Database: Wind Shock Analysis
Event ID: 19960940947
Observation time: 04/03/1996 94.40783 0947 [UT]
|
|
General
Information (About, Top)
| Year |
1996 |
| Fractional day of year |
94.407830 |
| Arrival time of shock [seconds of day] |
35236.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
76.476 |
| Y GSE location of spacecraft [Re] |
1.585 |
| Z GSE location of spacecraft [Re] |
0.421 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0163 |
| Downstream plasma points selected for analysis |
0004
|
| Downstream field points selected for analysis |
0123 |
| Minimum chisq/dof for RH8,RH9,RH10 |
6.66, 9.82, 10.83 |
Event added to database
|
Wed Oct 19 16:17:31 2005
|
Event last processed
|
Tue Mar 31 00:25:40 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
20.613 ± 0.402
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-337.0 ± 1.1 |
-351.5 ± 0.3 |
| Vy GSE [km/s] |
-2.6 ± 1.2 |
-8.2 ± 0.7 |
| Vz GSE [km/s] |
0.7 ± 1.1 |
7.9 ± 2.9 |
| Wi [km/s] |
15.3 ± 0.3 |
17.4 ± 0.4 |
| We [km/s] |
482.9 ± 9.7 |
549.7 ± 12.4 |
| Ni [n/cc] |
14.5 ± 0.5 |
21.4 ± 0.5 |
| Bx GSE [nT] |
-1.6 ± 0.1 |
-2.0 ± 0.1 |
| By GSE [nT] |
3.7 ± 0.0 |
5.8 ± 0.2 |
| Bz GSE [nT] |
1.3 ± 0.2 |
2.7 ± 0.6 |
Plasma Beta
|
0.387 ± 0.385
|
0.303 ± 0.309
|
Sound Speed [km/s]
|
19.71 ± 0.40
|
22.44 ± 0.51
|
Alfven Speed [km/s]
|
24.57 ± 0.55
|
31.61 ± 0.57
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.869 ± 0.223 |
0.318 ± 0.425 |
-0.378 ± 0.359 |
-22.19 ± 26.04 |
159.88 ± 27.70 |
| VC |
-0.849 ± 0.065 |
-0.333 ± 0.083 |
0.410 ± 0.385 |
24.20 ± 8.47 |
201.43 ± 5.38 |
| MX1 |
-0.832 ± 0.061 |
-0.389 ± 0.068 |
0.395 ± 0.373 |
23.28 ± 8.59 |
205.05 ± 4.33 |
| MX2 |
-0.837 ± 0.061 |
-0.385 ± 0.067 |
0.390 ± 0.369 |
22.93 ± 8.72 |
204.70 ± 4.23 |
| MX3 |
-0.843 ± 0.061 |
-0.379 ± 0.066 |
0.382 ± 0.362 |
22.43 ± 8.92 |
204.22 ± 4.14 |
| RH08 |
-0.976 ± 0.006 |
-0.181 ± 0.026 |
0.117 ± 0.117 |
6.74 ± 1.97 |
190.53 ± 1.50 |
| RH09 |
-0.992 ± 0.009 |
-0.096 ± 0.066 |
-0.084 ± 0.084 |
-4.81 ± 3.94 |
185.52 ± 3.83 |
| RH10 |
-0.992 ± 0.009 |
-0.096 ± 0.069 |
-0.084 ± 0.084 |
-4.81 ± 4.02 |
185.52 ± 3.99 |
| Average |
-0.899 |
-0.193 |
0.144 |
8.472 |
192.105 |
| Median |
-0.849 |
-0.181 |
0.382 |
22.428 |
201.428 |
| Deviation |
0.074 |
0.242 |
0.299 |
17.592 |
15.527 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
60.7 ± 2.7 |
317.7 ± 3.3 |
1.49 ± 0.05 |
| VC |
81.0 ± 0.6 |
339.5 ± 5.3 |
1.49 ± 0.05 |
| MX1 |
84.4 ± 0.6 |
333.7 ± 5.3 |
1.49 ± 0.05 |
| MX2 |
84.2 ± 0.6 |
335.2 ± 5.2 |
1.49 ± 0.05 |
| MX3 |
84.0 ± 0.7 |
337.4 ± 5.2 |
1.49 ± 0.05 |
| RH08 |
75.7 ± 1.4 |
379.2 ± 3.8 |
1.49 ± 0.05 |
| RH09 |
74.6 ± 2.0 |
378.1 ± 3.1 |
1.49 ± 0.05 |
| RH10 |
74.6 ± 2.0 |
378.1 ± 3.1 |
1.49 ± 0.05 |
| Average |
77.4 |
349.9 |
1.49 |
| Median |
81.0 |
339.5 |
1.49 |
| Deviation |
8.0 |
24.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
25.8 ± 1.6 |
7.8 ± 0.1 |
12.0 ± 0.3 |
30.5 ± 0.5 |
3.32 ± 0.16 |
0.84 ± 0.04 |
| VC |
52.2 ± 0.5 |
2.4 ± 0.0 |
3.8 ± 0.1 |
31.4 ± 0.5 |
21.65 ± 0.22 |
1.66 ± 0.02 |
| MX1 |
52.0 ± 0.4 |
1.5 ± 0.0 |
2.4 ± 0.1 |
31.5 ± 0.5 |
34.76 ± 0.39 |
1.65 ± 0.02 |
| MX2 |
52.0 ± 0.4 |
1.5 ± 0.0 |
2.5 ± 0.1 |
31.5 ± 0.5 |
33.60 ± 0.37 |
1.65 ± 0.02 |
| MX3 |
52.0 ± 0.4 |
1.6 ± 0.0 |
2.6 ± 0.1 |
31.5 ± 0.5 |
32.10 ± 0.34 |
1.65 ± 0.02 |
| RH8 |
49.6 ± 0.8 |
3.8 ± 0.1 |
6.1 ± 0.1 |
31.3 ± 0.5 |
12.98 ± 0.06 |
1.59 ± 0.02 |
| RH9 |
43.7 ± 1.0 |
4.1 ± 0.1 |
6.5 ± 0.1 |
31.2 ± 0.5 |
10.62 ± 0.12 |
1.40 ± 0.02 |
| RH10 |
43.7 ± 1.0 |
4.1 ± 0.1 |
6.5 ± 0.1 |
31.2 ± 0.5 |
10.62 ± 0.12 |
1.40 ± 0.02 |
| Average |
46.4 |
3.4 |
5.3 |
31.3 |
20.0 |
1.5 |
| Median |
52.0 |
3.8 |
6.1 |
31.4 |
21.6 |
1.7 |
| Deviation |
9.1 |
2.1 |
3.3 |
0.3 |
12.3 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
17.7 ± 0.8 |
9.2 ± 0.2 |
15.5 ± 0.3 |
37.7 ± 0.6 |
1.92 ± 0.12 |
0.47 ± 0.03 |
| VC |
35.1 ± 1.2 |
2.9 ± 0.0 |
4.9 ± 0.1 |
38.7 ± 0.6 |
12.21 ± 0.26 |
0.91 ± 0.03 |
| MX1 |
34.8 ± 1.1 |
1.8 ± 0.0 |
3.1 ± 0.1 |
38.7 ± 0.6 |
19.58 ± 0.41 |
0.90 ± 0.03 |
| MX2 |
34.9 ± 1.1 |
1.8 ± 0.0 |
3.2 ± 0.1 |
38.7 ± 0.6 |
18.93 ± 0.39 |
0.90 ± 0.03 |
| MX3 |
34.9 ± 1.1 |
1.9 ± 0.0 |
3.3 ± 0.1 |
38.7 ± 0.6 |
18.09 ± 0.36 |
0.90 ± 0.03 |
| RH8 |
33.6 ± 0.5 |
4.5 ± 0.1 |
7.8 ± 0.1 |
38.5 ± 0.6 |
7.38 ± 0.11 |
0.87 ± 0.02 |
| RH9 |
29.3 ± 0.3 |
4.9 ± 0.1 |
8.4 ± 0.2 |
38.5 ± 0.6 |
6.00 ± 0.15 |
0.76 ± 0.02 |
| RH10 |
29.3 ± 0.3 |
4.9 ± 0.1 |
8.4 ± 0.2 |
38.5 ± 0.6 |
6.00 ± 0.15 |
0.76 ± 0.02 |
| Average |
31.2 |
4.0 |
6.8 |
38.5 |
11.3 |
0.8 |
| Median |
34.8 |
4.5 |
7.8 |
38.7 |
12.2 |
0.9 |
| Deviation |
6.0 |
2.5 |
4.2 |
0.4 |
6.9 |
0.2 |
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)
| 
