Database: Wind Shock Analysis
Event ID: 20012302023
Observation time: 08/18/2001 230.84945 2023 [UT]
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|
General
Information (About, Top)
| Year |
2001 |
| Fractional day of year |
230.849447 |
| Arrival time of shock [seconds of day] |
73392.2 ± 60.0 |
| Shock type |
FR |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
42.550 |
| Y GSE location of spacecraft [Re] |
296.063 |
| Z GSE location of spacecraft [Re] |
18.420 |
| Upstream plasma points selected for analysis |
0008 |
| Upstream field points selected for analysis |
0251 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0226 |
| Minimum chisq/dof for RH8,RH9,RH10 |
23.08, 64.95, 66.67 |
Event added to database
|
Mon Feb 14 11:14:49 2005
|
Event last processed
|
Mon Mar 30 21:26:14 2009
|
Method selected
|
RH09
|
Propagation delay to Earth [minutes]
|
20.840 ± 5.149
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-482.1 ± 1.6 |
-510.9 ± 1.2 |
| Vy GSE [km/s] |
14.7 ± 1.0 |
-0.7 ± 0.8 |
| Vz GSE [km/s] |
20.3 ± 1.2 |
1.8 ± 0.9 |
| Wi [km/s] |
18.6 ± 0.9 |
13.5 ± 1.3 |
| We [km/s] |
588.2 ± 27.0 |
425.7 ± 40.2 |
| Ni [n/cc] |
26.1 ± 1.2 |
6.1 ± 0.7 |
| Bx GSE [nT] |
-3.7 ± 0.1 |
-1.5 ± 0.2 |
| By GSE [nT] |
0.2 ± 0.2 |
-1.0 ± 0.2 |
| Bz GSE [nT] |
5.5 ± 0.3 |
2.2 ± 0.2 |
Plasma Beta
|
0.439 ± 0.452
|
0.299 ± 0.307
|
Sound Speed [km/s]
|
24.01 ± 1.10
|
17.38 ± 1.64
|
Alfven Speed [km/s]
|
28.19 ± 0.97
|
25.02 ± 1.62
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.733 ± 0.747 |
-0.679 ± 0.807 |
0.049 ± 0.049 |
2.80 ± 16.93 |
222.80 ± 63.06 |
| VC |
-0.768 ± 0.022 |
-0.408 ± 0.025 |
-0.494 ± 0.449 |
-29.59 ± 2.30 |
208.01 ± 1.76 |
| MX1 |
-0.815 ± 0.034 |
-0.404 ± 0.041 |
-0.415 ± 0.389 |
-24.50 ± 4.40 |
206.38 ± 2.70 |
| MX2 |
-0.807 ± 0.035 |
-0.438 ± 0.030 |
-0.396 ± 0.374 |
-23.32 ± 5.36 |
208.50 ± 1.73 |
| MX3 |
-0.819 ± 0.036 |
-0.386 ± 0.055 |
-0.424 ± 0.397 |
-25.10 ± 3.92 |
205.22 ± 3.73 |
| RH08 |
-0.571 ± 0.021 |
0.626 ± 0.019 |
-0.531 ± 0.474 |
-32.05 ± 0.42 |
132.37 ± 1.88 |
| RH09 |
-0.893 ± 0.031 |
-0.134 ± 0.069 |
-0.430 ± 0.401 |
-25.48 ± 4.00 |
188.52 ± 4.41 |
| RH10 |
-0.893 ± 0.031 |
-0.134 ± 0.069 |
-0.430 ± 0.401 |
-25.48 ± 4.00 |
188.52 ± 4.41 |
| Average |
-0.787 |
-0.245 |
-0.384 |
-22.840 |
195.042 |
| Median |
-0.807 |
-0.386 |
-0.424 |
-25.100 |
206.384 |
| Deviation |
0.103 |
0.393 |
0.180 |
10.754 |
27.685 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
64.3 ± 2.4 |
335.0 ± 2.1 |
0.23 ± 0.04 |
| VC |
89.4 ± 2.2 |
342.6 ± 2.1 |
0.23 ± 0.04 |
| MX1 |
84.1 ± 2.2 |
367.3 ± 2.2 |
0.23 ± 0.04 |
| MX2 |
83.6 ± 2.3 |
363.2 ± 2.2 |
0.23 ± 0.04 |
| MX3 |
84.4 ± 2.2 |
369.3 ± 2.2 |
0.23 ± 0.04 |
| RH08 |
83.9 ± 1.3 |
268.4 ± 1.5 |
0.23 ± 0.04 |
| RH09 |
82.0 ± 2.0 |
408.6 ± 2.2 |
0.23 ± 0.04 |
| RH10 |
82.0 ± 2.0 |
408.6 ± 2.2 |
0.23 ± 0.04 |
| Average |
81.7 |
357.9 |
0.23 |
| Median |
83.9 |
367.3 |
0.23 |
| Deviation |
7.4 |
44.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-9.3 ± 1.5 |
8.1 ± 0.2 |
12.2 ± 0.4 |
36.2 ± 0.7 |
-1.15 ± 0.16 |
-0.26 ± 0.04 |
| VC |
-11.5 ± 1.4 |
0.2 ± 0.0 |
0.3 ± 0.0 |
37.1 ± 0.7 |
-63.49 ± 6.81 |
-0.31 ± 0.03 |
| MX1 |
-11.3 ± 1.5 |
1.9 ± 0.0 |
2.9 ± 0.1 |
37.0 ± 0.7 |
-6.08 ± 0.68 |
-0.31 ± 0.04 |
| MX2 |
-11.3 ± 1.5 |
2.1 ± 0.0 |
3.2 ± 0.1 |
37.0 ± 0.7 |
-5.50 ± 0.62 |
-0.31 ± 0.04 |
| MX3 |
-11.4 ± 1.5 |
1.8 ± 0.0 |
2.7 ± 0.1 |
37.0 ± 0.7 |
-6.42 ± 0.72 |
-0.31 ± 0.04 |
| RH8 |
-5.3 ± 1.2 |
1.9 ± 0.0 |
3.0 ± 0.1 |
37.0 ± 0.7 |
-2.70 ± 0.60 |
-0.14 ± 0.03 |
| RH9 |
-11.1 ± 1.5 |
2.5 ± 0.1 |
3.9 ± 0.1 |
37.0 ± 0.7 |
-4.37 ± 0.52 |
-0.30 ± 0.04 |
| RH10 |
-11.1 ± 1.5 |
2.5 ± 0.1 |
3.9 ± 0.1 |
37.0 ± 0.7 |
-4.37 ± 0.52 |
-0.30 ± 0.04 |
| Average |
-10.3 |
2.6 |
4.0 |
36.9 |
-11.8 |
-0.3 |
| Median |
-11.1 |
2.1 |
3.2 |
37.0 |
-4.4 |
-0.3 |
| Deviation |
2.1 |
2.3 |
3.5 |
0.3 |
21.0 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-39.9 ± 1.4 |
6.3 ± 0.4 |
10.9 ± 0.7 |
29.9 ± 1.0 |
-6.38 ± 0.66 |
-1.34 ± 0.07 |
| VC |
-49.0 ± 1.4 |
0.1 ± 0.0 |
0.2 ± 0.0 |
30.5 ± 1.0 |
-350.75 ± 33.20 |
-1.61 ± 0.08 |
| MX1 |
-48.7 ± 1.4 |
1.4 ± 0.1 |
2.6 ± 0.2 |
30.5 ± 1.0 |
-33.77 ± 3.22 |
-1.60 ± 0.08 |
| MX2 |
-48.6 ± 1.4 |
1.6 ± 0.1 |
2.8 ± 0.2 |
30.5 ± 1.0 |
-30.64 ± 2.93 |
-1.60 ± 0.08 |
| MX3 |
-48.7 ± 1.4 |
1.4 ± 0.1 |
2.4 ± 0.2 |
30.5 ± 1.0 |
-35.63 ± 3.39 |
-1.60 ± 0.08 |
| RH8 |
-22.0 ± 0.7 |
1.5 ± 0.1 |
2.7 ± 0.2 |
30.5 ± 1.0 |
-14.56 ± 1.24 |
-0.72 ± 0.04 |
| RH9 |
-46.8 ± 1.3 |
2.0 ± 0.1 |
3.5 ± 0.2 |
30.5 ± 1.0 |
-23.87 ± 2.25 |
-1.54 ± 0.07 |
| RH10 |
-46.8 ± 1.3 |
2.0 ± 0.1 |
3.5 ± 0.2 |
30.5 ± 1.0 |
-23.87 ± 2.25 |
-1.54 ± 0.07 |
| Average |
-43.8 |
2.0 |
3.6 |
30.4 |
-64.9 |
-1.4 |
| Median |
-46.8 |
1.6 |
2.8 |
30.5 |
-23.9 |
-1.5 |
| Deviation |
9.3 |
1.8 |
3.1 |
0.2 |
115.9 |
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)
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