Database: Wind Shock Analysis
Event ID: 20081161827
Observation time: 04/25/2008 116.76939 1827 [UT]
|
|
General
Information (About, Top)
| Year |
2008 |
| Fractional day of year |
116.769392 |
| Arrival time of shock [seconds of day] |
66475.5 ± 30.0 |
| Shock type |
SF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
219.637 |
| Y GSE location of spacecraft [Re] |
98.457 |
| Z GSE location of spacecraft [Re] |
3.336 |
| Upstream plasma points selected for analysis |
0003 |
| Upstream field points selected for analysis |
0120 |
| Downstream plasma points selected for analysis |
0004
|
| Downstream field points selected for analysis |
0150 |
| Minimum chisq/dof for RH8,RH9,RH10 |
0.29, 0.48, 0.77 |
Event added to database
|
Wed Sep 25 11:03:00 2013
|
Event last processed
|
Wed Sep 25 17:02:53 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
33.280 ± 10.001
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-493.9 ± 2.3 |
-541.1 ± 3.0 |
| Vy GSE [km/s] |
1.5 ± 5.4 |
-7.2 ± 2.9 |
| Vz GSE [km/s] |
-30.1 ± 1.2 |
3.1 ± 1.0 |
| Wi [km/s] |
33.9 ± 2.3 |
43.0 ± 1.2 |
| We [km/s] |
1070.8 ± 72.9 |
1359.8 ± 39.3 |
| Ni [n/cc] |
1.6 ± 0.0 |
2.2 ± 0.1 |
| Bx GSE [nT] |
2.4 ± 0.2 |
-1.6 ± 0.1 |
| By GSE [nT] |
-0.4 ± 0.5 |
-1.5 ± 0.2 |
| Bz GSE [nT] |
-2.3 ± 0.2 |
0.2 ± 0.1 |
Plasma Beta
|
0.353 ± 0.317
|
1.903 ± 2.105
|
Sound Speed [km/s]
|
43.71 ± 2.98
|
55.52 ± 1.60
|
Alfven Speed [km/s]
|
57.31 ± 1.97
|
31.62 ± 3.29
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.766 ± 0.808 |
-0.591 ± 1.042 |
-0.254 ± 0.249 |
-14.74 ± 30.93 |
217.64 ± 77.69 |
| VC |
-0.811 ± 0.024 |
-0.143 ± 0.083 |
0.568 ± 0.497 |
34.59 ± 1.94 |
190.02 ± 5.85 |
| MX1 |
-0.765 ± 0.786 |
-0.582 ± 1.025 |
-0.277 ± 0.269 |
-16.07 ± 30.41 |
217.26 ± 76.51 |
| MX2 |
-0.766 ± 0.813 |
-0.592 ± 1.045 |
-0.250 ± 0.245 |
-14.48 ± 31.07 |
217.72 ± 77.92 |
| MX3 |
-0.963 ± 0.322 |
-0.202 ± 1.462 |
-0.178 ± 0.176 |
-10.26 ± 32.21 |
191.83 ± 86.98 |
| RH08 |
-0.568 ± 0.042 |
0.377 ± 0.049 |
-0.732 ± 0.560 |
-47.04 ± 2.73 |
146.41 ± 4.55 |
| RH09 |
-0.568 ± 0.046 |
0.377 ± 0.055 |
-0.732 ± 0.560 |
-47.04 ± 2.98 |
146.41 ± 5.13 |
| RH10 |
-0.568 ± 0.057 |
0.377 ± 0.065 |
-0.732 ± 0.560 |
-47.04 ± 3.96 |
146.41 ± 5.90 |
| Average |
-0.722 |
-0.122 |
-0.323 |
-20.260 |
184.212 |
| Median |
-0.765 |
-0.143 |
-0.254 |
-14.738 |
191.833 |
| Deviation |
0.143 |
0.448 |
0.436 |
27.623 |
33.192 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
72.3 ± 9.2 |
498.8 ± 10.4 |
1.37 ± 0.09 |
| VC |
17.3 ± 10.0 |
581.0 ± 14.3 |
1.37 ± 0.09 |
| MX1 |
73.2 ± 9.2 |
496.0 ± 10.2 |
1.37 ± 0.09 |
| MX2 |
72.1 ± 9.2 |
499.3 ± 10.5 |
1.37 ± 0.09 |
| MX3 |
57.4 ± 7.1 |
621.2 ± 11.2 |
1.37 ± 0.09 |
| RH08 |
86.7 ± 0.5 |
300.7 ± 0.7 |
1.37 ± 0.09 |
| RH09 |
86.7 ± 0.5 |
300.7 ± 0.7 |
1.37 ± 0.09 |
| RH10 |
86.7 ± 0.5 |
300.7 ± 2.4 |
1.37 ± 0.09 |
| Average |
69.0 |
449.8 |
1.37 |
| Median |
73.2 |
498.8 |
1.37 |
| Deviation |
23.3 |
131.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
113.8 ± 4.6 |
10.7 ± 0.3 |
17.4 ± 0.6 |
71.3 ± 0.4 |
10.67 ± 0.31 |
1.60 ± 0.07 |
| VC |
197.9 ± 2.8 |
39.7 ± 1.9 |
54.7 ± 1.9 |
60.2 ± 1.0 |
4.99 ± 0.23 |
3.29 ± 0.09 |
| MX1 |
110.8 ± 4.6 |
10.1 ± 0.3 |
16.6 ± 0.6 |
71.4 ± 0.4 |
10.95 ± 0.33 |
1.55 ± 0.06 |
| MX2 |
114.4 ± 4.6 |
10.8 ± 0.3 |
17.6 ± 0.6 |
71.3 ± 0.4 |
10.62 ± 0.31 |
1.60 ± 0.07 |
| MX3 |
140.5 ± 3.1 |
19.4 ± 0.6 |
30.9 ± 1.1 |
69.5 ± 0.3 |
7.24 ± 0.20 |
2.02 ± 0.05 |
| RH8 |
-2.2 ± 0.9 |
2.0 ± 0.1 |
3.3 ± 0.1 |
72.1 ± 0.4 |
-1.12 ± 0.44 |
-0.03 ± 0.01 |
| RH9 |
-2.2 ± 0.9 |
2.0 ± 0.1 |
3.3 ± 0.1 |
72.1 ± 0.4 |
-1.12 ± 0.44 |
-0.03 ± 0.01 |
| RH10 |
-2.2 ± 0.9 |
2.0 ± 0.1 |
3.3 ± 0.1 |
72.1 ± 0.4 |
-1.12 ± 0.44 |
-0.03 ± 0.01 |
| Average |
83.8 |
12.1 |
18.4 |
70.0 |
5.1 |
1.2 |
| Median |
113.8 |
10.7 |
17.4 |
71.4 |
7.2 |
1.6 |
| Deviation |
76.5 |
12.7 |
17.6 |
4.1 |
5.6 |
1.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
80.9 ± 3.8 |
8.4 ± 0.6 |
9.6 ± 1.0 |
63.4 ± 1.1 |
9.68 ± 1.02 |
1.28 ± 0.06 |
| VC |
139.5 ± 3.2 |
29.6 ± 2.8 |
30.2 ± 3.1 |
56.7 ± 1.3 |
4.76 ± 0.50 |
2.46 ± 0.02 |
| MX1 |
78.8 ± 3.7 |
8.0 ± 0.6 |
9.1 ± 1.0 |
63.5 ± 1.1 |
9.93 ± 1.05 |
1.24 ± 0.06 |
| MX2 |
81.3 ± 3.8 |
8.5 ± 0.6 |
9.7 ± 1.0 |
63.4 ± 1.1 |
9.64 ± 1.01 |
1.28 ± 0.06 |
| MX3 |
99.2 ± 3.3 |
15.2 ± 1.1 |
17.1 ± 1.8 |
62.1 ± 1.0 |
6.55 ± 0.62 |
1.60 ± 0.05 |
| RH8 |
-1.5 ± 0.2 |
1.6 ± 0.1 |
1.8 ± 0.2 |
63.9 ± 1.2 |
-0.97 ± 0.15 |
-0.02 ± 0.00 |
| RH9 |
-1.5 ± 0.2 |
1.6 ± 0.1 |
1.8 ± 0.2 |
63.9 ± 1.2 |
-0.97 ± 0.15 |
-0.02 ± 0.00 |
| RH10 |
-1.5 ± 0.2 |
1.6 ± 0.1 |
1.8 ± 0.2 |
63.9 ± 1.2 |
-0.97 ± 0.15 |
-0.02 ± 0.00 |
| Average |
59.4 |
9.3 |
10.1 |
62.6 |
4.7 |
1.0 |
| Median |
80.9 |
8.4 |
9.6 |
63.5 |
6.6 |
1.3 |
| Deviation |
54.1 |
9.5 |
9.7 |
2.5 |
5.0 |
0.9 |
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)
| 
