Database: Wind Shock Analysis
Event ID: 19951072333
Observation time: 04/17/1995 107.98130 2333 [UT]
|
|
General
Information (About, Top)
| Year |
1995 |
| Fractional day of year |
107.981302 |
| Arrival time of shock [seconds of day] |
84784.5 ± 9.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
229.808 |
| Y GSE location of spacecraft [Re] |
59.480 |
| Z GSE location of spacecraft [Re] |
10.962 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0235 |
| Downstream plasma points selected for analysis |
0009
|
| Downstream field points selected for analysis |
0228 |
| Minimum chisq/dof for RH8,RH9,RH10 |
6.35, 6.98, 7.09 |
Event added to database
|
Mon Feb 14 11:00:33 2005
|
Event last processed
|
Wed Mar 25 12:54:00 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
62.936 ± 0.735
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-331.8 ± 0.5 |
-356.1 ± 1.0 |
| Vy GSE [km/s] |
1.7 ± 0.5 |
4.6 ± 3.5 |
| Vz GSE [km/s] |
-0.3 ± 0.6 |
14.5 ± 2.9 |
| Wi [km/s] |
18.0 ± 0.4 |
27.5 ± 3.0 |
| We [km/s] |
569.0 ± 12.1 |
869.1 ± 94.6 |
| Ni [n/cc] |
14.4 ± 0.2 |
25.3 ± 1.4 |
| Bx GSE [nT] |
1.2 ± 0.1 |
1.7 ± 0.3 |
| By GSE [nT] |
7.0 ± 0.2 |
4.2 ± 1.6 |
| Bz GSE [nT] |
3.2 ± 0.4 |
9.0 ± 0.6 |
Plasma Beta
|
0.162 ± 0.163
|
0.392 ± 0.363
|
Sound Speed [km/s]
|
23.23 ± 0.49
|
35.48 ± 3.86
|
Alfven Speed [km/s]
|
44.78 ± 0.42
|
44.12 ± 1.83
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.162 ± 0.031 |
-0.906 ± 0.065 |
-0.391 ± 0.370 |
-23.02 ± 9.63 |
259.84 ± 1.84 |
| VC |
-0.854 ± 0.050 |
0.102 ± 0.117 |
0.511 ± 0.461 |
30.72 ± 5.47 |
173.21 ± 7.83 |
| MX1 |
-0.971 ± 0.235 |
-0.214 ± 1.053 |
0.104 ± 0.104 |
5.99 ± 22.86 |
192.40 ± 62.13 |
| MX2 |
-0.988 ± 0.040 |
-0.133 ± 0.288 |
0.073 ± 0.073 |
4.17 ± 8.71 |
187.69 ± 16.67 |
| MX3 |
-0.949 ± 0.033 |
0.237 ± 0.094 |
0.205 ± 0.202 |
11.84 ± 6.82 |
165.96 ± 5.68 |
| RH08 |
-1.000 ± 0.000 |
-0.026 ± 0.014 |
0.006 ± 0.006 |
0.32 ± 0.48 |
181.50 ± 0.82 |
| RH09 |
-1.000 ± 0.001 |
-0.009 ± 0.061 |
0.017 ± 0.017 |
0.96 ± 2.19 |
180.50 ± 3.47 |
| RH10 |
-1.000 ± 0.001 |
-0.009 ± 0.063 |
0.017 ± 0.017 |
0.96 ± 2.36 |
180.50 ± 3.62 |
| Average |
-0.866 |
-0.120 |
0.068 |
3.993 |
190.201 |
| Median |
-0.971 |
-0.009 |
0.073 |
4.166 |
181.504 |
| Deviation |
0.288 |
0.346 |
0.250 |
14.839 |
29.279 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
3.1 ± 1.5 |
43.4 ± 6.0 |
1.76 ± 0.10 |
| VC |
80.3 ± 1.4 |
348.8 ± 4.3 |
1.76 ± 0.10 |
| MX1 |
72.6 ± 0.8 |
378.9 ± 4.0 |
1.76 ± 0.10 |
| MX2 |
76.0 ± 0.7 |
385.8 ± 4.1 |
1.76 ± 0.10 |
| MX3 |
81.3 ± 0.7 |
379.0 ± 5.1 |
1.76 ± 0.10 |
| RH08 |
80.0 ± 0.7 |
389.2 ± 4.4 |
1.76 ± 0.10 |
| RH09 |
81.2 ± 0.7 |
389.9 ± 4.4 |
1.76 ± 0.10 |
| RH10 |
81.2 ± 0.7 |
389.9 ± 4.4 |
1.76 ± 0.10 |
| Average |
69.5 |
338.1 |
1.76 |
| Median |
80.3 |
385.8 |
1.76 |
| Deviation |
27.0 |
119.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-9.0 ± 0.4 |
23.2 ± 0.5 |
44.7 ± 0.4 |
44.8 ± 0.4 |
-0.39 ± 0.02 |
-0.20 ± 0.01 |
| VC |
65.6 ± 0.2 |
3.5 ± 0.1 |
7.5 ± 0.1 |
50.3 ± 0.5 |
18.88 ± 0.30 |
1.30 ± 0.01 |
| MX1 |
57.0 ± 0.4 |
6.2 ± 0.1 |
13.4 ± 0.1 |
50.1 ± 0.5 |
9.20 ± 0.14 |
1.14 ± 0.01 |
| MX2 |
58.1 ± 0.4 |
5.0 ± 0.1 |
10.8 ± 0.1 |
50.2 ± 0.5 |
11.62 ± 0.19 |
1.16 ± 0.01 |
| MX3 |
63.6 ± 0.4 |
3.1 ± 0.1 |
6.8 ± 0.1 |
50.4 ± 0.5 |
20.29 ± 0.35 |
1.26 ± 0.01 |
| RH8 |
57.6 ± 0.5 |
3.6 ± 0.1 |
7.8 ± 0.1 |
50.3 ± 0.5 |
16.02 ± 0.27 |
1.14 ± 0.01 |
| RH9 |
58.2 ± 0.4 |
3.2 ± 0.1 |
6.9 ± 0.1 |
50.4 ± 0.5 |
18.32 ± 0.31 |
1.16 ± 0.01 |
| RH10 |
58.2 ± 0.4 |
3.2 ± 0.1 |
6.9 ± 0.1 |
50.4 ± 0.5 |
18.32 ± 0.31 |
1.16 ± 0.01 |
| Average |
51.2 |
6.4 |
13.1 |
49.6 |
14.0 |
1.0 |
| Median |
58.2 |
3.6 |
7.8 |
50.3 |
18.3 |
1.2 |
| Deviation |
24.5 |
6.9 |
13.0 |
1.9 |
7.0 |
0.5 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-4.5 ± 2.4 |
35.3 ± 3.8 |
44.1 ± 1.8 |
44.3 ± 1.8 |
-0.13 ± 0.07 |
-0.10 ± 0.05 |
| VC |
37.0 ± 1.2 |
4.6 ± 0.3 |
7.4 ± 0.3 |
56.5 ± 3.2 |
7.99 ± 0.54 |
0.66 ± 0.03 |
| MX1 |
32.5 ± 1.2 |
8.3 ± 0.6 |
13.2 ± 0.5 |
56.1 ± 3.1 |
3.93 ± 0.28 |
0.58 ± 0.03 |
| MX2 |
33.4 ± 1.0 |
6.7 ± 0.5 |
10.7 ± 0.4 |
56.3 ± 3.1 |
5.01 ± 0.38 |
0.60 ± 0.03 |
| MX3 |
36.8 ± 0.9 |
4.2 ± 0.3 |
6.7 ± 0.3 |
56.5 ± 3.2 |
8.82 ± 0.76 |
0.65 ± 0.04 |
| RH8 |
33.3 ± 0.9 |
4.8 ± 0.4 |
7.7 ± 0.3 |
56.5 ± 3.2 |
6.95 ± 0.58 |
0.59 ± 0.04 |
| RH9 |
33.7 ± 0.9 |
4.2 ± 0.3 |
6.8 ± 0.3 |
56.5 ± 3.2 |
7.96 ± 0.67 |
0.60 ± 0.04 |
| RH10 |
33.7 ± 0.9 |
4.2 ± 0.3 |
6.8 ± 0.3 |
56.5 ± 3.2 |
7.96 ± 0.67 |
0.60 ± 0.04 |
| Average |
29.5 |
9.1 |
12.9 |
54.9 |
6.1 |
0.5 |
| Median |
33.7 |
4.8 |
7.7 |
56.5 |
8.0 |
0.6 |
| Deviation |
13.8 |
10.7 |
12.8 |
4.3 |
3.0 |
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)
| 
