Database: Wind Shock Analysis
Event ID: 20011381609
Observation time: 05/18/2001 138.67342 1609 [UT]
|
|
General
Information (About, Top)
| Year |
2001 |
| Fractional day of year |
138.673420 |
| Arrival time of shock [seconds of day] |
58183.5 ± 9.0 |
| Shock type |
SF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
44.102 |
| Y GSE location of spacecraft [Re] |
-171.883 |
| Z GSE location of spacecraft [Re] |
-9.500 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0171 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0256 |
| Minimum chisq/dof for RH8,RH9,RH10 |
5.09, 5.62, 5.85 |
Event added to database
|
Mon Feb 14 11:13:58 2005
|
Event last processed
|
Mon Mar 30 21:04:28 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
-0.675 ± 0.611
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-412.9 ± 2.8 |
-432.0 ± 6.5 |
| Vy GSE [km/s] |
-17.5 ± 2.6 |
21.0 ± 8.0 |
| Vz GSE [km/s] |
-14.9 ± 1.6 |
-24.2 ± 5.6 |
| Wi [km/s] |
35.8 ± 0.8 |
49.7 ± 4.1 |
| We [km/s] |
1131.1 ± 25.2 |
1572.0 ± 129.9 |
| Ni [n/cc] |
3.7 ± 0.3 |
5.0 ± 0.3 |
| Bx GSE [nT] |
-3.5 ± 0.1 |
-1.8 ± 0.6 |
| By GSE [nT] |
6.9 ± 0.2 |
-0.0 ± 0.7 |
| Bz GSE [nT] |
-0.3 ± 0.4 |
4.9 ± 0.6 |
Plasma Beta
|
0.163 ± 0.173
|
1.012 ± 1.010
|
Sound Speed [km/s]
|
46.18 ± 1.03
|
64.18 ± 5.30
|
Alfven Speed [km/s]
|
88.92 ± 5.17
|
51.63 ± 6.83
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.513 ± 0.087 |
0.439 ± 0.096 |
0.737 ± 0.560 |
47.51 ± 4.56 |
139.48 ± 9.80 |
| VC |
-0.437 ± 0.139 |
0.872 ± 0.075 |
-0.221 ± 0.217 |
-12.74 ± 8.37 |
116.62 ± 9.05 |
| MX1 |
-0.885 ± 0.402 |
0.348 ± 0.894 |
0.308 ± 0.298 |
17.95 ± 39.35 |
158.54 ± 57.61 |
| MX2 |
-0.532 ± 0.062 |
0.419 ± 0.064 |
0.736 ± 0.560 |
47.38 ± 4.46 |
141.73 ± 5.79 |
| MX3 |
-0.592 ± 0.153 |
0.392 ± 0.183 |
0.704 ± 0.555 |
44.74 ± 10.17 |
146.50 ± 16.35 |
| RH08 |
-0.962 ± 0.004 |
-0.267 ± 0.015 |
0.061 ± 0.061 |
3.52 ± 1.24 |
195.54 ± 0.87 |
| RH09 |
-0.962 ± 0.012 |
-0.267 ± 0.039 |
0.061 ± 0.061 |
3.52 ± 3.56 |
195.54 ± 2.34 |
| RH10 |
-0.962 ± 0.012 |
-0.267 ± 0.043 |
0.061 ± 0.061 |
3.52 ± 3.77 |
195.54 ± 2.53 |
| Average |
-0.731 |
0.208 |
0.306 |
19.426 |
161.187 |
| Median |
-0.592 |
0.392 |
0.308 |
17.949 |
158.539 |
| Deviation |
0.232 |
0.426 |
0.375 |
23.924 |
30.705 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
53.3 ± 3.0 |
268.5 ± 26.6 |
1.32 ± 0.11 |
| VC |
10.8 ± 2.9 |
331.1 ± 53.3 |
1.32 ± 0.11 |
| MX1 |
45.7 ± 2.2 |
459.9 ± 34.8 |
1.32 ± 0.11 |
| MX2 |
54.0 ± 3.0 |
275.5 ± 26.3 |
1.32 ± 0.11 |
| MX3 |
53.7 ± 3.0 |
302.8 ± 26.3 |
1.32 ± 0.11 |
| RH08 |
78.9 ± 1.4 |
437.6 ± 28.5 |
1.32 ± 0.11 |
| RH09 |
78.9 ± 1.4 |
437.6 ± 28.5 |
1.32 ± 0.11 |
| RH10 |
78.9 ± 1.4 |
437.6 ± 28.5 |
1.32 ± 0.11 |
| Average |
56.8 |
368.8 |
1.32 |
| Median |
54.0 |
437.6 |
1.32 |
| Deviation |
23.1 |
82.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
75.2 ± 1.8 |
25.3 ± 0.5 |
53.1 ± 3.1 |
97.0 ± 4.7 |
2.98 ± 0.11 |
0.78 ± 0.05 |
| VC |
162.5 ± 2.3 |
45.1 ± 1.0 |
87.3 ± 5.1 |
89.5 ± 5.1 |
3.61 ± 0.09 |
1.82 ± 0.12 |
| MX1 |
105.0 ± 2.4 |
30.0 ± 0.6 |
62.1 ± 3.6 |
95.6 ± 4.7 |
3.50 ± 0.10 |
1.10 ± 0.06 |
| MX2 |
74.3 ± 1.8 |
24.9 ± 0.5 |
52.3 ± 3.0 |
97.1 ± 4.7 |
2.99 ± 0.11 |
0.77 ± 0.05 |
| MX3 |
75.6 ± 1.9 |
25.1 ± 0.5 |
52.7 ± 3.1 |
97.0 ± 4.7 |
3.02 ± 0.11 |
0.78 ± 0.05 |
| RH8 |
36.9 ± 2.9 |
7.9 ± 0.2 |
17.2 ± 1.0 |
99.9 ± 4.6 |
4.65 ± 0.32 |
0.37 ± 0.03 |
| RH9 |
36.9 ± 2.9 |
7.9 ± 0.2 |
17.2 ± 1.0 |
99.9 ± 4.6 |
4.65 ± 0.32 |
0.37 ± 0.03 |
| RH10 |
36.9 ± 2.9 |
7.9 ± 0.2 |
17.2 ± 1.0 |
99.9 ± 4.6 |
4.65 ± 0.32 |
0.37 ± 0.03 |
| Average |
75.4 |
21.8 |
44.9 |
97.0 |
3.8 |
0.8 |
| Median |
75.2 |
25.1 |
52.7 |
97.1 |
3.6 |
0.8 |
| Deviation |
43.0 |
13.2 |
25.6 |
3.5 |
0.8 |
0.5 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
55.3 ± 7.8 |
24.9 ± 1.5 |
30.8 ± 4.1 |
78.9 ± 2.1 |
2.22 ± 0.22 |
0.70 ± 0.10 |
| VC |
118.6 ± 7.3 |
48.5 ± 5.0 |
50.7 ± 6.7 |
66.8 ± 3.8 |
2.46 ± 0.24 |
1.78 ± 0.15 |
| MX1 |
77.6 ± 7.3 |
29.7 ± 1.9 |
36.1 ± 4.8 |
77.2 ± 2.1 |
2.61 ± 0.22 |
1.00 ± 0.09 |
| MX2 |
54.8 ± 7.7 |
24.4 ± 1.5 |
30.4 ± 4.0 |
79.0 ± 2.1 |
2.24 ± 0.23 |
0.69 ± 0.09 |
| MX3 |
55.7 ± 7.5 |
24.6 ± 1.5 |
30.6 ± 4.0 |
79.0 ± 2.1 |
2.26 ± 0.22 |
0.71 ± 0.09 |
| RH8 |
29.4 ± 6.2 |
7.7 ± 0.4 |
10.0 ± 1.3 |
82.4 ± 2.1 |
3.83 ± 0.85 |
0.36 ± 0.07 |
| RH9 |
29.4 ± 6.2 |
7.7 ± 0.4 |
10.0 ± 1.3 |
82.4 ± 2.1 |
3.83 ± 0.85 |
0.36 ± 0.07 |
| RH10 |
29.4 ± 6.2 |
7.7 ± 0.4 |
10.0 ± 1.3 |
82.4 ± 2.1 |
3.83 ± 0.85 |
0.36 ± 0.07 |
| Average |
56.3 |
21.9 |
26.1 |
78.5 |
2.9 |
0.7 |
| Median |
55.3 |
24.6 |
30.6 |
79.0 |
2.6 |
0.7 |
| Deviation |
30.5 |
14.1 |
14.9 |
5.1 |
0.8 |
0.5 |
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)
| 
