Database: Wind Shock Analysis
Event ID: 19950170556
Observation time: 01/17/1995 17.24752 0556 [UT]
|
|
General
Information (About, Top)
| Year |
1995 |
| Fractional day of year |
17.247517 |
| Arrival time of shock [seconds of day] |
21385.5 ± 60.0 |
| Shock type |
SF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
155.592 |
| Y GSE location of spacecraft [Re] |
-75.130 |
| Z GSE location of spacecraft [Re] |
-11.300 |
| Upstream plasma points selected for analysis |
0010 |
| Upstream field points selected for analysis |
0279 |
| Downstream plasma points selected for analysis |
0010
|
| Downstream field points selected for analysis |
0281 |
| Minimum chisq/dof for RH8,RH9,RH10 |
1.18, 2.06, 2.09 |
Event added to database
|
Mon Feb 14 10:59:54 2005
|
Event last processed
|
Wed Mar 25 12:41:18 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
38.213 ± 2.925
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-367.3 ± 2.4 |
-375.5 ± 2.9 |
| Vy GSE [km/s] |
-12.5 ± 4.7 |
0.8 ± 10.8 |
| Vz GSE [km/s] |
-14.5 ± 5.1 |
-4.1 ± 4.2 |
| Wi [km/s] |
20.2 ± 0.7 |
29.1 ± 1.4 |
| We [km/s] |
639.0 ± 22.9 |
919.1 ± 45.7 |
| Ni [n/cc] |
12.6 ± 1.1 |
20.7 ± 2.2 |
| Bx GSE [nT] |
2.0 ± 0.6 |
1.4 ± 0.5 |
| By GSE [nT] |
4.6 ± 1.7 |
2.0 ± 1.4 |
| Bz GSE [nT] |
-9.5 ± 0.6 |
-6.6 ± 0.6 |
Plasma Beta
|
0.093 ± 0.093
|
0.731 ± 0.750
|
Sound Speed [km/s]
|
26.09 ± 0.94
|
37.52 ± 1.86
|
Alfven Speed [km/s]
|
66.81 ± 3.58
|
34.66 ± 3.48
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.894 ± 0.401 |
0.380 ± 0.867 |
0.239 ± 0.234 |
13.82 ± 41.64 |
156.97 ± 55.40 |
| VC |
-0.600 ± 0.404 |
0.594 ± 0.407 |
0.536 ± 0.477 |
32.40 ± 22.44 |
135.27 ± 36.19 |
| MX1 |
-0.562 ± 0.369 |
0.721 ± 0.312 |
0.406 ± 0.382 |
23.94 ± 26.96 |
127.96 ± 27.84 |
| MX2 |
-0.538 ± 0.384 |
0.729 ± 0.314 |
0.423 ± 0.396 |
25.03 ± 27.20 |
126.40 ± 28.69 |
| MX3 |
-0.549 ± 0.324 |
0.716 ± 0.274 |
0.431 ± 0.402 |
25.53 ± 23.79 |
127.47 ± 24.45 |
| RH08 |
-0.957 ± 0.007 |
-0.161 ± 0.022 |
-0.240 ± 0.235 |
-13.90 ± 1.54 |
189.53 ± 1.31 |
| RH09 |
-0.945 ± 0.023 |
-0.193 ± 0.069 |
-0.263 ± 0.256 |
-15.22 ± 4.00 |
191.53 ± 4.20 |
| RH10 |
-0.945 ± 0.023 |
-0.193 ± 0.069 |
-0.263 ± 0.256 |
-15.22 ± 4.00 |
191.53 ± 4.20 |
| Average |
-0.749 |
0.324 |
0.159 |
9.546 |
155.833 |
| Median |
-0.600 |
0.594 |
0.406 |
23.936 |
156.966 |
| Deviation |
0.201 |
0.434 |
0.352 |
20.768 |
30.602 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
77.5 ± 5.2 |
359.7 ± 26.8 |
1.65 ± 0.24 |
| VC |
70.7 ± 8.0 |
253.4 ± 32.3 |
1.65 ± 0.24 |
| MX1 |
81.0 ± 8.2 |
241.7 ± 36.9 |
1.65 ± 0.24 |
| MX2 |
80.6 ± 8.4 |
232.5 ± 37.0 |
1.65 ± 0.24 |
| MX3 |
79.8 ± 8.3 |
236.3 ± 36.6 |
1.65 ± 0.24 |
| RH08 |
87.9 ± 3.4 |
365.3 ± 7.2 |
1.65 ± 0.24 |
| RH09 |
88.3 ± 3.6 |
359.2 ± 6.4 |
1.65 ± 0.24 |
| RH10 |
88.3 ± 3.6 |
359.2 ± 6.4 |
1.65 ± 0.24 |
| Average |
81.8 |
300.9 |
1.65 |
| Median |
81.0 |
359.2 |
1.65 |
| Deviation |
6.2 |
64.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
39.7 ± 4.4 |
5.3 ± 0.2 |
14.4 ± 0.8 |
71.6 ± 3.2 |
7.58 ± 0.97 |
0.56 ± 0.07 |
| VC |
48.2 ± 6.0 |
8.1 ± 0.2 |
22.1 ± 1.2 |
71.3 ± 3.2 |
5.98 ± 0.84 |
0.68 ± 0.09 |
| MX1 |
50.1 ± 5.9 |
3.8 ± 0.1 |
10.4 ± 0.6 |
71.6 ± 3.2 |
13.24 ± 1.76 |
0.70 ± 0.09 |
| MX2 |
50.2 ± 6.0 |
4.0 ± 0.1 |
10.9 ± 0.6 |
71.6 ± 3.2 |
12.69 ± 1.70 |
0.70 ± 0.09 |
| MX3 |
49.8 ± 6.0 |
4.3 ± 0.1 |
11.9 ± 0.6 |
71.6 ± 3.2 |
11.56 ± 1.56 |
0.70 ± 0.09 |
| RH8 |
8.1 ± 1.7 |
0.9 ± 0.0 |
2.5 ± 0.1 |
71.7 ± 3.2 |
8.95 ± 1.93 |
0.11 ± 0.02 |
| RH9 |
5.7 ± 1.7 |
0.7 ± 0.0 |
2.0 ± 0.1 |
71.7 ± 3.2 |
8.05 ± 2.49 |
0.08 ± 0.02 |
| RH10 |
5.7 ± 1.7 |
0.7 ± 0.0 |
2.0 ± 0.1 |
71.7 ± 3.2 |
8.05 ± 2.49 |
0.08 ± 0.02 |
| Average |
32.2 |
3.5 |
9.5 |
71.6 |
9.5 |
0.5 |
| Median |
48.2 |
4.0 |
10.9 |
71.6 |
9.0 |
0.7 |
| Deviation |
21.6 |
2.6 |
7.1 |
0.2 |
2.6 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
24.8 ± 6.5 |
5.5 ± 0.3 |
7.5 ± 0.8 |
50.9 ± 2.1 |
4.52 ± 1.19 |
0.49 ± 0.12 |
| VC |
29.9 ± 8.1 |
8.5 ± 0.4 |
11.5 ± 1.2 |
50.5 ± 2.0 |
3.51 ± 0.94 |
0.59 ± 0.15 |
| MX1 |
31.7 ± 9.2 |
4.0 ± 0.2 |
5.4 ± 0.5 |
51.0 ± 2.1 |
8.00 ± 2.32 |
0.62 ± 0.17 |
| MX2 |
31.7 ± 9.2 |
4.1 ± 0.2 |
5.7 ± 0.6 |
51.0 ± 2.1 |
7.66 ± 2.23 |
0.62 ± 0.17 |
| MX3 |
31.3 ± 9.1 |
4.5 ± 0.2 |
6.2 ± 0.6 |
51.0 ± 2.1 |
6.94 ± 2.02 |
0.61 ± 0.17 |
| RH8 |
4.9 ± 1.6 |
0.9 ± 0.0 |
1.3 ± 0.1 |
51.2 ± 2.1 |
5.17 ± 1.73 |
0.10 ± 0.03 |
| RH9 |
3.2 ± 1.4 |
0.7 ± 0.0 |
1.0 ± 0.1 |
51.2 ± 2.1 |
4.39 ± 1.99 |
0.06 ± 0.03 |
| RH10 |
3.2 ± 1.4 |
0.7 ± 0.0 |
1.0 ± 0.1 |
51.2 ± 2.1 |
4.39 ± 1.99 |
0.06 ± 0.03 |
| Average |
20.1 |
3.6 |
4.9 |
51.0 |
5.6 |
0.4 |
| Median |
29.9 |
4.1 |
5.7 |
51.0 |
5.2 |
0.6 |
| Deviation |
13.7 |
2.7 |
3.7 |
0.2 |
1.7 |
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)
| 
