH08 |
-0.959 ± 0.002 |
-0.231 ± 0.000 |
-0.162 ± 0.161 |
-9.32 ± 0.65 |
193.54 ± 0.00 |
RH09 |
-0.965 ± 0.013 |
-0.215 ± 0.042 |
-0.151 ± 0.150 |
-8.68 ± 3.42 |
192.53 ± 2.49 |
RH10 |
-0.965 ± 0.014 |
-0.215 ± 0.044 |
-0.151 ± 0.150 |
-8.68 ± 3.79 |
192.53 ± 2.62 |
Average |
-0.807 |
-0.421 |
-0.085 |
-4.517 |
207.585 |
Median |
-0.793 |
-0.231 |
-0.151 |
-8.675 |
211.335 |
Deviation |
0.164 |
0.229 |
0.330 |
20.288 |
16.456 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
28.3 ± 1.3 |
248.6 ± 4.9 |
1.54 ± 0.05 |
VC |
82.4 ± 4.5 |
257.0 ± 7.4 |
1.54 ± 0.05 |
MX1 |
50.0 ± 4.6 |
347.2 ± 5.7 |
1.54 ± 0.05 |
MX2 |
62.5 ± 4.9 |
336.7 ± 6.6 |
1.54 ± 0.05 |
MX3 |
72.1 ± 5.0 |
314.7 ± 7.3 |
1.54 ± 0.05 |
RH08 |
45.8 ± 5.2 |
365.6 ± 5.3 |
1.54 ± 0.05 |
RH09 |
44.7 ± 5.2 |
365.7 ± 5.2 |
1.54 ± 0.05 |
RH10 |
44.7 ± 5.2 |
365.7 ± 5.2 |
1.54 ± 0.05 |
Average |
53.8 |
325.1 |
1.54 |
Median |
50.0 |
347.2 |
1.54 |
Deviation |
17.4 |
48.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
27.0 ± 0.8 |
23.8 ± 0.3 |
32.3 ± 0.3 |
41.3 ± 0.3 |
1.14 ± 0.03 |
0.65 ± 0.02 |
VC |
79.8 ± 2.0 |
3.1 ± 0.0 |
4.9 ± 0.0 |
47.5 ± 0.4 |
25.72 ± 0.68 |
1.68 ± 0.05 |
MX1 |
67.6 ± 1.5 |
15.9 ± 0.2 |
23.5 ± 0.2 |
44.9 ± 0.4 |
4.24 ± 0.10 |
1.51 ± 0.04 |
MX2 |
73.9 ± 1.8 |
11.1 ± 0.1 |
16.9 ± 0.2 |
46.3 ± 0.4 |
6.64 ± 0.17 |
1.60 ± 0.04 |
MX3 |
75.3 ± 2.0 |
7.3 ± 0.1 |
11.3 ± 0.1 |
47.1 ± 0.4 |
10.36 ± 0.30 |
1.60 ± 0.05 |
RH8 |
57.9 ± 1.5 |
17.5 ± 0.2 |
25.5 ± 0.2 |
44.3 ± 0.4 |
3.30 ± 0.09 |
1.31 ± 0.04 |
RH9 |
56.7 ± 1.4 |
17.9 ± 0.2 |
26.0 ± 0.2 |
44.1 ± 0.4 |
3.16 ± 0.09 |
1.29 ± 0.04 |
RH10 |
56.7 ± 1.4 |
17.9 ± 0.2 |
26.0 ± 0.2 |
44.1 ± 0.4 |
3.16 ± 0.09 |
1.29 ± 0.04 |
Average |
61.9 |
14.3 |
20.8 |
44.9 |
7.2 |
1.4 |
Median |
67.6 |
17.5 |
25.5 |
44.9 |
4.2 |
1.5 |
Deviation |
16.8 |
6.7 |
9.1 |
2.0 |
8.0 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
17.7 ± 1.4 |
27.2 ± 0.2 |
41.1 ± 0.9 |
50.6 ± 0.9 |
0.65 ± 0.05 |
0.35 ± 0.03 |
VC |
52.0 ± 1.3 |
3.6 ± 0.0 |
6.2 ± 0.1 |
57.3 ± 0.8 |
14.43 ± 0.44 |
0.91 ± 0.03 |
MX1 |
44.2 ± 0.9 |
18.4 ± 0.1 |
30.0 ± 0.7 |
54.4 ± 0.8 |
2.40 ± 0.06 |
0.81 ± 0.02 |
MX2 |
48.2 ± 1.4 |
12.9 ± 0.1 |
21.6 ± 0.5 |
56.0 ± 0.8 |
3.73 ± 0.13 |
0.86 ± 0.03 |
MX3 |
49.1 ± 1.8 |
8.4 ± 0.1 |
14.3 ± 0.3 |
56.8 ± 0.8 |
5.82 ± 0.24 |
0.86 ± 0.03 |
RH8 |
38.0 ± 1.5 |
20.2 ± 0.2 |
32.5 ± 0.7 |
53.8 ± 0.8 |
1.88 ± 0.09 |
0.71 ± 0.03 |
RH9 |
37.2 ± 1.5 |
20.7 ± 0.2 |
33.2 ± 0.7 |
53.6 ± 0.8 |
1.80 ± 0.08 |
0.69 ± 0.03 |
RH10 |
37.2 ± 1.5 |
20.7 ± 0.2 |
33.2 ± 0.7 |
53.6 ± 0.8 |
1.80 ± 0.08 |
0.69 ± 0.03 |
Average |
40.4 |
16.5 |
26.5 |
54.5 |
4.1 |
0.7 |
Median |
44.2 |
20.2 |
32.5 |
54.4 |
2.4 |
0.8 |
Deviation |
10.9 |
7.7 |
11.6 |
2.2 |
4.5 |
0.2 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00233.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00233.png)
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Velocity
![V](wi_selv_00233.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_00233.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00233.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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