Database: Wind Shock Analysis
Event ID: 19960931007
Observation time: 04/02/1996 93.42217 1007 [UT]
|
|
General
Information (About, Top)
| Year |
1996 |
| Fractional day of year |
93.422170 |
| Arrival time of shock [seconds of day] |
36475.5 ± 9.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
70.983 |
| Y GSE location of spacecraft [Re] |
-4.147 |
| Z GSE location of spacecraft [Re] |
1.053 |
| Upstream plasma points selected for analysis |
0008 |
| Upstream field points selected for analysis |
0281 |
| Downstream plasma points selected for analysis |
0006
|
| Downstream field points selected for analysis |
0181 |
| Minimum chisq/dof for RH8,RH9,RH10 |
13.02, 20.07, 24.54 |
Event added to database
|
Mon Feb 14 11:02:18 2005
|
Event last processed
|
Mon Mar 30 16:08:55 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
12.745 ± 2.743
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-330.4 ± 1.2 |
-342.8 ± 1.5 |
| Vy GSE [km/s] |
-2.6 ± 0.5 |
6.2 ± 1.8 |
| Vz GSE [km/s] |
2.8 ± 0.7 |
16.8 ± 1.3 |
| Wi [km/s] |
18.9 ± 0.3 |
22.0 ± 0.5 |
| We [km/s] |
597.1 ± 10.4 |
696.4 ± 14.3 |
| Ni [n/cc] |
12.1 ± 0.3 |
18.3 ± 0.9 |
| Bx GSE [nT] |
2.5 ± 0.2 |
4.4 ± 0.3 |
| By GSE [nT] |
0.3 ± 0.1 |
0.1 ± 0.5 |
| Bz GSE [nT] |
0.4 ± 0.1 |
1.2 ± 0.1 |
Plasma Beta
|
1.390 ± 1.474
|
0.904 ± 0.932
|
Sound Speed [km/s]
|
24.38 ± 0.42
|
28.43 ± 0.58
|
Alfven Speed [km/s]
|
16.11 ± 1.24
|
23.43 ± 2.08
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.592 ± 0.281 |
-0.371 ± 0.354 |
0.715 ± 0.557 |
45.68 ± 17.78 |
212.07 ± 32.32 |
| VC |
-0.600 ± 0.071 |
0.428 ± 0.079 |
0.676 ± 0.547 |
42.52 ± 5.17 |
144.53 ± 6.73 |
| MX1 |
-0.334 ± 0.134 |
0.522 ± 0.099 |
0.785 ± 0.559 |
51.69 ± 4.63 |
122.62 ± 14.25 |
| MX2 |
-0.358 ± 0.107 |
0.462 ± 0.094 |
0.811 ± 0.553 |
54.21 ± 4.89 |
127.80 ± 12.22 |
| MX3 |
-0.383 ± 0.104 |
0.407 ± 0.101 |
0.829 ± 0.546 |
56.03 ± 5.49 |
133.31 ± 12.44 |
| RH08 |
-0.294 ± 0.011 |
-0.755 ± 0.013 |
0.587 ± 0.508 |
35.92 ± 1.24 |
248.69 ± 0.79 |
| RH09 |
-0.348 ± 0.058 |
-0.409 ± 0.058 |
0.844 ± 0.539 |
57.52 ± 3.89 |
229.64 ± 6.25 |
| RH10 |
-0.341 ± 0.065 |
-0.415 ± 0.063 |
0.844 ± 0.539 |
57.52 ± 3.95 |
230.64 ± 7.39 |
| Average |
-0.406 |
-0.016 |
0.761 |
50.135 |
181.162 |
| Median |
-0.348 |
0.407 |
0.811 |
54.214 |
212.075 |
| Deviation |
0.120 |
0.518 |
0.093 |
7.955 |
53.746 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
58.1 ± 3.1 |
240.9 ± 6.5 |
1.50 ± 0.07 |
| VC |
63.6 ± 0.9 |
260.6 ± 8.2 |
1.50 ± 0.07 |
| MX1 |
81.0 ± 0.9 |
169.5 ± 7.0 |
1.50 ± 0.07 |
| MX2 |
79.4 ± 1.0 |
178.3 ± 7.0 |
1.50 ± 0.07 |
| MX3 |
77.7 ± 1.2 |
187.3 ± 7.0 |
1.50 ± 0.07 |
| RH08 |
72.5 ± 3.4 |
116.9 ± 5.5 |
1.50 ± 0.07 |
| RH09 |
74.0 ± 3.1 |
155.2 ± 5.7 |
1.50 ± 0.07 |
| RH10 |
74.4 ± 3.2 |
152.4 ± 5.7 |
1.50 ± 0.07 |
| Average |
72.6 |
182.6 |
1.50 |
| Median |
74.4 |
178.3 |
1.50 |
| Deviation |
7.9 |
47.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
42.3 ± 1.1 |
7.3 ± 0.4 |
8.5 ± 0.7 |
28.3 ± 0.9 |
5.79 ± 0.45 |
1.50 ± 0.08 |
| VC |
61.5 ± 1.0 |
6.1 ± 0.3 |
7.2 ± 0.6 |
28.6 ± 0.9 |
10.11 ± 0.71 |
2.15 ± 0.10 |
| MX1 |
58.3 ± 0.8 |
2.1 ± 0.1 |
2.5 ± 0.2 |
29.2 ± 1.0 |
27.70 ± 1.83 |
2.00 ± 0.09 |
| MX2 |
58.8 ± 0.8 |
2.5 ± 0.1 |
3.0 ± 0.2 |
29.1 ± 1.0 |
23.75 ± 1.58 |
2.02 ± 0.09 |
| MX3 |
59.4 ± 0.9 |
2.9 ± 0.2 |
3.4 ± 0.3 |
29.1 ± 1.0 |
20.74 ± 1.39 |
2.04 ± 0.09 |
| RH8 |
16.0 ± 0.9 |
4.1 ± 0.2 |
4.8 ± 0.4 |
28.9 ± 0.9 |
3.96 ± 0.38 |
0.56 ± 0.04 |
| RH9 |
36.9 ± 1.0 |
3.7 ± 0.2 |
4.4 ± 0.3 |
29.0 ± 0.9 |
9.92 ± 0.74 |
1.27 ± 0.07 |
| RH10 |
36.5 ± 0.9 |
3.6 ± 0.2 |
4.3 ± 0.3 |
29.0 ± 0.9 |
10.05 ± 0.75 |
1.26 ± 0.07 |
| Average |
46.2 |
4.0 |
4.8 |
28.9 |
14.0 |
1.6 |
| Median |
58.3 |
3.7 |
4.4 |
29.0 |
10.1 |
2.0 |
| Deviation |
16.1 |
1.8 |
2.1 |
0.3 |
8.8 |
0.6 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
28.3 ± 1.3 |
9.9 ± 0.5 |
12.4 ± 1.1 |
35.5 ± 1.1 |
2.86 ± 0.17 |
0.80 ± 0.04 |
| VC |
40.8 ± 0.8 |
8.2 ± 0.4 |
10.4 ± 0.9 |
35.9 ± 1.1 |
4.98 ± 0.31 |
1.14 ± 0.05 |
| MX1 |
38.6 ± 0.8 |
2.8 ± 0.1 |
3.7 ± 0.3 |
36.8 ± 1.2 |
13.64 ± 0.76 |
1.05 ± 0.04 |
| MX2 |
39.0 ± 0.8 |
3.3 ± 0.2 |
4.3 ± 0.4 |
36.7 ± 1.2 |
11.70 ± 0.64 |
1.06 ± 0.04 |
| MX3 |
39.5 ± 0.7 |
3.9 ± 0.2 |
5.0 ± 0.4 |
36.7 ± 1.2 |
10.25 ± 0.55 |
1.08 ± 0.04 |
| RH8 |
10.8 ± 1.8 |
5.5 ± 0.3 |
7.0 ± 0.6 |
36.5 ± 1.2 |
1.98 ± 0.28 |
0.30 ± 0.04 |
| RH9 |
24.4 ± 1.4 |
5.0 ± 0.3 |
6.5 ± 0.6 |
36.5 ± 1.2 |
4.87 ± 0.27 |
0.67 ± 0.03 |
| RH10 |
24.1 ± 1.4 |
4.9 ± 0.2 |
6.3 ± 0.6 |
36.5 ± 1.2 |
4.94 ± 0.28 |
0.66 ± 0.03 |
| Average |
30.7 |
5.4 |
6.9 |
36.4 |
6.9 |
0.8 |
| Median |
38.6 |
5.0 |
6.5 |
36.5 |
5.0 |
1.1 |
| Deviation |
10.6 |
2.4 |
3.0 |
0.4 |
4.3 |
0.3 |
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)
| 
