Database: Wind Shock Analysis
Event ID: 20090341921
Observation time: 02/03/2009 34.80627 1921 [UT]
|
|
General
Information (About, Top)
| Year |
2009 |
| Fractional day of year |
34.806267 |
| Arrival time of shock [seconds of day] |
69661.5 ± 30.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
205.684 |
| Y GSE location of spacecraft [Re] |
-87.856 |
| Z GSE location of spacecraft [Re] |
-6.755 |
| Upstream plasma points selected for analysis |
0004 |
| Upstream field points selected for analysis |
0117 |
| Downstream plasma points selected for analysis |
0003
|
| Downstream field points selected for analysis |
0094 |
| Minimum chisq/dof for RH8,RH9,RH10 |
19.74, 36.80, 55.37 |
Event added to database
|
Wed Sep 25 09:44:50 2013
|
Event last processed
|
Wed Sep 25 10:34:10 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
50.620 ± 1.407
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-308.3 ± 2.1 |
-347.7 ± 3.8 |
| Vy GSE [km/s] |
-22.1 ± 3.4 |
-26.5 ± 5.8 |
| Vz GSE [km/s] |
-22.6 ± 2.6 |
-12.1 ± 3.5 |
| Wi [km/s] |
15.9 ± 1.7 |
19.2 ± 5.8 |
| We [km/s] |
502.0 ± 54.8 |
605.8 ± 183.9 |
| Ni [n/cc] |
3.0 ± 0.3 |
5.3 ± 1.2 |
| Bx GSE [nT] |
0.8 ± 0.1 |
1.3 ± 0.2 |
| By GSE [nT] |
-4.4 ± 0.2 |
-7.7 ± 0.3 |
| Bz GSE [nT] |
-1.2 ± 0.2 |
-1.6 ± 0.2 |
Plasma Beta
|
0.077 ± 0.093
|
0.075 ± 0.072
|
Sound Speed [km/s]
|
20.49 ± 2.24
|
24.73 ± 7.51
|
Alfven Speed [km/s]
|
58.27 ± 4.02
|
75.88 ± 8.63
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.969 ± 0.256 |
-0.102 ± 0.498 |
0.227 ± 0.223 |
13.13 ± 63.62 |
186.00 ± 29.44 |
| VC |
-0.959 ± 0.033 |
-0.116 ± 0.150 |
0.259 ± 0.253 |
15.01 ± 6.20 |
186.88 ± 8.97 |
| MX1 |
-0.956 ± 0.034 |
-0.150 ± 0.056 |
0.252 ± 0.247 |
14.61 ± 7.49 |
188.91 ± 3.32 |
| MX2 |
-0.956 ± 0.032 |
-0.150 ± 0.056 |
0.252 ± 0.246 |
14.58 ± 7.12 |
188.92 ± 3.32 |
| MX3 |
-0.956 ± 0.030 |
-0.150 ± 0.056 |
0.251 ± 0.246 |
14.54 ± 6.71 |
188.93 ± 3.32 |
| RH08 |
-0.995 ± 0.002 |
-0.096 ± 0.023 |
-0.028 ± 0.028 |
-1.60 ± 2.28 |
185.52 ± 1.31 |
| RH09 |
-0.995 ± 0.007 |
-0.079 ± 0.069 |
-0.061 ± 0.061 |
-3.52 ± 4.03 |
184.51 ± 3.95 |
| RH10 |
-0.995 ± 0.007 |
-0.079 ± 0.069 |
-0.061 ± 0.061 |
-3.52 ± 4.03 |
184.51 ± 3.95 |
| Average |
-0.973 |
-0.115 |
0.136 |
7.902 |
186.773 |
| Median |
-0.959 |
-0.102 |
0.251 |
14.540 |
186.877 |
| Deviation |
0.019 |
0.031 |
0.155 |
8.967 |
1.937 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
82.0 ± 1.5 |
399.9 ± 11.5 |
1.83 ± 0.27 |
| VC |
82.4 ± 1.4 |
396.9 ± 11.6 |
1.83 ± 0.27 |
| MX1 |
84.4 ± 1.4 |
397.1 ± 11.7 |
1.83 ± 0.27 |
| MX2 |
84.4 ± 1.4 |
397.1 ± 11.7 |
1.83 ± 0.27 |
| MX3 |
84.4 ± 1.4 |
397.2 ± 11.7 |
1.83 ± 0.27 |
| RH08 |
85.2 ± 1.9 |
407.7 ± 10.2 |
1.83 ± 0.27 |
| RH09 |
84.7 ± 1.9 |
406.6 ± 9.9 |
1.83 ± 0.27 |
| RH10 |
84.7 ± 1.9 |
406.6 ± 32.7 |
1.83 ± 0.27 |
| Average |
84.0 |
401.1 |
1.83 |
| Median |
84.4 |
399.9 |
1.83 |
| Deviation |
1.2 |
4.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
104.2 ± 1.4 |
2.7 ± 0.2 |
8.1 ± 0.6 |
61.8 ± 3.3 |
39.11 ± 3.38 |
1.69 ± 0.10 |
| VC |
104.6 ± 1.3 |
2.6 ± 0.2 |
7.7 ± 0.5 |
61.8 ± 3.3 |
41.27 ± 3.55 |
1.70 ± 0.11 |
| MX1 |
104.8 ± 1.3 |
1.9 ± 0.2 |
5.7 ± 0.4 |
61.8 ± 3.3 |
56.13 ± 4.79 |
1.70 ± 0.11 |
| MX2 |
104.8 ± 1.3 |
1.9 ± 0.2 |
5.7 ± 0.4 |
61.8 ± 3.3 |
56.26 ± 4.80 |
1.70 ± 0.11 |
| MX3 |
104.8 ± 1.3 |
1.9 ± 0.2 |
5.6 ± 0.4 |
61.8 ± 3.3 |
56.44 ± 4.81 |
1.70 ± 0.11 |
| RH8 |
98.2 ± 2.0 |
1.6 ± 0.1 |
4.9 ± 0.3 |
61.8 ± 3.3 |
61.18 ± 5.30 |
1.59 ± 0.10 |
| RH9 |
96.8 ± 2.1 |
1.8 ± 0.2 |
5.4 ± 0.4 |
61.8 ± 3.3 |
54.98 ± 4.80 |
1.57 ± 0.10 |
| RH10 |
96.8 ± 2.1 |
1.8 ± 0.2 |
5.4 ± 0.4 |
61.8 ± 3.3 |
54.98 ± 4.80 |
1.57 ± 0.10 |
| Average |
101.9 |
2.0 |
6.0 |
61.8 |
52.5 |
1.7 |
| Median |
104.6 |
1.9 |
5.7 |
61.8 |
56.1 |
1.7 |
| Deviation |
3.9 |
0.4 |
1.2 |
0.0 |
7.9 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
63.1 ± 2.4 |
3.2 ± 0.9 |
10.5 ± 1.2 |
80.1 ± 6.1 |
20.82 ± 6.97 |
0.79 ± 0.03 |
| VC |
63.5 ± 2.2 |
3.1 ± 0.8 |
10.0 ± 1.1 |
80.1 ± 6.1 |
22.01 ± 7.28 |
0.79 ± 0.03 |
| MX1 |
63.8 ± 2.0 |
2.3 ± 0.6 |
7.4 ± 0.8 |
80.2 ± 6.0 |
29.97 ± 9.82 |
0.80 ± 0.04 |
| MX2 |
63.8 ± 2.0 |
2.3 ± 0.6 |
7.4 ± 0.8 |
80.2 ± 6.0 |
30.04 ± 9.84 |
0.80 ± 0.04 |
| MX3 |
63.7 ± 2.0 |
2.2 ± 0.6 |
7.3 ± 0.8 |
80.2 ± 6.0 |
30.13 ± 9.87 |
0.80 ± 0.04 |
| RH8 |
58.8 ± 3.4 |
1.9 ± 0.5 |
6.4 ± 0.7 |
80.2 ± 6.0 |
32.33 ± 11.51 |
0.73 ± 0.02 |
| RH9 |
57.8 ± 3.6 |
2.1 ± 0.6 |
7.0 ± 0.8 |
80.2 ± 6.0 |
29.01 ± 10.47 |
0.72 ± 0.01 |
| RH10 |
57.8 ± 3.6 |
2.1 ± 0.6 |
7.0 ± 0.8 |
80.2 ± 6.0 |
29.01 ± 10.47 |
0.72 ± 0.01 |
| Average |
61.5 |
2.4 |
7.9 |
80.2 |
27.9 |
0.8 |
| Median |
63.5 |
2.3 |
7.4 |
80.2 |
30.0 |
0.8 |
| Deviation |
2.8 |
0.5 |
1.5 |
0.0 |
4.2 |
0.0 |
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)
| 
