Database: Wind Shock Analysis
Event ID: 19983621820
Observation time: 12/28/1998 362.76408 1820 [UT]
|
|
General
Information (About, Top)
| Year |
1998 |
| Fractional day of year |
362.764080 |
| Arrival time of shock [seconds of day] |
66016.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
45.099 |
| Y GSE location of spacecraft [Re] |
-36.822 |
| Z GSE location of spacecraft [Re] |
-28.327 |
| Upstream plasma points selected for analysis |
0011 |
| Upstream field points selected for analysis |
0338 |
| Downstream plasma points selected for analysis |
0010
|
| Downstream field points selected for analysis |
0301 |
| Minimum chisq/dof for RH8,RH9,RH10 |
5.31, 7.08, 7.21 |
Event added to database
|
Mon Feb 14 11:07:31 2005
|
Event last processed
|
Mon Mar 30 18:25:42 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
8.274 ± 0.961
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-361.5 ± 11.7 |
-408.5 ± 8.6 |
| Vy GSE [km/s] |
-29.0 ± 8.1 |
-37.4 ± 6.5 |
| Vz GSE [km/s] |
8.7 ± 11.0 |
23.0 ± 4.7 |
| Wi [km/s] |
36.0 ± 7.9 |
43.2 ± 10.4 |
| We [km/s] |
1137.0 ± 248.7 |
1365.6 ± 327.9 |
| Ni [n/cc] |
6.9 ± 0.9 |
12.1 ± 1.0 |
| Bx GSE [nT] |
-3.7 ± 1.7 |
-2.9 ± 2.1 |
| By GSE [nT] |
4.1 ± 0.6 |
4.0 ± 1.5 |
| Bz GSE [nT] |
-4.1 ± 1.5 |
-11.1 ± 1.4 |
Plasma Beta
|
0.410 ± 0.433
|
0.331 ± 0.323
|
Sound Speed [km/s]
|
46.42 ± 10.16
|
55.75 ± 13.39
|
Alfven Speed [km/s]
|
60.48 ± 6.93
|
78.10 ± 5.82
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.882 ± 0.338 |
0.462 ± 0.645 |
-0.090 ± 0.090 |
-5.17 ± 18.34 |
152.37 ± 41.86 |
| VC |
-0.932 ± 0.087 |
-0.218 ± 0.255 |
0.289 ± 0.280 |
16.77 ± 12.85 |
193.14 ± 15.61 |
| MX1 |
-0.983 ± 0.083 |
0.163 ± 0.476 |
-0.087 ± 0.087 |
-4.98 ± 17.37 |
170.56 ± 27.78 |
| MX2 |
-0.992 ± 0.037 |
-0.091 ± 0.295 |
-0.086 ± 0.085 |
-4.91 ± 17.08 |
185.26 ± 17.02 |
| MX3 |
-0.967 ± 0.058 |
-0.244 ± 0.215 |
-0.076 ± 0.076 |
-4.38 ± 16.36 |
194.17 ± 12.74 |
| RH08 |
-0.986 ± 0.002 |
-0.130 ± 0.009 |
-0.106 ± 0.106 |
-6.09 ± 0.77 |
187.52 ± 0.54 |
| RH09 |
-0.982 ± 0.013 |
-0.147 ± 0.070 |
-0.117 ± 0.117 |
-6.74 ± 4.01 |
188.52 ± 4.07 |
| RH10 |
-0.986 ± 0.012 |
-0.130 ± 0.069 |
-0.106 ± 0.106 |
-6.09 ± 4.02 |
187.52 ± 4.03 |
| Average |
-0.964 |
-0.042 |
-0.047 |
-2.699 |
182.384 |
| Median |
-0.982 |
-0.130 |
-0.087 |
-4.983 |
187.521 |
| Deviation |
0.038 |
0.238 |
0.136 |
7.905 |
14.115 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
38.0 ± 17.1 |
386.7 ± 34.2 |
1.77 ± 0.27 |
| VC |
79.5 ± 15.1 |
460.9 ± 27.7 |
1.77 ± 0.27 |
| MX1 |
49.1 ± 15.1 |
449.5 ± 33.4 |
1.77 ± 0.27 |
| MX2 |
59.7 ± 13.4 |
466.6 ± 30.8 |
1.77 ± 0.27 |
| MX3 |
66.7 ± 12.4 |
463.8 ± 28.4 |
1.77 ± 0.27 |
| RH08 |
60.7 ± 12.9 |
465.2 ± 30.2 |
1.77 ± 0.27 |
| RH09 |
61.0 ± 12.7 |
464.0 ± 30.0 |
1.77 ± 0.27 |
| RH10 |
60.7 ± 12.9 |
465.2 ± 30.2 |
1.77 ± 0.27 |
| Average |
59.4 |
452.7 |
1.77 |
| Median |
60.7 |
464.0 |
1.77 |
| Deviation |
12.1 |
27.2 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
81.9 ± 13.2 |
30.7 ± 4.3 |
47.7 ± 5.5 |
70.6 ± 2.4 |
2.76 ± 0.82 |
1.16 ± 0.19 |
| VC |
115.0 ± 10.1 |
6.5 ± 0.8 |
11.0 ± 1.3 |
76.8 ± 2.4 |
18.06 ± 3.39 |
1.50 ± 0.16 |
| MX1 |
99.7 ± 12.5 |
24.7 ± 3.2 |
39.6 ± 4.5 |
73.0 ± 2.3 |
4.16 ± 1.05 |
1.37 ± 0.18 |
| MX2 |
106.1 ± 11.1 |
18.5 ± 2.3 |
30.5 ± 3.5 |
74.8 ± 2.3 |
5.87 ± 1.32 |
1.42 ± 0.17 |
| MX3 |
107.9 ± 10.0 |
14.3 ± 1.8 |
23.9 ± 2.7 |
75.7 ± 2.3 |
7.71 ± 1.62 |
1.43 ± 0.15 |
| RH8 |
105.9 ± 10.9 |
18.0 ± 2.2 |
29.6 ± 3.4 |
75.0 ± 2.3 |
6.05 ± 1.35 |
1.42 ± 0.16 |
| RH9 |
105.8 ± 10.7 |
17.7 ± 2.2 |
29.3 ± 3.4 |
75.0 ± 2.3 |
6.11 ± 1.36 |
1.41 ± 0.16 |
| RH10 |
105.9 ± 10.9 |
18.0 ± 2.2 |
29.6 ± 3.4 |
75.0 ± 2.3 |
6.05 ± 1.35 |
1.42 ± 0.16 |
| Average |
103.5 |
18.6 |
30.2 |
74.5 |
7.1 |
1.4 |
| Median |
105.9 |
18.0 |
29.6 |
75.0 |
6.0 |
1.4 |
| Deviation |
9.7 |
7.1 |
10.7 |
1.9 |
4.7 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
45.6 ± 10.6 |
38.3 ± 7.7 |
61.6 ± 4.6 |
88.6 ± 5.8 |
1.26 ± 0.45 |
0.52 ± 0.15 |
| VC |
65.3 ± 5.9 |
8.1 ± 1.5 |
14.2 ± 1.1 |
96.3 ± 7.4 |
8.45 ± 2.36 |
0.68 ± 0.10 |
| MX1 |
56.2 ± 9.7 |
30.7 ± 5.9 |
51.1 ± 3.8 |
91.6 ± 6.4 |
1.93 ± 0.61 |
0.62 ± 0.14 |
| MX2 |
60.0 ± 8.4 |
23.1 ± 4.4 |
39.4 ± 2.9 |
93.8 ± 6.8 |
2.73 ± 0.80 |
0.65 ± 0.12 |
| MX3 |
61.6 ± 7.3 |
17.9 ± 3.3 |
30.9 ± 2.3 |
95.0 ± 7.1 |
3.61 ± 1.02 |
0.65 ± 0.11 |
| RH8 |
60.1 ± 8.2 |
22.4 ± 4.2 |
38.3 ± 2.9 |
94.0 ± 6.9 |
2.82 ± 0.82 |
0.65 ± 0.12 |
| RH9 |
60.1 ± 8.1 |
22.1 ± 4.2 |
37.8 ± 2.8 |
94.1 ± 6.9 |
2.85 ± 0.83 |
0.65 ± 0.12 |
| RH10 |
60.1 ± 8.2 |
22.4 ± 4.2 |
38.3 ± 2.9 |
94.0 ± 6.9 |
2.82 ± 0.82 |
0.65 ± 0.12 |
| Average |
58.6 |
23.1 |
38.9 |
93.4 |
3.3 |
0.6 |
| Median |
60.1 |
22.4 |
38.3 |
94.0 |
2.8 |
0.6 |
| Deviation |
5.8 |
8.8 |
13.8 |
2.4 |
2.2 |
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)
| 
