Database: Wind Shock Analysis
Event ID: 20021400335
Observation time: 05/20/2002 140.14970 0335 [UT]
|
|
General
Information (About, Top)
| Year |
2002 |
| Fractional day of year |
140.149705 |
| Arrival time of shock [seconds of day] |
12934.5 ± 9.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
12.549 |
| Y GSE location of spacecraft [Re] |
318.659 |
| Z GSE location of spacecraft [Re] |
22.280 |
| Upstream plasma points selected for analysis |
0008 |
| Upstream field points selected for analysis |
0282 |
| Downstream plasma points selected for analysis |
0009
|
| Downstream field points selected for analysis |
0289 |
| Minimum chisq/dof for RH8,RH9,RH10 |
6.47, 7.79, 8.09 |
Event added to database
|
Mon Feb 14 11:19:25 2005
|
Event last processed
|
Mon Mar 30 23:08:09 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
6.672 ± 1.942
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-423.9 ± 3.6 |
-476.8 ± 6.1 |
| Vy GSE [km/s] |
30.7 ± 3.4 |
-20.0 ± 7.4 |
| Vz GSE [km/s] |
0.5 ± 2.7 |
14.3 ± 13.1 |
| Wi [km/s] |
34.6 ± 3.6 |
39.0 ± 3.7 |
| We [km/s] |
1093.4 ± 115.0 |
1232.1 ± 116.2 |
| Ni [n/cc] |
3.6 ± 0.2 |
6.4 ± 0.6 |
| Bx GSE [nT] |
-6.9 ± 0.1 |
-6.8 ± 0.9 |
| By GSE [nT] |
2.7 ± 0.5 |
9.5 ± 0.4 |
| Bz GSE [nT] |
0.8 ± 0.2 |
5.9 ± 2.0 |
Plasma Beta
|
0.165 ± 0.177
|
0.121 ± 0.099
|
Sound Speed [km/s]
|
44.64 ± 4.69
|
50.30 ± 4.74
|
Alfven Speed [km/s]
|
85.95 ± 1.94
|
115.07 ± 9.37
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.993 ± 0.012 |
0.086 ± 0.125 |
-0.082 ± 0.081 |
-4.68 ± 4.38 |
175.07 ± 7.22 |
| VC |
-0.711 ± 0.079 |
-0.680 ± 0.083 |
0.182 ± 0.180 |
10.49 ± 9.69 |
223.71 ± 6.43 |
| MX1 |
-0.977 ± 0.026 |
-0.104 ± 0.154 |
0.185 ± 0.183 |
10.65 ± 6.42 |
186.07 ± 9.03 |
| MX2 |
-0.890 ± 0.051 |
-0.257 ± 0.112 |
0.377 ± 0.358 |
22.18 ± 6.16 |
196.14 ± 7.20 |
| MX3 |
-0.800 ± 0.068 |
-0.341 ± 0.101 |
0.493 ± 0.449 |
29.56 ± 6.74 |
203.10 ± 7.07 |
| RH08 |
-0.940 ± 0.006 |
-0.091 ± 0.012 |
0.330 ± 0.317 |
19.25 ± 1.01 |
185.52 ± 0.76 |
| RH09 |
-0.940 ± 0.024 |
-0.091 ± 0.060 |
0.330 ± 0.317 |
19.25 ± 4.06 |
185.52 ± 3.68 |
| RH10 |
-0.944 ± 0.023 |
-0.091 ± 0.065 |
0.318 ± 0.307 |
18.57 ± 4.06 |
185.52 ± 3.93 |
| Average |
-0.899 |
-0.196 |
0.267 |
15.656 |
192.579 |
| Median |
-0.940 |
-0.091 |
0.330 |
19.245 |
186.068 |
| Deviation |
0.097 |
0.233 |
0.173 |
10.249 |
15.078 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
19.8 ± 1.6 |
539.9 ± 24.7 |
1.77 ± 0.16 |
| VC |
64.4 ± 3.6 |
461.0 ± 21.2 |
1.77 ± 0.16 |
| MX1 |
27.5 ± 3.6 |
556.1 ± 21.4 |
1.77 ± 0.16 |
| MX2 |
39.5 ± 3.8 |
527.1 ± 20.0 |
1.77 ± 0.16 |
| MX3 |
47.9 ± 3.8 |
489.0 ± 20.0 |
1.77 ± 0.16 |
| RH08 |
29.2 ± 3.8 |
537.0 ± 19.6 |
1.77 ± 0.16 |
| RH09 |
29.2 ± 3.8 |
537.0 ± 19.6 |
1.77 ± 0.16 |
| RH10 |
29.0 ± 3.8 |
539.0 ± 19.7 |
1.77 ± 0.16 |
| Average |
35.8 |
523.3 |
1.77 |
| Median |
29.2 |
537.0 |
1.77 |
| Deviation |
14.3 |
31.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
116.4 ± 3.7 |
41.1 ± 4.0 |
80.8 ± 1.8 |
87.7 ± 1.5 |
2.85 ± 0.25 |
1.33 ± 0.05 |
| VC |
180.5 ± 1.9 |
17.4 ± 1.4 |
37.2 ± 0.8 |
95.4 ± 1.3 |
10.46 ± 0.80 |
1.89 ± 0.03 |
| MX1 |
144.9 ± 3.5 |
38.2 ± 3.6 |
76.3 ± 1.7 |
89.1 ± 1.3 |
3.82 ± 0.33 |
1.63 ± 0.04 |
| MX2 |
157.7 ± 3.2 |
32.3 ± 2.8 |
66.3 ± 1.5 |
91.4 ± 1.2 |
4.91 ± 0.40 |
1.73 ± 0.03 |
| MX3 |
160.1 ± 3.0 |
27.6 ± 2.3 |
57.6 ± 1.3 |
92.9 ± 1.2 |
5.83 ± 0.47 |
1.72 ± 0.03 |
| RH8 |
141.3 ± 3.7 |
37.4 ± 3.5 |
75.0 ± 1.7 |
89.4 ± 1.3 |
3.80 ± 0.33 |
1.58 ± 0.04 |
| RH9 |
141.3 ± 3.7 |
37.4 ± 3.5 |
75.0 ± 1.7 |
89.4 ± 1.3 |
3.80 ± 0.33 |
1.58 ± 0.04 |
| RH10 |
141.7 ± 3.7 |
37.5 ± 3.5 |
75.2 ± 1.7 |
89.3 ± 1.3 |
3.80 ± 0.33 |
1.59 ± 0.04 |
| Average |
148.0 |
33.6 |
67.9 |
90.6 |
4.9 |
1.6 |
| Median |
144.9 |
37.4 |
75.0 |
89.4 |
3.8 |
1.6 |
| Deviation |
18.6 |
7.8 |
14.4 |
2.5 |
2.4 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
69.3 ± 7.2 |
46.6 ± 4.1 |
108.2 ± 8.8 |
116.7 ± 8.9 |
1.49 ± 0.10 |
0.60 ± 0.09 |
| VC |
105.9 ± 5.6 |
20.1 ± 1.4 |
49.7 ± 4.1 |
124.2 ± 7.3 |
5.30 ± 0.50 |
0.85 ± 0.05 |
| MX1 |
85.3 ± 4.0 |
43.5 ± 3.7 |
102.1 ± 8.3 |
117.9 ± 8.5 |
1.97 ± 0.14 |
0.73 ± 0.07 |
| MX2 |
92.4 ± 3.8 |
37.1 ± 2.9 |
88.7 ± 7.2 |
120.1 ± 8.0 |
2.51 ± 0.23 |
0.77 ± 0.06 |
| MX3 |
93.6 ± 5.2 |
31.8 ± 2.4 |
77.1 ± 6.3 |
121.7 ± 7.7 |
2.96 ± 0.33 |
0.77 ± 0.06 |
| RH8 |
82.3 ± 3.1 |
42.7 ± 3.6 |
100.4 ± 8.2 |
118.2 ± 8.4 |
1.94 ± 0.16 |
0.70 ± 0.06 |
| RH9 |
82.3 ± 3.1 |
42.7 ± 3.6 |
100.4 ± 8.2 |
118.2 ± 8.4 |
1.94 ± 0.16 |
0.70 ± 0.06 |
| RH10 |
82.7 ± 3.1 |
42.8 ± 3.6 |
100.7 ± 8.2 |
118.2 ± 8.5 |
1.94 ± 0.16 |
0.70 ± 0.07 |
| Average |
86.7 |
38.4 |
90.9 |
119.4 |
2.5 |
0.7 |
| Median |
85.3 |
42.7 |
100.4 |
118.2 |
2.0 |
0.7 |
| Deviation |
10.7 |
8.7 |
19.2 |
2.5 |
1.2 |
0.1 |
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)
| 
