Database: Wind Shock Analysis
Event ID: 20091132341
Observation time: 04/23/2009 113.98745 2341 [UT]
|
|
General
Information (About, Top)
| Year |
2009 |
| Fractional day of year |
113.987448 |
| Arrival time of shock [seconds of day] |
85315.5 ± 60.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
230.148 |
| Y GSE location of spacecraft [Re] |
96.982 |
| Z GSE location of spacecraft [Re] |
8.801 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0171 |
| Downstream plasma points selected for analysis |
0004
|
| Downstream field points selected for analysis |
0141 |
| Minimum chisq/dof for RH8,RH9,RH10 |
15.52, 22.40, 24.91 |
Event added to database
|
Wed Sep 25 09:56:30 2013
|
Event last processed
|
Wed Sep 25 10:42:24 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
57.092 ± 6.939
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-336.5 ± 2.6 |
-366.1 ± 1.3 |
| Vy GSE [km/s] |
-24.1 ± 2.3 |
-42.4 ± 0.8 |
| Vz GSE [km/s] |
0.2 ± 2.6 |
11.1 ± 3.4 |
| Wi [km/s] |
19.5 ± 0.4 |
24.2 ± 0.5 |
| We [km/s] |
616.3 ± 13.3 |
764.4 ± 17.2 |
| Ni [n/cc] |
6.1 ± 0.3 |
11.7 ± 0.4 |
| Bx GSE [nT] |
-1.7 ± 0.5 |
-1.3 ± 0.1 |
| By GSE [nT] |
1.7 ± 0.5 |
4.2 ± 0.2 |
| Bz GSE [nT] |
0.8 ± 0.5 |
2.6 ± 0.4 |
Plasma Beta
|
0.683 ± 0.680
|
0.541 ± 0.552
|
Sound Speed [km/s]
|
25.16 ± 0.54
|
31.21 ± 0.70
|
Alfven Speed [km/s]
|
23.60 ± 0.56
|
32.87 ± 0.12
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.932 ± 0.108 |
0.357 ± 0.276 |
-0.054 ± 0.054 |
-3.12 ± 23.14 |
159.03 ± 16.96 |
| VC |
-0.813 ± 0.031 |
-0.500 ± 0.035 |
0.297 ± 0.288 |
17.30 ± 5.54 |
211.60 ± 2.21 |
| MX1 |
-0.925 ± 0.046 |
-0.094 ± 0.181 |
0.367 ± 0.349 |
21.52 ± 6.69 |
185.82 ± 11.19 |
| MX2 |
-0.872 ± 0.069 |
-0.167 ± 0.162 |
0.460 ± 0.424 |
27.39 ± 7.87 |
190.85 ± 10.60 |
| MX3 |
-0.828 ± 0.091 |
-0.214 ± 0.144 |
0.519 ± 0.466 |
31.26 ± 9.45 |
194.49 ± 9.88 |
| RH08 |
-0.793 ± 0.016 |
0.432 ± 0.020 |
-0.430 ± 0.401 |
-25.48 ± 1.85 |
151.42 ± 1.38 |
| RH09 |
-0.976 ± 0.015 |
0.217 ± 0.066 |
-0.006 ± 0.006 |
-0.32 ± 4.05 |
167.47 ± 3.87 |
| RH10 |
-0.979 ± 0.014 |
0.200 ± 0.067 |
0.028 ± 0.028 |
1.60 ± 4.06 |
168.47 ± 3.91 |
| Average |
-0.890 |
0.029 |
0.148 |
8.769 |
178.643 |
| Median |
-0.872 |
0.200 |
0.297 |
17.297 |
185.822 |
| Deviation |
0.074 |
0.322 |
0.320 |
19.033 |
20.325 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
34.7 ± 7.6 |
348.5 ± 1.0 |
1.94 ± 0.17 |
| VC |
72.3 ± 16.6 |
361.6 ± 1.7 |
1.94 ± 0.17 |
| MX1 |
47.8 ± 16.6 |
382.5 ± 1.5 |
1.94 ± 0.17 |
| MX2 |
51.9 ± 17.1 |
367.7 ± 1.6 |
1.94 ± 0.17 |
| MX3 |
54.9 ± 17.3 |
354.4 ± 1.6 |
1.94 ± 0.17 |
| RH08 |
48.5 ± 4.8 |
278.8 ± 1.1 |
1.94 ± 0.17 |
| RH09 |
38.7 ± 10.4 |
375.7 ± 1.1 |
1.94 ± 0.17 |
| RH10 |
38.5 ± 11.2 |
378.7 ± 5.0 |
1.94 ± 0.17 |
| Average |
48.4 |
356.0 |
1.94 |
| Median |
48.5 |
367.7 |
1.94 |
| Deviation |
12.0 |
33.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
43.4 ± 1.5 |
16.0 ± 0.3 |
19.4 ± 0.5 |
30.6 ± 0.5 |
2.72 ± 0.10 |
1.42 ± 0.05 |
| VC |
75.9 ± 3.8 |
5.3 ± 0.1 |
7.2 ± 0.2 |
34.1 ± 0.6 |
14.31 ± 0.65 |
2.23 ± 0.10 |
| MX1 |
68.8 ± 3.3 |
12.4 ± 0.2 |
15.8 ± 0.4 |
32.2 ± 0.6 |
5.56 ± 0.25 |
2.14 ± 0.10 |
| MX2 |
70.2 ± 3.5 |
11.2 ± 0.2 |
14.6 ± 0.3 |
32.6 ± 0.6 |
6.24 ± 0.29 |
2.15 ± 0.10 |
| MX3 |
70.6 ± 3.6 |
10.4 ± 0.2 |
13.6 ± 0.3 |
32.9 ± 0.6 |
6.80 ± 0.33 |
2.15 ± 0.10 |
| RH8 |
22.6 ± 1.1 |
12.2 ± 0.2 |
15.6 ± 0.4 |
32.3 ± 0.6 |
1.85 ± 0.10 |
0.70 ± 0.04 |
| RH9 |
52.5 ± 2.0 |
14.9 ± 0.3 |
18.4 ± 0.4 |
31.1 ± 0.6 |
3.53 ± 0.14 |
1.69 ± 0.06 |
| RH10 |
54.0 ± 2.1 |
14.9 ± 0.3 |
18.5 ± 0.4 |
31.1 ± 0.6 |
3.62 ± 0.14 |
1.74 ± 0.07 |
| Average |
57.2 |
12.2 |
15.4 |
32.1 |
5.6 |
1.8 |
| Median |
68.8 |
12.4 |
15.8 |
32.3 |
5.6 |
2.1 |
| Deviation |
18.0 |
3.4 |
3.9 |
1.1 |
3.9 |
0.5 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
22.9 ± 1.6 |
21.0 ± 0.3 |
27.0 ± 0.1 |
40.2 ± 0.5 |
1.09 ± 0.08 |
0.57 ± 0.04 |
| VC |
39.4 ± 1.0 |
7.0 ± 0.1 |
10.0 ± 0.0 |
44.8 ± 0.6 |
5.66 ± 0.21 |
0.88 ± 0.03 |
| MX1 |
35.7 ± 1.0 |
16.3 ± 0.2 |
22.1 ± 0.1 |
42.3 ± 0.5 |
2.19 ± 0.09 |
0.84 ± 0.03 |
| MX2 |
36.3 ± 1.3 |
14.8 ± 0.2 |
20.3 ± 0.1 |
42.8 ± 0.5 |
2.46 ± 0.11 |
0.85 ± 0.04 |
| MX3 |
36.6 ± 1.4 |
13.7 ± 0.2 |
18.9 ± 0.1 |
43.2 ± 0.5 |
2.68 ± 0.13 |
0.85 ± 0.04 |
| RH8 |
11.7 ± 2.6 |
16.0 ± 0.2 |
21.8 ± 0.1 |
42.4 ± 0.5 |
0.73 ± 0.16 |
0.28 ± 0.06 |
| RH9 |
27.6 ± 1.4 |
19.6 ± 0.3 |
25.6 ± 0.1 |
40.9 ± 0.5 |
1.41 ± 0.08 |
0.68 ± 0.04 |
| RH10 |
28.4 ± 1.3 |
19.7 ± 0.3 |
25.7 ± 0.1 |
40.8 ± 0.5 |
1.44 ± 0.08 |
0.70 ± 0.04 |
| Average |
29.8 |
16.0 |
21.4 |
42.2 |
2.2 |
0.7 |
| Median |
35.7 |
16.3 |
22.1 |
42.4 |
2.2 |
0.8 |
| Deviation |
9.2 |
4.5 |
5.4 |
1.5 |
1.6 |
0.2 |
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)
| 
