Database: Wind Shock Analysis
Event ID: 20092420033
Observation time: 08/30/2009 242.02311 0033 [UT]
|
|
General
Information (About, Top)
| Year |
2009 |
| Fractional day of year |
242.023108 |
| Arrival time of shock [seconds of day] |
1996.5 ± 60.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
200.456 |
| Y GSE location of spacecraft [Re] |
-10.672 |
| Z GSE location of spacecraft [Re] |
-20.641 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0212 |
| Downstream plasma points selected for analysis |
0005
|
| Downstream field points selected for analysis |
0156 |
| Minimum chisq/dof for RH8,RH9,RH10 |
6.08, 9.51, 9.91 |
Event added to database
|
Wed Sep 25 10:14:23 2013
|
Event last processed
|
Wed Sep 25 10:54:54 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
50.143 ± 0.818
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-340.9 ± 1.2 |
-370.7 ± 2.8 |
| Vy GSE [km/s] |
0.1 ± 0.6 |
-19.8 ± 3.4 |
| Vz GSE [km/s] |
1.7 ± 5.4 |
3.3 ± 6.8 |
| Wi [km/s] |
29.3 ± 0.5 |
35.5 ± 3.3 |
| We [km/s] |
925.3 ± 14.5 |
1124.1 ± 104.7 |
| Ni [n/cc] |
6.8 ± 0.7 |
11.5 ± 1.8 |
| Bx GSE [nT] |
2.2 ± 0.1 |
2.6 ± 0.5 |
| By GSE [nT] |
-1.7 ± 0.1 |
-4.0 ± 0.2 |
| Bz GSE [nT] |
0.0 ± 0.8 |
2.0 ± 1.2 |
Plasma Beta
|
1.441 ± 1.372
|
1.071 ± 1.137
|
Sound Speed [km/s]
|
37.77 ± 0.59
|
45.89 ± 4.27
|
Alfven Speed [km/s]
|
24.60 ± 1.83
|
34.62 ± 2.72
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.947 ± 0.111 |
0.211 ± 0.318 |
0.243 ± 0.238 |
14.06 ± 20.77 |
167.45 ± 19.22 |
| VC |
-0.831 ± 0.044 |
-0.556 ± 0.066 |
0.027 ± 0.027 |
1.52 ± 12.23 |
213.76 ± 4.54 |
| MX1 |
-0.997 ± 0.022 |
-0.081 ± 0.274 |
0.015 ± 0.015 |
0.87 ± 11.28 |
184.66 ± 15.73 |
| MX2 |
-0.958 ± 0.043 |
-0.261 ± 0.146 |
-0.120 ± 0.119 |
-6.89 ± 8.11 |
195.25 ± 8.74 |
| MX3 |
-0.925 ± 0.050 |
-0.333 ± 0.122 |
-0.181 ± 0.179 |
-10.45 ± 8.18 |
199.81 ± 7.53 |
| RH08 |
-0.996 ± 0.002 |
-0.061 ± 0.017 |
-0.061 ± 0.061 |
-3.52 ± 1.23 |
183.51 ± 0.96 |
| RH09 |
-0.994 ± 0.007 |
-0.009 ± 0.070 |
-0.106 ± 0.106 |
-6.09 ± 4.02 |
180.50 ± 4.03 |
| RH10 |
-0.996 ± 0.006 |
-0.009 ± 0.069 |
-0.084 ± 0.084 |
-4.81 ± 4.02 |
180.50 ± 3.99 |
| Average |
-0.956 |
-0.137 |
-0.033 |
-1.912 |
188.181 |
| Median |
-0.958 |
-0.061 |
-0.061 |
-3.523 |
184.658 |
| Deviation |
0.057 |
0.237 |
0.131 |
7.567 |
14.251 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
30.4 ± 9.6 |
388.0 ± 4.5 |
1.70 ± 0.25 |
| VC |
71.9 ± 3.2 |
377.5 ± 5.7 |
1.70 ± 0.25 |
| MX1 |
44.0 ± 4.1 |
420.0 ± 5.3 |
1.70 ± 0.25 |
| MX2 |
54.4 ± 2.9 |
411.1 ± 5.4 |
1.70 ± 0.25 |
| MX3 |
59.0 ± 3.0 |
400.1 ± 5.4 |
1.70 ± 0.25 |
| RH08 |
43.1 ± 3.4 |
416.1 ± 5.1 |
1.70 ± 0.25 |
| RH09 |
40.5 ± 3.4 |
410.4 ± 4.9 |
1.70 ± 0.25 |
| RH10 |
40.4 ± 3.4 |
412.1 ± 29.0 |
1.70 ± 0.25 |
| Average |
48.0 |
404.4 |
1.70 |
| Median |
44.0 |
411.1 |
1.70 |
| Deviation |
13.1 |
14.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
64.8 ± 2.2 |
19.7 ± 1.2 |
21.2 ± 1.6 |
40.5 ± 0.3 |
3.29 ± 0.14 |
1.60 ± 0.05 |
| VC |
94.2 ± 1.4 |
6.5 ± 0.3 |
7.7 ± 0.6 |
44.6 ± 0.6 |
14.59 ± 0.57 |
2.11 ± 0.01 |
| MX1 |
80.3 ± 1.3 |
15.8 ± 0.9 |
17.7 ± 1.3 |
42.2 ± 0.4 |
5.09 ± 0.22 |
1.90 ± 0.02 |
| MX2 |
84.8 ± 0.7 |
12.5 ± 0.6 |
14.3 ± 1.1 |
43.3 ± 0.5 |
6.82 ± 0.32 |
1.96 ± 0.01 |
| MX3 |
85.1 ± 0.5 |
10.9 ± 0.6 |
12.7 ± 0.9 |
43.8 ± 0.6 |
7.81 ± 0.37 |
1.94 ± 0.02 |
| RH8 |
76.6 ± 0.9 |
16.1 ± 0.9 |
18.0 ± 1.3 |
42.1 ± 0.4 |
4.77 ± 0.22 |
1.82 ± 0.01 |
| RH9 |
71.7 ± 0.7 |
16.9 ± 0.9 |
18.7 ± 1.4 |
41.8 ± 0.4 |
4.26 ± 0.21 |
1.71 ± 0.01 |
| RH10 |
72.5 ± 0.8 |
16.9 ± 0.9 |
18.7 ± 1.4 |
41.8 ± 0.4 |
4.30 ± 0.21 |
1.73 ± 0.01 |
| Average |
78.7 |
14.4 |
16.1 |
42.5 |
6.4 |
1.8 |
| Median |
80.3 |
16.1 |
18.0 |
42.2 |
5.1 |
1.9 |
| Deviation |
9.3 |
4.2 |
4.3 |
1.3 |
3.6 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
40.4 ± 4.0 |
26.9 ± 1.8 |
29.9 ± 2.3 |
50.9 ± 3.8 |
1.51 ± 0.22 |
0.80 ± 0.11 |
| VC |
58.3 ± 3.1 |
8.7 ± 0.6 |
10.8 ± 0.8 |
56.9 ± 4.0 |
6.76 ± 0.65 |
1.03 ± 0.09 |
| MX1 |
48.9 ± 2.9 |
21.3 ± 1.4 |
24.9 ± 2.0 |
53.4 ± 3.8 |
2.31 ± 0.25 |
0.92 ± 0.10 |
| MX2 |
51.2 ± 2.1 |
16.8 ± 1.1 |
20.2 ± 1.6 |
55.1 ± 3.9 |
3.07 ± 0.28 |
0.93 ± 0.08 |
| MX3 |
51.1 ± 1.6 |
14.7 ± 1.0 |
17.8 ± 1.4 |
55.6 ± 3.9 |
3.50 ± 0.30 |
0.92 ± 0.08 |
| RH8 |
45.8 ± 2.5 |
21.7 ± 1.4 |
25.3 ± 2.0 |
53.3 ± 3.8 |
2.12 ± 0.22 |
0.86 ± 0.09 |
| RH9 |
42.0 ± 2.3 |
22.8 ± 1.5 |
26.3 ± 2.1 |
52.8 ± 3.8 |
1.85 ± 0.19 |
0.80 ± 0.09 |
| RH10 |
42.8 ± 2.4 |
22.9 ± 1.5 |
26.4 ± 2.1 |
52.8 ± 3.8 |
1.88 ± 0.20 |
0.82 ± 0.09 |
| Average |
47.6 |
19.5 |
22.7 |
53.9 |
2.9 |
0.9 |
| Median |
48.9 |
21.7 |
25.3 |
53.4 |
2.3 |
0.9 |
| Deviation |
6.0 |
5.8 |
6.1 |
1.9 |
1.7 |
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)
| 
