Database: Wind Shock Analysis
Event ID: 19953580557
Observation time: 12/24/1995 358.24832 0557 [UT]
|
|
General
Information (About, Top)
| Year |
1995 |
| Fractional day of year |
358.248316 |
| Arrival time of shock [seconds of day] |
21454.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
29.540 |
| Y GSE location of spacecraft [Re] |
-36.651 |
| Z GSE location of spacecraft [Re] |
0.537 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0256 |
| Downstream plasma points selected for analysis |
0006
|
| Downstream field points selected for analysis |
0187 |
| Minimum chisq/dof for RH8,RH9,RH10 |
5.76, 21.54, 22.30 |
Event added to database
|
Mon Feb 14 11:01:55 2005
|
Event last processed
|
Mon Mar 30 16:03:41 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
3.832 ± 0.320
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-331.4 ± 2.8 |
-379.5 ± 2.0 |
| Vy GSE [km/s] |
-36.1 ± 2.2 |
-66.6 ± 2.8 |
| Vz GSE [km/s] |
-34.5 ± 1.6 |
-65.3 ± 2.3 |
| Wi [km/s] |
18.3 ± 0.9 |
30.7 ± 1.2 |
| We [km/s] |
577.7 ± 27.5 |
969.7 ± 37.9 |
| Ni [n/cc] |
16.4 ± 1.5 |
41.8 ± 4.8 |
| Bx GSE [nT] |
-5.3 ± 0.3 |
-9.3 ± 0.4 |
| By GSE [nT] |
2.5 ± 0.6 |
7.7 ± 1.2 |
| Bz GSE [nT] |
2.4 ± 0.4 |
7.3 ± 1.9 |
Plasma Beta
|
0.291 ± 0.263
|
0.419 ± 0.386
|
Sound Speed [km/s]
|
23.58 ± 1.12
|
39.59 ± 1.55
|
Alfven Speed [km/s]
|
34.41 ± 2.91
|
48.17 ± 4.57
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.933 ± 0.124 |
-0.266 ± 0.314 |
-0.242 ± 0.237 |
-14.02 ± 21.22 |
195.88 ± 19.21 |
| VC |
-0.744 ± 0.037 |
-0.471 ± 0.054 |
-0.474 ± 0.435 |
-28.28 ± 2.26 |
212.34 ± 4.07 |
| MX1 |
-0.872 ± 0.020 |
-0.339 ± 0.040 |
-0.353 ± 0.338 |
-20.70 ± 2.29 |
201.27 ± 2.58 |
| MX2 |
-0.867 ± 0.020 |
-0.345 ± 0.033 |
-0.359 ± 0.342 |
-21.01 ± 2.60 |
201.71 ± 2.15 |
| MX3 |
-0.864 ± 0.025 |
-0.350 ± 0.037 |
-0.362 ± 0.345 |
-21.22 ± 3.55 |
202.03 ± 2.41 |
| RH08 |
-0.906 ± 0.006 |
-0.304 ± 0.013 |
-0.296 ± 0.287 |
-17.22 ± 0.69 |
198.55 ± 0.82 |
| RH09 |
-0.969 ± 0.017 |
-0.198 ± 0.069 |
-0.151 ± 0.150 |
-8.68 ± 4.03 |
191.53 ± 4.07 |
| RH10 |
-0.972 ± 0.017 |
-0.181 ± 0.069 |
-0.151 ± 0.150 |
-8.68 ± 4.03 |
190.53 ± 4.07 |
| Average |
-0.891 |
-0.307 |
-0.298 |
-17.475 |
199.231 |
| Median |
-0.872 |
-0.304 |
-0.296 |
-17.223 |
201.266 |
| Deviation |
0.073 |
0.093 |
0.112 |
6.766 |
6.935 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
54.4 ± 3.3 |
426.8 ± 11.4 |
2.60 ± 0.28 |
| VC |
75.1 ± 3.3 |
385.7 ± 11.4 |
2.60 ± 0.28 |
| MX1 |
62.6 ± 3.3 |
416.6 ± 11.6 |
2.60 ± 0.28 |
| MX2 |
63.1 ± 3.3 |
415.7 ± 11.6 |
2.60 ± 0.28 |
| MX3 |
63.5 ± 3.3 |
415.0 ± 11.6 |
2.60 ± 0.28 |
| RH08 |
58.4 ± 3.3 |
422.8 ± 11.5 |
2.60 ± 0.28 |
| RH09 |
47.7 ± 3.3 |
428.7 ± 11.2 |
2.60 ± 0.28 |
| RH10 |
47.0 ± 3.2 |
428.7 ± 11.2 |
2.60 ± 0.28 |
| Average |
59.0 |
417.5 |
2.60 |
| Median |
62.6 |
422.8 |
2.60 |
| Deviation |
9.3 |
14.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
99.6 ± 2.4 |
11.8 ± 0.3 |
20.0 ± 1.7 |
40.1 ± 2.1 |
8.48 ± 0.27 |
2.49 ± 0.17 |
| VC |
105.8 ± 2.0 |
5.0 ± 0.1 |
8.8 ± 0.7 |
41.5 ± 2.1 |
21.13 ± 0.56 |
2.56 ± 0.15 |
| MX1 |
103.3 ± 2.2 |
9.1 ± 0.2 |
15.8 ± 1.3 |
40.8 ± 2.1 |
11.31 ± 0.34 |
2.54 ± 0.16 |
| MX2 |
103.5 ± 2.2 |
9.0 ± 0.2 |
15.6 ± 1.3 |
40.8 ± 2.1 |
11.54 ± 0.34 |
2.54 ± 0.16 |
| MX3 |
103.6 ± 2.2 |
8.9 ± 0.2 |
15.4 ± 1.3 |
40.8 ± 2.1 |
11.71 ± 0.35 |
2.54 ± 0.16 |
| RH8 |
101.5 ± 2.3 |
10.5 ± 0.3 |
18.0 ± 1.5 |
40.4 ± 2.1 |
9.69 ± 0.30 |
2.52 ± 0.17 |
| RH9 |
95.4 ± 2.5 |
13.8 ± 0.4 |
23.2 ± 2.0 |
39.4 ± 2.1 |
6.91 ± 0.24 |
2.43 ± 0.18 |
| RH10 |
94.9 ± 2.5 |
14.0 ± 0.4 |
23.5 ± 2.0 |
39.3 ± 2.1 |
6.76 ± 0.23 |
2.42 ± 0.18 |
| Average |
100.9 |
10.3 |
17.5 |
40.4 |
10.9 |
2.5 |
| Median |
103.3 |
10.5 |
18.0 |
40.8 |
11.3 |
2.5 |
| Deviation |
4.0 |
3.0 |
4.8 |
0.7 |
4.6 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
39.1 ± 0.9 |
18.6 ± 0.7 |
28.0 ± 2.7 |
59.6 ± 3.1 |
2.11 ± 0.11 |
0.66 ± 0.04 |
| VC |
41.0 ± 1.2 |
7.9 ± 0.3 |
12.4 ± 1.2 |
61.9 ± 3.1 |
5.21 ± 0.17 |
0.66 ± 0.03 |
| MX1 |
40.1 ± 0.7 |
14.4 ± 0.6 |
22.2 ± 2.1 |
60.8 ± 3.1 |
2.79 ± 0.12 |
0.66 ± 0.04 |
| MX2 |
40.1 ± 0.7 |
14.1 ± 0.5 |
21.8 ± 2.1 |
60.8 ± 3.1 |
2.84 ± 0.12 |
0.66 ± 0.03 |
| MX3 |
40.2 ± 0.7 |
14.0 ± 0.5 |
21.5 ± 2.0 |
60.9 ± 3.1 |
2.88 ± 0.12 |
0.66 ± 0.03 |
| RH8 |
39.6 ± 0.8 |
16.5 ± 0.6 |
25.2 ± 2.4 |
60.2 ± 3.1 |
2.39 ± 0.11 |
0.66 ± 0.04 |
| RH9 |
38.1 ± 1.2 |
21.9 ± 0.8 |
32.4 ± 3.1 |
58.5 ± 3.1 |
1.74 ± 0.11 |
0.65 ± 0.05 |
| RH10 |
37.9 ± 1.2 |
22.2 ± 0.8 |
32.9 ± 3.1 |
58.3 ± 3.1 |
1.71 ± 0.11 |
0.65 ± 0.05 |
| Average |
39.5 |
16.2 |
24.5 |
60.1 |
2.7 |
0.7 |
| Median |
40.1 |
16.5 |
25.2 |
60.8 |
2.8 |
0.7 |
| Deviation |
1.1 |
4.7 |
6.7 |
1.2 |
1.1 |
0.0 |
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)
| 
