Database: Wind Shock Analysis
Event ID: 20052550600
Observation time: 09/12/2005 255.25057 0600 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
2005 |
Fractional day of year |
255.250573 |
Arrival time of shock [seconds of day] |
21649.5 ± 90.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
210.250 |
Y GSE location of spacecraft [Re] |
-90.397 |
Z GSE location of spacecraft [Re] |
-9.083 |
Upstream plasma points selected for analysis |
0009 |
Upstream field points selected for analysis |
0275 |
Downstream plasma points selected for analysis |
0005
|
Downstream field points selected for analysis |
0212 |
Minimum chisq/dof for RH8,RH9,RH10 |
3.54, 9.11, 9.50 |
Event added to database
|
Mon Sep 23 17:28:17 2013
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Event last processed
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Tue Sep 24 16:48:10 2013
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Method selected
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RH08
|
Propagation delay to Earth [minutes]
|
23.008 ± 0.785
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-740.0 ± 17.6 |
-1024.9 ± 20.9 |
Vy GSE [km/s] |
66.7 ± 25.9 |
17.2 ± 34.3 |
Vz GSE [km/s] |
-1.5 ± 25.5 |
95.4 ± 39.0 |
Wi [km/s] |
53.0 ± 15.9 |
224.5 ± 38.1 |
We [km/s] |
1674.5 ± 504.1 |
7100.0 ± 1204.2 |
Ni [n/cc] |
0.4 ± 0.1 |
1.6 ± 0.1 |
Bx GSE [nT] |
5.1 ± 0.5 |
1.8 ± 1.8 |
By GSE [nT] |
-1.3 ± 0.7 |
-8.9 ± 2.1 |
Bz GSE [nT] |
-3.4 ± 0.8 |
-2.8 ± 2.9 |
Plasma Beta
|
0.074 ± 0.055
|
1.838 ± 2.133
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Sound Speed [km/s]
|
68.36 ± 20.58
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289.86 ± 49.16
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Alfven Speed [km/s]
|
217.35 ± 27.72
|
175.29 ± 23.80
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.781 ± 0.074 |
0.357 ± 0.107 |
0.513 ± 0.462 |
30.84 ± 6.92 |
155.43 ± 7.64 |
VC |
-0.934 ± 0.052 |
-0.161 ± 0.121 |
0.318 ± 0.307 |
18.53 ± 8.68 |
189.77 ± 7.43 |
MX1 |
-0.709 ± 0.142 |
0.398 ± 0.198 |
0.582 ± 0.505 |
35.57 ± 10.54 |
150.70 ± 15.43 |
MX2 |
-0.852 ± 0.063 |
0.353 ± 0.095 |
0.386 ± 0.366 |
22.73 ± 8.00 |
157.51 ± 6.21 |
MX3 |
-0.879 ± 0.066 |
0.349 ± 0.103 |
0.327 ± 0.315 |
19.07 ± 9.96 |
158.36 ± 6.60 |
RH08 |
-0.910 ± 0.012 |
0.360 ± 0.026 |
0.207 ± 0.204 |
11.93 ± 2.04 |
158.44 ± 1.66 |
RH09 |
-0.930 ± 0.026 |
0.259 ± 0.068 |
0.263 ± 0.256 |
15.22 ± 4.00 |
164.46 ± 4.20 |
RH10 |
-0.930 ± 0.026 |
0.259 ± 0.068 |
0.263 ± 0.256 |
15.22 ± 4.00 |
164.46 ± 4.20 |
Average |
-0.866 |
0.272 |
0.357 |
21.139 |
162.389 |
Median |
-0.879 |
0.353 |
0.327 |
19.065 |
158.440 |
Deviation |
0.082 |
0.182 |
0.130 |
8.202 |
11.945 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
11.2 ± 7.3 |
942.6 ± 5.5 |
3.71 ± 0.94 |
VC |
26.8 ± 6.2 |
1094.3 ± 5.7 |
3.71 ± 0.94 |
MX1 |
14.6 ± 6.8 |
872.1 ± 5.6 |
3.71 ± 0.94 |
MX2 |
14.3 ± 6.9 |
1004.7 ± 5.3 |
3.71 ± 0.94 |
MX3 |
16.9 ± 6.7 |
1028.6 ± 5.3 |
3.71 ± 0.94 |
RH08 |
23.0 ± 7.1 |
1047.8 ± 5.4 |
3.71 ± 0.94 |
RH09 |
19.0 ± 6.9 |
1082.5 ± 5.3 |
3.71 ± 0.94 |
RH10 |
19.0 ± 6.9 |
1082.5 ± 35.5 |
3.71 ± 0.94 |
Average |
18.1 |
1019.4 |
3.71 |
Median |
19.0 |
1047.8 |
3.71 |
Deviation |
5.0 |
77.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
341.7 ± 6.3 |
66.8 ± 19.9 |
213.2 ± 27.2 |
217.9 ± 27.3 |
5.50 ± 1.51 |
1.59 ± 0.20 |
VC |
414.1 ± 13.0 |
59.9 ± 17.0 |
194.0 ± 24.7 |
220.3 ± 25.9 |
7.40 ± 1.98 |
1.90 ± 0.23 |
MX1 |
321.5 ± 8.2 |
65.7 ± 19.4 |
210.4 ± 26.8 |
218.3 ± 27.0 |
5.25 ± 1.43 |
1.49 ± 0.19 |
MX2 |
351.1 ± 6.9 |
65.8 ± 19.4 |
210.6 ± 26.9 |
218.3 ± 27.1 |
5.74 ± 1.60 |
1.63 ± 0.20 |
MX3 |
355.7 ± 7.9 |
64.9 ± 19.0 |
208.0 ± 26.5 |
218.6 ± 26.9 |
5.90 ± 1.65 |
1.65 ± 0.20 |
RH8 |
350.7 ± 10.6 |
62.0 ± 17.9 |
200.1 ± 25.5 |
219.6 ± 26.3 |
6.07 ± 1.71 |
1.62 ± 0.19 |
RH9 |
377.7 ± 9.2 |
64.0 ± 18.6 |
205.5 ± 26.2 |
218.9 ± 26.7 |
6.34 ± 1.77 |
1.75 ± 0.21 |
RH10 |
377.7 ± 9.2 |
64.0 ± 18.6 |
205.5 ± 26.2 |
218.9 ± 26.7 |
6.34 ± 1.77 |
1.75 ± 0.21 |
Average |
361.3 |
64.1 |
205.9 |
218.9 |
6.1 |
1.7 |
Median |
355.7 |
64.9 |
208.0 |
218.9 |
6.1 |
1.6 |
Deviation |
28.1 |
2.3 |
6.3 |
0.8 |
0.7 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
87.2 ± 18.5 |
166.8 ± 15.5 |
172.0 ± 23.4 |
296.3 ± 40.5 |
0.52 ± 0.08 |
0.30 ± 0.10 |
VC |
109.1 ± 13.7 |
145.1 ± 9.2 |
156.4 ± 21.2 |
308.3 ± 34.0 |
0.75 ± 0.10 |
0.36 ± 0.05 |
MX1 |
82.8 ± 20.3 |
163.1 ± 13.8 |
169.7 ± 23.0 |
298.6 ± 38.8 |
0.50 ± 0.09 |
0.29 ± 0.10 |
MX2 |
88.3 ± 18.2 |
163.4 ± 13.9 |
169.9 ± 23.1 |
298.4 ± 39.0 |
0.54 ± 0.09 |
0.30 ± 0.09 |
MX3 |
91.0 ± 18.6 |
160.2 ± 12.8 |
167.8 ± 22.8 |
300.3 ± 37.8 |
0.57 ± 0.10 |
0.31 ± 0.09 |
RH8 |
89.2 ± 20.6 |
151.4 ± 10.5 |
161.4 ± 21.9 |
305.2 ± 35.3 |
0.59 ± 0.13 |
0.30 ± 0.08 |
RH9 |
100.2 ± 17.8 |
157.3 ± 11.9 |
165.8 ± 22.5 |
302.0 ± 36.9 |
0.64 ± 0.11 |
0.34 ± 0.08 |
RH10 |
100.2 ± 17.8 |
157.3 ± 11.9 |
165.8 ± 22.5 |
302.0 ± 36.9 |
0.64 ± 0.11 |
0.34 ± 0.08 |
Average |
93.5 |
158.1 |
166.1 |
301.4 |
0.6 |
0.3 |
Median |
91.0 |
160.2 |
167.8 |
302.0 |
0.6 |
0.3 |
Deviation |
8.8 |
7.0 |
5.1 |
3.9 |
0.1 |
0.0 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00415.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00415.png)
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Velocity
![V](wi_selv_00415.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_00415.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00415.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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