Database: Wind Shock Analysis
Event ID: 20070430900
Observation time: 02/12/2007 43.37564 0900 [UT]
|
|
General
Information (About, Top)
| Year |
2007 |
| Fractional day of year |
43.375642 |
| Arrival time of shock [seconds of day] |
32455.5 ± 20.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
218.400 |
| Y GSE location of spacecraft [Re] |
-98.932 |
| Z GSE location of spacecraft [Re] |
0.202 |
| Upstream plasma points selected for analysis |
0004 |
| Upstream field points selected for analysis |
0131 |
| Downstream plasma points selected for analysis |
0003
|
| Downstream field points selected for analysis |
0112 |
| Minimum chisq/dof for RH8,RH9,RH10 |
21.19, 105.42, 174.98 |
Event added to database
|
Thu Sep 26 09:37:05 2013
|
Event last processed
|
Thu Sep 26 12:01:26 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
58.808 ± 1.258
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-316.7 ± 1.1 |
-334.5 ± 0.6 |
| Vy GSE [km/s] |
-12.5 ± 0.6 |
-18.9 ± 1.9 |
| Vz GSE [km/s] |
-7.3 ± 0.4 |
-5.5 ± 0.7 |
| Wi [km/s] |
21.4 ± 0.1 |
25.7 ± 0.6 |
| We [km/s] |
677.6 ± 3.2 |
811.9 ± 17.6 |
| Ni [n/cc] |
8.8 ± 0.2 |
14.0 ± 0.4 |
| Bx GSE [nT] |
1.6 ± 0.2 |
2.5 ± 0.0 |
| By GSE [nT] |
-1.4 ± 0.4 |
-2.4 ± 0.3 |
| Bz GSE [nT] |
1.6 ± 0.3 |
0.8 ± 0.6 |
Plasma Beta
|
1.112 ± 1.125
|
1.462 ± 1.516
|
Sound Speed [km/s]
|
27.66 ± 0.13
|
33.15 ± 0.72
|
Alfven Speed [km/s]
|
20.32 ± 0.18
|
21.25 ± 0.29
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.639 ± 0.378 |
0.316 ± 0.502 |
-0.701 ± 0.554 |
-44.51 ± 26.80 |
153.70 ± 43.02 |
| VC |
-0.939 ± 0.027 |
-0.331 ± 0.077 |
0.096 ± 0.096 |
5.50 ± 2.12 |
199.41 ± 4.68 |
| MX1 |
-0.926 ± 0.404 |
-0.371 ± 1.002 |
0.074 ± 0.074 |
4.24 ± 37.38 |
201.82 ± 62.00 |
| MX2 |
-0.627 ± 0.236 |
-0.741 ± 0.201 |
0.240 ± 0.235 |
13.89 ± 8.79 |
229.80 ± 18.18 |
| MX3 |
-0.759 ± 0.180 |
-0.649 ± 0.211 |
-0.043 ± 0.043 |
-2.47 ± 9.43 |
220.54 ± 15.92 |
| RH08 |
-0.990 ± 0.004 |
-0.113 ± 0.028 |
0.084 ± 0.084 |
4.81 ± 1.60 |
186.52 ± 1.61 |
| RH09 |
-0.542 ± 0.059 |
-0.554 ± 0.058 |
0.631 ± 0.530 |
39.14 ± 4.02 |
225.63 ± 5.18 |
| RH10 |
-0.991 ± 0.009 |
0.113 ± 0.068 |
-0.073 ± 0.072 |
-4.16 ± 4.03 |
173.48 ± 3.95 |
| Average |
-0.802 |
-0.291 |
0.039 |
2.056 |
198.861 |
| Median |
-0.759 |
-0.331 |
0.084 |
4.807 |
201.825 |
| Deviation |
0.182 |
0.373 |
0.371 |
23.200 |
26.696 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
14.1 ± 9.7 |
225.9 ± 0.7 |
1.58 ± 0.03 |
| VC |
70.5 ± 6.9 |
354.3 ± 0.7 |
1.58 ± 0.03 |
| MX1 |
71.4 ± 7.2 |
350.6 ± 0.7 |
1.58 ± 0.03 |
| MX2 |
81.3 ± 8.1 |
250.6 ± 0.8 |
1.58 ± 0.03 |
| MX3 |
81.6 ± 8.8 |
297.0 ± 0.8 |
1.58 ± 0.03 |
| RH08 |
61.1 ± 6.0 |
365.7 ± 0.8 |
1.58 ± 0.03 |
| RH09 |
70.2 ± 5.6 |
212.6 ± 0.6 |
1.58 ± 0.03 |
| RH10 |
46.1 ± 5.7 |
358.9 ± 2.9 |
1.58 ± 0.03 |
| Average |
62.0 |
302.0 |
1.58 |
| Median |
70.5 |
350.6 |
1.58 |
| Deviation |
22.5 |
64.2 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
22.2 ± 0.8 |
19.1 ± 0.2 |
19.7 ± 0.2 |
28.5 ± 0.1 |
1.16 ± 0.04 |
0.78 ± 0.03 |
| VC |
53.5 ± 1.0 |
5.5 ± 0.0 |
6.8 ± 0.1 |
33.9 ± 0.1 |
9.66 ± 0.16 |
1.58 ± 0.03 |
| MX1 |
53.3 ± 1.0 |
5.3 ± 0.0 |
6.5 ± 0.1 |
33.9 ± 0.1 |
10.09 ± 0.17 |
1.57 ± 0.03 |
| MX2 |
44.6 ± 0.8 |
2.5 ± 0.0 |
3.1 ± 0.0 |
34.2 ± 0.1 |
17.90 ± 0.26 |
1.30 ± 0.02 |
| MX3 |
48.1 ± 0.9 |
2.4 ± 0.0 |
3.0 ± 0.0 |
34.2 ± 0.1 |
20.15 ± 0.35 |
1.40 ± 0.03 |
| RH8 |
51.3 ± 1.1 |
8.2 ± 0.0 |
9.8 ± 0.1 |
33.3 ± 0.1 |
6.30 ± 0.11 |
1.54 ± 0.03 |
| RH9 |
38.5 ± 0.6 |
5.6 ± 0.0 |
6.9 ± 0.1 |
33.9 ± 0.1 |
6.86 ± 0.08 |
1.14 ± 0.01 |
| RH10 |
45.9 ± 1.1 |
12.1 ± 0.1 |
14.1 ± 0.1 |
32.1 ± 0.1 |
3.78 ± 0.08 |
1.43 ± 0.03 |
| Average |
44.7 |
7.6 |
8.7 |
33.0 |
9.5 |
1.3 |
| Median |
48.1 |
5.6 |
6.9 |
33.9 |
9.7 |
1.4 |
| Deviation |
10.4 |
5.6 |
5.7 |
1.9 |
6.6 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
14.1 ± 0.2 |
20.2 ± 0.2 |
20.6 ± 0.3 |
33.8 ± 0.7 |
0.70 ± 0.02 |
0.42 ± 0.00 |
| VC |
34.5 ± 1.1 |
6.0 ± 0.0 |
7.1 ± 0.1 |
38.9 ± 0.5 |
5.72 ± 0.17 |
0.89 ± 0.04 |
| MX1 |
34.4 ± 1.2 |
5.8 ± 0.0 |
6.8 ± 0.1 |
39.0 ± 0.5 |
5.96 ± 0.18 |
0.88 ± 0.04 |
| MX2 |
28.3 ± 1.7 |
2.7 ± 0.0 |
3.2 ± 0.0 |
39.3 ± 0.5 |
10.41 ± 0.58 |
0.72 ± 0.05 |
| MX3 |
30.5 ± 1.6 |
2.6 ± 0.0 |
3.1 ± 0.0 |
39.3 ± 0.5 |
11.73 ± 0.58 |
0.78 ± 0.05 |
| RH8 |
32.9 ± 0.8 |
8.9 ± 0.0 |
10.3 ± 0.1 |
38.4 ± 0.5 |
3.70 ± 0.08 |
0.86 ± 0.03 |
| RH9 |
24.2 ± 1.3 |
6.1 ± 0.0 |
7.2 ± 0.1 |
38.9 ± 0.5 |
3.96 ± 0.20 |
0.62 ± 0.04 |
| RH10 |
29.1 ± 0.5 |
13.2 ± 0.1 |
14.7 ± 0.2 |
37.1 ± 0.5 |
2.21 ± 0.03 |
0.78 ± 0.02 |
| Average |
28.5 |
8.2 |
9.1 |
38.1 |
5.5 |
0.7 |
| Median |
30.5 |
6.1 |
7.2 |
38.9 |
5.7 |
0.8 |
| Deviation |
6.7 |
5.9 |
6.0 |
1.9 |
3.8 |
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)
| 
