Database: Wind Shock Analysis
Event ID: 20112591857
Observation time: 09/16/2011 259.78967 1857 [UT]
|
|
General
Information (About, Top)
| Year |
2011 |
| Fractional day of year |
259.789670 |
| Arrival time of shock [seconds of day] |
68227.5 ± 60.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
212.958 |
| Y GSE location of spacecraft [Re] |
94.539 |
| Z GSE location of spacecraft [Re] |
-5.388 |
| Upstream plasma points selected for analysis |
0001 |
| Upstream field points selected for analysis |
0025 |
| Downstream plasma points selected for analysis |
0004
|
| Downstream field points selected for analysis |
0144 |
| Minimum chisq/dof for RH8,RH9,RH10 |
-2196.08, -1823.31, -1520.93 |
Event added to database
|
Fri Sep 20 13:42:47 2013
|
Event last processed
|
Tue Sep 24 10:30:54 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
47.966 ± 16.451
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-379.1 ± -379.1 |
-441.6 ± 4.7 |
| Vy GSE [km/s] |
-21.6 ± -21.6 |
-19.2 ± 2.9 |
| Vz GSE [km/s] |
13.7 ± 13.7 |
-17.8 ± 3.9 |
| Wi [km/s] |
19.5 ± 19.5 |
27.1 ± 1.1 |
| We [km/s] |
616.2 ± 616.2 |
856.6 ± 34.7 |
| Ni [n/cc] |
1.0 ± 1.0 |
2.4 ± 0.1 |
| Bx GSE [nT] |
2.6 ± 2.6 |
-1.9 ± 0.3 |
| By GSE [nT] |
-2.1 ± -2.1 |
-3.0 ± 0.2 |
| Bz GSE [nT] |
0.7 ± 0.7 |
-1.9 ± 0.2 |
Plasma Beta
|
0.066 ± 0.066
|
0.222 ± 0.218
|
Sound Speed [km/s]
|
25.16 ± 25.16
|
34.97 ± 1.42
|
Alfven Speed [km/s]
|
75.90 ± 75.90
|
57.67 ± 1.94
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.274 ± 0.035 |
0.950 ± 0.011 |
0.153 ± 0.152 |
8.81 ± 2.13 |
106.09 ± 2.09 |
| VC |
-0.894 ± 0.009 |
0.034 ± 0.040 |
-0.448 ± 0.415 |
-26.60 ± 1.15 |
177.83 ± 2.58 |
| MX1 |
-0.276 ± 0.031 |
0.948 ± 0.011 |
0.156 ± 0.155 |
9.00 ± 2.57 |
106.20 ± 1.90 |
| MX2 |
-0.272 ± 0.038 |
0.951 ± 0.012 |
0.150 ± 0.149 |
8.62 ± 1.81 |
105.97 ± 2.28 |
| MX3 |
-0.265 ± 0.053 |
0.955 ± 0.015 |
0.136 ± 0.135 |
7.82 ± 1.79 |
105.50 ± 3.16 |
| RH08 |
-0.507 ± 0.060 |
-0.350 ± 0.065 |
-0.788 ± 0.559 |
-51.97 ± 3.95 |
214.60 ± 6.51 |
| RH09 |
-0.519 ± 0.026 |
-0.358 ± 0.024 |
-0.777 ± 0.560 |
-50.94 ± 2.00 |
214.60 ± 2.00 |
| RH10 |
-0.519 ± 0.026 |
-0.358 ± 0.024 |
-0.777 ± 0.560 |
-50.94 ± 2.00 |
214.60 ± 2.00 |
| Average |
-0.441 |
0.346 |
-0.274 |
-18.276 |
155.673 |
| Median |
-0.276 |
0.948 |
0.136 |
7.819 |
177.828 |
| Deviation |
0.219 |
0.658 |
0.465 |
29.812 |
54.511 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
39.9 ± **** |
110.9 ± 3.2 |
2.39 ± 0.06 |
| VC |
38.1 ± **** |
459.5 ± 6.9 |
2.39 ± 0.06 |
| MX1 |
39.9 ± **** |
111.7 ± 3.2 |
2.39 ± 0.06 |
| MX2 |
39.9 ± **** |
110.2 ± 3.2 |
2.39 ± 0.06 |
| MX3 |
39.9 ± **** |
107.1 ± 3.2 |
2.39 ± 0.06 |
| RH08 |
71.2 ± **** |
291.1 ± 5.9 |
2.39 ± 0.06 |
| RH09 |
71.1 ± **** |
296.5 ± 5.9 |
2.39 ± 0.06 |
| RH10 |
71.1 ± **** |
296.5 ± 10.2 |
2.39 ± 0.06 |
| Average |
51.4 |
222.9 |
2.39 |
| Median |
39.9 |
291.1 |
2.39 |
| Deviation |
16.4 |
132.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
25.5 ± 25.5 |
18.8 ± 18.8 |
58.2 ± 58.2 |
77.7 ± 77.7 |
1.35 ± 1.35 |
0.33 ± 0.33 |
| VC |
127.7 ± 127.7 |
19.4 ± 19.4 |
59.7 ± 59.7 |
77.6 ± 77.6 |
6.59 ± 6.59 |
1.65 ± 1.65 |
| MX1 |
25.5 ± 25.5 |
18.9 ± 18.9 |
58.2 ± 58.2 |
77.7 ± 77.7 |
1.35 ± 1.35 |
0.33 ± 0.33 |
| MX2 |
25.5 ± 25.5 |
18.8 ± 18.8 |
58.2 ± 58.2 |
77.7 ± 77.7 |
1.35 ± 1.35 |
0.33 ± 0.33 |
| MX3 |
25.5 ± 25.5 |
18.8 ± 18.8 |
58.2 ± 58.2 |
77.7 ± 77.7 |
1.35 ± 1.35 |
0.33 ± 0.33 |
| RH8 |
102.1 ± 102.1 |
7.7 ± 7.7 |
24.5 ± 24.5 |
79.6 ± 79.6 |
13.21 ± 13.21 |
1.28 ± 1.28 |
| RH9 |
102.8 ± 102.8 |
7.8 ± 7.8 |
24.6 ± 24.6 |
79.6 ± 79.6 |
13.22 ± 13.22 |
1.29 ± 1.29 |
| RH10 |
102.8 ± 102.8 |
7.8 ± 7.8 |
24.6 ± 24.6 |
79.6 ± 79.6 |
13.22 ± 13.22 |
1.29 ± 1.29 |
| Average |
67.2 |
14.8 |
45.8 |
78.4 |
6.5 |
0.9 |
| Median |
102.1 |
18.8 |
58.2 |
77.7 |
6.6 |
1.3 |
| Deviation |
45.3 |
5.8 |
17.6 |
1.0 |
5.9 |
0.6 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
10.9 ± 3.2 |
24.6 ± 0.7 |
44.2 ± 1.5 |
62.8 ± 1.5 |
0.44 ± 0.14 |
0.17 ± 0.05 |
| VC |
57.6 ± 5.9 |
25.4 ± 0.8 |
45.4 ± 1.5 |
62.5 ± 1.5 |
2.27 ± 0.25 |
0.92 ± 0.12 |
| MX1 |
10.9 ± 3.1 |
24.6 ± 0.7 |
44.2 ± 1.5 |
62.8 ± 1.5 |
0.44 ± 0.14 |
0.17 ± 0.05 |
| MX2 |
10.9 ± 3.2 |
24.6 ± 0.7 |
44.2 ± 1.5 |
62.8 ± 1.5 |
0.44 ± 0.14 |
0.17 ± 0.05 |
| MX3 |
10.9 ± 3.2 |
24.6 ± 0.7 |
44.2 ± 1.5 |
62.8 ± 1.5 |
0.44 ± 0.14 |
0.17 ± 0.05 |
| RH8 |
46.5 ± 5.0 |
9.7 ± 0.2 |
18.6 ± 0.6 |
66.8 ± 1.4 |
4.78 ± 0.52 |
0.70 ± 0.09 |
| RH9 |
46.7 ± 5.0 |
9.8 ± 0.2 |
18.7 ± 0.6 |
66.8 ± 1.4 |
4.78 ± 0.52 |
0.70 ± 0.09 |
| RH10 |
46.7 ± 5.0 |
9.8 ± 0.2 |
18.7 ± 0.6 |
66.8 ± 1.4 |
4.78 ± 0.52 |
0.70 ± 0.09 |
| Average |
30.1 |
19.1 |
34.8 |
64.2 |
2.3 |
0.5 |
| Median |
46.5 |
24.6 |
44.2 |
62.8 |
2.3 |
0.7 |
| Deviation |
20.9 |
7.8 |
13.4 |
2.1 |
2.1 |
0.3 |
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)
| 
