Database: Wind Shock Analysis
Event ID: 20123491906
Observation time: 12/14/2012 349.79599 1906 [UT]
|
|
General
Information (About, Top)
| Year |
2012 |
| Fractional day of year |
349.795990 |
| Arrival time of shock [seconds of day] |
68773.5 ± 20.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
216.862 |
| Y GSE location of spacecraft [Re] |
-98.085 |
| Z GSE location of spacecraft [Re] |
6.014 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0191 |
| Downstream plasma points selected for analysis |
0003
|
| Downstream field points selected for analysis |
0106 |
| Minimum chisq/dof for RH8,RH9,RH10 |
16.23, 34.42, 41.32 |
Event added to database
|
Tue Oct 8 16:06:17 2013
|
Event last processed
|
Tue Oct 8 17:47:33 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
53.303 ± 7.363
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-313.6 ± 0.6 |
-341.0 ± 0.7 |
| Vy GSE [km/s] |
1.1 ± 1.0 |
-9.2 ± 2.2 |
| Vz GSE [km/s] |
-11.2 ± 3.0 |
10.8 ± 4.0 |
| Wi [km/s] |
26.2 ± 0.6 |
30.0 ± 1.3 |
| We [km/s] |
827.5 ± 17.9 |
947.1 ± 41.6 |
| Ni [n/cc] |
6.8 ± 0.3 |
10.3 ± 0.1 |
| Bx GSE [nT] |
-3.0 ± 0.1 |
-3.2 ± 0.2 |
| By GSE [nT] |
5.1 ± 0.1 |
7.9 ± 0.3 |
| Bz GSE [nT] |
0.1 ± 0.4 |
-0.2 ± 1.0 |
Plasma Beta
|
0.278 ± 0.280
|
0.267 ± 0.247
|
Sound Speed [km/s]
|
33.78 ± 0.73
|
38.67 ± 1.70
|
Alfven Speed [km/s]
|
49.68 ± 1.33
|
58.10 ± 1.34
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.973 ± 0.096 |
0.145 ± 0.243 |
0.178 ± 0.176 |
10.24 ± 28.95 |
171.53 ± 14.29 |
| VC |
-0.752 ± 0.060 |
-0.283 ± 0.058 |
0.595 ± 0.512 |
36.52 ± 5.87 |
200.58 ± 4.07 |
| MX1 |
-0.844 ± 0.041 |
0.016 ± 0.154 |
0.536 ± 0.477 |
32.38 ± 4.34 |
178.89 ± 10.45 |
| MX2 |
-0.837 ± 0.031 |
0.007 ± 0.144 |
0.547 ± 0.485 |
33.18 ± 3.28 |
179.53 ± 9.87 |
| MX3 |
-0.824 ± 0.034 |
-0.011 ± 0.129 |
0.566 ± 0.496 |
34.50 ± 3.41 |
180.74 ± 8.94 |
| RH08 |
-0.908 ± 0.014 |
0.008 ± 0.029 |
0.419 ± 0.393 |
24.77 ± 1.88 |
179.50 ± 1.83 |
| RH09 |
-0.994 ± 0.007 |
0.078 ± 0.069 |
-0.073 ± 0.072 |
-4.16 ± 4.03 |
175.49 ± 3.95 |
| RH10 |
-0.995 ± 0.007 |
0.079 ± 0.069 |
-0.061 ± 0.061 |
-3.52 ± 4.03 |
175.49 ± 3.95 |
| Average |
-0.891 |
0.005 |
0.338 |
20.488 |
180.217 |
| Median |
-0.844 |
0.016 |
0.536 |
32.385 |
179.499 |
| Deviation |
0.091 |
0.127 |
0.283 |
17.169 |
8.766 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
51.5 ± 1.2 |
392.5 ± 1.8 |
1.46 ± 0.03 |
| VC |
81.3 ± 2.0 |
340.2 ± 2.9 |
1.46 ± 0.03 |
| MX1 |
63.1 ± 1.9 |
363.4 ± 2.7 |
1.46 ± 0.03 |
| MX2 |
63.8 ± 1.9 |
361.3 ± 2.7 |
1.46 ± 0.03 |
| MX3 |
65.2 ± 2.0 |
357.6 ± 2.8 |
1.46 ± 0.03 |
| RH08 |
61.6 ± 1.5 |
384.3 ± 2.4 |
1.46 ± 0.03 |
| RH09 |
55.1 ± 1.8 |
387.7 ± 1.4 |
1.46 ± 0.03 |
| RH10 |
55.0 ± 1.8 |
388.7 ± 5.3 |
1.46 ± 0.03 |
| Average |
62.1 |
372.0 |
1.46 |
| Median |
63.1 |
384.3 |
1.46 |
| Deviation |
9.2 |
18.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
89.1 ± 0.3 |
18.3 ± 0.3 |
30.9 ± 0.8 |
57.2 ± 1.2 |
4.88 ± 0.09 |
1.56 ± 0.03 |
| VC |
111.2 ± 1.6 |
4.2 ± 0.1 |
7.5 ± 0.2 |
59.9 ± 1.2 |
26.35 ± 0.81 |
1.86 ± 0.06 |
| MX1 |
104.6 ± 1.2 |
13.0 ± 0.2 |
22.5 ± 0.6 |
58.7 ± 1.2 |
8.07 ± 0.23 |
1.78 ± 0.06 |
| MX2 |
104.9 ± 1.3 |
12.6 ± 0.2 |
21.9 ± 0.6 |
58.7 ± 1.2 |
8.32 ± 0.24 |
1.79 ± 0.06 |
| MX3 |
105.5 ± 1.3 |
12.0 ± 0.2 |
20.9 ± 0.6 |
58.9 ± 1.2 |
8.81 ± 0.26 |
1.79 ± 0.06 |
| RH8 |
104.2 ± 0.9 |
13.7 ± 0.2 |
23.7 ± 0.6 |
58.5 ± 1.2 |
7.63 ± 0.19 |
1.78 ± 0.05 |
| RH9 |
75.0 ± 0.8 |
16.6 ± 0.3 |
28.4 ± 0.8 |
57.7 ± 1.2 |
4.51 ± 0.05 |
1.30 ± 0.02 |
| RH10 |
75.8 ± 0.8 |
16.7 ± 0.3 |
28.5 ± 0.8 |
57.7 ± 1.2 |
4.55 ± 0.05 |
1.31 ± 0.02 |
| Average |
96.3 |
13.4 |
23.0 |
58.4 |
9.1 |
1.6 |
| Median |
104.6 |
13.7 |
23.7 |
58.7 |
8.1 |
1.8 |
| Deviation |
14.3 |
4.3 |
7.3 |
0.8 |
7.2 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
60.0 ± 1.4 |
21.0 ± 0.5 |
36.2 ± 0.8 |
66.6 ± 0.3 |
2.86 ± 0.14 |
0.90 ± 0.02 |
| VC |
74.6 ± 2.0 |
4.9 ± 0.1 |
8.8 ± 0.2 |
69.6 ± 0.2 |
15.36 ± 0.74 |
1.07 ± 0.03 |
| MX1 |
69.8 ± 2.4 |
14.9 ± 0.4 |
26.3 ± 0.6 |
68.2 ± 0.2 |
4.69 ± 0.27 |
1.02 ± 0.03 |
| MX2 |
70.0 ± 2.4 |
14.5 ± 0.3 |
25.6 ± 0.6 |
68.3 ± 0.2 |
4.83 ± 0.28 |
1.03 ± 0.03 |
| MX3 |
70.4 ± 2.5 |
13.8 ± 0.3 |
24.4 ± 0.6 |
68.4 ± 0.2 |
5.11 ± 0.30 |
1.03 ± 0.03 |
| RH8 |
70.2 ± 2.0 |
15.7 ± 0.4 |
27.7 ± 0.6 |
68.0 ± 0.3 |
4.47 ± 0.23 |
1.03 ± 0.03 |
| RH9 |
50.1 ± 0.8 |
19.1 ± 0.5 |
33.3 ± 0.8 |
67.1 ± 0.3 |
2.62 ± 0.09 |
0.75 ± 0.01 |
| RH10 |
50.7 ± 0.8 |
19.2 ± 0.5 |
33.3 ± 0.8 |
67.1 ± 0.3 |
2.65 ± 0.09 |
0.76 ± 0.01 |
| Average |
64.5 |
15.4 |
26.9 |
67.9 |
5.3 |
0.9 |
| Median |
70.0 |
15.7 |
27.7 |
68.2 |
4.7 |
1.0 |
| Deviation |
9.6 |
5.0 |
8.5 |
1.0 |
4.2 |
0.1 |
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)
| 
