Database: Wind Shock Analysis
Event ID: 19952341256
Observation time: 08/22/1995 234.53943 1256 [UT]
|
|
General
Information (About, Top)
| Year |
1995 |
| Fractional day of year |
234.539427 |
| Arrival time of shock [seconds of day] |
46606.5 ± 9.0 |
| Shock type |
FF |
| Electron data availability |
0 |
| X GSE location of spacecraft [Re] |
33.845 |
| Y GSE location of spacecraft [Re] |
-31.926 |
| Z GSE location of spacecraft [Re] |
-1.710 |
| Upstream plasma points selected for analysis |
0010 |
| Upstream field points selected for analysis |
0305 |
| Downstream plasma points selected for analysis |
0010
|
| Downstream field points selected for analysis |
0293 |
| Minimum chisq/dof for RH8,RH9,RH10 |
4.03, 6.18, 6.34 |
Event added to database
|
Mon Feb 14 11:01:09 2005
|
Event last processed
|
Wed Mar 25 13:01:38 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
10.929 ± 0.291
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-323.8 ± 2.7 |
-358.8 ± 3.4 |
| Vy GSE [km/s] |
-7.7 ± 1.6 |
16.4 ± 3.5 |
| Vz GSE [km/s] |
8.0 ± 1.9 |
25.7 ± 6.3 |
| Wi [km/s] |
20.7 ± 1.1 |
36.5 ± 2.5 |
| We [km/s] |
656.0 ± 35.4 |
1153.3 ± 77.8 |
| Ni [n/cc] |
3.4 ± 0.2 |
8.9 ± 0.5 |
| Bx GSE [nT] |
0.6 ± 0.2 |
0.7 ± 0.4 |
| By GSE [nT] |
-1.9 ± 0.1 |
-3.6 ± 0.6 |
| Bz GSE [nT] |
0.7 ± 0.2 |
1.9 ± 1.4 |
Plasma Beta
|
0.655 ± 0.665
|
1.389 ± 1.331
|
Sound Speed [km/s]
|
26.78 ± 1.45
|
47.08 ± 3.18
|
Alfven Speed [km/s]
|
25.68 ± 0.81
|
31.96 ± 3.74
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.684 ± 0.428 |
0.730 ± 0.401 |
0.013 ± 0.013 |
0.77 ± 37.86 |
133.13 ± 33.61 |
| VC |
-0.763 ± 0.071 |
0.528 ± 0.090 |
0.374 ± 0.355 |
21.95 ± 7.09 |
145.30 ± 6.48 |
| MX1 |
-0.820 ± 0.156 |
0.310 ± 0.360 |
0.482 ± 0.441 |
28.82 ± 9.85 |
159.29 ± 25.07 |
| MX2 |
-0.835 ± 0.138 |
0.366 ± 0.286 |
0.412 ± 0.387 |
24.32 ± 8.79 |
156.34 ± 19.56 |
| MX3 |
-0.843 ± 0.138 |
0.397 ± 0.259 |
0.362 ± 0.346 |
21.25 ± 11.65 |
154.81 ± 17.46 |
| RH08 |
-0.974 ± 0.005 |
0.181 ± 0.022 |
0.140 ± 0.139 |
8.03 ± 1.05 |
169.47 ± 1.32 |
| RH09 |
-0.928 ± 0.026 |
0.330 ± 0.067 |
0.173 ± 0.171 |
9.97 ± 4.03 |
160.45 ± 4.10 |
| RH10 |
-0.928 ± 0.026 |
0.330 ± 0.067 |
0.173 ± 0.171 |
9.97 ± 4.03 |
160.45 ± 4.10 |
| Average |
-0.847 |
0.396 |
0.266 |
15.635 |
154.904 |
| Median |
-0.835 |
0.366 |
0.362 |
21.253 |
159.285 |
| Deviation |
0.096 |
0.166 |
0.163 |
9.737 |
11.091 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
31.8 ± 7.7 |
284.2 ± 4.7 |
2.64 ± 0.22 |
| VC |
55.1 ± 7.6 |
320.6 ± 6.5 |
2.64 ± 0.22 |
| MX1 |
69.0 ± 7.7 |
338.7 ± 7.0 |
2.64 ± 0.22 |
| MX2 |
64.2 ± 7.7 |
344.3 ± 6.6 |
2.64 ± 0.22 |
| MX3 |
61.1 ± 7.7 |
346.9 ± 6.3 |
2.64 ± 0.22 |
| RH08 |
66.1 ± 7.4 |
381.0 ± 5.3 |
2.64 ± 0.22 |
| RH09 |
59.1 ± 7.6 |
369.7 ± 5.2 |
2.64 ± 0.22 |
| RH10 |
59.1 ± 7.6 |
369.7 ± 5.2 |
2.64 ± 0.22 |
| Average |
58.2 |
344.4 |
2.64 |
| Median |
61.1 |
346.9 |
2.64 |
| Deviation |
11.5 |
31.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
68.3 ± 1.5 |
18.0 ± 0.6 |
21.8 ± 0.7 |
32.5 ± 1.1 |
3.80 ± 0.10 |
2.11 ± 0.05 |
| VC |
74.8 ± 2.1 |
11.1 ± 0.4 |
14.7 ± 0.5 |
35.4 ± 1.2 |
6.75 ± 0.17 |
2.11 ± 0.05 |
| MX1 |
71.8 ± 2.5 |
6.7 ± 0.2 |
9.2 ± 0.3 |
36.5 ± 1.3 |
10.66 ± 0.27 |
1.97 ± 0.05 |
| MX2 |
73.6 ± 2.4 |
8.3 ± 0.3 |
11.2 ± 0.4 |
36.2 ± 1.3 |
8.89 ± 0.22 |
2.03 ± 0.05 |
| MX3 |
73.9 ± 2.3 |
9.2 ± 0.3 |
12.4 ± 0.4 |
35.9 ± 1.3 |
8.01 ± 0.19 |
2.06 ± 0.05 |
| RH8 |
66.1 ± 2.5 |
7.7 ± 0.3 |
10.4 ± 0.3 |
36.3 ± 1.3 |
8.61 ± 0.20 |
1.82 ± 0.04 |
| RH9 |
70.3 ± 2.4 |
9.8 ± 0.3 |
13.2 ± 0.4 |
35.8 ± 1.3 |
7.14 ± 0.16 |
1.97 ± 0.04 |
| RH10 |
70.3 ± 2.4 |
9.8 ± 0.3 |
13.2 ± 0.4 |
35.8 ± 1.3 |
7.14 ± 0.16 |
1.97 ± 0.04 |
| Average |
71.1 |
10.1 |
13.3 |
35.5 |
7.6 |
2.0 |
| Median |
71.8 |
9.8 |
13.2 |
35.9 |
8.0 |
2.0 |
| Deviation |
3.0 |
3.5 |
3.9 |
1.3 |
2.0 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
26.6 ± 1.9 |
24.8 ± 2.2 |
27.2 ± 3.2 |
51.3 ± 2.3 |
1.08 ± 0.13 |
0.52 ± 0.06 |
| VC |
28.8 ± 3.5 |
15.6 ± 1.2 |
18.3 ± 2.1 |
54.9 ± 2.1 |
1.86 ± 0.30 |
0.53 ± 0.07 |
| MX1 |
27.2 ± 4.2 |
9.5 ± 0.7 |
11.4 ± 1.3 |
56.3 ± 2.1 |
2.87 ± 0.52 |
0.48 ± 0.08 |
| MX2 |
28.3 ± 3.8 |
11.7 ± 0.9 |
13.9 ± 1.6 |
55.8 ± 2.1 |
2.43 ± 0.40 |
0.51 ± 0.07 |
| MX3 |
28.4 ± 3.6 |
13.0 ± 1.0 |
15.4 ± 1.8 |
55.5 ± 2.1 |
2.20 ± 0.34 |
0.51 ± 0.07 |
| RH8 |
25.1 ± 3.2 |
10.8 ± 0.8 |
13.0 ± 1.5 |
56.0 ± 2.1 |
2.33 ± 0.32 |
0.45 ± 0.06 |
| RH9 |
26.8 ± 2.9 |
13.9 ± 1.1 |
16.4 ± 1.9 |
55.3 ± 2.1 |
1.94 ± 0.26 |
0.49 ± 0.06 |
| RH10 |
26.8 ± 2.9 |
13.9 ± 1.1 |
16.4 ± 1.9 |
55.3 ± 2.1 |
1.94 ± 0.26 |
0.49 ± 0.06 |
| Average |
27.3 |
14.2 |
16.5 |
55.1 |
2.1 |
0.5 |
| Median |
27.2 |
13.9 |
16.4 |
55.5 |
2.2 |
0.5 |
| Deviation |
1.2 |
4.7 |
4.8 |
1.6 |
0.5 |
0.0 |
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)
| 
