Database: Wind Shock Analysis
Event ID: 20091751429
Observation time: 06/24/2009 175.60394 1429 [UT]
|
|
General
Information (About, Top)
| Year |
2009 |
| Fractional day of year |
175.603941 |
| Arrival time of shock [seconds of day] |
52180.5 ± 20.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
253.938 |
| Y GSE location of spacecraft [Re] |
-65.525 |
| Z GSE location of spacecraft [Re] |
20.223 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0157 |
| Downstream plasma points selected for analysis |
0003
|
| Downstream field points selected for analysis |
0109 |
| Minimum chisq/dof for RH8,RH9,RH10 |
16.58, 28.90, 39.10 |
Event added to database
|
Wed Sep 25 10:02:39 2013
|
Event last processed
|
Wed Sep 25 10:48:37 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
67.533 ± 22.692
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-311.8 ± 1.0 |
-339.8 ± 1.7 |
| Vy GSE [km/s] |
-24.7 ± 2.0 |
-28.4 ± 2.5 |
| Vz GSE [km/s] |
-25.2 ± 2.6 |
-40.7 ± 3.9 |
| Wi [km/s] |
24.7 ± 0.7 |
29.6 ± 0.2 |
| We [km/s] |
782.4 ± 22.9 |
937.4 ± 7.9 |
| Ni [n/cc] |
15.1 ± 0.8 |
23.0 ± 1.4 |
| Bx GSE [nT] |
3.0 ± 0.3 |
3.6 ± 0.4 |
| By GSE [nT] |
-1.4 ± 0.6 |
-5.3 ± 0.2 |
| Bz GSE [nT] |
-2.7 ± 0.4 |
-3.1 ± 1.3 |
Plasma Beta
|
1.082 ± 1.149
|
0.866 ± 0.817
|
Sound Speed [km/s]
|
31.94 ± 0.94
|
38.27 ± 0.32
|
Alfven Speed [km/s]
|
24.14 ± 2.66
|
32.46 ± 4.26
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.758 ± 0.136 |
-0.109 ± 0.205 |
0.643 ± 0.535 |
40.03 ± 11.94 |
188.20 ± 15.40 |
| VC |
-0.873 ± 0.050 |
-0.118 ± 0.090 |
-0.473 ± 0.434 |
-28.20 ± 5.94 |
187.71 ± 5.91 |
| MX1 |
-0.892 ± 0.088 |
-0.101 ± 0.134 |
-0.441 ± 0.410 |
-26.18 ± 11.32 |
186.45 ± 8.61 |
| MX2 |
-0.894 ± 0.036 |
-0.085 ± 0.146 |
-0.440 ± 0.409 |
-26.12 ± 4.34 |
185.46 ± 9.38 |
| MX3 |
-0.888 ± 0.040 |
-0.075 ± 0.157 |
-0.453 ± 0.419 |
-26.96 ± 4.73 |
184.80 ± 10.14 |
| RH08 |
-0.653 ± 0.024 |
-0.232 ± 0.023 |
0.721 ± 0.558 |
46.11 ± 1.91 |
199.55 ± 1.91 |
| RH09 |
-0.784 ± 0.043 |
-0.233 ± 0.068 |
0.575 ± 0.501 |
35.13 ± 3.99 |
196.55 ± 4.90 |
| RH10 |
-0.768 ± 0.045 |
-0.228 ± 0.067 |
0.598 ± 0.514 |
36.71 ± 4.04 |
196.55 ± 4.91 |
| Average |
-0.814 |
-0.148 |
0.091 |
6.315 |
190.658 |
| Median |
-0.784 |
-0.109 |
0.575 |
35.129 |
188.196 |
| Deviation |
0.087 |
0.070 |
0.582 |
35.619 |
5.883 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
25.4 ± 6.4 |
258.1 ± 1.4 |
1.52 ± 0.09 |
| VC |
74.4 ± 6.3 |
378.8 ± 5.4 |
1.52 ± 0.09 |
| MX1 |
72.1 ± 6.3 |
383.5 ± 5.4 |
1.52 ± 0.09 |
| MX2 |
71.7 ± 6.3 |
383.6 ± 5.4 |
1.52 ± 0.09 |
| MX3 |
72.2 ± 6.3 |
381.7 ± 5.4 |
1.52 ± 0.09 |
| RH08 |
32.7 ± 6.5 |
215.0 ± 1.6 |
1.52 ± 0.09 |
| RH09 |
33.0 ± 6.3 |
276.3 ± 1.5 |
1.52 ± 0.09 |
| RH10 |
32.4 ± 6.3 |
268.8 ± 5.6 |
1.52 ± 0.09 |
| Average |
51.7 |
318.2 |
1.52 |
| Median |
71.7 |
378.8 |
1.52 |
| Deviation |
22.5 |
70.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
35.3 ± 2.1 |
20.0 ± 1.5 |
21.8 ± 2.4 |
34.7 ± 1.1 |
1.77 ± 0.12 |
1.02 ± 0.04 |
| VC |
91.7 ± 1.1 |
5.2 ± 0.3 |
6.5 ± 0.7 |
39.8 ± 1.5 |
17.71 ± 1.15 |
2.31 ± 0.10 |
| MX1 |
91.8 ± 1.1 |
6.0 ± 0.4 |
7.4 ± 0.8 |
39.7 ± 1.5 |
15.48 ± 1.00 |
2.32 ± 0.10 |
| MX2 |
91.7 ± 1.1 |
6.1 ± 0.4 |
7.6 ± 0.8 |
39.6 ± 1.5 |
15.10 ± 0.97 |
2.32 ± 0.10 |
| MX3 |
91.5 ± 1.1 |
5.9 ± 0.4 |
7.4 ± 0.8 |
39.7 ± 1.5 |
15.53 ± 1.00 |
2.31 ± 0.10 |
| RH8 |
23.7 ± 2.2 |
18.1 ± 1.3 |
20.3 ± 2.2 |
35.8 ± 1.2 |
1.31 ± 0.11 |
0.66 ± 0.04 |
| RH9 |
40.6 ± 1.9 |
18.0 ± 1.3 |
20.3 ± 2.2 |
35.8 ± 1.2 |
2.26 ± 0.14 |
1.13 ± 0.03 |
| RH10 |
38.7 ± 2.0 |
18.2 ± 1.3 |
20.4 ± 2.2 |
35.7 ± 1.2 |
2.13 ± 0.13 |
1.08 ± 0.03 |
| Average |
63.1 |
12.2 |
13.9 |
37.6 |
8.9 |
1.6 |
| Median |
91.5 |
18.0 |
20.3 |
39.6 |
15.1 |
2.3 |
| Deviation |
30.9 |
6.9 |
7.2 |
2.3 |
7.6 |
0.7 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
23.7 ± 1.9 |
26.0 ± 2.3 |
29.3 ± 3.8 |
43.0 ± 1.6 |
0.91 ± 0.01 |
0.55 ± 0.02 |
| VC |
59.5 ± 2.9 |
6.7 ± 0.5 |
8.7 ± 1.1 |
49.8 ± 2.5 |
8.97 ± 1.04 |
1.20 ± 0.11 |
| MX1 |
59.7 ± 2.9 |
7.6 ± 0.6 |
10.0 ± 1.3 |
49.7 ± 2.5 |
7.85 ± 0.90 |
1.21 ± 0.11 |
| MX2 |
59.6 ± 2.9 |
7.8 ± 0.6 |
10.2 ± 1.3 |
49.6 ± 2.5 |
7.65 ± 0.88 |
1.20 ± 0.11 |
| MX3 |
59.4 ± 3.0 |
7.6 ± 0.6 |
9.9 ± 1.3 |
49.7 ± 2.5 |
7.86 ± 0.92 |
1.20 ± 0.11 |
| RH8 |
15.7 ± 2.6 |
23.5 ± 2.0 |
27.3 ± 3.6 |
44.4 ± 1.9 |
0.67 ± 0.06 |
0.35 ± 0.04 |
| RH9 |
26.7 ± 1.9 |
23.4 ± 2.0 |
27.2 ± 3.6 |
44.5 ± 1.9 |
1.14 ± 0.02 |
0.60 ± 0.02 |
| RH10 |
25.5 ± 2.0 |
23.6 ± 2.0 |
27.4 ± 3.6 |
44.4 ± 1.8 |
1.09 ± 0.01 |
0.57 ± 0.02 |
| Average |
41.2 |
15.8 |
18.8 |
46.9 |
4.5 |
0.9 |
| Median |
59.4 |
23.4 |
27.2 |
49.6 |
7.7 |
1.2 |
| Deviation |
19.9 |
9.0 |
9.7 |
3.0 |
3.8 |
0.4 |
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)
| 
