Database: Wind Shock Analysis
Event ID: 20072911836
Observation time: 10/18/2007 291.77543 1836 [UT]
|
|
General
Information (About, Top)
| Year |
2007 |
| Fractional day of year |
291.775434 |
| Arrival time of shock [seconds of day] |
66997.5 ± 40.0 |
| Shock type |
SF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
204.550 |
| Y GSE location of spacecraft [Re] |
80.390 |
| Z GSE location of spacecraft [Re] |
-7.990 |
| Upstream plasma points selected for analysis |
0006 |
| Upstream field points selected for analysis |
0213 |
| Downstream plasma points selected for analysis |
0006
|
| Downstream field points selected for analysis |
0206 |
| Minimum chisq/dof for RH8,RH9,RH10 |
7.57, 7.92, 9.41 |
Event added to database
|
Thu Sep 26 11:17:54 2013
|
Event last processed
|
Thu Sep 26 12:25:28 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
4.791 ± 4.932
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-453.4 ± 10.2 |
-509.0 ± 6.2 |
| Vy GSE [km/s] |
-5.3 ± 4.8 |
23.8 ± 2.6 |
| Vz GSE [km/s] |
2.0 ± 9.7 |
-28.9 ± 8.9 |
| Wi [km/s] |
47.4 ± 5.6 |
59.9 ± 3.8 |
| We [km/s] |
1499.9 ± 176.3 |
1892.7 ± 120.5 |
| Ni [n/cc] |
5.9 ± 1.0 |
7.3 ± 0.5 |
| Bx GSE [nT] |
8.9 ± 0.8 |
-2.0 ± 0.8 |
| By GSE [nT] |
-7.3 ± 0.8 |
-4.6 ± 0.8 |
| Bz GSE [nT] |
0.6 ± 1.0 |
-9.1 ± 0.3 |
Plasma Beta
|
0.216 ± 0.200
|
0.515 ± 0.539
|
Sound Speed [km/s]
|
61.23 ± 7.20
|
77.27 ± 4.92
|
Alfven Speed [km/s]
|
105.43 ± 8.91
|
83.84 ± 3.33
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.350 ± 0.062 |
0.721 ± 0.048 |
0.598 ± 0.514 |
36.73 ± 4.07 |
115.89 ± 4.67 |
| VC |
-0.792 ± 0.088 |
0.430 ± 0.117 |
-0.433 ± 0.404 |
-25.69 ± 9.49 |
151.49 ± 8.09 |
| MX1 |
-0.375 ± 0.081 |
0.701 ± 0.063 |
0.607 ± 0.518 |
37.38 ± 5.12 |
118.16 ± 6.26 |
| MX2 |
-0.339 ± 0.097 |
0.734 ± 0.063 |
0.588 ± 0.509 |
36.03 ± 4.95 |
114.75 ± 7.34 |
| MX3 |
-0.550 ± 0.534 |
0.666 ± 0.447 |
0.504 ± 0.457 |
30.29 ± 14.79 |
129.54 ± 45.37 |
| RH08 |
-0.314 ± 0.027 |
0.728 ± 0.022 |
0.609 ± 0.519 |
37.51 ± 2.00 |
113.31 ± 2.00 |
| RH09 |
-0.314 ± 0.021 |
0.728 ± 0.011 |
0.609 ± 0.519 |
37.51 ± 0.64 |
113.31 ± 1.64 |
| RH10 |
-0.314 ± 0.039 |
0.728 ± 0.022 |
0.609 ± 0.519 |
37.51 ± 1.47 |
113.31 ± 3.04 |
| Average |
-0.418 |
0.680 |
0.461 |
28.411 |
121.222 |
| Median |
-0.339 |
0.728 |
0.607 |
37.376 |
115.888 |
| Deviation |
0.170 |
0.103 |
0.363 |
21.994 |
13.378 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
46.2 ± 3.4 |
254.1 ± 74.1 |
1.27 ± 0.17 |
| VC |
25.6 ± 3.4 |
631.2 ± 590.3 |
1.27 ± 0.17 |
| MX1 |
45.7 ± 3.5 |
267.9 ± 72.1 |
1.27 ± 0.17 |
| MX2 |
46.2 ± 3.4 |
248.4 ± 78.8 |
1.27 ± 0.17 |
| MX3 |
35.3 ± 3.8 |
379.6 ± 163.4 |
1.27 ± 0.17 |
| RH08 |
48.1 ± 3.4 |
229.9 ± 60.1 |
1.27 ± 0.17 |
| RH09 |
48.1 ± 3.4 |
229.9 ± 60.1 |
1.27 ± 0.17 |
| RH10 |
48.1 ± 3.4 |
229.9 ± 355.8 |
1.27 ± 0.17 |
| Average |
42.9 |
308.9 |
1.27 |
| Median |
46.2 |
254.1 |
1.27 |
| Deviation |
8.2 |
139.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
98.1 ± 5.6 |
38.3 ± 2.8 |
72.9 ± 6.2 |
116.1 ± 5.2 |
2.58 ± 0.28 |
0.85 ± 0.05 |
| VC |
275.2 ± 6.3 |
52.6 ± 4.8 |
95.1 ± 8.0 |
110.2 ± 6.8 |
5.27 ± 0.57 |
2.50 ± 0.11 |
| MX1 |
100.4 ± 5.9 |
38.6 ± 2.9 |
73.6 ± 6.2 |
116.0 ± 5.2 |
2.61 ± 0.29 |
0.87 ± 0.05 |
| MX2 |
97.6 ± 5.4 |
38.3 ± 2.8 |
73.0 ± 6.2 |
116.1 ± 5.2 |
2.57 ± 0.27 |
0.84 ± 0.05 |
| MX3 |
132.9 ± 6.6 |
46.4 ± 3.8 |
86.0 ± 7.3 |
113.1 ± 5.9 |
2.89 ± 0.34 |
1.18 ± 0.06 |
| RH8 |
90.2 ± 5.5 |
36.8 ± 2.7 |
70.5 ± 6.0 |
116.6 ± 5.1 |
2.47 ± 0.27 |
0.77 ± 0.05 |
| RH9 |
90.2 ± 5.5 |
36.8 ± 2.7 |
70.5 ± 6.0 |
116.6 ± 5.1 |
2.47 ± 0.27 |
0.77 ± 0.05 |
| RH10 |
90.2 ± 5.5 |
36.8 ± 2.7 |
70.5 ± 6.0 |
116.6 ± 5.1 |
2.47 ± 0.27 |
0.77 ± 0.05 |
| Average |
121.9 |
40.6 |
76.5 |
115.1 |
2.9 |
1.1 |
| Median |
98.1 |
38.3 |
73.0 |
116.1 |
2.6 |
0.8 |
| Deviation |
63.5 |
5.8 |
9.1 |
2.3 |
1.0 |
0.6 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
76.1 ± 5.3 |
42.2 ± 1.2 |
58.0 ± 2.3 |
106.0 ± 2.7 |
1.80 ± 0.12 |
0.72 ± 0.05 |
| VC |
205.3 ± 7.8 |
60.1 ± 1.9 |
75.6 ± 3.0 |
97.0 ± 2.6 |
3.42 ± 0.14 |
2.12 ± 0.07 |
| MX1 |
77.9 ± 5.3 |
42.6 ± 1.3 |
58.5 ± 2.3 |
105.8 ± 2.7 |
1.83 ± 0.12 |
0.74 ± 0.05 |
| MX2 |
75.6 ± 5.3 |
42.2 ± 1.2 |
58.0 ± 2.3 |
106.0 ± 2.7 |
1.79 ± 0.12 |
0.71 ± 0.05 |
| MX3 |
98.5 ± 4.6 |
51.9 ± 1.6 |
68.4 ± 2.7 |
101.6 ± 2.6 |
1.90 ± 0.08 |
0.97 ± 0.04 |
| RH8 |
70.4 ± 5.5 |
40.5 ± 1.2 |
56.0 ± 2.2 |
106.7 ± 2.8 |
1.74 ± 0.13 |
0.66 ± 0.05 |
| RH9 |
70.4 ± 5.5 |
40.5 ± 1.2 |
56.0 ± 2.2 |
106.7 ± 2.8 |
1.74 ± 0.13 |
0.66 ± 0.05 |
| RH10 |
70.4 ± 5.5 |
40.5 ± 1.2 |
56.0 ± 2.2 |
106.7 ± 2.8 |
1.74 ± 0.13 |
0.66 ± 0.05 |
| Average |
93.1 |
45.1 |
60.8 |
104.6 |
2.0 |
0.9 |
| Median |
76.1 |
42.2 |
58.0 |
106.0 |
1.8 |
0.7 |
| Deviation |
46.3 |
7.2 |
7.2 |
3.5 |
0.6 |
0.5 |
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)
| 
