Database: Wind Shock Analysis
Event ID: 20072630923
Observation time: 09/20/2007 263.39099 0923 [UT]
|
|
General
Information (About, Top)
| Year |
2007 |
| Fractional day of year |
263.390990 |
| Arrival time of shock [seconds of day] |
33781.5 ± 30.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
199.450 |
| Y GSE location of spacecraft [Re] |
-10.396 |
| Z GSE location of spacecraft [Re] |
-19.920 |
| Upstream plasma points selected for analysis |
0006 |
| Upstream field points selected for analysis |
0189 |
| Downstream plasma points selected for analysis |
0006
|
| Downstream field points selected for analysis |
0215 |
| Minimum chisq/dof for RH8,RH9,RH10 |
13.76, 22.48, 23.69 |
Event added to database
|
Thu Sep 26 11:14:20 2013
|
Event last processed
|
Thu Sep 26 12:21:00 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
65.820 ± 18.361
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-322.5 ± 1.1 |
-342.9 ± 2.1 |
| Vy GSE [km/s] |
-19.7 ± 2.4 |
-40.7 ± 2.3 |
| Vz GSE [km/s] |
8.2 ± 1.8 |
25.5 ± 1.8 |
| Wi [km/s] |
23.9 ± 1.1 |
28.5 ± 1.4 |
| We [km/s] |
756.3 ± 35.5 |
899.7 ± 43.9 |
| Ni [n/cc] |
10.8 ± 0.5 |
17.4 ± 1.2 |
| Bx GSE [nT] |
-1.9 ± 0.3 |
-2.7 ± 0.5 |
| By GSE [nT] |
3.6 ± 0.1 |
6.7 ± 0.3 |
| Bz GSE [nT] |
2.5 ± 0.2 |
4.5 ± 0.6 |
Plasma Beta
|
0.566 ± 0.546
|
0.408 ± 0.436
|
Sound Speed [km/s]
|
30.87 ± 1.45
|
36.73 ± 1.79
|
Alfven Speed [km/s]
|
31.99 ± 1.41
|
44.85 ± 2.41
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.982 ± 0.090 |
-0.167 ± 0.446 |
-0.083 ± 0.083 |
-4.76 ± 33.57 |
189.65 ± 25.99 |
| VC |
-0.601 ± 0.062 |
-0.615 ± 0.061 |
0.511 ± 0.461 |
30.74 ± 5.45 |
225.64 ± 4.82 |
| MX1 |
-0.640 ± 0.054 |
-0.519 ± 0.063 |
0.566 ± 0.496 |
34.49 ± 2.73 |
219.07 ± 5.43 |
| MX2 |
-0.630 ± 0.047 |
-0.523 ± 0.055 |
0.574 ± 0.500 |
35.00 ± 2.34 |
219.72 ± 4.79 |
| MX3 |
-0.619 ± 0.042 |
-0.528 ± 0.048 |
0.581 ± 0.505 |
35.54 ± 2.14 |
220.44 ± 4.20 |
| RH08 |
-0.756 ± 0.012 |
0.210 ± 0.015 |
-0.620 ± 0.525 |
-38.32 ± 1.04 |
164.46 ± 1.12 |
| RH09 |
-0.955 ± 0.021 |
-0.160 ± 0.063 |
0.251 ± 0.246 |
14.56 ± 4.07 |
189.53 ± 3.76 |
| RH10 |
-0.957 ± 0.020 |
-0.161 ± 0.067 |
0.240 ± 0.235 |
13.90 ± 4.02 |
189.53 ± 4.01 |
| Average |
-0.768 |
-0.308 |
0.253 |
15.143 |
202.254 |
| Median |
-0.640 |
-0.167 |
0.511 |
30.744 |
219.068 |
| Deviation |
0.170 |
0.284 |
0.423 |
25.869 |
21.965 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
77.6 ± 3.9 |
375.7 ± 2.0 |
1.62 ± 0.14 |
| VC |
87.7 ± 0.9 |
299.4 ± 2.5 |
1.62 ± 0.14 |
| MX1 |
81.0 ± 0.9 |
309.6 ± 2.4 |
1.62 ± 0.14 |
| MX2 |
81.2 ± 0.9 |
306.5 ± 2.4 |
1.62 ± 0.14 |
| MX3 |
81.4 ± 0.8 |
303.1 ± 2.4 |
1.62 ± 0.14 |
| RH08 |
82.7 ± 4.4 |
233.7 ± 1.0 |
1.62 ± 0.14 |
| RH09 |
67.4 ± 3.0 |
383.5 ± 2.1 |
1.62 ± 0.14 |
| RH10 |
67.7 ± 3.1 |
383.9 ± 12.4 |
1.62 ± 0.14 |
| Average |
78.3 |
324.4 |
1.62 |
| Median |
81.2 |
309.6 |
1.62 |
| Deviation |
7.2 |
52.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
56.2 ± 0.7 |
4.8 ± 0.1 |
6.9 ± 0.3 |
44.2 ± 0.7 |
11.77 ± 0.20 |
1.27 ± 0.02 |
| VC |
89.3 ± 0.7 |
0.9 ± 0.0 |
1.3 ± 0.1 |
44.5 ± 0.7 |
99.07 ± 2.50 |
2.01 ± 0.05 |
| MX1 |
88.3 ± 0.7 |
3.5 ± 0.1 |
5.0 ± 0.2 |
44.4 ± 0.7 |
25.41 ± 0.62 |
1.99 ± 0.04 |
| MX2 |
88.3 ± 0.7 |
3.4 ± 0.1 |
4.9 ± 0.2 |
44.4 ± 0.7 |
25.90 ± 0.63 |
1.99 ± 0.04 |
| MX3 |
88.2 ± 0.7 |
3.3 ± 0.1 |
4.8 ± 0.2 |
44.4 ± 0.7 |
26.47 ± 0.65 |
1.99 ± 0.04 |
| RH8 |
-0.9 ± 0.9 |
2.8 ± 0.1 |
4.1 ± 0.2 |
44.4 ± 0.7 |
-0.31 ± 0.33 |
-0.02 ± 0.02 |
| RH9 |
70.4 ± 1.0 |
8.7 ± 0.2 |
12.3 ± 0.5 |
43.6 ± 0.7 |
8.11 ± 0.17 |
1.61 ± 0.03 |
| RH10 |
70.0 ± 1.0 |
8.6 ± 0.2 |
12.1 ± 0.5 |
43.7 ± 0.7 |
8.17 ± 0.17 |
1.60 ± 0.03 |
| Average |
68.7 |
4.5 |
6.4 |
44.2 |
25.6 |
1.6 |
| Median |
88.2 |
3.5 |
5.0 |
44.4 |
25.4 |
2.0 |
| Deviation |
30.6 |
2.8 |
3.9 |
0.3 |
31.3 |
0.7 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
34.1 ± 2.5 |
6.1 ± 0.2 |
9.6 ± 0.5 |
57.7 ± 1.7 |
5.59 ± 0.48 |
0.59 ± 0.06 |
| VC |
55.3 ± 1.8 |
1.2 ± 0.0 |
1.8 ± 0.1 |
58.0 ± 1.7 |
48.00 ± 2.71 |
0.95 ± 0.05 |
| MX1 |
54.5 ± 1.6 |
4.4 ± 0.1 |
7.0 ± 0.4 |
57.8 ± 1.7 |
12.28 ± 0.67 |
0.94 ± 0.05 |
| MX2 |
54.5 ± 1.6 |
4.4 ± 0.1 |
6.9 ± 0.4 |
57.9 ± 1.7 |
12.51 ± 0.68 |
0.94 ± 0.05 |
| MX3 |
54.4 ± 1.6 |
4.3 ± 0.1 |
6.7 ± 0.4 |
57.9 ± 1.7 |
12.78 ± 0.69 |
0.94 ± 0.05 |
| RH8 |
-1.1 ± 2.3 |
3.6 ± 0.1 |
5.7 ± 0.3 |
57.9 ± 1.7 |
-0.31 ± 0.62 |
-0.02 ± 0.04 |
| RH9 |
43.2 ± 1.9 |
11.1 ± 0.3 |
17.2 ± 0.9 |
56.9 ± 1.7 |
3.90 ± 0.25 |
0.76 ± 0.05 |
| RH10 |
42.9 ± 1.9 |
11.0 ± 0.3 |
17.0 ± 0.9 |
57.0 ± 1.7 |
3.92 ± 0.25 |
0.75 ± 0.05 |
| Average |
42.2 |
5.8 |
9.0 |
57.6 |
12.3 |
0.7 |
| Median |
54.4 |
4.4 |
7.0 |
57.9 |
12.3 |
0.9 |
| Deviation |
19.1 |
3.5 |
5.5 |
0.4 |
15.2 |
0.3 |
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)
| 
