Database: Wind Shock Analysis
Event ID: 20122741014
Observation time: 09/30/2012 274.42703 1014 [UT]
|
|
General
Information (About, Top)
| Year |
2012 |
| Fractional day of year |
274.427031 |
| Arrival time of shock [seconds of day] |
36895.5 ± 40.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
239.774 |
| Y GSE location of spacecraft [Re] |
84.968 |
| Z GSE location of spacecraft [Re] |
10.871 |
| Upstream plasma points selected for analysis |
0004 |
| Upstream field points selected for analysis |
0130 |
| Downstream plasma points selected for analysis |
0003
|
| Downstream field points selected for analysis |
0101 |
| Minimum chisq/dof for RH8,RH9,RH10 |
45.43, 125.13, 195.05 |
Event added to database
|
Tue Oct 8 15:55:50 2013
|
Event last processed
|
Tue Oct 8 17:29:36 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
-51.291 ± 16.928
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-280.0 ± 2.9 |
-308.3 ± 1.2 |
| Vy GSE [km/s] |
0.0 ± 1.2 |
-6.9 ± 2.5 |
| Vz GSE [km/s] |
-2.7 ± 0.3 |
-3.9 ± 2.4 |
| Wi [km/s] |
15.4 ± 0.3 |
22.9 ± 0.3 |
| We [km/s] |
486.0 ± 10.9 |
724.4 ± 10.7 |
| Ni [n/cc] |
16.5 ± 0.7 |
29.5 ± 1.2 |
| Bx GSE [nT] |
-0.4 ± 0.2 |
0.5 ± 0.3 |
| By GSE [nT] |
-2.0 ± 0.1 |
3.5 ± 0.8 |
| Bz GSE [nT] |
1.3 ± 0.4 |
-3.6 ± 1.2 |
Plasma Beta
|
1.425 ± 1.528
|
1.245 ± 1.301
|
Sound Speed [km/s]
|
19.84 ± 0.45
|
29.57 ± 0.44
|
Alfven Speed [km/s]
|
12.98 ± 1.19
|
20.78 ± 2.12
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.828 ± 0.533 |
-0.438 ± 0.922 |
-0.350 ± 0.335 |
-20.47 ± 41.68 |
207.86 ± 63.26 |
| VC |
-0.970 ± 0.021 |
-0.239 ± 0.086 |
-0.038 ± 0.038 |
-2.18 ± 4.08 |
193.81 ± 5.07 |
| MX1 |
-0.985 ± 0.007 |
-0.021 ± 0.075 |
-0.174 ± 0.172 |
-10.02 ± 2.35 |
181.21 ± 4.39 |
| MX2 |
-0.976 ± 0.018 |
-0.058 ± 0.103 |
-0.208 ± 0.205 |
-12.00 ± 4.67 |
183.40 ± 6.06 |
| MX3 |
-0.979 ± 0.014 |
-0.048 ± 0.094 |
-0.199 ± 0.196 |
-11.46 ± 3.97 |
182.79 ± 5.49 |
| RH08 |
-0.198 ± 0.013 |
0.676 ± 0.011 |
0.709 ± 0.556 |
45.19 ± 0.88 |
106.30 ± 1.09 |
| RH09 |
-0.198 ± 0.069 |
0.676 ± 0.052 |
0.709 ± 0.556 |
45.19 ± 4.03 |
106.30 ± 5.72 |
| RH10 |
-0.198 ± 0.069 |
0.676 ± 0.052 |
0.709 ± 0.556 |
45.19 ± 4.03 |
106.30 ± 5.72 |
| Average |
-0.666 |
0.153 |
0.145 |
9.932 |
158.495 |
| Median |
-0.828 |
-0.021 |
-0.038 |
-2.178 |
182.785 |
| Deviation |
0.391 |
0.453 |
0.475 |
29.611 |
44.054 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
71.9 ± 8.8 |
295.4 ± 2.0 |
1.81 ± 0.10 |
| VC |
71.0 ± 6.3 |
339.2 ± 2.0 |
1.81 ± 0.10 |
| MX1 |
85.6 ± 6.3 |
340.2 ± 2.2 |
1.81 ± 0.10 |
| MX2 |
84.9 ± 6.6 |
338.2 ± 2.2 |
1.81 ± 0.10 |
| MX3 |
85.1 ± 6.5 |
338.9 ± 2.2 |
1.81 ± 0.10 |
| RH08 |
80.4 ± 7.4 |
52.9 ± 1.2 |
1.81 ± 0.10 |
| RH09 |
80.4 ± 7.4 |
52.9 ± 1.2 |
1.81 ± 0.10 |
| RH10 |
80.4 ± 7.4 |
52.9 ± 3.9 |
1.81 ± 0.10 |
| Average |
79.9 |
226.3 |
1.81 |
| Median |
80.4 |
338.2 |
1.81 |
| Deviation |
5.7 |
144.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
62.5 ± 2.0 |
3.4 ± 0.2 |
4.0 ± 0.4 |
23.5 ± 0.8 |
18.39 ± 1.48 |
2.66 ± 0.12 |
| VC |
67.3 ± 2.6 |
3.6 ± 0.2 |
4.2 ± 0.4 |
23.5 ± 0.8 |
18.87 ± 1.54 |
2.87 ± 0.13 |
| MX1 |
64.0 ± 2.8 |
0.8 ± 0.1 |
1.0 ± 0.1 |
23.7 ± 0.9 |
77.31 ± 6.37 |
2.70 ± 0.13 |
| MX2 |
64.2 ± 2.8 |
1.0 ± 0.1 |
1.2 ± 0.1 |
23.7 ± 0.9 |
66.79 ± 5.48 |
2.71 ± 0.13 |
| MX3 |
64.2 ± 2.8 |
0.9 ± 0.1 |
1.1 ± 0.1 |
23.7 ± 0.9 |
69.57 ± 5.71 |
2.71 ± 0.13 |
| RH8 |
-0.6 ± 1.4 |
1.8 ± 0.1 |
2.2 ± 0.2 |
23.7 ± 0.8 |
-0.34 ± 0.76 |
-0.03 ± 0.06 |
| RH9 |
-0.6 ± 1.4 |
1.8 ± 0.1 |
2.2 ± 0.2 |
23.7 ± 0.8 |
-0.34 ± 0.76 |
-0.03 ± 0.06 |
| RH10 |
-0.6 ± 1.4 |
1.8 ± 0.1 |
2.2 ± 0.2 |
23.7 ± 0.8 |
-0.34 ± 0.76 |
-0.03 ± 0.06 |
| Average |
40.0 |
1.9 |
2.3 |
23.6 |
31.2 |
1.7 |
| Median |
64.0 |
1.8 |
2.2 |
23.7 |
18.9 |
2.7 |
| Deviation |
33.7 |
1.1 |
1.3 |
0.1 |
34.2 |
1.4 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
35.7 ± 2.1 |
5.3 ± 0.3 |
6.5 ± 0.7 |
35.8 ± 0.8 |
6.71 ± 0.60 |
1.00 ± 0.07 |
| VC |
38.2 ± 1.5 |
5.6 ± 0.4 |
6.8 ± 0.7 |
35.7 ± 0.8 |
6.84 ± 0.51 |
1.07 ± 0.05 |
| MX1 |
35.8 ± 1.5 |
1.3 ± 0.1 |
1.6 ± 0.2 |
36.2 ± 0.9 |
27.69 ± 2.46 |
0.99 ± 0.06 |
| MX2 |
36.0 ± 1.6 |
1.5 ± 0.1 |
1.8 ± 0.2 |
36.1 ± 0.9 |
23.94 ± 2.15 |
1.00 ± 0.06 |
| MX3 |
36.0 ± 1.6 |
1.4 ± 0.1 |
1.8 ± 0.2 |
36.1 ± 0.9 |
24.95 ± 2.23 |
1.00 ± 0.06 |
| RH8 |
-0.7 ± 1.9 |
2.8 ± 0.2 |
3.5 ± 0.4 |
36.1 ± 0.9 |
-0.25 ± 0.68 |
-0.02 ± 0.05 |
| RH9 |
-0.7 ± 1.9 |
2.8 ± 0.2 |
3.5 ± 0.4 |
36.1 ± 0.9 |
-0.25 ± 0.68 |
-0.02 ± 0.05 |
| RH10 |
-0.7 ± 1.9 |
2.8 ± 0.2 |
3.5 ± 0.4 |
36.1 ± 0.9 |
-0.25 ± 0.68 |
-0.02 ± 0.05 |
| Average |
22.4 |
3.0 |
3.6 |
36.0 |
11.2 |
0.6 |
| Median |
35.8 |
2.8 |
3.5 |
36.1 |
6.8 |
1.0 |
| Deviation |
19.2 |
1.7 |
2.0 |
0.2 |
12.3 |
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)
| 
