Database: Wind Shock Analysis
Event ID: 20121140215
Observation time: 04/23/2012 114.09387 0215 [UT]
|
|
General
Information (About, Top)
| Year |
2012 |
| Fractional day of year |
114.093872 |
| Arrival time of shock [seconds of day] |
8110.5 ± 10.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
260.544 |
| Y GSE location of spacecraft [Re] |
127.448 |
| Z GSE location of spacecraft [Re] |
27.090 |
| Upstream plasma points selected for analysis |
0003 |
| Upstream field points selected for analysis |
0125 |
| Downstream plasma points selected for analysis |
0003
|
| Downstream field points selected for analysis |
0098 |
| Minimum chisq/dof for RH8,RH9,RH10 |
32.99, Infinity, -8384.27 |
Event added to database
|
Thu Sep 19 15:52:00 2013
|
Event last processed
|
Mon Oct 7 14:14:22 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
66.222 ± 1.915
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-328.6 ± 1.6 |
-382.9 ± 1.9 |
| Vy GSE [km/s] |
-10.7 ± 1.2 |
-12.4 ± 1.4 |
| Vz GSE [km/s] |
-8.2 ± 1.6 |
-15.6 ± 1.9 |
| Wi [km/s] |
24.7 ± 0.7 |
33.9 ± 0.5 |
| We [km/s] |
779.9 ± 23.7 |
1071.8 ± 15.4 |
| Ni [n/cc] |
12.0 ± 0.4 |
26.9 ± 0.6 |
| Bx GSE [nT] |
0.6 ± 0.3 |
-0.1 ± 0.3 |
| By GSE [nT] |
3.4 ± 0.3 |
8.6 ± 0.1 |
| Bz GSE [nT] |
0.8 ± 0.2 |
2.9 ± 0.9 |
Plasma Beta
|
1.251 ± 1.253
|
0.787 ± 0.760
|
Sound Speed [km/s]
|
31.84 ± 0.97
|
43.75 ± 0.63
|
Alfven Speed [km/s]
|
22.25 ± 2.20
|
38.28 ± 1.80
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.944 ± 0.092 |
-0.256 ± 0.231 |
0.209 ± 0.206 |
12.08 ± 19.09 |
195.21 ± 14.00 |
| VC |
-0.990 ± 0.006 |
-0.031 ± 0.029 |
-0.136 ± 0.135 |
-7.80 ± 2.44 |
181.77 ± 1.66 |
| MX1 |
-0.988 ± 0.007 |
-0.067 ± 0.044 |
-0.140 ± 0.139 |
-8.05 ± 2.46 |
183.89 ± 2.53 |
| MX2 |
-0.987 ± 0.008 |
-0.064 ± 0.040 |
-0.147 ± 0.146 |
-8.43 ± 2.82 |
183.68 ± 2.31 |
| MX3 |
-0.987 ± 0.008 |
-0.061 ± 0.038 |
-0.151 ± 0.149 |
-8.66 ± 3.06 |
183.56 ± 2.20 |
| RH08 |
-0.988 ± 0.011 |
-0.061 ± 0.070 |
-0.140 ± 0.139 |
-8.03 ± 4.02 |
183.51 ± 4.07 |
| RH09 |
-0.000 ± 0.035 |
-0.000 ± 0.000 |
-1.000 ± 0.000 |
-90.00 ± 2.00 |
0.00 ± 2.00 |
| RH10 |
-0.072 ± 0.071 |
0.965 ± 0.018 |
0.251 ± 0.246 |
14.56 ± 3.99 |
94.26 ± 4.20 |
| Average |
-0.744 |
0.053 |
-0.157 |
-13.043 |
150.735 |
| Median |
-0.987 |
-0.061 |
-0.140 |
-8.028 |
183.563 |
| Deviation |
0.438 |
0.376 |
0.380 |
32.587 |
68.855 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
69.3 ± 4.3 |
401.5 ± 2.2 |
2.24 ± 0.12 |
| VC |
76.9 ± 2.6 |
425.4 ± 1.9 |
2.24 ± 0.12 |
| MX1 |
74.8 ± 2.6 |
425.0 ± 1.9 |
2.24 ± 0.12 |
| MX2 |
74.9 ± 2.6 |
424.8 ± 1.9 |
2.24 ± 0.12 |
| MX3 |
75.0 ± 2.5 |
424.7 ± 1.9 |
2.24 ± 0.12 |
| RH08 |
75.1 ± 2.6 |
425.1 ± 1.9 |
2.24 ± 0.12 |
| RH09 |
76.2 ± 4.7 |
22.6 ± 1.1 |
2.24 ± 0.12 |
| RH10 |
14.2 ± 3.7 |
12.3 ± 1.9 |
2.24 ± 0.12 |
| Average |
67.0 |
320.2 |
2.24 |
| Median |
75.0 |
424.8 |
2.24 |
| Deviation |
21.5 |
187.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
90.4 ± 2.0 |
6.5 ± 0.4 |
7.9 ± 0.8 |
38.3 ± 1.6 |
13.91 ± 1.17 |
2.36 ± 0.13 |
| VC |
98.6 ± 1.4 |
4.2 ± 0.3 |
5.1 ± 0.5 |
38.6 ± 1.6 |
23.79 ± 1.80 |
2.55 ± 0.12 |
| MX1 |
98.6 ± 1.4 |
4.8 ± 0.3 |
5.8 ± 0.6 |
38.6 ± 1.6 |
20.53 ± 1.56 |
2.56 ± 0.12 |
| MX2 |
98.6 ± 1.4 |
4.8 ± 0.3 |
5.8 ± 0.6 |
38.6 ± 1.6 |
20.69 ± 1.57 |
2.56 ± 0.12 |
| MX3 |
98.6 ± 1.4 |
4.8 ± 0.3 |
5.8 ± 0.6 |
38.6 ± 1.6 |
20.78 ± 1.58 |
2.56 ± 0.12 |
| RH8 |
98.6 ± 1.4 |
4.7 ± 0.3 |
5.7 ± 0.6 |
38.6 ± 1.6 |
21.04 ± 1.60 |
2.56 ± 0.12 |
| RH9 |
14.4 ± 1.6 |
4.4 ± 0.3 |
5.3 ± 0.5 |
38.6 ± 1.6 |
3.29 ± 0.23 |
0.37 ± 0.04 |
| RH10 |
1.0 ± 0.9 |
21.0 ± 1.9 |
21.6 ± 2.1 |
32.7 ± 1.0 |
0.05 ± 0.04 |
0.03 ± 0.03 |
| Average |
74.8 |
6.9 |
7.9 |
37.8 |
15.5 |
1.9 |
| Median |
98.6 |
4.8 |
5.8 |
38.6 |
20.7 |
2.6 |
| Deviation |
41.7 |
5.7 |
5.6 |
2.1 |
9.0 |
1.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
40.3 ± 2.4 |
10.3 ± 0.3 |
13.5 ± 0.6 |
57.2 ± 1.4 |
3.90 ± 0.33 |
0.70 ± 0.05 |
| VC |
43.7 ± 1.9 |
6.6 ± 0.2 |
8.7 ± 0.4 |
57.8 ± 1.4 |
6.65 ± 0.47 |
0.76 ± 0.05 |
| MX1 |
43.8 ± 1.9 |
7.6 ± 0.2 |
10.1 ± 0.5 |
57.6 ± 1.4 |
5.74 ± 0.41 |
0.76 ± 0.05 |
| MX2 |
43.8 ± 1.9 |
7.6 ± 0.2 |
10.0 ± 0.5 |
57.7 ± 1.4 |
5.79 ± 0.41 |
0.76 ± 0.05 |
| MX3 |
43.8 ± 1.9 |
7.5 ± 0.2 |
9.9 ± 0.5 |
57.7 ± 1.4 |
5.82 ± 0.41 |
0.76 ± 0.05 |
| RH8 |
43.8 ± 1.9 |
7.4 ± 0.2 |
9.8 ± 0.5 |
57.7 ± 1.4 |
5.88 ± 0.42 |
0.76 ± 0.05 |
| RH9 |
7.0 ± 1.9 |
6.9 ± 0.2 |
9.1 ± 0.4 |
57.7 ± 1.4 |
1.01 ± 0.29 |
0.12 ± 0.03 |
| RH10 |
0.6 ± 1.1 |
34.9 ± 1.3 |
37.1 ± 1.7 |
46.5 ± 0.9 |
0.02 ± 0.03 |
0.01 ± 0.02 |
| Average |
33.3 |
11.1 |
13.5 |
56.2 |
4.4 |
0.6 |
| Median |
43.8 |
7.6 |
10.0 |
57.7 |
5.8 |
0.8 |
| Deviation |
18.3 |
9.7 |
9.6 |
3.9 |
2.5 |
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)
| 
