Database: Wind Shock Analysis
Event ID: 19972971118
Observation time: 10/24/1997 297.47092 1118 [UT]
|
|
General
Information (About, Top)
| Year |
1997 |
| Fractional day of year |
297.470920 |
| Arrival time of shock [seconds of day] |
40687.5 ± 6.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
9.791 |
| Y GSE location of spacecraft [Re] |
-50.989 |
| Z GSE location of spacecraft [Re] |
-4.494 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0284 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0237 |
| Minimum chisq/dof for RH8,RH9,RH10 |
9.70, 12.80, 13.05 |
Event added to database
|
Mon Feb 14 11:05:05 2005
|
Event last processed
|
Mon Mar 30 17:09:56 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
-0.917 ± 0.142
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-382.1 ± 2.8 |
-447.7 ± 3.4 |
| Vy GSE [km/s] |
-20.0 ± 2.0 |
-34.7 ± 5.6 |
| Vz GSE [km/s] |
-6.4 ± 1.2 |
6.9 ± 5.5 |
| Wi [km/s] |
24.5 ± 1.5 |
34.8 ± 1.7 |
| We [km/s] |
776.0 ± 46.5 |
1100.3 ± 53.0 |
| Ni [n/cc] |
11.0 ± 0.7 |
26.7 ± 3.7 |
| Bx GSE [nT] |
-1.2 ± 0.8 |
1.6 ± 1.1 |
| By GSE [nT] |
-8.4 ± 0.3 |
-12.6 ± 1.1 |
| Bz GSE [nT] |
-3.4 ± 0.9 |
-13.4 ± 1.1 |
Plasma Beta
|
0.163 ± 0.159
|
0.205 ± 0.180
|
Sound Speed [km/s]
|
31.68 ± 1.90
|
44.92 ± 2.16
|
Alfven Speed [km/s]
|
61.04 ± 1.87
|
78.79 ± 8.20
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.385 ± 0.215 |
-0.896 ± 0.095 |
0.221 ± 0.217 |
12.77 ± 6.28 |
246.77 ± 13.74 |
| VC |
-0.957 ± 0.024 |
-0.215 ± 0.082 |
0.196 ± 0.193 |
11.29 ± 4.79 |
192.64 ± 4.93 |
| MX1 |
-0.827 ± 0.042 |
-0.562 ± 0.061 |
-0.003 ± 0.003 |
-0.16 ± 3.58 |
214.23 ± 4.25 |
| MX2 |
-0.894 ± 0.041 |
-0.444 ± 0.082 |
-0.062 ± 0.062 |
-3.57 ± 3.18 |
206.43 ± 5.23 |
| MX3 |
-0.925 ± 0.041 |
-0.365 ± 0.103 |
-0.101 ± 0.101 |
-5.79 ± 3.38 |
201.55 ± 6.36 |
| RH08 |
-0.963 ± 0.004 |
-0.268 ± 0.013 |
-0.017 ± 0.017 |
-0.96 ± 0.72 |
195.54 ± 0.78 |
| RH09 |
-0.963 ± 0.018 |
-0.268 ± 0.066 |
-0.028 ± 0.028 |
-1.60 ± 4.06 |
195.54 ± 3.91 |
| RH10 |
-0.963 ± 0.018 |
-0.268 ± 0.066 |
-0.028 ± 0.028 |
-1.60 ± 4.06 |
195.54 ± 3.91 |
| Average |
-0.860 |
-0.411 |
0.022 |
1.297 |
206.031 |
| Median |
-0.925 |
-0.268 |
-0.017 |
-0.960 |
201.547 |
| Deviation |
0.198 |
0.227 |
0.119 |
6.860 |
17.953 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
38.3 ± 3.3 |
233.3 ± 9.4 |
2.47 ± 0.45 |
| VC |
76.0 ± 3.5 |
489.8 ± 12.9 |
2.47 ± 0.45 |
| MX1 |
51.9 ± 3.5 |
435.8 ± 12.4 |
2.47 ± 0.45 |
| MX2 |
57.4 ± 4.3 |
463.5 ± 12.8 |
2.47 ± 0.45 |
| MX3 |
60.9 ± 4.7 |
475.0 ± 12.9 |
2.47 ± 0.45 |
| RH08 |
68.3 ± 4.5 |
490.9 ± 13.0 |
2.47 ± 0.45 |
| RH09 |
68.0 ± 4.6 |
490.7 ± 13.0 |
2.47 ± 0.45 |
| RH10 |
68.0 ± 4.6 |
490.7 ± 13.0 |
2.47 ± 0.45 |
| Average |
61.1 |
446.2 |
2.47 |
| Median |
68.0 |
489.8 |
2.47 |
| Deviation |
11.9 |
88.2 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
69.8 ± 1.3 |
23.4 ± 1.2 |
47.9 ± 1.5 |
64.7 ± 1.5 |
2.99 ± 0.15 |
1.08 ± 0.04 |
| VC |
121.2 ± 2.5 |
6.8 ± 0.3 |
14.7 ± 0.5 |
68.5 ± 1.4 |
17.82 ± 0.99 |
1.77 ± 0.06 |
| MX1 |
108.6 ± 1.8 |
17.9 ± 0.9 |
37.7 ± 1.2 |
66.4 ± 1.5 |
6.07 ± 0.33 |
1.64 ± 0.05 |
| MX2 |
112.7 ± 2.1 |
15.6 ± 0.7 |
32.9 ± 1.0 |
67.0 ± 1.5 |
7.26 ± 0.39 |
1.68 ± 0.06 |
| MX3 |
113.5 ± 2.2 |
13.9 ± 0.6 |
29.7 ± 0.9 |
67.4 ± 1.4 |
8.16 ± 0.45 |
1.69 ± 0.06 |
| RH8 |
117.4 ± 2.4 |
10.5 ± 0.5 |
22.6 ± 0.7 |
68.0 ± 1.4 |
11.19 ± 0.62 |
1.73 ± 0.06 |
| RH9 |
117.3 ± 2.4 |
10.6 ± 0.5 |
22.8 ± 0.7 |
68.0 ± 1.4 |
11.05 ± 0.61 |
1.73 ± 0.06 |
| RH10 |
117.3 ± 2.4 |
10.6 ± 0.5 |
22.8 ± 0.7 |
68.0 ± 1.4 |
11.05 ± 0.61 |
1.73 ± 0.06 |
| Average |
109.7 |
13.7 |
28.9 |
67.2 |
9.4 |
1.6 |
| Median |
117.3 |
13.9 |
29.7 |
68.0 |
11.1 |
1.7 |
| Deviation |
16.6 |
5.2 |
10.5 |
1.2 |
4.4 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
28.4 ± 4.2 |
32.7 ± 1.0 |
61.8 ± 6.4 |
84.7 ± 6.8 |
0.87 ± 0.15 |
0.34 ± 0.05 |
| VC |
52.6 ± 2.6 |
9.4 ± 0.2 |
19.0 ± 2.0 |
90.4 ± 6.2 |
5.59 ± 0.42 |
0.59 ± 0.07 |
| MX1 |
46.1 ± 4.0 |
24.9 ± 0.7 |
48.6 ± 5.1 |
87.4 ± 6.5 |
1.85 ± 0.21 |
0.53 ± 0.06 |
| MX2 |
48.3 ± 4.1 |
21.6 ± 0.6 |
42.5 ± 4.4 |
88.2 ± 6.4 |
2.25 ± 0.25 |
0.55 ± 0.07 |
| MX3 |
48.7 ± 4.1 |
19.3 ± 0.5 |
38.3 ± 4.0 |
88.8 ± 6.4 |
2.53 ± 0.28 |
0.55 ± 0.07 |
| RH8 |
50.5 ± 3.6 |
14.6 ± 0.4 |
29.2 ± 3.0 |
89.7 ± 6.3 |
3.47 ± 0.34 |
0.57 ± 0.07 |
| RH9 |
50.4 ± 3.6 |
14.7 ± 0.4 |
29.5 ± 3.1 |
89.6 ± 6.3 |
3.43 ± 0.33 |
0.57 ± 0.07 |
| RH10 |
50.4 ± 3.6 |
14.7 ± 0.4 |
29.5 ± 3.1 |
89.6 ± 6.3 |
3.43 ± 0.33 |
0.57 ± 0.07 |
| Average |
46.9 |
19.0 |
37.3 |
88.6 |
2.9 |
0.5 |
| Median |
50.4 |
19.3 |
38.3 |
89.6 |
3.4 |
0.6 |
| Deviation |
7.7 |
7.3 |
13.5 |
1.8 |
1.4 |
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)
| 
