Database: Wind Shock Analysis
Event ID: 20081460243
Observation time: 05/25/2008 146.11325 0243 [UT]
|
|
General
Information (About, Top)
| Year |
2008 |
| Fractional day of year |
146.113247 |
| Arrival time of shock [seconds of day] |
9784.5 ± 30.0 |
| Shock type |
SF |
| Electron data availability |
0 |
| X GSE location of spacecraft [Re] |
253.806 |
| Y GSE location of spacecraft [Re] |
60.232 |
| Z GSE location of spacecraft [Re] |
21.682 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0199 |
| Downstream plasma points selected for analysis |
0005
|
| Downstream field points selected for analysis |
0151 |
| Minimum chisq/dof for RH8,RH9,RH10 |
4.16, 4.43, 4.81 |
Event added to database
|
Wed Sep 25 11:11:35 2013
|
Event last processed
|
Wed Sep 25 17:07:00 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
48.494 ± 9.240
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-471.4 ± 2.2 |
-503.3 ± 2.3 |
| Vy GSE [km/s] |
9.3 ± 3.8 |
-10.9 ± 2.9 |
| Vz GSE [km/s] |
-5.1 ± 5.1 |
-1.9 ± 4.7 |
| Wi [km/s] |
38.4 ± 1.0 |
34.3 ± 0.4 |
| We [km/s] |
1214.8 ± 33.2 |
1083.6 ± 11.4 |
| Ni [n/cc] |
2.3 ± 0.2 |
2.1 ± 0.1 |
| Bx GSE [nT] |
1.6 ± 0.4 |
-2.2 ± 0.3 |
| By GSE [nT] |
-0.3 ± 0.2 |
-1.9 ± 0.1 |
| Bz GSE [nT] |
-2.5 ± 0.3 |
-1.5 ± 0.5 |
Plasma Beta
|
0.794 ± 0.803
|
0.451 ± 0.463
|
Sound Speed [km/s]
|
49.59 ± 1.35
|
44.24 ± 0.47
|
Alfven Speed [km/s]
|
43.33 ± 2.92
|
51.12 ± 2.25
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.030 ± 0.298 |
0.525 ± 0.362 |
0.851 ± 0.535 |
58.29 ± 24.42 |
93.30 ± 32.43 |
| VC |
-0.843 ± 0.056 |
-0.531 ± 0.088 |
0.086 ± 0.085 |
4.91 ± 9.54 |
212.17 ± 5.95 |
| MX1 |
0.008 ± 0.105 |
0.501 ± 0.061 |
0.865 ± 0.524 |
59.90 ± 4.01 |
89.10 ± 11.99 |
| MX2 |
0.882 ± 0.638 |
0.279 ± 1.522 |
0.381 ± 0.361 |
22.39 ± 66.31 |
17.56 ± 98.55 |
| MX3 |
-0.152 ± 0.132 |
0.760 ± 0.162 |
0.631 ± 0.530 |
39.15 ± 14.80 |
101.34 ± 9.67 |
| RH08 |
-0.454 ± 0.026 |
0.617 ± 0.030 |
-0.642 ± 0.535 |
-39.98 ± 3.05 |
126.35 ± 1.53 |
| RH09 |
-0.454 ± 0.036 |
0.617 ± 0.041 |
-0.642 ± 0.535 |
-39.98 ± 4.12 |
126.35 ± 2.22 |
| RH10 |
-0.454 ± 0.042 |
0.617 ± 0.045 |
-0.642 ± 0.535 |
-39.98 ± 4.26 |
126.35 ± 2.84 |
| Average |
-0.187 |
0.423 |
0.111 |
8.089 |
111.565 |
| Median |
-0.152 |
0.617 |
0.381 |
22.394 |
126.351 |
| Deviation |
0.514 |
0.409 |
0.672 |
43.612 |
54.193 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
38.1 ± 7.8 |
64.6 ± 28.2 |
0.89 ± 0.07 |
| VC |
62.6 ± 8.1 |
141.5 ± 170.3 |
0.89 ± 0.07 |
| MX1 |
39.1 ± 8.0 |
49.9 ± 30.6 |
0.89 ± 0.07 |
| MX2 |
83.3 ± 8.6 |
-194.0 ± 143.3 |
0.89 ± 0.07 |
| MX3 |
46.3 ± 5.8 |
126.0 ± 34.6 |
0.89 ± 0.07 |
| RH08 |
76.7 ± 4.8 |
212.7 ± 10.9 |
0.89 ± 0.07 |
| RH09 |
76.7 ± 4.8 |
212.7 ± 10.9 |
0.89 ± 0.07 |
| RH10 |
76.7 ± 4.8 |
212.7 ± 53.3 |
0.89 ± 0.07 |
| Average |
62.4 |
103.2 |
0.89 |
| Median |
76.7 |
141.5 |
0.89 |
| Deviation |
18.7 |
136.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
49.8 ± 5.5 |
28.4 ± 1.3 |
34.1 ± 2.3 |
59.4 ± 2.1 |
1.75 ± 0.16 |
0.84 ± 0.08 |
| VC |
-250.7 ± 3.1 |
15.4 ± 0.7 |
19.9 ± 1.3 |
64.1 ± 2.3 |
-16.28 ± 0.66 |
-3.92 ± 0.13 |
| MX1 |
53.4 ± 5.6 |
27.9 ± 1.2 |
33.6 ± 2.3 |
59.7 ± 2.1 |
1.91 ± 0.17 |
0.89 ± 0.08 |
| MX2 |
220.9 ± 4.5 |
3.8 ± 0.2 |
5.0 ± 0.3 |
65.8 ± 2.4 |
58.32 ± 2.32 |
3.36 ± 0.12 |
| MX3 |
50.2 ± 5.0 |
24.2 ± 1.1 |
29.9 ± 2.0 |
61.3 ± 2.2 |
2.08 ± 0.17 |
0.82 ± 0.07 |
| RH8 |
-10.4 ± 3.6 |
7.6 ± 0.3 |
10.0 ± 0.7 |
65.4 ± 2.4 |
-1.38 ± 0.48 |
-0.16 ± 0.06 |
| RH9 |
-10.4 ± 3.6 |
7.6 ± 0.3 |
10.0 ± 0.7 |
65.4 ± 2.4 |
-1.38 ± 0.48 |
-0.16 ± 0.06 |
| RH10 |
-10.4 ± 3.6 |
7.6 ± 0.3 |
10.0 ± 0.7 |
65.4 ± 2.4 |
-1.38 ± 0.48 |
-0.16 ± 0.06 |
| Average |
11.5 |
15.3 |
19.1 |
63.3 |
5.5 |
0.2 |
| Median |
49.8 |
15.4 |
19.9 |
65.4 |
1.8 |
0.8 |
| Deviation |
130.2 |
10.2 |
12.0 |
2.7 |
22.2 |
2.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
56.8 ± 5.2 |
29.1 ± 0.6 |
40.2 ± 1.8 |
61.0 ± 1.8 |
1.95 ± 0.18 |
0.93 ± 0.09 |
| VC |
-288.6 ± 1.5 |
15.8 ± 0.4 |
23.5 ± 1.0 |
65.7 ± 1.9 |
-18.24 ± 0.43 |
-4.39 ± 0.13 |
| MX1 |
61.0 ± 5.1 |
28.7 ± 0.6 |
39.7 ± 1.7 |
61.2 ± 1.8 |
2.13 ± 0.18 |
1.00 ± 0.09 |
| MX2 |
253.4 ± 1.2 |
3.9 ± 0.1 |
5.9 ± 0.3 |
67.5 ± 1.9 |
65.16 ± 1.34 |
3.76 ± 0.10 |
| MX3 |
58.8 ± 5.0 |
24.8 ± 0.5 |
35.3 ± 1.6 |
62.9 ± 1.8 |
2.37 ± 0.22 |
0.94 ± 0.09 |
| RH8 |
-10.4 ± 2.1 |
7.8 ± 0.2 |
11.8 ± 0.5 |
67.2 ± 1.9 |
-1.34 ± 0.25 |
-0.15 ± 0.03 |
| RH9 |
-10.4 ± 2.1 |
7.8 ± 0.2 |
11.8 ± 0.5 |
67.2 ± 1.9 |
-1.34 ± 0.25 |
-0.15 ± 0.03 |
| RH10 |
-10.4 ± 2.1 |
7.8 ± 0.2 |
11.8 ± 0.5 |
67.2 ± 1.9 |
-1.34 ± 0.25 |
-0.15 ± 0.03 |
| Average |
13.8 |
15.7 |
22.5 |
65.0 |
6.2 |
0.2 |
| Median |
56.8 |
15.8 |
23.5 |
67.2 |
1.9 |
0.9 |
| Deviation |
149.6 |
10.4 |
14.1 |
2.8 |
24.8 |
2.3 |
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)
| 
