Database: Wind Shock Analysis
Event ID: 20100461739
Observation time: 02/15/2010 46.73568 1739 [UT]
|
|
General
Information (About, Top)
| Year |
2010 |
| Fractional day of year |
46.735677 |
| Arrival time of shock [seconds of day] |
63562.5 ± 30.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
197.155 |
| Y GSE location of spacecraft [Re] |
-30.525 |
| Z GSE location of spacecraft [Re] |
-18.787 |
| Upstream plasma points selected for analysis |
0003 |
| Upstream field points selected for analysis |
0116 |
| Downstream plasma points selected for analysis |
0004
|
| Downstream field points selected for analysis |
0140 |
| Minimum chisq/dof for RH8,RH9,RH10 |
36.23, 118.21, 179.14 |
Event added to database
|
Fri Sep 20 15:18:53 2013
|
Event last processed
|
Tue Sep 24 11:04:04 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
82.199 ± 10.148
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-293.5 ± 0.6 |
-326.0 ± 1.6 |
| Vy GSE [km/s] |
-13.5 ± 0.4 |
-30.9 ± 3.3 |
| Vz GSE [km/s] |
9.0 ± 1.2 |
38.7 ± 3.1 |
| Wi [km/s] |
18.2 ± 0.5 |
21.7 ± 1.6 |
| We [km/s] |
575.6 ± 14.3 |
685.8 ± 51.6 |
| Ni [n/cc] |
9.1 ± 0.4 |
15.0 ± 0.5 |
| Bx GSE [nT] |
-2.5 ± 0.2 |
-2.3 ± 0.1 |
| By GSE [nT] |
-5.8 ± 0.1 |
-8.6 ± 0.5 |
| Bz GSE [nT] |
-3.5 ± 0.2 |
-9.1 ± 0.1 |
Plasma Beta
|
0.121 ± 0.121
|
0.092 ± 0.098
|
Sound Speed [km/s]
|
23.50 ± 0.58
|
28.00 ± 2.11
|
Alfven Speed [km/s]
|
52.29 ± 1.02
|
71.75 ± 2.66
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.569 ± 0.057 |
-0.747 ± 0.044 |
0.344 ± 0.329 |
20.10 ± 2.45 |
232.73 ± 4.29 |
| VC |
-0.688 ± 0.043 |
-0.369 ± 0.063 |
0.625 ± 0.527 |
38.69 ± 2.97 |
208.23 ± 5.10 |
| MX1 |
-0.701 ± 0.031 |
-0.648 ± 0.033 |
0.297 ± 0.288 |
17.28 ± 3.04 |
222.75 ± 2.57 |
| MX2 |
-0.723 ± 0.038 |
-0.628 ± 0.042 |
0.288 ± 0.279 |
16.71 ± 3.36 |
220.96 ± 3.23 |
| MX3 |
-0.750 ± 0.049 |
-0.602 ± 0.059 |
0.275 ± 0.268 |
15.97 ± 3.81 |
218.73 ± 4.43 |
| RH08 |
-0.761 ± 0.019 |
0.565 ± 0.026 |
-0.318 ± 0.307 |
-18.57 ± 0.69 |
143.40 ± 1.92 |
| RH09 |
-0.941 ± 0.024 |
-0.334 ± 0.065 |
0.061 ± 0.061 |
3.52 ± 3.80 |
199.55 ± 3.99 |
| RH10 |
-0.953 ± 0.021 |
-0.301 ± 0.065 |
0.039 ± 0.039 |
2.24 ± 4.06 |
197.55 ± 3.91 |
| Average |
-0.761 |
-0.383 |
0.201 |
11.993 |
205.487 |
| Median |
-0.723 |
-0.369 |
0.288 |
16.709 |
218.731 |
| Deviation |
0.129 |
0.417 |
0.277 |
16.670 |
27.815 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
50.9 ± 2.2 |
289.5 ± 2.9 |
1.68 ± 0.11 |
| VC |
76.8 ± 2.2 |
331.9 ± 2.4 |
1.68 ± 0.11 |
| MX1 |
51.9 ± 2.2 |
329.1 ± 2.6 |
1.68 ± 0.11 |
| MX2 |
52.2 ± 2.2 |
335.4 ± 2.6 |
1.68 ± 0.11 |
| MX3 |
52.6 ± 2.2 |
342.7 ± 2.5 |
1.68 ± 0.11 |
| RH08 |
87.5 ± 0.2 |
224.5 ± 2.1 |
1.68 ± 0.11 |
| RH09 |
56.0 ± 1.8 |
379.1 ± 1.8 |
1.68 ± 0.11 |
| RH10 |
56.8 ± 1.8 |
379.8 ± 5.9 |
1.68 ± 0.11 |
| Average |
60.6 |
326.5 |
1.68 |
| Median |
56.0 |
335.4 |
1.68 |
| Deviation |
13.7 |
50.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
109.4 ± 1.1 |
13.9 ± 0.3 |
32.9 ± 0.6 |
55.6 ± 0.9 |
7.87 ± 0.24 |
1.97 ± 0.03 |
| VC |
119.5 ± 1.3 |
4.9 ± 0.1 |
12.0 ± 0.2 |
57.1 ± 0.9 |
24.27 ± 0.74 |
2.09 ± 0.03 |
| MX1 |
112.0 ± 1.1 |
13.6 ± 0.3 |
32.3 ± 0.6 |
55.7 ± 0.9 |
8.22 ± 0.25 |
2.01 ± 0.03 |
| MX2 |
112.1 ± 1.1 |
13.5 ± 0.3 |
32.1 ± 0.6 |
55.7 ± 0.9 |
8.29 ± 0.25 |
2.01 ± 0.03 |
| MX3 |
112.0 ± 1.1 |
13.4 ± 0.3 |
31.7 ± 0.6 |
55.8 ± 0.9 |
8.38 ± 0.25 |
2.01 ± 0.03 |
| RH8 |
11.6 ± 0.2 |
0.9 ± 0.0 |
2.3 ± 0.0 |
57.3 ± 0.9 |
12.21 ± 0.27 |
0.20 ± 0.01 |
| RH9 |
98.0 ± 0.8 |
12.3 ± 0.3 |
29.2 ± 0.6 |
56.0 ± 0.9 |
8.00 ± 0.23 |
1.75 ± 0.03 |
| RH10 |
95.8 ± 0.8 |
12.0 ± 0.2 |
28.6 ± 0.6 |
56.1 ± 0.9 |
7.99 ± 0.23 |
1.71 ± 0.02 |
| Average |
96.3 |
10.6 |
25.1 |
56.2 |
10.7 |
1.7 |
| Median |
112.0 |
13.4 |
31.7 |
56.0 |
8.3 |
2.0 |
| Deviation |
35.1 |
4.9 |
11.5 |
0.7 |
5.7 |
0.6 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
67.6 ± 1.8 |
16.8 ± 1.2 |
45.2 ± 1.7 |
75.2 ± 2.7 |
4.04 ± 0.37 |
0.90 ± 0.05 |
| VC |
72.1 ± 1.8 |
6.0 ± 0.4 |
16.4 ± 0.6 |
76.8 ± 2.8 |
12.09 ± 1.03 |
0.94 ± 0.04 |
| MX1 |
69.0 ± 1.3 |
16.5 ± 1.1 |
44.3 ± 1.6 |
75.2 ± 2.7 |
4.20 ± 0.35 |
0.92 ± 0.05 |
| MX2 |
69.0 ± 1.2 |
16.4 ± 1.1 |
44.0 ± 1.6 |
75.3 ± 2.7 |
4.24 ± 0.35 |
0.92 ± 0.05 |
| MX3 |
68.9 ± 1.0 |
16.2 ± 1.1 |
43.5 ± 1.6 |
75.3 ± 2.7 |
4.28 ± 0.35 |
0.92 ± 0.04 |
| RH8 |
6.2 ± 3.3 |
1.2 ± 0.1 |
3.2 ± 0.1 |
77.0 ± 2.8 |
5.25 ± 2.68 |
0.08 ± 0.04 |
| RH9 |
59.8 ± 0.4 |
14.8 ± 1.0 |
40.1 ± 1.5 |
75.6 ± 2.7 |
4.04 ± 0.25 |
0.79 ± 0.03 |
| RH10 |
58.4 ± 0.5 |
14.5 ± 1.0 |
39.3 ± 1.5 |
75.7 ± 2.8 |
4.03 ± 0.24 |
0.77 ± 0.02 |
| Average |
58.9 |
12.8 |
34.5 |
75.8 |
5.3 |
0.8 |
| Median |
68.9 |
16.2 |
43.5 |
75.6 |
4.2 |
0.9 |
| Deviation |
21.8 |
5.9 |
15.8 |
0.7 |
2.8 |
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)
| 
