Database: Wind Shock Analysis
Event ID: 20080022140
Observation time: 01/02/2008 2.90342 2140 [UT]
|
|
General
Information (About, Top)
| Year |
2008 |
| Fractional day of year |
2.903420 |
| Arrival time of shock [seconds of day] |
78055.5 ± 20.0 |
| Shock type |
SF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
251.590 |
| Y GSE location of spacecraft [Re] |
-46.751 |
| Z GSE location of spacecraft [Re] |
20.850 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0238 |
| Downstream plasma points selected for analysis |
0006
|
| Downstream field points selected for analysis |
0212 |
| Minimum chisq/dof for RH8,RH9,RH10 |
5.21, 10.91, 11.33 |
Event added to database
|
Wed Sep 25 10:36:24 2013
|
Event last processed
|
Wed Sep 25 16:58:33 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
73.861 ± 51.685
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-326.6 ± 0.5 |
-343.2 ± 1.9 |
| Vy GSE [km/s] |
8.5 ± 0.9 |
0.7 ± 1.4 |
| Vz GSE [km/s] |
-9.4 ± 0.2 |
-16.2 ± 0.5 |
| Wi [km/s] |
16.4 ± 1.3 |
20.0 ± 1.3 |
| We [km/s] |
518.8 ± 41.2 |
633.4 ± 40.2 |
| Ni [n/cc] |
10.8 ± 1.0 |
5.4 ± 0.7 |
| Bx GSE [nT] |
-1.0 ± 0.3 |
2.5 ± 0.2 |
| By GSE [nT] |
1.4 ± 0.4 |
2.1 ± 0.1 |
| Bz GSE [nT] |
-0.5 ± 0.3 |
0.9 ± 0.1 |
Plasma Beta
|
1.830 ± 1.818
|
0.400 ± 0.429
|
Sound Speed [km/s]
|
21.18 ± 1.68
|
25.86 ± 1.64
|
Alfven Speed [km/s]
|
12.31 ± 1.96
|
32.02 ± 3.95
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.280 ± 0.602 |
0.954 ± 0.177 |
-0.103 ± 0.103 |
-5.91 ± 8.01 |
106.35 ± 36.15 |
| VC |
-0.848 ± 0.027 |
-0.398 ± 0.055 |
-0.350 ± 0.335 |
-20.50 ± 1.75 |
205.12 ± 3.69 |
| MX1 |
-0.285 ± 0.602 |
0.954 ± 0.180 |
-0.089 ± 0.089 |
-5.13 ± 8.50 |
106.60 ± 36.15 |
| MX2 |
-0.514 ± 0.870 |
0.843 ± 0.530 |
-0.157 ± 0.156 |
-9.02 ± 12.00 |
121.35 ± 59.06 |
| MX3 |
-0.485 ± 0.753 |
0.866 ± 0.423 |
0.125 ± 0.124 |
7.17 ± 20.45 |
119.25 ± 49.79 |
| RH08 |
-0.381 ± 0.021 |
0.071 ± 0.040 |
0.922 ± 0.455 |
67.19 ± 1.25 |
169.47 ± 5.99 |
| RH09 |
-0.381 ± 0.048 |
0.071 ± 0.072 |
0.922 ± 0.455 |
67.19 ± 2.93 |
169.47 ± 10.76 |
| RH10 |
-0.381 ± 0.049 |
0.071 ± 0.072 |
0.922 ± 0.455 |
67.19 ± 3.00 |
169.47 ± 10.68 |
| Average |
-0.444 |
0.429 |
0.274 |
21.021 |
145.884 |
| Median |
-0.381 |
0.843 |
0.125 |
7.167 |
169.471 |
| Deviation |
0.183 |
0.532 |
0.552 |
38.955 |
37.024 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
25.2 ± 11.6 |
103.0 ± 0.4 |
0.51 ± 0.08 |
| VC |
74.0 ± 14.6 |
258.3 ± 1.4 |
0.51 ± 0.08 |
| MX1 |
25.3 ± 11.6 |
104.4 ± 0.4 |
0.51 ± 0.08 |
| MX2 |
17.1 ± 6.3 |
173.8 ± 0.2 |
0.51 ± 0.08 |
| MX3 |
26.7 ± 12.1 |
164.4 ± 0.3 |
0.51 ± 0.08 |
| RH08 |
88.9 ± 9.1 |
117.0 ± 0.1 |
0.51 ± 0.08 |
| RH09 |
88.9 ± 9.1 |
117.0 ± 0.1 |
0.51 ± 0.08 |
| RH10 |
88.9 ± 9.1 |
117.0 ± 0.8 |
0.51 ± 0.08 |
| Average |
54.4 |
144.3 |
0.51 |
| Median |
74.0 |
117.0 |
0.51 |
| Deviation |
33.4 |
53.2 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
2.4 ± 0.9 |
10.7 ± 1.6 |
11.1 ± 1.8 |
22.0 ± 1.9 |
0.24 ± 0.12 |
0.11 ± 0.05 |
| VC |
-18.6 ± 0.3 |
2.9 ± 0.4 |
3.4 ± 0.5 |
24.3 ± 2.4 |
-6.41 ± 0.90 |
-0.77 ± 0.08 |
| MX1 |
2.4 ± 0.9 |
10.7 ± 1.6 |
11.1 ± 1.8 |
22.1 ± 1.9 |
0.24 ± 0.12 |
0.11 ± 0.05 |
| MX2 |
-2.7 ± 0.9 |
11.5 ± 1.8 |
11.8 ± 1.9 |
21.6 ± 1.8 |
-0.23 ± 0.06 |
-0.12 ± 0.04 |
| MX3 |
-0.2 ± 0.9 |
10.5 ± 1.6 |
11.0 ± 1.8 |
22.1 ± 1.9 |
-0.01 ± 0.09 |
-0.01 ± 0.04 |
| RH8 |
0.5 ± 0.2 |
0.2 ± 0.0 |
0.2 ± 0.0 |
24.5 ± 2.4 |
2.74 ± 1.47 |
0.02 ± 0.01 |
| RH9 |
0.5 ± 0.2 |
0.2 ± 0.0 |
0.2 ± 0.0 |
24.5 ± 2.4 |
2.74 ± 1.47 |
0.02 ± 0.01 |
| RH10 |
0.5 ± 0.2 |
0.2 ± 0.0 |
0.2 ± 0.0 |
24.5 ± 2.4 |
2.74 ± 1.47 |
0.02 ± 0.01 |
| Average |
-1.9 |
5.9 |
6.1 |
23.2 |
0.3 |
-0.1 |
| Median |
0.5 |
10.5 |
11.0 |
24.3 |
0.2 |
0.0 |
| Deviation |
6.9 |
5.4 |
5.6 |
1.3 |
3.0 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
4.5 ± 0.9 |
21.2 ± 1.6 |
29.0 ± 3.6 |
35.3 ± 3.6 |
0.22 ± 0.06 |
0.13 ± 0.04 |
| VC |
-38.1 ± 2.2 |
5.6 ± 0.4 |
8.8 ± 1.1 |
40.8 ± 3.9 |
-6.89 ± 0.98 |
-0.94 ± 0.15 |
| MX1 |
4.5 ± 0.9 |
21.1 ± 1.6 |
28.9 ± 3.6 |
35.3 ± 3.6 |
0.22 ± 0.06 |
0.13 ± 0.04 |
| MX2 |
-5.7 ± 0.7 |
23.3 ± 1.6 |
30.6 ± 3.8 |
34.0 ± 3.7 |
-0.25 ± 0.04 |
-0.17 ± 0.02 |
| MX3 |
-0.6 ± 0.8 |
20.8 ± 1.5 |
28.6 ± 3.5 |
35.6 ± 3.6 |
-0.03 ± 0.04 |
-0.02 ± 0.02 |
| RH8 |
1.0 ± 0.6 |
0.4 ± 0.0 |
0.6 ± 0.1 |
41.2 ± 3.9 |
2.77 ± 1.61 |
0.03 ± 0.01 |
| RH9 |
1.0 ± 0.6 |
0.4 ± 0.0 |
0.6 ± 0.1 |
41.2 ± 3.9 |
2.77 ± 1.61 |
0.03 ± 0.01 |
| RH10 |
1.0 ± 0.6 |
0.4 ± 0.0 |
0.6 ± 0.1 |
41.2 ± 3.9 |
2.77 ± 1.61 |
0.03 ± 0.01 |
| Average |
-4.0 |
11.6 |
16.0 |
38.1 |
0.2 |
-0.1 |
| Median |
1.0 |
20.8 |
28.6 |
40.8 |
0.2 |
0.0 |
| Deviation |
14.1 |
10.8 |
14.5 |
3.3 |
3.2 |
0.4 |
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)
| 
