Database: Wind Shock Analysis
Event ID: 20020480124
Observation time: 02/17/2002 48.05863 0124 [UT]
|
|
General
Information (About, Top)
| Year |
2002 |
| Fractional day of year |
48.058628 |
| Arrival time of shock [seconds of day] |
5065.5 ± 54.0 |
| Shock type |
SF |
| Electron data availability |
0 |
| X GSE location of spacecraft [Re] |
-8.300 |
| Y GSE location of spacecraft [Re] |
-290.979 |
| Z GSE location of spacecraft [Re] |
10.700 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0221 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0242 |
| Minimum chisq/dof for RH8,RH9,RH10 |
6.14, 15.30, 16.24 |
Event added to database
|
Mon Feb 14 11:17:53 2005
|
Event last processed
|
Mon Mar 30 22:37:39 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
-136.222 ± 2.808
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-327.2 ± 3.0 |
-360.3 ± 2.6 |
| Vy GSE [km/s] |
-36.7 ± 2.1 |
-14.1 ± 0.5 |
| Vz GSE [km/s] |
-10.3 ± 2.6 |
14.3 ± 2.0 |
| Wi [km/s] |
18.3 ± 0.3 |
18.5 ± 0.6 |
| We [km/s] |
578.9 ± 10.6 |
585.3 ± 19.0 |
| Ni [n/cc] |
7.9 ± 0.3 |
14.4 ± 0.5 |
| Bx GSE [nT] |
-4.6 ± 0.2 |
2.7 ± 0.2 |
| By GSE [nT] |
3.5 ± 0.2 |
-1.0 ± 0.2 |
| Bz GSE [nT] |
4.0 ± 0.3 |
-2.1 ± 0.5 |
Plasma Beta
|
0.111 ± 0.108
|
0.807 ± 0.795
|
Sound Speed [km/s]
|
23.64 ± 0.43
|
23.90 ± 0.78
|
Alfven Speed [km/s]
|
55.01 ± 1.05
|
20.62 ± 0.78
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.740 ± 0.565 |
-0.665 ± 0.628 |
-0.105 ± 0.104 |
-6.01 ± 23.04 |
221.94 ± 48.58 |
| VC |
-0.702 ± 0.048 |
0.483 ± 0.052 |
0.523 ± 0.469 |
31.53 ± 4.86 |
145.47 ± 3.75 |
| MX1 |
-0.812 ± 0.346 |
-0.419 ± 0.579 |
-0.407 ± 0.383 |
-24.00 ± 28.62 |
207.29 ± 40.36 |
| MX2 |
-0.821 ± 0.597 |
-0.569 ± 0.861 |
-0.047 ± 0.047 |
-2.68 ± 25.84 |
214.73 ± 60.10 |
| MX3 |
-0.907 ± 0.247 |
0.036 ± 1.015 |
-0.420 ± 0.393 |
-24.84 ± 33.21 |
177.71 ± 64.13 |
| RH08 |
-0.456 ± 0.015 |
-0.882 ± 0.008 |
0.117 ± 0.117 |
6.74 ± 1.29 |
242.67 ± 1.00 |
| RH09 |
-0.456 ± 0.043 |
-0.882 ± 0.023 |
0.117 ± 0.117 |
6.74 ± 3.78 |
242.67 ± 2.78 |
| RH10 |
-0.456 ± 0.043 |
-0.882 ± 0.023 |
0.117 ± 0.117 |
6.74 ± 3.83 |
242.67 ± 2.81 |
| Average |
-0.669 |
-0.473 |
-0.013 |
-0.725 |
211.896 |
| Median |
-0.702 |
-0.569 |
0.117 |
6.737 |
221.943 |
| Deviation |
0.186 |
0.496 |
0.309 |
18.371 |
34.955 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
84.6 ± 2.3 |
283.2 ± 5.2 |
1.83 ± 0.07 |
| VC |
4.0 ± 2.8 |
309.6 ± 6.4 |
1.83 ± 0.07 |
| MX1 |
84.6 ± 2.8 |
300.9 ± 6.6 |
1.83 ± 0.07 |
| MX2 |
76.8 ± 2.3 |
319.7 ± 5.5 |
1.83 ± 0.07 |
| MX3 |
67.9 ± 2.9 |
344.3 ± 6.9 |
1.83 ± 0.07 |
| RH08 |
85.7 ± 1.7 |
176.2 ± 3.3 |
1.83 ± 0.07 |
| RH09 |
85.7 ± 1.7 |
176.2 ± 3.3 |
1.83 ± 0.07 |
| RH10 |
85.7 ± 1.7 |
176.2 ± 3.3 |
1.83 ± 0.07 |
| Average |
71.9 |
260.8 |
1.83 |
| Median |
84.6 |
300.9 |
1.83 |
| Deviation |
28.1 |
72.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
15.7 ± 2.7 |
2.0 ± 0.0 |
5.2 ± 0.1 |
59.8 ± 0.9 |
7.70 ± 1.35 |
0.26 ± 0.05 |
| VC |
102.9 ± 1.8 |
23.6 ± 0.4 |
54.9 ± 1.0 |
55.0 ± 1.1 |
4.37 ± 0.12 |
1.87 ± 0.06 |
| MX1 |
15.7 ± 3.2 |
2.0 ± 0.0 |
5.1 ± 0.1 |
59.8 ± 0.9 |
7.72 ± 1.62 |
0.26 ± 0.05 |
| MX2 |
29.7 ± 2.8 |
5.0 ± 0.1 |
12.5 ± 0.2 |
59.7 ± 0.9 |
5.99 ± 0.58 |
0.50 ± 0.05 |
| MX3 |
44.7 ± 3.5 |
8.2 ± 0.1 |
20.7 ± 0.4 |
59.3 ± 0.9 |
5.43 ± 0.47 |
0.75 ± 0.06 |
| RH8 |
-4.1 ± 2.3 |
1.6 ± 0.0 |
4.1 ± 0.1 |
59.9 ± 0.9 |
-2.53 ± 1.39 |
-0.07 ± 0.04 |
| RH9 |
-4.1 ± 2.3 |
1.6 ± 0.0 |
4.1 ± 0.1 |
59.9 ± 0.9 |
-2.53 ± 1.39 |
-0.07 ± 0.04 |
| RH10 |
-4.1 ± 2.3 |
1.6 ± 0.0 |
4.1 ± 0.1 |
59.9 ± 0.9 |
-2.53 ± 1.39 |
-0.07 ± 0.04 |
| Average |
24.5 |
5.7 |
13.9 |
59.2 |
3.0 |
0.4 |
| Median |
15.7 |
2.0 |
5.2 |
59.8 |
5.4 |
0.3 |
| Deviation |
36.2 |
7.6 |
17.6 |
1.7 |
4.7 |
0.7 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
8.9 ± 2.1 |
1.5 ± 0.0 |
1.9 ± 0.1 |
31.5 ± 1.0 |
6.00 ± 1.27 |
0.28 ± 0.06 |
| VC |
55.9 ± 1.3 |
20.4 ± 0.8 |
20.6 ± 0.8 |
24.1 ± 0.8 |
2.74 ± 0.05 |
2.32 ± 0.06 |
| MX1 |
8.3 ± 2.8 |
1.5 ± 0.0 |
1.9 ± 0.1 |
31.5 ± 1.0 |
5.62 ± 1.78 |
0.26 ± 0.08 |
| MX2 |
16.6 ± 2.2 |
3.6 ± 0.1 |
4.7 ± 0.2 |
31.4 ± 1.0 |
4.62 ± 0.50 |
0.53 ± 0.06 |
| MX3 |
24.1 ± 3.1 |
6.0 ± 0.2 |
7.7 ± 0.3 |
31.0 ± 1.0 |
4.03 ± 0.41 |
0.78 ± 0.08 |
| RH8 |
-2.1 ± 1.1 |
1.2 ± 0.0 |
1.6 ± 0.1 |
31.5 ± 1.0 |
-1.82 ± 0.95 |
-0.07 ± 0.04 |
| RH9 |
-2.1 ± 1.1 |
1.2 ± 0.0 |
1.6 ± 0.1 |
31.5 ± 1.0 |
-1.82 ± 0.95 |
-0.07 ± 0.04 |
| RH10 |
-2.1 ± 1.1 |
1.2 ± 0.0 |
1.6 ± 0.1 |
31.5 ± 1.0 |
-1.82 ± 0.95 |
-0.07 ± 0.04 |
| Average |
13.4 |
4.6 |
5.2 |
30.5 |
2.2 |
0.5 |
| Median |
8.9 |
1.5 |
1.9 |
31.5 |
4.0 |
0.3 |
| Deviation |
19.6 |
6.6 |
6.6 |
2.6 |
3.5 |
0.8 |
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)
| 
