Database: Wind Shock Analysis
Event ID: 20011080049
Observation time: 04/18/2001 108.03460 0049 [UT]
|
|
General
Information (About, Top)
| Year |
2001 |
| Fractional day of year |
108.034601 |
| Arrival time of shock [seconds of day] |
2989.5 ± 6.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
5.562 |
| Y GSE location of spacecraft [Re] |
-263.428 |
| Z GSE location of spacecraft [Re] |
-2.682 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0292 |
| Downstream plasma points selected for analysis |
0009
|
| Downstream field points selected for analysis |
0299 |
| Minimum chisq/dof for RH8,RH9,RH10 |
14.92, 58.08, 61.66 |
Event added to database
|
Mon Feb 14 11:13:34 2005
|
Event last processed
|
Mon Mar 30 20:54:07 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
-0.250 ± 0.429
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-362.7 ± 4.9 |
-510.1 ± 7.3 |
| Vy GSE [km/s] |
-19.3 ± 1.9 |
-22.9 ± 5.0 |
| Vz GSE [km/s] |
7.2 ± 1.1 |
20.7 ± 7.3 |
| Wi [km/s] |
29.1 ± 1.0 |
50.2 ± 4.8 |
| We [km/s] |
919.5 ± 31.3 |
1586.2 ± 152.1 |
| Ni [n/cc] |
7.0 ± 0.3 |
17.5 ± 2.3 |
| Bx GSE [nT] |
2.2 ± 0.8 |
-2.5 ± 0.8 |
| By GSE [nT] |
-5.1 ± 0.2 |
-10.4 ± 3.4 |
| Bz GSE [nT] |
1.7 ± 0.6 |
-11.2 ± 3.5 |
Plasma Beta
|
0.373 ± 0.349
|
0.356 ± 0.358
|
Sound Speed [km/s]
|
37.54 ± 1.28
|
64.76 ± 6.21
|
Alfven Speed [km/s]
|
48.04 ± 3.19
|
84.70 ± 3.67
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.390 ± 0.135 |
0.885 ± 0.081 |
-0.257 ± 0.251 |
-14.86 ± 13.61 |
113.77 ± 8.57 |
| VC |
-0.995 ± 0.005 |
-0.024 ± 0.033 |
0.092 ± 0.092 |
5.27 ± 2.80 |
181.40 ± 1.92 |
| MX1 |
-0.993 ± 0.097 |
0.113 ± 0.846 |
0.041 ± 0.041 |
2.33 ± 16.23 |
173.51 ± 48.82 |
| MX2 |
-0.954 ± 0.021 |
0.147 ± 0.090 |
0.262 ± 0.256 |
15.17 ± 3.51 |
171.26 ± 5.38 |
| MX3 |
-0.952 ± 0.019 |
0.073 ± 0.076 |
0.297 ± 0.288 |
17.27 ± 3.54 |
175.61 ± 4.56 |
| RH08 |
-0.999 ± 0.000 |
-0.026 ± 0.010 |
0.028 ± 0.028 |
1.60 ± 0.67 |
181.50 ± 0.55 |
| RH09 |
-0.993 ± 0.008 |
-0.009 ± 0.070 |
-0.117 ± 0.117 |
-6.74 ± 4.01 |
180.50 ± 4.07 |
| RH10 |
-0.976 ± 0.015 |
0.026 ± 0.071 |
-0.218 ± 0.214 |
-12.58 ± 3.97 |
178.50 ± 4.16 |
| Average |
-0.906 |
0.148 |
0.016 |
0.933 |
169.506 |
| Median |
-0.976 |
0.073 |
0.041 |
2.333 |
178.496 |
| Deviation |
0.210 |
0.304 |
0.204 |
11.844 |
22.835 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
8.1 ± 5.2 |
206.6 ± 12.8 |
2.48 ± 0.30 |
| VC |
71.4 ± 6.8 |
608.3 ± 37.9 |
2.48 ± 0.30 |
| MX1 |
63.1 ± 6.9 |
603.3 ± 37.1 |
2.48 ± 0.30 |
| MX2 |
66.1 ± 5.2 |
583.2 ± 36.8 |
2.48 ± 0.30 |
| MX3 |
70.7 ± 5.1 |
584.2 ± 37.2 |
2.48 ± 0.30 |
| RH08 |
70.4 ± 7.2 |
609.6 ± 37.7 |
2.48 ± 0.30 |
| RH09 |
67.0 ± 8.0 |
601.2 ± 36.7 |
2.48 ± 0.30 |
| RH10 |
63.7 ± 8.5 |
586.8 ± 35.5 |
2.48 ± 0.30 |
| Average |
60.1 |
547.9 |
2.48 |
| Median |
67.0 |
601.2 |
2.48 |
| Deviation |
21.3 |
138.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
84.2 ± 1.0 |
36.6 ± 1.1 |
47.6 ± 3.2 |
48.8 ± 2.9 |
2.30 ± 0.07 |
1.73 ± 0.10 |
| VC |
246.1 ± 4.9 |
9.5 ± 0.3 |
15.3 ± 1.0 |
60.3 ± 2.3 |
25.89 ± 0.44 |
4.09 ± 0.09 |
| MX1 |
245.2 ± 4.7 |
13.7 ± 0.4 |
21.7 ± 1.4 |
59.5 ± 2.3 |
17.89 ± 0.30 |
4.13 ± 0.09 |
| MX2 |
238.2 ± 4.4 |
12.2 ± 0.3 |
19.5 ± 1.3 |
59.8 ± 2.3 |
19.51 ± 0.33 |
3.99 ± 0.09 |
| MX3 |
238.2 ± 4.5 |
9.9 ± 0.3 |
15.9 ± 1.1 |
60.2 ± 2.3 |
24.10 ± 0.41 |
3.96 ± 0.09 |
| RH8 |
246.5 ± 4.9 |
10.1 ± 0.3 |
16.1 ± 1.1 |
60.2 ± 2.3 |
24.52 ± 0.41 |
4.10 ± 0.09 |
| RH9 |
241.7 ± 4.9 |
11.7 ± 0.3 |
18.7 ± 1.2 |
59.9 ± 2.3 |
20.60 ± 0.35 |
4.04 ± 0.08 |
| RH10 |
235.0 ± 4.8 |
13.4 ± 0.4 |
21.3 ± 1.4 |
59.5 ± 2.3 |
17.56 ± 0.30 |
3.95 ± 0.08 |
| Average |
221.9 |
14.6 |
22.0 |
58.5 |
19.0 |
3.7 |
| Median |
241.7 |
12.2 |
19.5 |
59.9 |
20.6 |
4.0 |
| Deviation |
55.8 |
9.0 |
10.6 |
3.9 |
7.5 |
0.8 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
33.4 ± 5.9 |
63.1 ± 5.3 |
83.9 ± 3.6 |
86.0 ± 3.5 |
0.53 ± 0.11 |
0.39 ± 0.06 |
| VC |
98.1 ± 7.2 |
16.5 ± 0.9 |
27.0 ± 1.2 |
105.5 ± 4.5 |
5.95 ± 0.55 |
0.93 ± 0.07 |
| MX1 |
98.7 ± 7.3 |
23.8 ± 1.4 |
38.3 ± 1.7 |
104.1 ± 4.4 |
4.16 ± 0.39 |
0.95 ± 0.07 |
| MX2 |
94.5 ± 7.0 |
21.2 ± 1.2 |
34.3 ± 1.5 |
104.6 ± 4.4 |
4.47 ± 0.39 |
0.90 ± 0.06 |
| MX3 |
94.1 ± 7.0 |
17.2 ± 1.0 |
28.0 ± 1.2 |
105.4 ± 4.5 |
5.49 ± 0.47 |
0.89 ± 0.06 |
| RH8 |
98.7 ± 7.2 |
17.5 ± 1.0 |
28.5 ± 1.2 |
105.3 ± 4.5 |
5.67 ± 0.53 |
0.94 ± 0.07 |
| RH9 |
96.9 ± 7.4 |
20.4 ± 1.2 |
33.0 ± 1.4 |
104.8 ± 4.4 |
4.77 ± 0.48 |
0.93 ± 0.07 |
| RH10 |
94.2 ± 7.5 |
23.2 ± 1.3 |
37.5 ± 1.6 |
104.2 ± 4.4 |
4.07 ± 0.43 |
0.91 ± 0.07 |
| Average |
88.6 |
25.4 |
38.8 |
102.5 |
4.4 |
0.9 |
| Median |
96.9 |
21.2 |
34.3 |
104.8 |
4.8 |
0.9 |
| Deviation |
22.4 |
15.5 |
18.7 |
6.7 |
1.7 |
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)
| 
