Database: Wind Shock Analysis
Event ID: 20072340434
Observation time: 08/22/2007 234.19030 0434 [UT]
|
|
General
Information (About, Top)
| Year |
2007 |
| Fractional day of year |
234.190295 |
| Arrival time of shock [seconds of day] |
16441.5 ± 40.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
212.300 |
| Y GSE location of spacecraft [Re] |
-91.119 |
| Z GSE location of spacecraft [Re] |
-7.629 |
| Upstream plasma points selected for analysis |
0004 |
| Upstream field points selected for analysis |
0128 |
| Downstream plasma points selected for analysis |
0006
|
| Downstream field points selected for analysis |
0201 |
| Minimum chisq/dof for RH8,RH9,RH10 |
5.50, 17.15, 18.76 |
Event added to database
|
Thu Sep 26 11:08:35 2013
|
Event last processed
|
Thu Sep 26 12:16:43 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
64.851 ± 0.740
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-318.6 ± 0.7 |
-332.7 ± 1.5 |
| Vy GSE [km/s] |
-6.3 ± 1.3 |
-9.6 ± 1.4 |
| Vz GSE [km/s] |
-23.3 ± 1.5 |
-22.9 ± 1.4 |
| Wi [km/s] |
14.3 ± 0.4 |
16.7 ± 0.2 |
| We [km/s] |
452.5 ± 11.7 |
527.6 ± 6.7 |
| Ni [n/cc] |
8.4 ± 0.4 |
13.2 ± 0.5 |
| Bx GSE [nT] |
1.0 ± 0.1 |
0.8 ± 0.1 |
| By GSE [nT] |
-2.0 ± 0.2 |
-2.6 ± 0.1 |
| Bz GSE [nT] |
0.9 ± 0.1 |
1.2 ± 0.2 |
Plasma Beta
|
0.629 ± 0.597
|
0.867 ± 0.895
|
Sound Speed [km/s]
|
18.47 ± 0.48
|
21.54 ± 0.27
|
Alfven Speed [km/s]
|
18.14 ± 1.18
|
17.96 ± 0.77
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.924 ± 0.101 |
0.379 ± 0.242 |
-0.054 ± 0.054 |
-3.11 ± 21.04 |
157.71 ± 14.98 |
| VC |
-0.974 ± 0.024 |
-0.223 ± 0.101 |
0.035 ± 0.035 |
2.02 ± 7.61 |
192.90 ± 5.92 |
| MX1 |
-0.970 ± 0.054 |
0.206 ± 0.233 |
-0.132 ± 0.131 |
-7.59 ± 10.18 |
168.03 ± 13.74 |
| MX2 |
-0.972 ± 0.053 |
0.198 ± 0.236 |
-0.126 ± 0.125 |
-7.24 ± 10.25 |
168.51 ± 13.91 |
| MX3 |
-0.984 ± 0.045 |
0.160 ± 0.249 |
-0.084 ± 0.084 |
-4.80 ± 14.11 |
170.75 ± 14.48 |
| RH08 |
-0.997 ± 0.002 |
0.061 ± 0.024 |
-0.039 ± 0.039 |
-2.24 ± 1.37 |
176.49 ± 1.36 |
| RH09 |
-0.903 ± 0.029 |
0.413 ± 0.062 |
0.117 ± 0.117 |
6.74 ± 4.04 |
155.43 ± 3.95 |
| RH10 |
-0.913 ± 0.028 |
0.398 ± 0.064 |
0.084 ± 0.084 |
4.81 ± 4.02 |
156.43 ± 3.99 |
| Average |
-0.955 |
0.199 |
-0.025 |
-1.427 |
168.283 |
| Median |
-0.970 |
0.206 |
-0.039 |
-2.241 |
168.508 |
| Deviation |
0.036 |
0.213 |
0.094 |
5.400 |
12.519 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
44.8 ± 2.0 |
325.8 ± 0.5 |
1.54 ± 0.06 |
| VC |
78.8 ± 2.5 |
351.4 ± 0.8 |
1.54 ± 0.06 |
| MX1 |
52.2 ± 2.5 |
346.8 ± 0.7 |
1.54 ± 0.06 |
| MX2 |
52.8 ± 2.5 |
347.7 ± 0.7 |
1.54 ± 0.06 |
| MX3 |
55.8 ± 2.4 |
351.4 ± 0.7 |
1.54 ± 0.06 |
| RH08 |
62.0 ± 2.4 |
356.9 ± 0.7 |
1.54 ± 0.06 |
| RH09 |
48.2 ± 1.3 |
314.0 ± 0.5 |
1.54 ± 0.06 |
| RH10 |
47.8 ± 1.5 |
318.4 ± 2.5 |
1.54 ± 0.06 |
| Average |
55.3 |
339.0 |
1.54 |
| Median |
52.8 |
347.7 |
1.54 |
| Deviation |
10.9 |
16.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
32.5 ± 0.7 |
9.9 ± 0.4 |
12.9 ± 0.8 |
23.9 ± 0.8 |
3.28 ± 0.17 |
1.36 ± 0.07 |
| VC |
40.4 ± 0.7 |
2.5 ± 0.1 |
3.5 ± 0.2 |
25.8 ± 0.9 |
16.03 ± 0.59 |
1.57 ± 0.06 |
| MX1 |
36.1 ± 0.6 |
8.4 ± 0.3 |
11.1 ± 0.7 |
24.5 ± 0.8 |
4.31 ± 0.18 |
1.47 ± 0.06 |
| MX2 |
36.2 ± 0.6 |
8.2 ± 0.3 |
11.0 ± 0.7 |
24.6 ± 0.8 |
4.40 ± 0.19 |
1.48 ± 0.06 |
| MX3 |
37.1 ± 0.6 |
7.6 ± 0.3 |
10.2 ± 0.7 |
24.8 ± 0.9 |
4.88 ± 0.21 |
1.50 ± 0.06 |
| RH8 |
38.6 ± 0.7 |
6.2 ± 0.2 |
8.5 ± 0.6 |
25.1 ± 0.9 |
6.18 ± 0.26 |
1.54 ± 0.06 |
| RH9 |
31.6 ± 0.9 |
9.2 ± 0.3 |
12.1 ± 0.8 |
24.2 ± 0.8 |
3.43 ± 0.20 |
1.31 ± 0.07 |
| RH10 |
31.9 ± 0.8 |
9.3 ± 0.3 |
12.2 ± 0.8 |
24.2 ± 0.8 |
3.43 ± 0.19 |
1.32 ± 0.07 |
| Average |
35.5 |
7.7 |
10.2 |
24.6 |
5.7 |
1.4 |
| Median |
36.2 |
8.4 |
11.1 |
24.6 |
4.4 |
1.5 |
| Deviation |
3.3 |
2.4 |
3.0 |
0.6 |
4.3 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
20.8 ± 0.9 |
10.6 ± 0.3 |
12.8 ± 0.5 |
26.0 ± 0.4 |
1.97 ± 0.10 |
0.80 ± 0.04 |
| VC |
25.9 ± 1.7 |
2.7 ± 0.1 |
3.5 ± 0.1 |
27.9 ± 0.4 |
9.62 ± 0.61 |
0.93 ± 0.06 |
| MX1 |
23.1 ± 1.3 |
8.9 ± 0.2 |
11.0 ± 0.5 |
26.6 ± 0.4 |
2.59 ± 0.15 |
0.87 ± 0.05 |
| MX2 |
23.2 ± 1.3 |
8.8 ± 0.2 |
10.9 ± 0.5 |
26.6 ± 0.4 |
2.65 ± 0.16 |
0.87 ± 0.05 |
| MX3 |
23.7 ± 1.4 |
8.1 ± 0.2 |
10.1 ± 0.4 |
26.9 ± 0.4 |
2.93 ± 0.17 |
0.88 ± 0.05 |
| RH8 |
24.7 ± 1.4 |
6.7 ± 0.2 |
8.4 ± 0.4 |
27.3 ± 0.4 |
3.72 ± 0.22 |
0.91 ± 0.05 |
| RH9 |
20.2 ± 0.6 |
9.8 ± 0.2 |
12.0 ± 0.5 |
26.3 ± 0.4 |
2.05 ± 0.08 |
0.77 ± 0.03 |
| RH10 |
20.3 ± 0.7 |
9.9 ± 0.2 |
12.1 ± 0.5 |
26.3 ± 0.4 |
2.05 ± 0.09 |
0.77 ± 0.03 |
| Average |
22.7 |
8.2 |
10.1 |
26.7 |
3.4 |
0.8 |
| Median |
23.2 |
8.9 |
11.0 |
26.6 |
2.6 |
0.9 |
| Deviation |
2.1 |
2.5 |
3.0 |
0.6 |
2.6 |
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)
| 
