Database: Wind Shock Analysis
Event ID: 20041031827
Observation time: 04/12/2004 103.76932 1827 [UT]
|
|
General
Information (About, Top)
| Year |
2004 |
| Fractional day of year |
103.769317 |
| Arrival time of shock [seconds of day] |
66469.0 ± 60.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
-72.973 |
| Y GSE location of spacecraft [Re] |
102.064 |
| Z GSE location of spacecraft [Re] |
10.557 |
| Upstream plasma points selected for analysis |
0008 |
| Upstream field points selected for analysis |
0260 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0260 |
| Minimum chisq/dof for RH8,RH9,RH10 |
7.44, 9.55, 9.80 |
Event added to database
|
Thu Jun 24 11:35:38 2010
|
Event last processed
|
Thu Jun 24 11:48:19 2010
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
-14.161 ± 0.996
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-422.7 ± 5.7 |
-478.4 ± 23.5 |
| Vy GSE [km/s] |
4.9 ± 6.7 |
-22.8 ± 11.1 |
| Vz GSE [km/s] |
4.8 ± 7.8 |
51.8 ± 11.9 |
| Wi [km/s] |
39.4 ± 2.0 |
49.0 ± 4.3 |
| We [km/s] |
1245.2 ± 64.1 |
1550.6 ± 136.1 |
| Ni [n/cc] |
3.2 ± 0.2 |
6.2 ± 1.1 |
| Bx GSE [nT] |
2.7 ± 0.6 |
6.0 ± 3.3 |
| By GSE [nT] |
-2.5 ± 0.7 |
-7.2 ± 2.6 |
| Bz GSE [nT] |
2.0 ± 1.4 |
-0.1 ± 2.4 |
Plasma Beta
|
0.519 ± 0.543
|
0.316 ± 0.293
|
Sound Speed [km/s]
|
50.84 ± 2.62
|
63.30 ± 5.55
|
Alfven Speed [km/s]
|
54.82 ± 1.64
|
92.01 ± 15.97
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.974 ± 0.245 |
-0.222 ± 1.055 |
-0.052 ± 0.052 |
-3.01 ± 50.72 |
192.86 ± 62.11 |
| VC |
-0.701 ± 0.152 |
-0.355 ± 0.156 |
0.619 ± 0.524 |
38.21 ± 13.97 |
206.87 ± 11.43 |
| MX1 |
-0.692 ± 0.507 |
-0.519 ± 0.623 |
0.502 ± 0.455 |
30.12 ± 33.89 |
216.88 ± 49.48 |
| MX2 |
-0.566 ± 0.359 |
-0.534 ± 0.375 |
0.628 ± 0.528 |
38.90 ± 17.42 |
223.32 ± 35.58 |
| MX3 |
-0.578 ± 0.338 |
-0.524 ± 0.361 |
0.626 ± 0.527 |
38.74 ± 17.75 |
222.22 ± 33.40 |
| RH08 |
-0.968 ± 0.006 |
0.025 ± 0.017 |
0.251 ± 0.246 |
14.56 ± 1.34 |
178.50 ± 0.98 |
| RH09 |
-0.992 ± 0.008 |
0.061 ± 0.065 |
0.106 ± 0.106 |
6.09 ± 4.03 |
176.49 ± 3.75 |
| RH10 |
-0.994 ± 0.008 |
0.061 ± 0.066 |
0.095 ± 0.095 |
5.45 ± 4.04 |
176.49 ± 3.81 |
| Average |
-0.808 |
-0.251 |
0.347 |
21.133 |
199.204 |
| Median |
-0.701 |
-0.222 |
0.502 |
30.118 |
206.867 |
| Deviation |
0.192 |
0.270 |
0.279 |
17.306 |
20.645 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
60.4 ± 9.2 |
543.0 ± 32.8 |
1.90 ± 0.39 |
| VC |
87.2 ± 9.5 |
469.9 ± 39.5 |
1.90 ± 0.39 |
| MX1 |
84.5 ± 7.6 |
464.3 ± 38.8 |
1.90 ± 0.39 |
| MX2 |
76.3 ± 8.3 |
409.9 ± 40.8 |
1.90 ± 0.39 |
| MX3 |
77.1 ± 8.4 |
414.9 ± 40.8 |
1.90 ± 0.39 |
| RH08 |
60.2 ± 9.7 |
558.6 ± 30.5 |
1.90 ± 0.39 |
| RH09 |
53.3 ± 9.4 |
545.9 ± 29.5 |
1.90 ± 0.39 |
| RH10 |
52.9 ± 9.3 |
545.3 ± 29.4 |
1.90 ± 0.39 |
| Average |
69.0 |
494.0 |
1.90 |
| Median |
76.3 |
543.0 |
1.90 |
| Deviation |
13.9 |
61.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
132.9 ± 6.4 |
19.0 ± 0.6 |
27.1 ± 0.8 |
72.3 ± 1.9 |
6.98 ± 0.29 |
1.84 ± 0.08 |
| VC |
172.4 ± 6.3 |
1.8 ± 0.1 |
2.7 ± 0.1 |
74.8 ± 2.0 |
94.26 ± 3.60 |
2.31 ± 0.08 |
| MX1 |
172.0 ± 6.2 |
3.6 ± 0.1 |
5.2 ± 0.2 |
74.7 ± 2.0 |
48.44 ± 1.63 |
2.30 ± 0.07 |
| MX2 |
170.2 ± 6.0 |
8.9 ± 0.3 |
13.0 ± 0.4 |
74.3 ± 2.0 |
19.12 ± 0.67 |
2.29 ± 0.08 |
| MX3 |
170.3 ± 6.1 |
8.4 ± 0.3 |
12.3 ± 0.4 |
74.3 ± 2.0 |
20.31 ± 0.72 |
2.29 ± 0.08 |
| RH8 |
148.3 ± 5.9 |
19.1 ± 0.6 |
27.2 ± 0.8 |
72.3 ± 1.9 |
7.75 ± 0.32 |
2.05 ± 0.08 |
| RH9 |
125.6 ± 5.6 |
23.4 ± 0.7 |
32.7 ± 1.0 |
71.0 ± 1.9 |
5.37 ± 0.24 |
1.77 ± 0.08 |
| RH10 |
124.6 ± 5.6 |
23.7 ± 0.7 |
33.1 ± 1.0 |
71.0 ± 1.9 |
5.27 ± 0.23 |
1.76 ± 0.08 |
| Average |
152.0 |
13.5 |
19.2 |
73.1 |
25.9 |
2.1 |
| Median |
170.2 |
19.0 |
27.1 |
74.3 |
19.1 |
2.3 |
| Deviation |
21.7 |
8.8 |
12.3 |
1.6 |
31.2 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
75.0 ± 24.2 |
26.1 ± 1.4 |
45.5 ± 7.9 |
109.2 ± 11.5 |
2.90 ± 1.02 |
0.69 ± 0.22 |
| VC |
94.5 ± 20.0 |
2.5 ± 0.1 |
4.5 ± 0.8 |
112.3 ± 11.2 |
37.68 ± 8.95 |
0.85 ± 0.20 |
| MX1 |
95.5 ± 20.3 |
4.9 ± 0.2 |
8.8 ± 1.5 |
112.2 ± 11.2 |
19.63 ± 4.72 |
0.86 ± 0.20 |
| MX2 |
94.3 ± 17.9 |
12.3 ± 0.6 |
21.9 ± 3.8 |
111.6 ± 11.3 |
7.74 ± 1.69 |
0.85 ± 0.19 |
| MX3 |
94.2 ± 18.1 |
11.6 ± 0.6 |
20.6 ± 3.6 |
111.7 ± 11.3 |
8.20 ± 1.81 |
0.85 ± 0.19 |
| RH8 |
83.3 ± 23.0 |
26.3 ± 1.4 |
45.7 ± 7.9 |
109.1 ± 11.5 |
3.20 ± 0.97 |
0.76 ± 0.21 |
| RH9 |
67.0 ± 23.1 |
32.0 ± 1.7 |
55.0 ± 9.5 |
107.6 ± 11.7 |
2.11 ± 0.79 |
0.62 ± 0.21 |
| RH10 |
66.5 ± 23.1 |
32.4 ± 1.8 |
55.5 ± 9.6 |
107.5 ± 11.7 |
2.07 ± 0.78 |
0.62 ± 0.21 |
| Average |
83.8 |
18.5 |
32.2 |
110.1 |
10.4 |
0.8 |
| Median |
94.2 |
26.1 |
45.5 |
111.6 |
7.7 |
0.8 |
| Deviation |
12.7 |
12.1 |
20.6 |
2.0 |
12.5 |
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)
| 
