Database: Wind Shock Analysis
Event ID: 20110511141
Observation time: 02/20/2011 51.48703 1141 [UT]
|
|
General
Information (About, Top)
| Year |
2011 |
| Fractional day of year |
51.487031 |
| Arrival time of shock [seconds of day] |
42079.5 ± 30.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
195.671 |
| Y GSE location of spacecraft [Re] |
23.129 |
| Z GSE location of spacecraft [Re] |
-19.617 |
| Upstream plasma points selected for analysis |
0004 |
| Upstream field points selected for analysis |
0123 |
| Downstream plasma points selected for analysis |
0003
|
| Downstream field points selected for analysis |
0139 |
| Minimum chisq/dof for RH8,RH9,RH10 |
6.43, 35.98, 54.26 |
Event added to database
|
Fri Sep 20 10:05:16 2013
|
Event last processed
|
Tue Sep 24 10:06:34 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
40.725 ± 3.698
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-421.4 ± 5.4 |
-448.2 ± 7.8 |
| Vy GSE [km/s] |
-41.8 ± 1.2 |
-38.9 ± 3.0 |
| Vz GSE [km/s] |
27.4 ± 6.1 |
28.2 ± 18.6 |
| Wi [km/s] |
19.0 ± 0.7 |
23.7 ± 0.3 |
| We [km/s] |
601.6 ± 23.4 |
748.0 ± 10.1 |
| Ni [n/cc] |
1.9 ± 0.1 |
3.0 ± 0.3 |
| Bx GSE [nT] |
-0.7 ± 0.4 |
-0.1 ± 0.7 |
| By GSE [nT] |
-4.9 ± 0.4 |
-7.7 ± 0.1 |
| Bz GSE [nT] |
2.1 ± 0.5 |
1.4 ± 1.2 |
Plasma Beta
|
0.051 ± 0.052
|
0.056 ± 0.057
|
Sound Speed [km/s]
|
24.56 ± 0.95
|
30.54 ± 0.41
|
Alfven Speed [km/s]
|
84.61 ± 1.73
|
99.89 ± 3.39
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.621 ± 0.353 |
-0.304 ± 0.428 |
0.722 ± 0.558 |
46.24 ± 25.82 |
206.09 ± 37.18 |
| VC |
-0.994 ± 0.038 |
0.086 ± 0.101 |
-0.060 ± 0.060 |
-3.46 ± 34.93 |
175.07 ± 5.80 |
| MX1 |
-0.977 ± 0.114 |
0.212 ± 0.527 |
0.003 ± 0.003 |
0.20 ± 35.70 |
167.78 ± 30.89 |
| MX2 |
-0.995 ± 0.032 |
0.098 ± 0.321 |
-0.007 ± 0.007 |
-0.43 ± 33.35 |
174.37 ± 18.50 |
| MX3 |
-0.999 ± 0.014 |
0.039 ± 0.221 |
-0.022 ± 0.022 |
-1.28 ± 29.78 |
177.74 ± 12.68 |
| RH08 |
-0.951 ± 0.021 |
-0.143 ± 0.043 |
-0.274 ± 0.267 |
-15.89 ± 4.21 |
188.52 ± 2.58 |
| RH09 |
-0.965 ± 0.018 |
-0.127 ± 0.070 |
-0.229 ± 0.225 |
-13.24 ± 3.97 |
187.52 ± 4.17 |
| RH10 |
-0.968 ± 0.018 |
-0.128 ± 0.070 |
-0.218 ± 0.214 |
-12.58 ± 3.96 |
187.52 ± 4.17 |
| Average |
-0.934 |
-0.033 |
-0.011 |
-0.055 |
183.076 |
| Median |
-0.968 |
0.039 |
-0.022 |
-1.278 |
187.521 |
| Deviation |
0.127 |
0.169 |
0.316 |
19.777 |
11.960 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
50.5 ± 7.5 |
357.4 ± 14.2 |
1.57 ± 0.17 |
| VC |
88.6 ± 4.2 |
499.7 ± 7.4 |
1.57 ± 0.17 |
| MX1 |
86.2 ± 4.8 |
488.3 ± 8.3 |
1.57 ± 0.17 |
| MX2 |
88.0 ± 4.5 |
502.2 ± 8.0 |
1.57 ± 0.17 |
| MX3 |
85.3 ± 4.3 |
505.0 ± 7.7 |
1.57 ± 0.17 |
| RH08 |
81.7 ± 2.3 |
473.3 ± 4.9 |
1.57 ± 0.17 |
| RH09 |
81.4 ± 2.6 |
482.2 ± 5.3 |
1.57 ± 0.17 |
| RH10 |
81.1 ± 2.7 |
484.1 ± 17.8 |
1.57 ± 0.17 |
| Average |
80.3 |
474.1 |
1.57 |
| Median |
85.3 |
488.3 |
1.57 |
| Deviation |
12.4 |
48.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
63.1 ± 7.3 |
15.2 ± 0.5 |
53.9 ± 1.1 |
86.8 ± 1.6 |
4.14 ± 0.49 |
0.73 ± 0.08 |
| VC |
85.9 ± 5.2 |
0.6 ± 0.0 |
2.1 ± 0.0 |
88.1 ± 1.5 |
145.41 ± 11.01 |
0.97 ± 0.05 |
| MX1 |
85.2 ± 5.5 |
1.6 ± 0.1 |
5.7 ± 0.1 |
88.1 ± 1.5 |
54.10 ± 4.31 |
0.97 ± 0.05 |
| MX2 |
87.2 ± 5.5 |
0.8 ± 0.0 |
2.9 ± 0.1 |
88.1 ± 1.5 |
107.50 ± 8.31 |
0.99 ± 0.05 |
| MX3 |
86.3 ± 5.3 |
1.9 ± 0.1 |
7.0 ± 0.1 |
88.1 ± 1.5 |
44.40 ± 3.40 |
0.98 ± 0.05 |
| RH8 |
74.0 ± 3.6 |
3.4 ± 0.1 |
12.2 ± 0.3 |
88.0 ± 1.5 |
21.73 ± 1.49 |
0.84 ± 0.03 |
| RH9 |
76.5 ± 3.9 |
3.5 ± 0.1 |
12.7 ± 0.3 |
88.0 ± 1.5 |
21.67 ± 1.52 |
0.87 ± 0.03 |
| RH10 |
77.0 ± 4.0 |
3.7 ± 0.1 |
13.1 ± 0.3 |
88.0 ± 1.5 |
21.11 ± 1.48 |
0.87 ± 0.03 |
| Average |
79.4 |
3.8 |
13.7 |
87.9 |
52.5 |
0.9 |
| Median |
85.2 |
3.4 |
12.2 |
88.1 |
44.4 |
1.0 |
| Deviation |
8.4 |
4.8 |
16.8 |
0.5 |
49.2 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
46.8 ± 17.4 |
18.9 ± 0.3 |
63.6 ± 2.2 |
102.7 ± 3.4 |
2.47 ± 0.90 |
0.46 ± 0.17 |
| VC |
59.0 ± 6.8 |
0.7 ± 0.0 |
2.5 ± 0.1 |
104.5 ± 3.4 |
80.60 ± 8.91 |
0.57 ± 0.07 |
| MX1 |
58.4 ± 8.3 |
2.0 ± 0.0 |
6.7 ± 0.2 |
104.4 ± 3.4 |
29.90 ± 4.07 |
0.56 ± 0.08 |
| MX2 |
60.2 ± 7.9 |
1.0 ± 0.0 |
3.4 ± 0.1 |
104.5 ± 3.4 |
59.89 ± 7.50 |
0.58 ± 0.08 |
| MX3 |
59.4 ± 7.4 |
2.4 ± 0.0 |
8.2 ± 0.3 |
104.4 ± 3.4 |
24.66 ± 2.96 |
0.57 ± 0.07 |
| RH8 |
49.2 ± 1.9 |
4.2 ± 0.1 |
14.4 ± 0.5 |
104.4 ± 3.4 |
11.65 ± 0.38 |
0.47 ± 0.02 |
| RH9 |
51.2 ± 2.9 |
4.4 ± 0.1 |
15.0 ± 0.5 |
104.4 ± 3.4 |
11.70 ± 0.59 |
0.49 ± 0.03 |
| RH10 |
51.6 ± 3.1 |
4.5 ± 0.1 |
15.5 ± 0.5 |
104.4 ± 3.4 |
11.41 ± 0.62 |
0.49 ± 0.03 |
| Average |
54.5 |
4.8 |
16.2 |
104.2 |
29.0 |
0.5 |
| Median |
58.4 |
4.2 |
14.4 |
104.4 |
24.7 |
0.6 |
| Deviation |
5.3 |
5.9 |
19.8 |
0.6 |
27.4 |
0.0 |
Survey interval (About, Top)
Selected
data (About, Top)
|
Key plasma parameters
|
Velocity
|
Magnetic Field
|
Simple
Methods
(About, Top)
Rankine Chi^2
Contour (About, Top)
Shock
Speed (About, Top)
Theta Bn (About, Top)
Mach Numbers (About, Top)
Page updated Fri Jun 13 11:06:02 2014
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
