Database: Wind Shock Analysis
Event ID: 20121101713
Observation time: 04/19/2012 110.71773 1713 [UT]
|
|
General
Information (About, Top)
| Year |
2012 |
| Fractional day of year |
110.717726 |
| Arrival time of shock [seconds of day] |
62011.5 ± 20.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
256.719 |
| Y GSE location of spacecraft [Re] |
124.946 |
| Z GSE location of spacecraft [Re] |
24.608 |
| Upstream plasma points selected for analysis |
0004 |
| Upstream field points selected for analysis |
0109 |
| Downstream plasma points selected for analysis |
0003
|
| Downstream field points selected for analysis |
0076 |
| Minimum chisq/dof for RH8,RH9,RH10 |
18.47, 66.97, 143.76 |
Event added to database
|
Thu Sep 19 15:50:08 2013
|
Event last processed
|
Mon Oct 7 14:12:29 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
63.634 ± 1.140
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-347.9 ± 1.6 |
-364.5 ± 1.7 |
| Vy GSE [km/s] |
-12.5 ± 0.4 |
-8.9 ± 0.6 |
| Vz GSE [km/s] |
7.8 ± 0.5 |
6.7 ± 1.3 |
| Wi [km/s] |
20.8 ± 0.1 |
23.1 ± 0.3 |
| We [km/s] |
657.2 ± 4.1 |
729.6 ± 9.0 |
| Ni [n/cc] |
5.2 ± 0.2 |
7.0 ± 0.1 |
| Bx GSE [nT] |
-0.5 ± 0.0 |
-0.8 ± 0.1 |
| By GSE [nT] |
-2.6 ± 0.2 |
-3.4 ± 0.1 |
| Bz GSE [nT] |
-0.8 ± 0.1 |
-0.9 ± 0.3 |
Plasma Beta
|
0.606 ± 0.634
|
0.602 ± 0.604
|
Sound Speed [km/s]
|
26.83 ± 0.17
|
29.78 ± 0.37
|
Alfven Speed [km/s]
|
26.77 ± 1.53
|
29.74 ± 0.18
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.704 ± 0.352 |
0.537 ± 0.339 |
0.465 ± 0.428 |
27.70 ± 45.43 |
142.63 ± 20.77 |
| VC |
-0.975 ± 0.008 |
0.212 ± 0.026 |
-0.070 ± 0.070 |
-4.04 ± 4.41 |
167.75 ± 1.52 |
| MX1 |
-0.913 ± 0.039 |
0.409 ± 0.087 |
-0.005 ± 0.005 |
-0.31 ± 5.52 |
155.88 ± 5.49 |
| MX2 |
-0.915 ± 0.035 |
0.404 ± 0.079 |
-0.023 ± 0.023 |
-1.30 ± 4.44 |
156.17 ± 4.97 |
| MX3 |
-0.918 ± 0.024 |
0.389 ± 0.056 |
-0.074 ± 0.073 |
-4.22 ± 2.44 |
157.04 ± 3.50 |
| RH08 |
-0.995 ± 0.003 |
0.096 ± 0.032 |
-0.039 ± 0.039 |
-2.24 ± 1.82 |
174.48 ± 1.84 |
| RH09 |
-0.472 ± 0.061 |
0.257 ± 0.067 |
-0.844 ± 0.539 |
-57.52 ± 3.95 |
151.42 ± 7.39 |
| RH10 |
-0.472 ± 0.061 |
0.257 ± 0.067 |
-0.844 ± 0.539 |
-57.52 ± 3.95 |
151.42 ± 7.39 |
| Average |
-0.795 |
0.320 |
-0.179 |
-12.431 |
157.100 |
| Median |
-0.913 |
0.389 |
-0.039 |
-2.241 |
156.169 |
| Deviation |
0.218 |
0.140 |
0.446 |
29.734 |
9.942 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
59.1 ± 0.9 |
290.3 ± 2.3 |
1.37 ± 0.04 |
| VC |
89.9 ± 0.6 |
402.1 ± 2.2 |
1.37 ± 0.04 |
| MX1 |
77.5 ± 0.6 |
376.7 ± 2.3 |
1.37 ± 0.04 |
| MX2 |
78.1 ± 0.6 |
377.5 ± 2.3 |
1.37 ± 0.04 |
| MX3 |
79.8 ± 0.6 |
378.8 ± 2.2 |
1.37 ± 0.04 |
| RH08 |
84.2 ± 0.7 |
410.1 ± 2.2 |
1.37 ± 0.04 |
| RH09 |
84.6 ± 0.7 |
191.4 ± 1.1 |
1.37 ± 0.04 |
| RH10 |
84.6 ± 0.7 |
191.4 ± 3.8 |
1.37 ± 0.04 |
| Average |
79.7 |
327.3 |
1.37 |
| Median |
84.2 |
377.5 |
1.37 |
| Deviation |
9.3 |
91.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
48.6 ± 1.2 |
10.1 ± 0.3 |
13.8 ± 0.8 |
36.5 ± 1.2 |
4.82 ± 0.25 |
1.33 ± 0.07 |
| VC |
66.2 ± 1.6 |
0.0 ± 0.0 |
0.0 ± 0.0 |
37.9 ± 1.2 |
2481.49 ± 132.56 |
1.75 ± 0.10 |
| MX1 |
64.3 ± 1.6 |
4.1 ± 0.1 |
5.8 ± 0.3 |
37.7 ± 1.2 |
15.61 ± 0.83 |
1.71 ± 0.09 |
| MX2 |
64.5 ± 1.6 |
3.9 ± 0.1 |
5.5 ± 0.3 |
37.7 ± 1.2 |
16.42 ± 0.88 |
1.71 ± 0.09 |
| MX3 |
64.7 ± 1.6 |
3.4 ± 0.1 |
4.7 ± 0.3 |
37.8 ± 1.2 |
19.27 ± 1.03 |
1.72 ± 0.09 |
| RH8 |
65.6 ± 1.6 |
1.9 ± 0.1 |
2.7 ± 0.2 |
37.9 ± 1.2 |
34.17 ± 1.82 |
1.73 ± 0.09 |
| RH9 |
37.1 ± 1.1 |
1.8 ± 0.1 |
2.5 ± 0.1 |
37.9 ± 1.2 |
20.92 ± 1.23 |
0.98 ± 0.06 |
| RH10 |
37.1 ± 1.1 |
1.8 ± 0.1 |
2.5 ± 0.1 |
37.9 ± 1.2 |
20.92 ± 1.23 |
0.98 ± 0.06 |
| Average |
56.0 |
3.4 |
4.7 |
37.6 |
326.7 |
1.5 |
| Median |
64.5 |
3.4 |
4.7 |
37.9 |
20.9 |
1.7 |
| Deviation |
13.0 |
3.0 |
4.1 |
0.5 |
870.7 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
35.5 ± 2.0 |
11.2 ± 0.1 |
15.3 ± 0.1 |
40.6 ± 0.4 |
3.16 ± 0.15 |
0.88 ± 0.04 |
| VC |
49.2 ± 1.7 |
0.0 ± 0.0 |
0.0 ± 0.0 |
42.1 ± 0.4 |
1656.83 ± 40.88 |
1.17 ± 0.03 |
| MX1 |
47.7 ± 1.7 |
4.6 ± 0.0 |
6.4 ± 0.0 |
41.8 ± 0.4 |
10.40 ± 0.28 |
1.14 ± 0.03 |
| MX2 |
47.9 ± 1.7 |
4.4 ± 0.0 |
6.1 ± 0.0 |
41.9 ± 0.4 |
10.94 ± 0.29 |
1.14 ± 0.03 |
| MX3 |
48.0 ± 1.6 |
3.7 ± 0.0 |
5.3 ± 0.0 |
41.9 ± 0.4 |
12.84 ± 0.32 |
1.15 ± 0.03 |
| RH8 |
48.7 ± 1.7 |
2.1 ± 0.0 |
3.0 ± 0.0 |
42.0 ± 0.4 |
22.79 ± 0.58 |
1.16 ± 0.03 |
| RH9 |
27.4 ± 0.4 |
2.0 ± 0.0 |
2.8 ± 0.0 |
42.0 ± 0.4 |
13.88 ± 0.27 |
0.65 ± 0.01 |
| RH10 |
27.4 ± 0.4 |
2.0 ± 0.0 |
2.8 ± 0.0 |
42.0 ± 0.4 |
13.88 ± 0.27 |
0.65 ± 0.01 |
| Average |
41.5 |
3.8 |
5.2 |
41.8 |
218.1 |
1.0 |
| Median |
47.9 |
3.7 |
5.3 |
42.0 |
13.9 |
1.1 |
| Deviation |
9.8 |
3.4 |
4.6 |
0.5 |
581.4 |
0.2 |
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)
| 
