Database: Wind Shock Analysis
Event ID: 19981491512
Observation time: 05/29/1998 149.63339 1512 [UT]
|
|
General
Information (About, Top)
| Year |
1998 |
| Fractional day of year |
149.633385 |
| Arrival time of shock [seconds of day] |
54724.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
188.800 |
| Y GSE location of spacecraft [Re] |
39.630 |
| Z GSE location of spacecraft [Re] |
24.340 |
| Upstream plasma points selected for analysis |
0010 |
| Upstream field points selected for analysis |
0306 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0227 |
| Minimum chisq/dof for RH8,RH9,RH10 |
7.88, 9.17, 9.34 |
Event added to database
|
Mon Feb 14 11:06:27 2005
|
Event last processed
|
Mon Mar 30 17:47:18 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
28.738 ± 1.238
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-525.8 ± 5.1 |
-606.2 ± 14.7 |
| Vy GSE [km/s] |
-12.9 ± 3.3 |
69.2 ± 18.4 |
| Vz GSE [km/s] |
-6.5 ± 6.6 |
48.5 ± 9.7 |
| Wi [km/s] |
67.6 ± 2.4 |
88.7 ± 2.3 |
| We [km/s] |
2136.3 ± 74.8 |
2804.0 ± 73.4 |
| Ni [n/cc] |
7.7 ± 0.5 |
15.9 ± 0.9 |
| Bx GSE [nT] |
-4.7 ± 0.4 |
-9.9 ± 2.3 |
| By GSE [nT] |
10.6 ± 0.2 |
-8.2 ± 5.3 |
| Bz GSE [nT] |
-0.1 ± 1.0 |
-14.7 ± 2.3 |
Plasma Beta
|
0.551 ± 0.552
|
0.633 ± 0.643
|
Sound Speed [km/s]
|
87.21 ± 3.05
|
114.47 ± 3.00
|
Alfven Speed [km/s]
|
91.29 ± 3.35
|
111.65 ± 3.96
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.691 ± 0.123 |
0.569 ± 0.144 |
-0.445 ± 0.413 |
-26.43 ± 7.54 |
140.51 ± 11.54 |
| VC |
-0.629 ± 0.058 |
0.637 ± 0.058 |
0.446 ± 0.414 |
26.48 ± 8.60 |
134.62 ± 3.09 |
| MX1 |
-0.850 ± 0.356 |
-0.225 ± 0.843 |
0.477 ± 0.437 |
28.50 ± 34.57 |
194.82 ± 56.62 |
| MX2 |
-0.942 ± 0.038 |
0.329 ± 0.107 |
-0.062 ± 0.062 |
-3.58 ± 7.35 |
160.76 ± 6.49 |
| MX3 |
-0.974 ± 0.020 |
0.208 ± 0.078 |
0.092 ± 0.092 |
5.27 ± 7.15 |
167.94 ± 4.56 |
| RH08 |
-1.000 ± 0.000 |
0.026 ± 0.012 |
-0.006 ± 0.006 |
-0.32 ± 0.68 |
178.50 ± 0.71 |
| RH09 |
-0.999 ± 0.003 |
0.044 ± 0.067 |
-0.006 ± 0.006 |
-0.32 ± 3.50 |
177.49 ± 3.83 |
| RH10 |
-0.999 ± 0.003 |
0.044 ± 0.068 |
-0.006 ± 0.006 |
-0.32 ± 3.66 |
177.49 ± 3.91 |
| Average |
-0.885 |
0.204 |
0.061 |
3.661 |
166.516 |
| Median |
-0.942 |
0.208 |
-0.006 |
-0.320 |
177.493 |
| Deviation |
0.149 |
0.294 |
0.294 |
17.509 |
20.404 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
36.6 ± 3.4 |
517.1 ± 42.3 |
2.10 ± 0.14 |
| VC |
33.4 ± 4.4 |
572.5 ± 35.4 |
2.10 ± 0.14 |
| MX1 |
82.1 ± 3.4 |
595.6 ± 19.0 |
2.10 ± 0.14 |
| MX2 |
46.9 ± 2.3 |
696.3 ± 37.2 |
2.10 ± 0.14 |
| MX3 |
54.2 ± 2.6 |
711.6 ± 33.2 |
2.10 ± 0.14 |
| RH08 |
64.5 ± 2.4 |
692.5 ± 29.0 |
2.10 ± 0.14 |
| RH09 |
63.5 ± 2.4 |
694.9 ± 29.5 |
2.10 ± 0.14 |
| RH10 |
63.5 ± 2.4 |
694.9 ± 29.5 |
2.10 ± 0.14 |
| Average |
55.6 |
646.9 |
2.10 |
| Median |
63.5 |
694.9 |
2.10 |
| Deviation |
16.2 |
74.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
158.1 ± 5.4 |
56.5 ± 1.1 |
73.3 ± 2.7 |
113.0 ± 2.2 |
2.80 ± 0.13 |
1.40 ± 0.06 |
| VC |
253.0 ± 5.2 |
59.6 ± 1.1 |
76.2 ± 2.8 |
111.3 ± 2.2 |
4.25 ± 0.14 |
2.27 ± 0.08 |
| MX1 |
149.1 ± 4.5 |
8.7 ± 0.2 |
12.6 ± 0.5 |
126.0 ± 2.4 |
17.12 ± 0.73 |
1.18 ± 0.05 |
| MX2 |
204.6 ± 5.3 |
46.2 ± 0.9 |
62.3 ± 2.3 |
117.6 ± 2.3 |
4.43 ± 0.17 |
1.74 ± 0.07 |
| MX3 |
202.8 ± 5.2 |
38.7 ± 0.7 |
53.4 ± 2.0 |
120.2 ± 2.3 |
5.25 ± 0.20 |
1.69 ± 0.06 |
| RH8 |
167.1 ± 5.2 |
27.8 ± 0.5 |
39.3 ± 1.4 |
123.2 ± 2.4 |
6.02 ± 0.26 |
1.36 ± 0.06 |
| RH9 |
170.2 ± 5.2 |
28.8 ± 0.5 |
40.7 ± 1.5 |
123.0 ± 2.4 |
5.90 ± 0.25 |
1.38 ± 0.06 |
| RH10 |
170.2 ± 5.2 |
28.8 ± 0.5 |
40.7 ± 1.5 |
123.0 ± 2.4 |
5.90 ± 0.25 |
1.38 ± 0.06 |
| Average |
184.4 |
36.9 |
49.8 |
119.7 |
6.5 |
1.6 |
| Median |
170.2 |
38.7 |
53.4 |
123.0 |
5.9 |
1.4 |
| Deviation |
34.0 |
16.9 |
21.0 |
5.3 |
4.4 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
80.3 ± 23.4 |
71.7 ± 1.6 |
89.6 ± 3.2 |
143.0 ± 3.1 |
1.12 ± 0.32 |
0.56 ± 0.16 |
| VC |
125.7 ± 17.9 |
75.7 ± 1.7 |
93.2 ± 3.3 |
140.9 ± 3.1 |
1.66 ± 0.24 |
0.89 ± 0.13 |
| MX1 |
73.0 ± 7.8 |
11.1 ± 0.2 |
15.4 ± 0.5 |
159.6 ± 3.5 |
6.61 ± 0.77 |
0.46 ± 0.05 |
| MX2 |
105.3 ± 20.0 |
58.6 ± 1.3 |
76.2 ± 2.7 |
148.8 ± 3.3 |
1.80 ± 0.34 |
0.71 ± 0.13 |
| MX3 |
102.4 ± 17.4 |
49.1 ± 1.1 |
65.3 ± 2.3 |
152.2 ± 3.4 |
2.09 ± 0.35 |
0.67 ± 0.11 |
| RH8 |
84.9 ± 15.2 |
35.2 ± 0.8 |
48.0 ± 1.7 |
156.0 ± 3.4 |
2.41 ± 0.43 |
0.54 ± 0.10 |
| RH9 |
86.5 ± 15.5 |
36.6 ± 0.8 |
49.8 ± 1.8 |
155.7 ± 3.4 |
2.37 ± 0.42 |
0.56 ± 0.10 |
| RH10 |
86.5 ± 15.5 |
36.6 ± 0.8 |
49.8 ± 1.8 |
155.7 ± 3.4 |
2.37 ± 0.42 |
0.56 ± 0.10 |
| Average |
93.1 |
46.8 |
60.9 |
151.5 |
2.6 |
0.6 |
| Median |
86.5 |
49.1 |
65.3 |
155.7 |
2.4 |
0.6 |
| Deviation |
17.0 |
21.4 |
25.6 |
6.7 |
1.7 |
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)
| 
