Database: Wind Shock Analysis
Event ID: 20011430421
Observation time: 05/23/2001 143.18193 0421 [UT]
|
|
General
Information (About, Top)
| Year |
2001 |
| Fractional day of year |
143.181927 |
| Arrival time of shock [seconds of day] |
15718.5 ± 6.0 |
| Shock type |
SR |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
59.673 |
| Y GSE location of spacecraft [Re] |
-141.543 |
| Z GSE location of spacecraft [Re] |
-9.360 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0314 |
| Downstream plasma points selected for analysis |
0010
|
| Downstream field points selected for analysis |
0322 |
| Minimum chisq/dof for RH8,RH9,RH10 |
1.78, 4.89, 5.01 |
Event added to database
|
Mon Feb 14 11:14:02 2005
|
Event last processed
|
Mon Mar 30 21:06:24 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
3.707 ± 1.291
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-314.2 ± 5.7 |
-329.8 ± 1.4 |
| Vy GSE [km/s] |
-45.3 ± 11.9 |
-26.9 ± 4.6 |
| Vz GSE [km/s] |
14.3 ± 5.7 |
2.2 ± 5.5 |
| Wi [km/s] |
36.9 ± 1.7 |
33.7 ± 0.9 |
| We [km/s] |
1166.2 ± 54.4 |
1065.1 ± 28.4 |
| Ni [n/cc] |
37.6 ± 1.1 |
16.5 ± 1.0 |
| Bx GSE [nT] |
-3.1 ± 3.5 |
-4.6 ± 1.5 |
| By GSE [nT] |
2.2 ± 3.6 |
13.6 ± 0.9 |
| Bz GSE [nT] |
-0.9 ± 2.3 |
2.0 ± 3.9 |
Plasma Beta
|
2.720 ± 2.485
|
0.175 ± 0.182
|
Sound Speed [km/s]
|
47.61 ± 2.22
|
43.48 ± 1.16
|
Alfven Speed [km/s]
|
23.04 ± 3.03
|
80.76 ± 3.18
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.964 ± 0.147 |
-0.029 ± 0.579 |
-0.264 ± 0.257 |
-15.28 ± 31.70 |
181.73 ± 34.39 |
| VC |
-0.664 ± 0.313 |
0.579 ± 0.347 |
-0.474 ± 0.435 |
-28.29 ± 20.04 |
138.93 ± 28.44 |
| MX1 |
-0.995 ± 0.074 |
-0.067 ± 0.730 |
-0.069 ± 0.069 |
-3.95 ± 45.81 |
183.84 ± 42.02 |
| MX2 |
-0.804 ± 0.386 |
0.195 ± 0.504 |
-0.561 ± 0.493 |
-34.14 ± 38.54 |
166.36 ± 35.35 |
| MX3 |
-0.836 ± 0.309 |
0.183 ± 0.425 |
-0.518 ± 0.466 |
-31.17 ± 33.48 |
167.62 ± 28.78 |
| RH08 |
-0.794 ± 0.015 |
-0.298 ± 0.012 |
0.531 ± 0.474 |
32.05 ± 1.67 |
200.56 ± 0.79 |
| RH09 |
-0.758 ± 0.046 |
-0.284 ± 0.067 |
0.587 ± 0.508 |
35.92 ± 4.03 |
200.56 ± 4.90 |
| RH10 |
-0.766 ± 0.045 |
-0.287 ± 0.067 |
0.575 ± 0.501 |
35.13 ± 3.99 |
200.56 ± 4.90 |
| Average |
-0.823 |
-0.001 |
-0.024 |
-1.217 |
180.019 |
| Median |
-0.794 |
-0.029 |
-0.069 |
-3.950 |
183.845 |
| Deviation |
0.109 |
0.308 |
0.512 |
30.998 |
21.751 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
42.6 ± 28.0 |
286.2 ± 10.8 |
0.44 ± 0.02 |
| VC |
40.7 ± 19.1 |
153.2 ± 13.1 |
0.44 ± 0.02 |
| MX1 |
48.2 ± 24.2 |
302.7 ± 10.1 |
0.44 ± 0.02 |
| MX2 |
39.4 ± 25.1 |
219.9 ± 11.1 |
0.44 ± 0.02 |
| MX3 |
38.6 ± 26.0 |
231.2 ± 11.1 |
0.44 ± 0.02 |
| RH08 |
78.1 ± 16.7 |
270.1 ± 5.7 |
0.44 ± 0.02 |
| RH09 |
79.3 ± 14.7 |
259.9 ± 5.4 |
0.44 ± 0.02 |
| RH10 |
79.1 ± 15.1 |
262.3 ± 5.4 |
0.44 ± 0.02 |
| Average |
55.7 |
248.2 |
0.44 |
| Median |
48.2 |
262.3 |
0.44 |
| Deviation |
19.3 |
46.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-14.4 ± 6.0 |
16.0 ± 1.8 |
17.0 ± 2.2 |
50.5 ± 1.9 |
-0.93 ± 0.44 |
-0.29 ± 0.12 |
| VC |
-22.4 ± 7.5 |
16.5 ± 1.9 |
17.5 ± 2.3 |
50.3 ± 1.9 |
-1.40 ± 0.59 |
-0.44 ± 0.14 |
| MX1 |
-12.1 ± 5.7 |
14.3 ± 1.6 |
15.4 ± 2.0 |
51.0 ± 1.9 |
-0.87 ± 0.46 |
-0.24 ± 0.11 |
| MX2 |
-16.0 ± 6.0 |
16.8 ± 1.9 |
17.8 ± 2.3 |
50.2 ± 1.9 |
-0.98 ± 0.43 |
-0.32 ± 0.12 |
| MX3 |
-15.7 ± 6.0 |
17.1 ± 2.0 |
18.0 ± 2.4 |
50.1 ± 1.9 |
-0.95 ± 0.43 |
-0.31 ± 0.12 |
| RH8 |
-0.4 ± 3.2 |
4.3 ± 0.4 |
4.7 ± 0.6 |
52.8 ± 1.9 |
-0.11 ± 0.79 |
-0.01 ± 0.06 |
| RH9 |
0.3 ± 3.0 |
3.8 ± 0.4 |
4.3 ± 0.6 |
52.8 ± 1.9 |
0.06 ± 0.82 |
0.01 ± 0.06 |
| RH10 |
0.4 ± 3.0 |
3.9 ± 0.4 |
4.4 ± 0.6 |
52.8 ± 1.9 |
0.07 ± 0.81 |
0.01 ± 0.06 |
| Average |
-10.0 |
11.6 |
12.4 |
51.3 |
-0.6 |
-0.2 |
| Median |
-12.1 |
16.0 |
17.0 |
51.0 |
-0.9 |
-0.2 |
| Deviation |
8.9 |
6.3 |
6.6 |
1.3 |
0.6 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-32.0 ± 1.8 |
29.8 ± 0.7 |
59.5 ± 2.3 |
86.8 ± 2.9 |
-1.08 ± 0.07 |
-0.37 ± 0.02 |
| VC |
-49.1 ± 2.4 |
30.8 ± 0.7 |
61.2 ± 2.4 |
86.4 ± 2.9 |
-1.60 ± 0.08 |
-0.57 ± 0.02 |
| MX1 |
-27.2 ± 1.3 |
26.7 ± 0.6 |
53.9 ± 2.1 |
87.8 ± 2.9 |
-1.02 ± 0.06 |
-0.31 ± 0.02 |
| MX2 |
-38.9 ± 2.6 |
31.5 ± 0.7 |
62.4 ± 2.5 |
86.2 ± 2.9 |
-1.24 ± 0.09 |
-0.45 ± 0.03 |
| MX3 |
-38.4 ± 2.5 |
31.9 ± 0.7 |
63.1 ± 2.5 |
86.0 ± 2.9 |
-1.20 ± 0.09 |
-0.45 ± 0.03 |
| RH8 |
-0.8 ± 2.4 |
7.9 ± 0.2 |
16.6 ± 0.7 |
91.4 ± 2.8 |
-0.10 ± 0.30 |
-0.01 ± 0.03 |
| RH9 |
0.9 ± 2.6 |
7.1 ± 0.2 |
15.0 ± 0.6 |
91.5 ± 2.8 |
0.12 ± 0.37 |
0.01 ± 0.03 |
| RH10 |
0.7 ± 2.6 |
7.3 ± 0.2 |
15.3 ± 0.6 |
91.4 ± 2.8 |
0.10 ± 0.35 |
0.01 ± 0.03 |
| Average |
-23.1 |
21.6 |
43.4 |
88.4 |
-0.8 |
-0.3 |
| Median |
-27.2 |
29.8 |
59.5 |
87.8 |
-1.0 |
-0.3 |
| Deviation |
20.3 |
11.9 |
23.1 |
2.5 |
0.7 |
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)
| 
