Database: Wind Shock Analysis
Event ID: 20012231558
Observation time: 08/11/2001 223.66547 1558 [UT]
|
|
General
Information (About, Top)
| Year |
2001 |
| Fractional day of year |
223.665469 |
| Arrival time of shock [seconds of day] |
57496.5 ± 24.0 |
| Shock type |
SR |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
42.550 |
| Y GSE location of spacecraft [Re] |
287.431 |
| Z GSE location of spacecraft [Re] |
18.420 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0212 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0253 |
| Minimum chisq/dof for RH8,RH9,RH10 |
30.72, 9.15, 10.27 |
Event added to database
|
Mon Feb 14 11:14:31 2005
|
Event last processed
|
Mon Mar 30 21:19:00 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
-35.327 ± 6.433
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-356.8 ± 2.0 |
-387.1 ± 0.9 |
| Vy GSE [km/s] |
0.7 ± 1.7 |
15.3 ± 1.9 |
| Vz GSE [km/s] |
-11.9 ± 1.8 |
-13.6 ± 1.8 |
| Wi [km/s] |
34.0 ± 0.6 |
28.9 ± 0.8 |
| We [km/s] |
1075.0 ± 19.3 |
914.3 ± 26.2 |
| Ni [n/cc] |
5.0 ± 0.2 |
2.9 ± 0.1 |
| Bx GSE [nT] |
2.7 ± 0.1 |
5.1 ± 0.1 |
| By GSE [nT] |
-2.9 ± 0.1 |
-2.3 ± 0.1 |
| Bz GSE [nT] |
-1.4 ± 0.2 |
0.3 ± 0.2 |
Plasma Beta
|
0.686 ± 0.677
|
0.162 ± 0.162
|
Sound Speed [km/s]
|
43.89 ± 0.79
|
37.33 ± 1.07
|
Alfven Speed [km/s]
|
41.12 ± 1.58
|
71.92 ± 1.61
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.491 ± 0.048 |
0.737 ± 0.036 |
0.465 ± 0.428 |
27.68 ± 2.54 |
123.68 ± 3.65 |
| VC |
-0.900 ± 0.026 |
0.432 ± 0.053 |
-0.051 ± 0.051 |
-2.91 ± 4.14 |
154.35 ± 3.37 |
| MX1 |
-0.493 ± 0.045 |
0.732 ± 0.036 |
0.470 ± 0.432 |
28.02 ± 3.07 |
123.98 ± 3.35 |
| MX2 |
-0.805 ± 0.269 |
0.251 ± 0.754 |
0.537 ± 0.478 |
32.49 ± 14.62 |
162.66 ± 53.55 |
| MX3 |
-0.486 ± 0.064 |
0.748 ± 0.044 |
0.452 ± 0.418 |
26.87 ± 2.51 |
122.98 ± 4.80 |
| RH08 |
-0.651 ± 0.009 |
0.270 ± 0.015 |
0.709 ± 0.556 |
45.19 ± 0.53 |
157.44 ± 1.29 |
| RH09 |
-0.331 ± 0.046 |
-0.670 ± 0.032 |
0.665 ± 0.543 |
41.67 ± 2.29 |
243.68 ± 3.78 |
| RH10 |
-0.331 ± 0.053 |
-0.670 ± 0.038 |
0.665 ± 0.543 |
41.67 ± 2.69 |
243.68 ± 4.39 |
| Average |
-0.561 |
0.229 |
0.489 |
30.086 |
166.554 |
| Median |
-0.491 |
0.432 |
0.537 |
32.492 |
157.437 |
| Deviation |
0.208 |
0.590 |
0.241 |
15.171 |
50.274 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
11.6 ± 2.5 |
134.6 ± 5.5 |
0.59 ± 0.03 |
| VC |
31.1 ± 2.4 |
272.9 ± 5.1 |
0.59 ± 0.03 |
| MX1 |
11.6 ± 2.5 |
135.4 ± 5.5 |
0.59 ± 0.03 |
| MX2 |
29.1 ± 1.5 |
243.7 ± 5.4 |
0.59 ± 0.03 |
| MX3 |
11.6 ± 2.4 |
132.6 ± 5.4 |
0.59 ± 0.03 |
| RH08 |
32.2 ± 1.7 |
193.0 ± 5.4 |
0.59 ± 0.03 |
| RH09 |
89.0 ± 1.5 |
110.6 ± 2.9 |
0.59 ± 0.03 |
| RH10 |
89.0 ± 1.5 |
110.6 ± 2.9 |
0.59 ± 0.03 |
| Average |
38.1 |
166.7 |
0.59 |
| Median |
31.1 |
135.4 |
0.59 |
| Deviation |
32.6 |
62.5 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-35.6 ± 2.6 |
37.7 ± 1.0 |
40.3 ± 1.5 |
46.9 ± 0.8 |
-0.94 ± 0.05 |
-0.76 ± 0.04 |
| VC |
-49.2 ± 2.4 |
29.5 ± 0.7 |
35.2 ± 1.4 |
52.4 ± 1.0 |
-1.67 ± 0.06 |
-0.94 ± 0.03 |
| MX1 |
-35.6 ± 2.6 |
37.7 ± 1.0 |
40.3 ± 1.5 |
46.9 ± 0.8 |
-0.94 ± 0.05 |
-0.76 ± 0.04 |
| MX2 |
-37.3 ± 2.4 |
30.3 ± 0.7 |
35.9 ± 1.4 |
51.9 ± 1.0 |
-1.23 ± 0.06 |
-0.72 ± 0.04 |
| MX3 |
-35.8 ± 2.6 |
37.7 ± 1.0 |
40.3 ± 1.5 |
46.9 ± 0.8 |
-0.95 ± 0.05 |
-0.76 ± 0.04 |
| RH8 |
-31.0 ± 2.4 |
29.0 ± 0.7 |
34.8 ± 1.3 |
52.7 ± 1.0 |
-1.07 ± 0.07 |
-0.59 ± 0.04 |
| RH9 |
0.8 ± 1.1 |
0.5 ± 0.0 |
0.7 ± 0.0 |
60.2 ± 1.2 |
1.52 ± 2.20 |
0.01 ± 0.02 |
| RH10 |
0.8 ± 1.1 |
0.5 ± 0.0 |
0.7 ± 0.0 |
60.2 ± 1.2 |
1.52 ± 2.20 |
0.01 ± 0.02 |
| Average |
-27.9 |
25.4 |
28.5 |
52.2 |
-0.5 |
-0.6 |
| Median |
-35.6 |
30.3 |
35.9 |
52.4 |
-0.9 |
-0.7 |
| Deviation |
18.4 |
15.8 |
17.3 |
5.5 |
1.3 |
0.4 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-60.5 ± 1.9 |
36.3 ± 1.0 |
70.5 ± 1.6 |
72.4 ± 1.6 |
-1.67 ± 0.06 |
-0.83 ± 0.01 |
| VC |
-82.8 ± 0.9 |
30.7 ± 0.8 |
61.6 ± 1.4 |
75.0 ± 1.6 |
-2.70 ± 0.06 |
-1.10 ± 0.02 |
| MX1 |
-60.4 ± 1.9 |
36.3 ± 1.0 |
70.5 ± 1.6 |
72.4 ± 1.6 |
-1.67 ± 0.06 |
-0.83 ± 0.01 |
| MX2 |
-64.5 ± 1.1 |
31.4 ± 0.8 |
62.8 ± 1.4 |
74.7 ± 1.6 |
-2.06 ± 0.05 |
-0.86 ± 0.01 |
| MX3 |
-60.7 ± 1.9 |
36.3 ± 1.0 |
70.5 ± 1.6 |
72.4 ± 1.6 |
-1.67 ± 0.06 |
-0.84 ± 0.01 |
| RH8 |
-53.4 ± 1.4 |
30.2 ± 0.8 |
60.9 ± 1.4 |
75.2 ± 1.6 |
-1.77 ± 0.06 |
-0.71 ± 0.01 |
| RH9 |
1.7 ± 1.0 |
0.6 ± 0.0 |
1.2 ± 0.0 |
81.0 ± 1.6 |
2.90 ± 1.81 |
0.02 ± 0.01 |
| RH10 |
1.7 ± 1.0 |
0.6 ± 0.0 |
1.2 ± 0.0 |
81.0 ± 1.6 |
2.90 ± 1.81 |
0.02 ± 0.01 |
| Average |
-47.4 |
25.3 |
49.9 |
75.5 |
-0.7 |
-0.6 |
| Median |
-60.4 |
31.4 |
62.8 |
75.0 |
-1.7 |
-0.8 |
| Deviation |
31.4 |
15.5 |
30.3 |
3.6 |
2.3 |
0.4 |
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)
| 
