Database: Wind Shock Analysis
Event ID: 19980061329
Observation time: 01/06/1998 6.56182 1329 [UT]
|
|
General
Information (About, Top)
| Year |
1998 |
| Fractional day of year |
6.561823 |
| Arrival time of shock [seconds of day] |
48541.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
227.070 |
| Y GSE location of spacecraft [Re] |
20.430 |
| Z GSE location of spacecraft [Re] |
-4.564 |
| Upstream plasma points selected for analysis |
0016 |
| Upstream field points selected for analysis |
0490 |
| Downstream plasma points selected for analysis |
0009
|
| Downstream field points selected for analysis |
0307 |
| Minimum chisq/dof for RH8,RH9,RH10 |
2.40, 3.86, 3.91 |
Event added to database
|
Mon Feb 14 11:05:49 2005
|
Event last processed
|
Mon Mar 30 17:29:10 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
57.121 ± 1.434
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-306.4 ± 2.5 |
-369.2 ± 4.0 |
| Vy GSE [km/s] |
-2.7 ± 3.8 |
38.4 ± 16.9 |
| Vz GSE [km/s] |
10.1 ± 2.8 |
18.2 ± 7.4 |
| Wi [km/s] |
25.3 ± 2.0 |
48.4 ± 3.5 |
| We [km/s] |
799.8 ± 64.5 |
1531.1 ± 111.1 |
| Ni [n/cc] |
9.7 ± 0.4 |
27.2 ± 3.4 |
| Bx GSE [nT] |
-0.6 ± 0.7 |
0.5 ± 2.8 |
| By GSE [nT] |
-6.5 ± 0.2 |
-3.2 ± 8.7 |
| Bz GSE [nT] |
0.3 ± 1.0 |
-5.2 ± 2.0 |
Plasma Beta
|
0.301 ± 0.304
|
1.271 ± 1.123
|
Sound Speed [km/s]
|
32.65 ± 2.63
|
62.51 ± 4.54
|
Alfven Speed [km/s]
|
46.14 ± 0.79
|
45.22 ± 7.32
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.852 ± 0.516 |
0.433 ± 0.972 |
0.293 ± 0.284 |
17.03 ± 33.89 |
153.06 ± 65.12 |
| VC |
-0.841 ± 0.103 |
0.530 ± 0.163 |
0.108 ± 0.108 |
6.20 ± 6.14 |
147.80 ± 11.11 |
| MX1 |
-0.953 ± 0.133 |
0.280 ± 0.451 |
0.114 ± 0.113 |
6.54 ± 7.74 |
163.63 ± 27.09 |
| MX2 |
-0.928 ± 0.060 |
0.339 ± 0.148 |
0.155 ± 0.154 |
8.93 ± 10.57 |
159.93 ± 9.11 |
| MX3 |
-0.921 ± 0.049 |
0.371 ± 0.113 |
0.115 ± 0.114 |
6.60 ± 10.18 |
158.07 ± 7.02 |
| RH08 |
-0.971 ± 0.004 |
0.234 ± 0.017 |
0.039 ± 0.039 |
2.24 ± 0.76 |
166.46 ± 1.01 |
| RH09 |
-0.996 ± 0.006 |
0.079 ± 0.068 |
0.039 ± 0.039 |
2.24 ± 4.06 |
175.49 ± 3.91 |
| RH10 |
-0.996 ± 0.006 |
0.079 ± 0.068 |
0.039 ± 0.039 |
2.24 ± 4.06 |
175.49 ± 3.91 |
| Average |
-0.932 |
0.293 |
0.113 |
6.503 |
162.491 |
| Median |
-0.928 |
0.339 |
0.114 |
6.543 |
163.634 |
| Deviation |
0.060 |
0.160 |
0.085 |
4.946 |
9.898 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
70.6 ± 8.1 |
378.6 ± 11.1 |
2.83 ± 0.33 |
| VC |
64.2 ± 6.8 |
375.0 ± 12.9 |
2.83 ± 0.33 |
| MX1 |
79.7 ± 6.8 |
405.6 ± 10.0 |
2.83 ± 0.33 |
| MX2 |
76.3 ± 7.1 |
399.4 ± 10.3 |
2.83 ± 0.33 |
| MX3 |
74.3 ± 6.8 |
397.4 ± 10.7 |
2.83 ± 0.33 |
| RH08 |
82.3 ± 6.2 |
408.4 ± 10.0 |
2.83 ± 0.33 |
| RH09 |
88.8 ± 6.2 |
407.1 ± 10.4 |
2.83 ± 0.33 |
| RH10 |
88.8 ± 6.2 |
407.1 ± 10.4 |
2.83 ± 0.33 |
| Average |
78.1 |
397.3 |
2.83 |
| Median |
79.7 |
405.6 |
2.83 |
| Deviation |
8.6 |
13.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
115.6 ± 3.3 |
9.0 ± 0.5 |
15.3 ± 0.3 |
55.8 ± 2.0 |
12.94 ± 0.57 |
2.07 ± 0.05 |
| VC |
117.6 ± 3.0 |
11.9 ± 0.7 |
20.1 ± 0.3 |
55.3 ± 1.9 |
9.94 ± 0.48 |
2.13 ± 0.06 |
| MX1 |
113.1 ± 2.8 |
4.8 ± 0.3 |
8.2 ± 0.1 |
56.4 ± 2.0 |
23.79 ± 1.05 |
2.01 ± 0.05 |
| MX2 |
114.5 ± 2.9 |
6.4 ± 0.4 |
11.0 ± 0.2 |
56.2 ± 2.0 |
18.05 ± 0.80 |
2.04 ± 0.05 |
| MX3 |
114.9 ± 2.9 |
7.3 ± 0.4 |
12.5 ± 0.2 |
56.1 ± 2.0 |
15.82 ± 0.71 |
2.05 ± 0.05 |
| RH8 |
111.0 ± 2.6 |
3.6 ± 0.2 |
6.2 ± 0.1 |
56.4 ± 2.0 |
31.01 ± 1.38 |
1.97 ± 0.05 |
| RH9 |
101.7 ± 2.5 |
0.6 ± 0.0 |
1.0 ± 0.0 |
56.6 ± 2.0 |
184.33 ± 7.91 |
1.80 ± 0.04 |
| RH10 |
101.7 ± 2.5 |
0.6 ± 0.0 |
1.0 ± 0.0 |
56.6 ± 2.0 |
184.33 ± 7.91 |
1.80 ± 0.04 |
| Average |
111.3 |
5.5 |
9.4 |
56.2 |
60.0 |
2.0 |
| Median |
114.5 |
6.4 |
11.0 |
56.4 |
23.8 |
2.0 |
| Deviation |
6.2 |
4.0 |
6.7 |
0.4 |
77.0 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
41.9 ± 4.9 |
12.2 ± 1.2 |
15.0 ± 2.4 |
76.5 ± 3.7 |
3.47 ± 0.49 |
0.55 ± 0.06 |
| VC |
42.1 ± 6.8 |
16.1 ± 1.6 |
19.7 ± 3.2 |
75.8 ± 3.6 |
2.63 ± 0.45 |
0.55 ± 0.08 |
| MX1 |
40.8 ± 3.0 |
6.5 ± 0.6 |
8.1 ± 1.3 |
77.2 ± 3.7 |
6.35 ± 0.71 |
0.53 ± 0.04 |
| MX2 |
41.0 ± 3.6 |
8.6 ± 0.8 |
10.7 ± 1.7 |
77.0 ± 3.7 |
4.78 ± 0.58 |
0.53 ± 0.04 |
| MX3 |
40.8 ± 4.2 |
9.9 ± 0.9 |
12.3 ± 2.0 |
76.9 ± 3.7 |
4.16 ± 0.53 |
0.53 ± 0.05 |
| RH8 |
40.0 ± 2.9 |
4.9 ± 0.5 |
6.1 ± 1.0 |
77.3 ± 3.7 |
8.27 ± 0.93 |
0.52 ± 0.04 |
| RH9 |
35.6 ± 3.1 |
0.8 ± 0.1 |
0.9 ± 0.2 |
77.5 ± 3.7 |
47.75 ± 6.17 |
0.46 ± 0.05 |
| RH10 |
35.6 ± 3.1 |
0.8 ± 0.1 |
0.9 ± 0.2 |
77.5 ± 3.7 |
47.75 ± 6.17 |
0.46 ± 0.05 |
| Average |
39.7 |
7.5 |
9.2 |
77.0 |
15.6 |
0.5 |
| Median |
40.8 |
8.6 |
10.7 |
77.2 |
6.3 |
0.5 |
| Deviation |
2.6 |
5.4 |
6.6 |
0.6 |
19.9 |
0.0 |
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)
| 
