Database: Wind Shock Analysis
Event ID: 20000420235
Observation time: 02/11/2000 42.10780 0235 [UT]
|
|
General
Information (About, Top)
| Year |
2000 |
| Fractional day of year |
42.107795 |
| Arrival time of shock [seconds of day] |
9313.5 ± 6.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
127.635 |
| Y GSE location of spacecraft [Re] |
-5.473 |
| Z GSE location of spacecraft [Re] |
8.709 |
| Upstream plasma points selected for analysis |
0010 |
| Upstream field points selected for analysis |
0325 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0234 |
| Minimum chisq/dof for RH8,RH9,RH10 |
5.94, 8.04, 8.19 |
Event added to database
|
Mon Feb 14 11:09:07 2005
|
Event last processed
|
Mon Mar 30 19:11:31 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
25.959 ± 0.710
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-406.3 ± 4.6 |
-477.3 ± 14.4 |
| Vy GSE [km/s] |
0.2 ± 9.4 |
18.4 ± 18.0 |
| Vz GSE [km/s] |
-20.2 ± 18.0 |
-5.7 ± 12.6 |
| Wi [km/s] |
31.0 ± 7.1 |
69.0 ± 10.7 |
| We [km/s] |
981.8 ± 223.1 |
2181.9 ± 338.3 |
| Ni [n/cc] |
2.5 ± 0.2 |
6.6 ± 1.2 |
| Bx GSE [nT] |
5.2 ± 0.2 |
8.4 ± 1.5 |
| By GSE [nT] |
-0.6 ± 0.5 |
2.7 ± 2.0 |
| Bz GSE [nT] |
-0.5 ± 1.1 |
1.6 ± 2.1 |
Plasma Beta
|
0.186 ± 0.166
|
0.861 ± 0.935
|
Sound Speed [km/s]
|
40.08 ± 9.11
|
89.08 ± 13.81
|
Alfven Speed [km/s]
|
74.31 ± 2.98
|
81.94 ± 17.66
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.872 ± 0.151 |
0.391 ± 0.272 |
0.294 ± 0.286 |
17.12 ± 19.55 |
155.85 ± 17.67 |
| VC |
-0.953 ± 0.078 |
0.242 ± 0.246 |
0.180 ± 0.178 |
10.35 ± 15.09 |
165.75 ± 14.79 |
| MX1 |
-0.921 ± 0.184 |
0.218 ± 0.540 |
0.324 ± 0.312 |
18.88 ± 24.03 |
166.69 ± 33.58 |
| MX2 |
-0.897 ± 0.166 |
0.354 ± 0.363 |
0.265 ± 0.258 |
15.34 ± 20.03 |
158.49 ± 23.05 |
| MX3 |
-0.889 ± 0.163 |
0.370 ± 0.334 |
0.271 ± 0.264 |
15.74 ± 19.69 |
157.42 ± 21.42 |
| RH08 |
-0.998 ± 0.001 |
0.061 ± 0.018 |
-0.006 ± 0.006 |
-0.32 ± 0.85 |
176.49 ± 1.02 |
| RH09 |
-0.999 ± 0.003 |
0.044 ± 0.069 |
0.006 ± 0.006 |
0.32 ± 4.05 |
177.49 ± 3.94 |
| RH10 |
-0.999 ± 0.003 |
0.044 ± 0.069 |
-0.006 ± 0.006 |
-0.32 ± 4.05 |
177.49 ± 3.94 |
| Average |
-0.941 |
0.215 |
0.166 |
9.639 |
166.958 |
| Median |
-0.921 |
0.242 |
0.265 |
15.340 |
166.688 |
| Deviation |
0.053 |
0.150 |
0.145 |
8.425 |
9.262 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
23.5 ± 4.0 |
469.6 ± 17.7 |
2.56 ± 0.49 |
| VC |
14.2 ± 5.2 |
506.7 ± 15.4 |
2.56 ± 0.49 |
| MX1 |
18.2 ± 5.8 |
489.7 ± 15.1 |
2.56 ± 0.49 |
| MX2 |
20.8 ± 4.1 |
480.6 ± 17.0 |
2.56 ± 0.49 |
| MX3 |
21.8 ± 4.0 |
477.8 ± 17.3 |
2.56 ± 0.49 |
| RH08 |
12.0 ± 7.7 |
524.7 ± 14.5 |
2.56 ± 0.49 |
| RH09 |
12.2 ± 7.2 |
525.1 ± 14.3 |
2.56 ± 0.49 |
| RH10 |
12.4 ± 7.5 |
524.9 ± 14.4 |
2.56 ± 0.49 |
| Average |
16.9 |
499.9 |
2.56 |
| Median |
18.2 |
506.7 |
2.56 |
| Deviation |
4.7 |
23.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
121.2 ± 4.6 |
35.3 ± 6.8 |
68.2 ± 2.7 |
76.9 ± 2.6 |
3.53 ± 0.62 |
1.58 ± 0.08 |
| VC |
123.0 ± 4.2 |
38.1 ± 7.9 |
72.0 ± 2.9 |
75.5 ± 2.6 |
3.34 ± 0.65 |
1.63 ± 0.09 |
| MX1 |
122.1 ± 4.7 |
37.1 ± 7.5 |
70.6 ± 2.8 |
76.0 ± 2.5 |
3.40 ± 0.60 |
1.61 ± 0.07 |
| MX2 |
121.4 ± 4.4 |
36.2 ± 7.2 |
69.5 ± 2.8 |
76.5 ± 2.6 |
3.46 ± 0.63 |
1.59 ± 0.08 |
| MX3 |
122.1 ± 4.5 |
35.9 ± 7.0 |
69.0 ± 2.8 |
76.6 ± 2.6 |
3.50 ± 0.63 |
1.60 ± 0.08 |
| RH8 |
119.1 ± 4.8 |
38.7 ± 8.2 |
72.7 ± 2.9 |
75.2 ± 2.6 |
3.20 ± 0.68 |
1.59 ± 0.10 |
| RH9 |
119.4 ± 4.7 |
38.6 ± 8.2 |
72.6 ± 2.9 |
75.2 ± 2.6 |
3.22 ± 0.68 |
1.59 ± 0.10 |
| RH10 |
118.9 ± 4.8 |
38.6 ± 8.2 |
72.6 ± 2.9 |
75.2 ± 2.6 |
3.21 ± 0.68 |
1.58 ± 0.10 |
| Average |
120.9 |
37.3 |
70.9 |
75.9 |
3.4 |
1.6 |
| Median |
121.4 |
38.1 |
72.0 |
76.0 |
3.4 |
1.6 |
| Deviation |
1.6 |
1.4 |
1.8 |
0.7 |
0.1 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
47.8 ± 14.6 |
61.7 ± 4.5 |
75.2 ± 16.2 |
105.9 ± 7.6 |
0.78 ± 0.27 |
0.45 ± 0.13 |
| VC |
48.2 ± 14.3 |
67.9 ± 6.0 |
79.4 ± 17.1 |
101.9 ± 8.7 |
0.72 ± 0.25 |
0.47 ± 0.12 |
| MX1 |
48.0 ± 14.5 |
65.4 ± 5.3 |
77.8 ± 16.8 |
103.6 ± 8.2 |
0.74 ± 0.26 |
0.46 ± 0.12 |
| MX2 |
47.4 ± 14.5 |
63.6 ± 4.9 |
76.6 ± 16.5 |
104.7 ± 7.9 |
0.75 ± 0.26 |
0.45 ± 0.13 |
| MX3 |
48.3 ± 14.6 |
62.9 ± 4.7 |
76.1 ± 16.4 |
105.1 ± 7.8 |
0.77 ± 0.26 |
0.46 ± 0.13 |
| RH8 |
47.1 ± 14.3 |
69.1 ± 6.4 |
80.1 ± 17.3 |
101.0 ± 9.1 |
0.69 ± 0.24 |
0.47 ± 0.12 |
| RH9 |
47.5 ± 14.3 |
69.0 ± 6.3 |
80.1 ± 17.3 |
101.1 ± 9.0 |
0.69 ± 0.24 |
0.47 ± 0.12 |
| RH10 |
47.2 ± 14.3 |
68.9 ± 6.3 |
80.0 ± 17.3 |
101.1 ± 9.0 |
0.69 ± 0.24 |
0.47 ± 0.12 |
| Average |
47.7 |
66.1 |
78.2 |
103.0 |
0.7 |
0.5 |
| Median |
47.8 |
67.9 |
79.4 |
103.6 |
0.7 |
0.5 |
| Deviation |
0.4 |
3.1 |
2.0 |
2.0 |
0.0 |
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)
| 
