Database: Wind Shock Analysis
Event ID: 20122820412
Observation time: 10/08/2012 282.17516 0412 [UT]
|
|
General
Information (About, Top)
| Year |
2012 |
| Fractional day of year |
282.175156 |
| Arrival time of shock [seconds of day] |
15133.5 ± 20.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
248.445 |
| Y GSE location of spacecraft [Re] |
67.419 |
| Z GSE location of spacecraft [Re] |
15.229 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0156 |
| Downstream plasma points selected for analysis |
0003
|
| Downstream field points selected for analysis |
0096 |
| Minimum chisq/dof for RH8,RH9,RH10 |
14.09, 47.94, 60.29 |
Event added to database
|
Tue Oct 8 15:57:23 2013
|
Event last processed
|
Tue Oct 8 17:33:37 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
56.949 ± 1.612
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-317.4 ± 5.0 |
-382.9 ± 2.8 |
| Vy GSE [km/s] |
-25.1 ± 3.2 |
-57.8 ± 1.4 |
| Vz GSE [km/s] |
-26.0 ± 8.0 |
-36.4 ± 4.6 |
| Wi [km/s] |
30.3 ± 0.9 |
37.2 ± 1.0 |
| We [km/s] |
959.7 ± 28.3 |
1177.2 ± 32.1 |
| Ni [n/cc] |
7.1 ± 0.4 |
13.4 ± 1.2 |
| Bx GSE [nT] |
-3.5 ± 0.4 |
-5.3 ± 0.3 |
| By GSE [nT] |
6.1 ± 0.6 |
12.7 ± 0.4 |
| Bz GSE [nT] |
-4.1 ± 0.7 |
-7.6 ± 0.6 |
Plasma Beta
|
0.207 ± 0.201
|
0.158 ± 0.143
|
Sound Speed [km/s]
|
39.18 ± 1.15
|
48.06 ± 1.31
|
Alfven Speed [km/s]
|
66.89 ± 2.60
|
94.27 ± 6.22
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.974 ± 0.117 |
-0.216 ± 0.479 |
-0.076 ± 0.076 |
-4.36 ± 38.69 |
192.49 ± 28.18 |
| VC |
-0.885 ± 0.029 |
-0.443 ± 0.051 |
-0.140 ± 0.139 |
-8.02 ± 6.38 |
206.59 ± 3.26 |
| MX1 |
-0.915 ± 0.039 |
-0.355 ± 0.088 |
-0.193 ± 0.190 |
-11.10 ± 6.35 |
201.22 ± 5.46 |
| MX2 |
-0.916 ± 0.038 |
-0.355 ± 0.087 |
-0.189 ± 0.187 |
-10.92 ± 6.07 |
201.19 ± 5.41 |
| MX3 |
-0.916 ± 0.038 |
-0.355 ± 0.086 |
-0.187 ± 0.184 |
-10.75 ± 5.83 |
201.17 ± 5.37 |
| RH08 |
-0.939 ± 0.007 |
-0.297 ± 0.021 |
-0.173 ± 0.171 |
-9.97 ± 1.22 |
197.55 ± 1.25 |
| RH09 |
-0.957 ± 0.020 |
-0.248 ± 0.068 |
-0.151 ± 0.150 |
-8.68 ± 4.03 |
194.54 ± 4.07 |
| RH10 |
-0.961 ± 0.019 |
-0.231 ± 0.068 |
-0.151 ± 0.150 |
-8.68 ± 4.03 |
193.54 ± 4.07 |
| Average |
-0.933 |
-0.313 |
-0.157 |
-9.059 |
198.536 |
| Median |
-0.916 |
-0.297 |
-0.151 |
-8.675 |
201.171 |
| Deviation |
0.030 |
0.078 |
0.039 |
2.230 |
4.850 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
72.8 ± 4.0 |
468.9 ± 6.2 |
1.87 ± 0.29 |
| VC |
83.1 ± 4.5 |
453.6 ± 6.3 |
1.87 ± 0.29 |
| MX1 |
77.0 ± 4.5 |
461.4 ± 6.2 |
1.87 ± 0.29 |
| MX2 |
77.1 ± 4.5 |
461.5 ± 6.2 |
1.87 ± 0.29 |
| MX3 |
77.2 ± 4.5 |
461.6 ± 6.2 |
1.87 ± 0.29 |
| RH08 |
74.4 ± 4.4 |
465.4 ± 6.2 |
1.87 ± 0.29 |
| RH09 |
72.5 ± 4.2 |
467.1 ± 6.1 |
1.87 ± 0.29 |
| RH10 |
71.6 ± 4.2 |
467.3 ± 22.8 |
1.87 ± 0.29 |
| Average |
75.7 |
463.4 |
1.87 |
| Median |
77.0 |
465.4 |
1.87 |
| Deviation |
3.7 |
4.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
152.5 ± 4.7 |
10.1 ± 0.2 |
19.7 ± 0.8 |
76.9 ± 2.2 |
15.18 ± 0.73 |
1.99 ± 0.11 |
| VC |
157.8 ± 4.5 |
4.0 ± 0.1 |
8.0 ± 0.3 |
77.4 ± 2.2 |
39.11 ± 1.69 |
2.04 ± 0.11 |
| MX1 |
157.1 ± 4.7 |
7.6 ± 0.2 |
15.0 ± 0.6 |
77.2 ± 2.2 |
20.66 ± 0.92 |
2.04 ± 0.11 |
| MX2 |
157.1 ± 4.7 |
7.6 ± 0.2 |
14.9 ± 0.6 |
77.2 ± 2.2 |
20.76 ± 0.93 |
2.04 ± 0.11 |
| MX3 |
157.1 ± 4.7 |
7.5 ± 0.2 |
14.9 ± 0.6 |
77.2 ± 2.2 |
20.85 ± 0.93 |
2.04 ± 0.11 |
| RH8 |
155.3 ± 4.7 |
9.1 ± 0.2 |
17.9 ± 0.7 |
77.0 ± 2.2 |
17.03 ± 0.78 |
2.02 ± 0.11 |
| RH9 |
153.2 ± 4.7 |
10.3 ± 0.2 |
20.1 ± 0.8 |
76.9 ± 2.2 |
14.94 ± 0.70 |
2.00 ± 0.11 |
| RH10 |
152.6 ± 4.8 |
10.8 ± 0.2 |
21.1 ± 0.8 |
76.8 ± 2.2 |
14.19 ± 0.67 |
1.99 ± 0.11 |
| Average |
155.3 |
8.4 |
16.5 |
77.1 |
20.3 |
2.0 |
| Median |
157.1 |
9.1 |
17.9 |
77.2 |
20.7 |
2.0 |
| Deviation |
2.2 |
2.2 |
4.3 |
0.2 |
8.1 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
81.0 ± 2.4 |
12.7 ± 0.2 |
27.8 ± 1.8 |
105.1 ± 5.3 |
6.37 ± 0.21 |
0.77 ± 0.06 |
| VC |
83.9 ± 1.9 |
5.1 ± 0.1 |
11.2 ± 0.7 |
105.7 ± 5.3 |
16.42 ± 0.49 |
0.80 ± 0.06 |
| MX1 |
83.7 ± 1.7 |
9.6 ± 0.2 |
21.1 ± 1.4 |
105.4 ± 5.3 |
8.69 ± 0.23 |
0.80 ± 0.06 |
| MX2 |
83.6 ± 1.7 |
9.6 ± 0.2 |
21.0 ± 1.4 |
105.4 ± 5.3 |
8.73 ± 0.23 |
0.79 ± 0.06 |
| MX3 |
83.6 ± 1.7 |
9.5 ± 0.2 |
20.9 ± 1.4 |
105.4 ± 5.3 |
8.77 ± 0.24 |
0.79 ± 0.06 |
| RH8 |
82.4 ± 1.9 |
11.5 ± 0.2 |
25.3 ± 1.7 |
105.2 ± 5.3 |
7.13 ± 0.20 |
0.78 ± 0.06 |
| RH9 |
80.9 ± 2.0 |
13.0 ± 0.2 |
28.4 ± 1.9 |
105.1 ± 5.3 |
6.24 ± 0.18 |
0.77 ± 0.06 |
| RH10 |
80.5 ± 2.0 |
13.6 ± 0.3 |
29.7 ± 2.0 |
105.0 ± 5.3 |
5.92 ± 0.17 |
0.77 ± 0.06 |
| Average |
82.4 |
10.6 |
23.2 |
105.3 |
8.5 |
0.8 |
| Median |
83.6 |
11.5 |
25.3 |
105.4 |
8.7 |
0.8 |
| Deviation |
1.4 |
2.8 |
6.0 |
0.3 |
3.4 |
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)
| 
