Database: Wind Shock Analysis
Event ID: 20012421358
Observation time: 08/30/2001 242.58220 1358 [UT]
|
|
General
Information (About, Top)
| Year |
2001 |
| Fractional day of year |
242.582205 |
| Arrival time of shock [seconds of day] |
50302.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
24.796 |
| Y GSE location of spacecraft [Re] |
147.552 |
| Z GSE location of spacecraft [Re] |
6.612 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0222 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0216 |
| Minimum chisq/dof for RH8,RH9,RH10 |
16.09, 24.73, 25.88 |
Event added to database
|
Mon Feb 14 11:15:01 2005
|
Event last processed
|
Mon Mar 30 21:29:37 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
2.424 ± 0.697
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-436.7 ± 3.7 |
-522.5 ± 9.0 |
| Vy GSE [km/s] |
-0.1 ± 3.8 |
-25.6 ± 3.4 |
| Vz GSE [km/s] |
-54.1 ± 6.1 |
-59.1 ± 6.3 |
| Wi [km/s] |
29.1 ± 1.4 |
40.9 ± 2.5 |
| We [km/s] |
921.5 ± 45.0 |
1293.6 ± 80.5 |
| Ni [n/cc] |
2.2 ± 0.1 |
4.5 ± 0.3 |
| Bx GSE [nT] |
2.7 ± 0.4 |
1.0 ± 0.7 |
| By GSE [nT] |
-2.2 ± 0.4 |
-5.0 ± 0.4 |
| Bz GSE [nT] |
-3.5 ± 0.6 |
-7.3 ± 0.3 |
Plasma Beta
|
0.165 ± 0.157
|
0.195 ± 0.196
|
Sound Speed [km/s]
|
37.62 ± 1.84
|
52.81 ± 3.28
|
Alfven Speed [km/s]
|
72.15 ± 2.81
|
93.09 ± 4.12
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.936 ± 0.069 |
0.111 ± 0.277 |
0.334 ± 0.321 |
19.52 ± 10.40 |
173.23 ± 16.94 |
| VC |
-0.956 ± 0.019 |
-0.288 ± 0.060 |
-0.060 ± 0.060 |
-3.43 ± 5.36 |
196.75 ± 3.58 |
| MX1 |
-0.935 ± 0.041 |
0.067 ± 0.137 |
0.347 ± 0.333 |
20.32 ± 6.61 |
175.89 ± 8.41 |
| MX2 |
-0.931 ± 0.043 |
0.022 ± 0.073 |
0.365 ± 0.348 |
21.41 ± 6.77 |
178.62 ± 4.51 |
| MX3 |
-0.926 ± 0.049 |
-0.019 ± 0.038 |
0.378 ± 0.358 |
22.18 ± 7.46 |
181.17 ± 2.32 |
| RH08 |
-0.953 ± 0.005 |
0.058 ± 0.017 |
0.296 ± 0.287 |
17.22 ± 0.85 |
176.49 ± 1.02 |
| RH09 |
-0.932 ± 0.025 |
0.173 ± 0.069 |
0.318 ± 0.307 |
18.57 ± 4.01 |
169.47 ± 4.24 |
| RH10 |
-0.936 ± 0.025 |
0.174 ± 0.069 |
0.307 ± 0.297 |
17.89 ± 4.00 |
169.47 ± 4.24 |
| Average |
-0.938 |
0.037 |
0.286 |
16.710 |
177.637 |
| Median |
-0.935 |
0.067 |
0.334 |
19.524 |
176.490 |
| Deviation |
0.011 |
0.148 |
0.142 |
8.314 |
8.749 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
38.1 ± 4.7 |
549.9 ± 27.7 |
2.00 ± 0.19 |
| VC |
70.0 ± 4.1 |
603.0 ± 27.6 |
2.00 ± 0.19 |
| MX1 |
39.1 ± 4.2 |
551.1 ± 28.0 |
2.00 ± 0.19 |
| MX2 |
40.1 ± 3.8 |
549.6 ± 28.2 |
2.00 ± 0.19 |
| MX3 |
41.2 ± 3.4 |
547.6 ± 28.3 |
2.00 ± 0.19 |
| RH08 |
41.8 ± 4.5 |
565.1 ± 28.2 |
2.00 ± 0.19 |
| RH09 |
36.6 ± 5.3 |
545.2 ± 27.2 |
2.00 ± 0.19 |
| RH10 |
37.1 ± 5.4 |
547.9 ± 27.3 |
2.00 ± 0.19 |
| Average |
43.0 |
557.4 |
2.00 |
| Median |
40.1 |
549.9 |
2.00 |
| Deviation |
11.1 |
19.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
159.2 ± 2.4 |
27.9 ± 1.1 |
56.8 ± 2.2 |
76.5 ± 2.2 |
5.71 ± 0.22 |
2.08 ± 0.07 |
| VC |
182.3 ± 3.3 |
11.5 ± 0.4 |
24.7 ± 1.0 |
80.6 ± 1.9 |
15.83 ± 0.54 |
2.26 ± 0.08 |
| MX1 |
161.4 ± 2.3 |
27.5 ± 1.1 |
56.0 ± 2.2 |
76.6 ± 2.2 |
5.88 ± 0.23 |
2.11 ± 0.07 |
| MX2 |
162.9 ± 2.2 |
27.0 ± 1.0 |
55.2 ± 2.2 |
76.8 ± 2.2 |
6.03 ± 0.23 |
2.12 ± 0.07 |
| MX3 |
163.7 ± 2.2 |
26.5 ± 1.0 |
54.3 ± 2.1 |
77.0 ± 2.2 |
6.18 ± 0.24 |
2.13 ± 0.06 |
| RH8 |
164.7 ± 2.5 |
26.3 ± 1.0 |
53.8 ± 2.1 |
77.0 ± 2.2 |
6.28 ± 0.24 |
2.14 ± 0.07 |
| RH9 |
155.4 ± 2.5 |
28.6 ± 1.1 |
57.9 ± 2.3 |
76.2 ± 2.3 |
5.45 ± 0.22 |
2.04 ± 0.08 |
| RH10 |
155.9 ± 2.6 |
28.3 ± 1.1 |
57.5 ± 2.2 |
76.3 ± 2.2 |
5.51 ± 0.22 |
2.05 ± 0.08 |
| Average |
163.2 |
25.5 |
52.0 |
77.1 |
7.1 |
2.1 |
| Median |
162.9 |
27.5 |
56.0 |
76.8 |
6.0 |
2.1 |
| Deviation |
8.5 |
5.7 |
11.1 |
1.4 |
3.5 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
83.5 ± 10.0 |
38.7 ± 2.0 |
73.3 ± 3.2 |
99.8 ± 3.7 |
2.16 ± 0.23 |
0.84 ± 0.11 |
| VC |
92.7 ± 8.4 |
15.9 ± 0.7 |
31.9 ± 1.4 |
105.9 ± 3.6 |
5.84 ± 0.48 |
0.88 ± 0.09 |
| MX1 |
84.6 ± 10.1 |
38.1 ± 1.9 |
72.2 ± 3.2 |
100.1 ± 3.7 |
2.22 ± 0.24 |
0.85 ± 0.11 |
| MX2 |
85.5 ± 10.2 |
37.5 ± 1.9 |
71.2 ± 3.2 |
100.3 ± 3.7 |
2.28 ± 0.24 |
0.85 ± 0.11 |
| MX3 |
85.8 ± 10.3 |
36.7 ± 1.9 |
70.0 ± 3.1 |
100.6 ± 3.6 |
2.33 ± 0.25 |
0.85 ± 0.11 |
| RH8 |
85.9 ± 10.0 |
36.4 ± 1.8 |
69.4 ± 3.1 |
100.7 ± 3.6 |
2.36 ± 0.25 |
0.85 ± 0.11 |
| RH9 |
81.5 ± 9.9 |
39.6 ± 2.0 |
74.7 ± 3.3 |
99.5 ± 3.7 |
2.06 ± 0.23 |
0.82 ± 0.11 |
| RH10 |
81.7 ± 9.9 |
39.3 ± 2.0 |
74.2 ± 3.3 |
99.6 ± 3.7 |
2.08 ± 0.23 |
0.82 ± 0.11 |
| Average |
85.1 |
35.3 |
67.1 |
100.8 |
2.7 |
0.8 |
| Median |
85.5 |
38.1 |
72.2 |
100.3 |
2.3 |
0.9 |
| Deviation |
3.5 |
7.9 |
14.4 |
2.1 |
1.3 |
0.0 |
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)
| 
