Database: Wind Shock Analysis
Event ID: 19950570255
Observation time: 02/26/1995 57.12196 0255 [UT]
|
|
General
Information (About, Top)
| Year |
1995 |
| Fractional day of year |
57.121962 |
| Arrival time of shock [seconds of day] |
10537.5 ± 12.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
203.910 |
| Y GSE location of spacecraft [Re] |
-14.133 |
| Z GSE location of spacecraft [Re] |
9.177 |
| Upstream plasma points selected for analysis |
0010 |
| Upstream field points selected for analysis |
0252 |
| Downstream plasma points selected for analysis |
0011
|
| Downstream field points selected for analysis |
0281 |
| Minimum chisq/dof for RH8,RH9,RH10 |
6.67, 9.02, 9.22 |
Event added to database
|
Mon Feb 14 11:00:07 2005
|
Event last processed
|
Wed Mar 25 12:45:28 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
58.347 ± 6.387
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-271.0 ± 1.1 |
-297.9 ± 3.9 |
| Vy GSE [km/s] |
2.0 ± 0.7 |
-6.2 ± 1.9 |
| Vz GSE [km/s] |
-2.0 ± 1.4 |
-10.6 ± 3.9 |
| Wi [km/s] |
17.9 ± 0.2 |
21.3 ± 0.9 |
| We [km/s] |
564.5 ± 7.7 |
673.4 ± 29.9 |
| Ni [n/cc] |
21.3 ± 0.7 |
35.9 ± 4.2 |
| Bx GSE [nT] |
3.5 ± 0.2 |
0.8 ± 0.7 |
| By GSE [nT] |
6.9 ± 0.2 |
8.6 ± 0.8 |
| Bz GSE [nT] |
-3.8 ± 0.5 |
-7.5 ± 1.2 |
Plasma Beta
|
0.191 ± 0.192
|
0.293 ± 0.226
|
Sound Speed [km/s]
|
23.04 ± 0.31
|
27.49 ± 1.22
|
Alfven Speed [km/s]
|
40.84 ± 0.59
|
42.09 ± 6.28
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.780 ± 0.366 |
-0.619 ± 0.461 |
0.088 ± 0.088 |
5.06 ± 12.76 |
218.46 ± 33.84 |
| VC |
-0.915 ± 0.039 |
-0.279 ± 0.053 |
-0.292 ± 0.283 |
-16.95 ± 7.24 |
196.99 ± 3.28 |
| MX1 |
-0.800 ± 0.344 |
-0.589 ± 0.466 |
0.112 ± 0.111 |
6.42 ± 12.63 |
216.37 ± 33.37 |
| MX2 |
-0.811 ± 0.330 |
-0.571 ± 0.468 |
0.126 ± 0.125 |
7.23 ± 12.62 |
215.14 ± 33.06 |
| MX3 |
-0.793 ± 0.279 |
-0.572 ± 0.385 |
0.207 ± 0.204 |
11.97 ± 12.12 |
215.80 ± 27.74 |
| RH08 |
-0.844 ± 0.007 |
-0.404 ± 0.012 |
0.352 ± 0.337 |
20.61 ± 0.56 |
205.57 ± 0.82 |
| RH09 |
-0.835 ± 0.036 |
-0.330 ± 0.065 |
0.441 ± 0.410 |
26.19 ± 3.61 |
201.56 ± 4.40 |
| RH10 |
-0.835 ± 0.037 |
-0.330 ± 0.065 |
0.441 ± 0.410 |
26.19 ± 3.66 |
201.56 ± 4.41 |
| Average |
-0.827 |
-0.462 |
0.185 |
10.840 |
208.931 |
| Median |
-0.811 |
-0.404 |
0.207 |
11.972 |
215.140 |
| Deviation |
0.042 |
0.140 |
0.241 |
14.174 |
8.404 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
31.8 ± 1.6 |
274.0 ± 5.4 |
1.64 ± 0.11 |
| VC |
62.3 ± 1.7 |
321.0 ± 7.9 |
1.64 ± 0.11 |
| MX1 |
32.4 ± 1.5 |
279.8 ± 5.4 |
1.64 ± 0.11 |
| MX2 |
32.8 ± 1.5 |
283.0 ± 5.3 |
1.64 ± 0.11 |
| MX3 |
29.5 ± 1.4 |
274.9 ± 4.9 |
1.64 ± 0.11 |
| RH08 |
34.8 ± 1.5 |
285.9 ± 4.6 |
1.64 ± 0.11 |
| RH09 |
37.1 ± 1.8 |
278.7 ± 4.7 |
1.64 ± 0.11 |
| RH10 |
37.1 ± 1.8 |
278.7 ± 4.7 |
1.64 ± 0.11 |
| Average |
37.2 |
284.5 |
1.64 |
| Median |
34.8 |
279.8 |
1.64 |
| Deviation |
10.5 |
15.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
64.0 ± 1.1 |
18.6 ± 0.2 |
34.7 ± 0.5 |
43.1 ± 0.6 |
3.45 ± 0.08 |
1.49 ± 0.04 |
| VC |
73.0 ± 1.3 |
9.5 ± 0.1 |
19.0 ± 0.3 |
45.9 ± 0.6 |
7.66 ± 0.20 |
1.59 ± 0.04 |
| MX1 |
64.4 ± 1.1 |
18.4 ± 0.2 |
34.5 ± 0.5 |
43.1 ± 0.6 |
3.49 ± 0.08 |
1.49 ± 0.04 |
| MX2 |
64.5 ± 1.1 |
18.3 ± 0.2 |
34.3 ± 0.5 |
43.2 ± 0.6 |
3.52 ± 0.08 |
1.50 ± 0.04 |
| MX3 |
61.4 ± 1.0 |
19.1 ± 0.2 |
35.5 ± 0.5 |
42.8 ± 0.6 |
3.21 ± 0.08 |
1.44 ± 0.03 |
| RH8 |
58.6 ± 1.0 |
17.8 ± 0.2 |
33.5 ± 0.5 |
43.4 ± 0.6 |
3.29 ± 0.08 |
1.35 ± 0.03 |
| RH9 |
54.1 ± 1.0 |
17.2 ± 0.2 |
32.6 ± 0.5 |
43.6 ± 0.6 |
3.14 ± 0.08 |
1.24 ± 0.03 |
| RH10 |
54.1 ± 1.0 |
17.2 ± 0.2 |
32.6 ± 0.5 |
43.6 ± 0.6 |
3.14 ± 0.08 |
1.24 ± 0.03 |
| Average |
61.8 |
17.0 |
32.1 |
43.6 |
3.9 |
1.4 |
| Median |
64.0 |
18.3 |
34.3 |
43.4 |
3.4 |
1.5 |
| Deviation |
6.3 |
3.1 |
5.4 |
1.0 |
1.5 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
38.8 ± 3.9 |
21.3 ± 1.0 |
35.8 ± 5.3 |
45.7 ± 4.4 |
1.82 ± 0.20 |
0.85 ± 0.08 |
| VC |
43.7 ± 4.0 |
10.8 ± 0.5 |
19.6 ± 2.9 |
49.3 ± 4.3 |
4.05 ± 0.42 |
0.89 ± 0.09 |
| MX1 |
39.0 ± 3.9 |
21.2 ± 1.0 |
35.5 ± 5.3 |
45.8 ± 4.4 |
1.85 ± 0.20 |
0.85 ± 0.08 |
| MX2 |
39.1 ± 3.9 |
21.0 ± 0.9 |
35.4 ± 5.3 |
45.9 ± 4.4 |
1.86 ± 0.20 |
0.86 ± 0.07 |
| MX3 |
37.2 ± 3.9 |
22.0 ± 1.0 |
36.6 ± 5.5 |
45.4 ± 4.4 |
1.69 ± 0.19 |
0.82 ± 0.07 |
| RH8 |
35.7 ± 4.0 |
20.4 ± 0.9 |
34.5 ± 5.2 |
46.1 ± 4.4 |
1.75 ± 0.20 |
0.77 ± 0.06 |
| RH9 |
32.7 ± 4.1 |
19.7 ± 0.9 |
33.6 ± 5.0 |
46.5 ± 4.4 |
1.66 ± 0.20 |
0.70 ± 0.05 |
| RH10 |
32.7 ± 4.1 |
19.7 ± 0.9 |
33.6 ± 5.0 |
46.5 ± 4.4 |
1.66 ± 0.20 |
0.70 ± 0.05 |
| Average |
37.4 |
19.5 |
33.1 |
46.4 |
2.0 |
0.8 |
| Median |
38.8 |
21.0 |
35.4 |
46.1 |
1.8 |
0.9 |
| Deviation |
3.7 |
3.6 |
5.6 |
1.2 |
0.8 |
0.1 |
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)
| 
