Database: Wind Shock Analysis
Event ID: 20123380531
Observation time: 12/03/2012 338.23030 0531 [UT]
|
|
General
Information (About, Top)
| Year |
2012 |
| Fractional day of year |
338.230295 |
| Arrival time of shock [seconds of day] |
19897.5 ± 30.0 |
| Shock type |
SF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
230.021 |
| Y GSE location of spacecraft [Re] |
-92.484 |
| Z GSE location of spacecraft [Re] |
13.428 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0164 |
| Downstream plasma points selected for analysis |
0005
|
| Downstream field points selected for analysis |
0183 |
| Minimum chisq/dof for RH8,RH9,RH10 |
6.86, 13.79, 15.74 |
Event added to database
|
Tue Oct 8 16:04:32 2013
|
Event last processed
|
Tue Oct 8 17:45:34 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
29.201 ± 3.011
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-317.6 ± 1.8 |
-335.1 ± 1.6 |
| Vy GSE [km/s] |
-34.2 ± 0.7 |
-30.8 ± 1.2 |
| Vz GSE [km/s] |
-32.9 ± 2.5 |
-21.0 ± 2.6 |
| Wi [km/s] |
19.8 ± 1.1 |
20.5 ± 1.1 |
| We [km/s] |
626.6 ± 35.7 |
648.6 ± 33.4 |
| Ni [n/cc] |
9.4 ± 0.4 |
7.2 ± 0.2 |
| Bx GSE [nT] |
7.2 ± 0.1 |
5.7 ± 0.2 |
| By GSE [nT] |
-5.0 ± 0.3 |
-7.3 ± 0.0 |
| Bz GSE [nT] |
-1.6 ± 0.5 |
3.3 ± 0.5 |
Plasma Beta
|
0.098 ± 0.101
|
0.066 ± 0.064
|
Sound Speed [km/s]
|
25.58 ± 1.46
|
26.48 ± 1.36
|
Alfven Speed [km/s]
|
63.23 ± 2.34
|
79.96 ± 0.46
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.781 ± 0.013 |
0.621 ± 0.016 |
0.067 ± 0.067 |
3.86 ± 2.63 |
141.47 ± 1.16 |
| VC |
-0.820 ± 0.077 |
0.158 ± 0.056 |
0.550 ± 0.487 |
33.38 ± 8.08 |
169.07 ± 3.81 |
| MX1 |
-0.767 ± 0.012 |
0.636 ± 0.014 |
0.079 ± 0.079 |
4.52 ± 3.02 |
140.33 ± 1.01 |
| MX2 |
-0.806 ± 0.030 |
0.590 ± 0.041 |
0.044 ± 0.044 |
2.51 ± 2.29 |
143.77 ± 2.89 |
| MX3 |
-0.837 ± 0.052 |
0.547 ± 0.080 |
0.012 ± 0.012 |
0.71 ± 2.92 |
146.81 ± 5.46 |
| RH08 |
-0.522 ± 0.007 |
-0.685 ± 0.006 |
-0.508 ± 0.459 |
-30.56 ± 0.43 |
232.65 ± 0.58 |
| RH09 |
-0.522 ± 0.042 |
-0.685 ± 0.034 |
-0.508 ± 0.459 |
-30.56 ± 2.17 |
232.65 ± 3.39 |
| RH10 |
-0.522 ± 0.048 |
-0.685 ± 0.039 |
-0.508 ± 0.459 |
-30.56 ± 2.38 |
232.65 ± 3.89 |
| Average |
-0.697 |
0.063 |
-0.097 |
-5.837 |
179.924 |
| Median |
-0.767 |
0.547 |
0.044 |
2.505 |
169.065 |
| Deviation |
0.146 |
0.637 |
0.381 |
22.944 |
44.571 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
7.7 ± 3.7 |
169.0 ± 1.5 |
0.77 ± 0.03 |
| VC |
31.7 ± 3.5 |
166.9 ± 2.5 |
0.77 ± 0.03 |
| MX1 |
7.9 ± 3.5 |
163.8 ± 1.5 |
0.77 ± 0.03 |
| MX2 |
8.2 ± 3.8 |
179.1 ± 1.5 |
0.77 ± 0.03 |
| MX3 |
10.0 ± 3.6 |
191.3 ± 1.4 |
0.77 ± 0.03 |
| RH08 |
86.9 ± 1.3 |
202.7 ± 1.5 |
0.77 ± 0.03 |
| RH09 |
86.9 ± 1.3 |
202.7 ± 1.5 |
0.77 ± 0.03 |
| RH10 |
86.9 ± 1.3 |
202.7 ± 7.3 |
0.77 ± 0.03 |
| Average |
40.8 |
184.7 |
0.77 |
| Median |
31.7 |
191.3 |
0.77 |
| Deviation |
39.0 |
17.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-55.5 ± 1.6 |
25.3 ± 1.4 |
62.7 ± 2.3 |
63.3 ± 2.3 |
-2.20 ± 0.07 |
-0.88 ± 0.02 |
| VC |
-70.0 ± 2.7 |
21.2 ± 1.2 |
53.8 ± 2.0 |
64.8 ± 2.4 |
-3.30 ± 0.07 |
-1.08 ± 0.03 |
| MX1 |
-55.6 ± 1.6 |
25.3 ± 1.4 |
62.6 ± 2.3 |
63.3 ± 2.3 |
-2.20 ± 0.07 |
-0.88 ± 0.02 |
| MX2 |
-55.3 ± 1.6 |
25.3 ± 1.4 |
62.6 ± 2.3 |
63.4 ± 2.3 |
-2.19 ± 0.07 |
-0.87 ± 0.02 |
| MX3 |
-55.4 ± 1.6 |
25.1 ± 1.4 |
62.3 ± 2.3 |
63.4 ± 2.4 |
-2.21 ± 0.07 |
-0.87 ± 0.02 |
| RH8 |
-3.4 ± 1.3 |
1.3 ± 0.1 |
3.4 ± 0.1 |
68.2 ± 2.6 |
-2.69 ± 1.04 |
-0.05 ± 0.02 |
| RH9 |
-3.4 ± 1.3 |
1.3 ± 0.1 |
3.4 ± 0.1 |
68.2 ± 2.6 |
-2.69 ± 1.04 |
-0.05 ± 0.02 |
| RH10 |
-3.4 ± 1.3 |
1.3 ± 0.1 |
3.4 ± 0.1 |
68.2 ± 2.6 |
-2.69 ± 1.04 |
-0.05 ± 0.02 |
| Average |
-37.8 |
15.8 |
39.3 |
65.4 |
-2.5 |
-0.6 |
| Median |
-55.3 |
25.1 |
62.3 |
64.8 |
-2.2 |
-0.9 |
| Deviation |
28.9 |
12.1 |
29.8 |
2.4 |
0.4 |
0.5 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-72.1 ± 1.8 |
26.2 ± 1.3 |
79.2 ± 0.5 |
80.1 ± 0.5 |
-2.76 ± 0.14 |
-0.90 ± 0.02 |
| VC |
-91.4 ± 1.1 |
22.2 ± 1.1 |
68.1 ± 0.4 |
81.3 ± 0.5 |
-4.13 ± 0.24 |
-1.13 ± 0.02 |
| MX1 |
-72.1 ± 1.8 |
26.2 ± 1.3 |
79.2 ± 0.5 |
80.1 ± 0.5 |
-2.76 ± 0.14 |
-0.90 ± 0.02 |
| MX2 |
-71.9 ± 1.8 |
26.2 ± 1.3 |
79.1 ± 0.5 |
80.1 ± 0.5 |
-2.75 ± 0.14 |
-0.90 ± 0.02 |
| MX3 |
-72.0 ± 1.9 |
26.0 ± 1.3 |
78.7 ± 0.5 |
80.1 ± 0.5 |
-2.77 ± 0.14 |
-0.90 ± 0.02 |
| RH8 |
-4.2 ± 1.5 |
1.4 ± 0.1 |
4.3 ± 0.0 |
84.2 ± 0.7 |
-3.05 ± 1.02 |
-0.05 ± 0.02 |
| RH9 |
-4.2 ± 1.5 |
1.4 ± 0.1 |
4.3 ± 0.0 |
84.2 ± 0.7 |
-3.05 ± 1.02 |
-0.05 ± 0.02 |
| RH10 |
-4.2 ± 1.5 |
1.4 ± 0.1 |
4.3 ± 0.0 |
84.2 ± 0.7 |
-3.05 ± 1.02 |
-0.05 ± 0.02 |
| Average |
-49.0 |
16.4 |
49.7 |
81.8 |
-3.0 |
-0.6 |
| Median |
-71.9 |
26.0 |
78.7 |
81.3 |
-2.8 |
-0.9 |
| Deviation |
37.7 |
12.5 |
37.7 |
2.1 |
0.5 |
0.5 |
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)
| 
