Database: Wind Shock Analysis
Event ID: 20092942315
Observation time: 10/21/2009 294.96887 2315 [UT]
|
|
General
Information (About, Top)
| Year |
2009 |
| Fractional day of year |
294.968872 |
| Arrival time of shock [seconds of day] |
83710.5 ± 30.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
228.258 |
| Y GSE location of spacecraft [Re] |
96.681 |
| Z GSE location of spacecraft [Re] |
8.439 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0247 |
| Downstream plasma points selected for analysis |
0002
|
| Downstream field points selected for analysis |
0062 |
| Minimum chisq/dof for RH8,RH9,RH10 |
12.70, 31.70, 39.89 |
Event added to database
|
Wed Sep 25 10:19:25 2013
|
Event last processed
|
Wed Sep 25 11:03:13 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
61.796 ± 2.480
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-275.4 ± 1.8 |
-299.6 ± 2.6 |
| Vy GSE [km/s] |
-8.5 ± 0.5 |
2.5 ± 6.0 |
| Vz GSE [km/s] |
3.5 ± 1.3 |
19.8 ± 0.8 |
| Wi [km/s] |
18.7 ± 0.9 |
25.0 ± 0.6 |
| We [km/s] |
591.2 ± 27.7 |
789.4 ± 18.0 |
| Ni [n/cc] |
10.1 ± 0.4 |
20.8 ± 1.7 |
| Bx GSE [nT] |
-2.5 ± 0.3 |
-3.2 ± 1.3 |
| By GSE [nT] |
-1.7 ± 0.1 |
1.9 ± 2.1 |
| Bz GSE [nT] |
-1.7 ± 0.1 |
-3.8 ± 0.8 |
Plasma Beta
|
0.637 ± 0.534
|
0.871 ± 0.920
|
Sound Speed [km/s]
|
24.13 ± 1.13
|
32.23 ± 0.73
|
Alfven Speed [km/s]
|
23.81 ± 2.05
|
26.79 ± 1.68
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.758 ± 0.191 |
-0.468 ± 0.279 |
-0.455 ± 0.421 |
-27.06 ± 13.27 |
211.70 ± 20.71 |
| VC |
-0.778 ± 0.069 |
0.355 ± 0.142 |
0.518 ± 0.466 |
31.20 ± 3.04 |
155.48 ± 10.44 |
| MX1 |
-0.650 ± 0.256 |
0.497 ± 0.325 |
0.575 ± 0.501 |
35.09 ± 9.59 |
142.62 ± 28.15 |
| MX2 |
-0.707 ± 0.103 |
0.351 ± 0.174 |
0.614 ± 0.522 |
37.86 ± 5.96 |
153.59 ± 13.92 |
| MX3 |
-0.746 ± 0.078 |
0.299 ± 0.133 |
0.595 ± 0.512 |
36.49 ± 5.99 |
158.13 ± 10.10 |
| RH08 |
-0.921 ± 0.014 |
0.364 ± 0.034 |
0.140 ± 0.139 |
8.03 ± 1.18 |
158.44 ± 2.11 |
| RH09 |
-0.991 ± 0.009 |
0.131 ± 0.068 |
0.028 ± 0.028 |
1.60 ± 4.06 |
172.48 ± 3.91 |
| RH10 |
-0.993 ± 0.008 |
0.114 ± 0.068 |
0.017 ± 0.017 |
0.96 ± 4.05 |
173.48 ± 3.91 |
| Average |
-0.818 |
0.205 |
0.254 |
15.520 |
165.740 |
| Median |
-0.758 |
0.351 |
0.518 |
31.197 |
158.440 |
| Deviation |
0.132 |
0.300 |
0.386 |
23.430 |
21.097 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
4.4 ± 1.6 |
228.0 ± 2.3 |
2.11 ± 0.12 |
| VC |
82.9 ± 2.0 |
274.8 ± 1.1 |
2.11 ± 0.12 |
| MX1 |
86.2 ± 2.1 |
236.0 ± 0.7 |
2.11 ± 0.12 |
| MX2 |
88.4 ± 1.9 |
255.1 ± 1.0 |
2.11 ± 0.12 |
| MX3 |
84.8 ± 1.9 |
266.8 ± 1.1 |
2.11 ± 0.12 |
| RH08 |
66.0 ± 2.5 |
307.7 ± 1.3 |
2.11 ± 0.12 |
| RH09 |
51.1 ± 2.4 |
324.5 ± 1.8 |
2.11 ± 0.12 |
| RH10 |
49.9 ± 2.4 |
324.7 ± 6.5 |
2.11 ± 0.12 |
| Average |
64.2 |
277.2 |
2.11 |
| Median |
82.9 |
274.8 |
2.11 |
| Deviation |
28.8 |
38.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
16.9 ± 1.9 |
22.5 ± 1.2 |
23.7 ± 2.0 |
25.4 ± 1.0 |
0.76 ± 0.13 |
0.67 ± 0.08 |
| VC |
61.7 ± 1.0 |
2.1 ± 0.1 |
2.9 ± 0.3 |
33.9 ± 1.1 |
29.65 ± 1.56 |
1.82 ± 0.09 |
| MX1 |
59.2 ± 0.8 |
1.1 ± 0.0 |
1.6 ± 0.1 |
33.9 ± 1.1 |
52.87 ± 2.59 |
1.75 ± 0.08 |
| MX2 |
61.2 ± 0.9 |
0.5 ± 0.0 |
0.7 ± 0.1 |
34.0 ± 1.1 |
132.71 ± 6.72 |
1.80 ± 0.08 |
| MX3 |
61.8 ± 1.0 |
1.5 ± 0.1 |
2.1 ± 0.2 |
33.9 ± 1.1 |
40.66 ± 2.11 |
1.83 ± 0.09 |
| RH8 |
56.7 ± 1.4 |
7.0 ± 0.3 |
9.7 ± 0.8 |
33.2 ± 1.1 |
8.09 ± 0.50 |
1.71 ± 0.09 |
| RH9 |
52.6 ± 1.7 |
11.2 ± 0.4 |
15.0 ± 1.3 |
32.0 ± 1.1 |
4.69 ± 0.32 |
1.64 ± 0.10 |
| RH10 |
52.1 ± 1.7 |
11.6 ± 0.4 |
15.3 ± 1.3 |
31.9 ± 1.1 |
4.52 ± 0.31 |
1.63 ± 0.10 |
| Average |
52.8 |
7.2 |
8.9 |
32.3 |
34.2 |
1.6 |
| Median |
59.2 |
7.0 |
9.7 |
33.9 |
29.7 |
1.7 |
| Deviation |
15.0 |
7.7 |
8.5 |
2.9 |
44.2 |
0.4 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
11.2 ± 5.1 |
26.5 ± 1.6 |
26.7 ± 1.7 |
32.4 ± 0.8 |
0.41 ± 0.17 |
0.34 ± 0.15 |
| VC |
30.5 ± 0.5 |
2.5 ± 0.1 |
3.3 ± 0.2 |
41.8 ± 1.6 |
12.00 ± 0.77 |
0.73 ± 0.04 |
| MX1 |
28.5 ± 1.8 |
1.4 ± 0.1 |
1.8 ± 0.1 |
41.9 ± 1.6 |
20.92 ± 2.27 |
0.68 ± 0.07 |
| MX2 |
30.2 ± 0.8 |
0.6 ± 0.0 |
0.7 ± 0.0 |
41.9 ± 1.6 |
53.58 ± 3.88 |
0.72 ± 0.05 |
| MX3 |
30.7 ± 0.4 |
1.9 ± 0.1 |
2.4 ± 0.2 |
41.9 ± 1.6 |
16.56 ± 0.96 |
0.73 ± 0.04 |
| RH8 |
28.1 ± 0.1 |
8.6 ± 0.4 |
10.9 ± 0.7 |
41.0 ± 1.6 |
3.28 ± 0.14 |
0.69 ± 0.02 |
| RH9 |
26.7 ± 1.8 |
13.7 ± 0.6 |
16.8 ± 1.1 |
39.6 ± 1.5 |
1.95 ± 0.04 |
0.67 ± 0.02 |
| RH10 |
26.5 ± 1.9 |
14.1 ± 0.7 |
17.3 ± 1.1 |
39.5 ± 1.5 |
1.88 ± 0.04 |
0.67 ± 0.02 |
| Average |
26.5 |
8.7 |
10.0 |
40.0 |
13.8 |
0.7 |
| Median |
28.5 |
8.6 |
10.9 |
41.8 |
12.0 |
0.7 |
| Deviation |
6.4 |
9.1 |
9.5 |
3.2 |
17.8 |
0.1 |
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)
| 
