Database: Wind Shock Analysis
Event ID: 20020170526
Observation time: 01/17/2002 17.22703 0526 [UT]
|
|
General
Information (About, Top)
| Year |
2002 |
| Fractional day of year |
17.227031 |
| Arrival time of shock [seconds of day] |
19615.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
37.148 |
| Y GSE location of spacecraft [Re] |
-310.912 |
| Z GSE location of spacecraft [Re] |
18.550 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0313 |
| Downstream plasma points selected for analysis |
0006
|
| Downstream field points selected for analysis |
0271 |
| Minimum chisq/dof for RH8,RH9,RH10 |
12.25, 24.21, 24.78 |
Event added to database
|
Mon Feb 14 11:17:34 2005
|
Event last processed
|
Mon Mar 30 22:32:23 2009
|
Method selected
|
RH09
|
Propagation delay to Earth [minutes]
|
27.444 ± 5.439
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-352.0 ± 2.9 |
-361.8 ± 4.6 |
| Vy GSE [km/s] |
13.7 ± 7.2 |
33.1 ± 4.1 |
| Vz GSE [km/s] |
9.4 ± 7.4 |
41.9 ± 1.3 |
| Wi [km/s] |
26.5 ± 1.2 |
31.4 ± 0.8 |
| We [km/s] |
839.2 ± 37.3 |
991.7 ± 25.6 |
| Ni [n/cc] |
6.5 ± 0.4 |
9.6 ± 0.7 |
| Bx GSE [nT] |
-5.6 ± 0.6 |
-10.5 ± 0.4 |
| By GSE [nT] |
-2.6 ± 1.3 |
-0.6 ± 1.1 |
| Bz GSE [nT] |
-1.5 ± 1.2 |
-4.8 ± 0.2 |
Plasma Beta
|
0.223 ± 0.204
|
0.148 ± 0.155
|
Sound Speed [km/s]
|
34.26 ± 1.52
|
40.49 ± 1.04
|
Alfven Speed [km/s]
|
56.78 ± 3.96
|
81.87 ± 4.20
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.879 ± 0.476 |
-0.451 ± 0.925 |
0.157 ± 0.156 |
9.06 ± 11.56 |
207.17 ± 60.34 |
| VC |
-0.245 ± 0.126 |
0.504 ± 0.194 |
0.828 ± 0.547 |
55.91 ± 14.59 |
115.96 ± 9.83 |
| MX1 |
-0.592 ± 0.274 |
0.366 ± 0.417 |
0.718 ± 0.558 |
45.92 ± 9.50 |
148.25 ± 39.91 |
| MX2 |
-0.400 ± 0.193 |
0.502 ± 0.173 |
0.767 ± 0.561 |
50.05 ± 9.65 |
128.56 ± 20.07 |
| MX3 |
-0.332 ± 0.146 |
0.559 ± 0.132 |
0.760 ± 0.561 |
49.46 ± 9.39 |
120.73 ± 13.46 |
| RH08 |
-0.505 ± 0.011 |
-0.767 ± 0.008 |
0.397 ± 0.374 |
23.37 ± 0.75 |
236.66 ± 0.82 |
| RH09 |
-0.928 ± 0.022 |
0.241 ± 0.058 |
0.285 ± 0.277 |
16.55 ± 3.20 |
165.46 ± 3.60 |
| RH10 |
-0.928 ± 0.025 |
0.241 ± 0.066 |
0.285 ± 0.277 |
16.55 ± 3.73 |
165.46 ± 4.04 |
| Average |
-0.601 |
0.149 |
0.525 |
33.359 |
161.030 |
| Median |
-0.505 |
0.366 |
0.718 |
45.921 |
165.460 |
| Deviation |
0.278 |
0.490 |
0.270 |
18.743 |
42.697 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
25.4 ± 9.9 |
320.8 ± 8.8 |
1.44 ± 0.09 |
| VC |
79.4 ± 3.6 |
222.8 ± 23.7 |
1.44 ± 0.09 |
| MX1 |
79.0 ± 3.2 |
333.6 ± 19.6 |
1.44 ± 0.09 |
| MX2 |
87.8 ± 3.3 |
275.2 ± 21.2 |
1.44 ± 0.09 |
| MX3 |
83.3 ± 3.3 |
252.9 ± 21.1 |
1.44 ± 0.09 |
| RH08 |
48.0 ± 15.3 |
182.7 ± 17.0 |
1.44 ± 0.09 |
| RH09 |
51.2 ± 4.5 |
404.3 ± 9.9 |
1.44 ± 0.09 |
| RH10 |
51.2 ± 4.5 |
404.3 ± 9.9 |
1.44 ± 0.09 |
| Average |
63.2 |
299.6 |
1.44 |
| Median |
79.0 |
320.8 |
1.44 |
| Deviation |
22.3 |
81.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
16.3 ± 2.8 |
29.6 ± 1.0 |
51.3 ± 3.6 |
59.4 ± 3.5 |
0.55 ± 0.10 |
0.28 ± 0.06 |
| VC |
121.8 ± 3.4 |
5.4 ± 0.2 |
10.5 ± 0.7 |
66.1 ± 3.1 |
22.54 ± 0.85 |
1.85 ± 0.12 |
| MX1 |
113.6 ± 3.0 |
5.6 ± 0.2 |
10.8 ± 0.8 |
66.1 ± 3.1 |
20.33 ± 0.78 |
1.72 ± 0.10 |
| MX2 |
120.2 ± 3.1 |
1.1 ± 0.0 |
2.1 ± 0.1 |
66.4 ± 3.1 |
108.65 ± 3.79 |
1.82 ± 0.11 |
| MX3 |
121.2 ± 3.0 |
3.4 ± 0.1 |
6.7 ± 0.5 |
66.3 ± 3.1 |
35.34 ± 1.16 |
1.83 ± 0.10 |
| RH8 |
11.9 ± 7.1 |
20.6 ± 0.6 |
38.0 ± 2.6 |
63.1 ± 3.2 |
0.58 ± 0.35 |
0.19 ± 0.12 |
| RH9 |
71.7 ± 2.9 |
19.1 ± 0.6 |
35.5 ± 2.5 |
63.5 ± 3.2 |
3.75 ± 0.17 |
1.13 ± 0.04 |
| RH10 |
71.7 ± 2.9 |
19.1 ± 0.6 |
35.5 ± 2.5 |
63.5 ± 3.2 |
3.75 ± 0.17 |
1.13 ± 0.04 |
| Average |
81.1 |
13.0 |
23.8 |
64.3 |
24.4 |
1.2 |
| Median |
113.6 |
19.1 |
35.5 |
66.1 |
20.3 |
1.7 |
| Deviation |
46.3 |
10.4 |
18.3 |
2.4 |
36.3 |
0.7 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
11.3 ± 2.5 |
35.6 ± 0.8 |
74.0 ± 3.8 |
84.1 ± 4.0 |
0.32 ± 0.07 |
0.13 ± 0.02 |
| VC |
82.7 ± 3.3 |
6.7 ± 0.1 |
15.1 ± 0.8 |
91.1 ± 3.7 |
12.35 ± 0.48 |
0.91 ± 0.01 |
| MX1 |
77.4 ± 4.3 |
6.9 ± 0.1 |
15.6 ± 0.8 |
91.1 ± 3.7 |
11.17 ± 0.60 |
0.85 ± 0.02 |
| MX2 |
81.7 ± 4.0 |
1.4 ± 0.0 |
3.1 ± 0.2 |
91.3 ± 3.7 |
59.51 ± 2.76 |
0.89 ± 0.01 |
| MX3 |
82.5 ± 3.9 |
4.3 ± 0.1 |
9.6 ± 0.5 |
91.3 ± 3.7 |
19.39 ± 0.87 |
0.90 ± 0.01 |
| RH8 |
8.9 ± 1.8 |
25.2 ± 0.5 |
54.8 ± 2.8 |
87.8 ± 3.8 |
0.35 ± 0.07 |
0.10 ± 0.02 |
| RH9 |
48.7 ± 5.2 |
23.5 ± 0.5 |
51.3 ± 2.6 |
88.3 ± 3.8 |
2.07 ± 0.22 |
0.55 ± 0.04 |
| RH10 |
48.7 ± 5.2 |
23.5 ± 0.5 |
51.3 ± 2.6 |
88.3 ± 3.8 |
2.07 ± 0.22 |
0.55 ± 0.04 |
| Average |
55.2 |
15.9 |
34.3 |
89.2 |
13.4 |
0.6 |
| Median |
77.4 |
23.5 |
51.3 |
91.1 |
11.2 |
0.8 |
| Deviation |
31.3 |
12.5 |
26.4 |
2.5 |
19.9 |
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)
| 
