Database: Wind Shock Analysis
Event ID: 20123172212
Observation time: 11/12/2012 317.92547 2212 [UT]
|
|
General
Information (About, Top)
| Year |
2012 |
| Fractional day of year |
317.925469 |
| Arrival time of shock [seconds of day] |
79960.5 ± 20.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
253.397 |
| Y GSE location of spacecraft [Re] |
-46.552 |
| Z GSE location of spacecraft [Re] |
21.684 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0136 |
| Downstream plasma points selected for analysis |
0004
|
| Downstream field points selected for analysis |
0141 |
| Minimum chisq/dof for RH8,RH9,RH10 |
4.36, 17.02, 18.86 |
Event added to database
|
Tue Oct 8 16:01:27 2013
|
Event last processed
|
Tue Oct 8 17:39:31 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
57.796 ± 6.981
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-309.6 ± 1.7 |
-356.6 ± 3.8 |
| Vy GSE [km/s] |
-15.5 ± 2.2 |
-43.7 ± 2.7 |
| Vz GSE [km/s] |
-27.5 ± 2.4 |
-37.1 ± 6.2 |
| Wi [km/s] |
23.1 ± 0.4 |
28.9 ± 0.7 |
| We [km/s] |
729.7 ± 14.2 |
915.3 ± 21.6 |
| Ni [n/cc] |
17.9 ± 0.8 |
37.1 ± 1.9 |
| Bx GSE [nT] |
-4.7 ± 0.5 |
-3.9 ± 1.8 |
| By GSE [nT] |
5.8 ± 0.8 |
11.5 ± 1.2 |
| Bz GSE [nT] |
-1.3 ± 1.2 |
-9.6 ± 3.9 |
Plasma Beta
|
0.347 ± 0.379
|
0.263 ± 0.249
|
Sound Speed [km/s]
|
29.79 ± 0.58
|
37.37 ± 0.88
|
Alfven Speed [km/s]
|
39.84 ± 4.85
|
57.20 ± 6.02
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.857 ± 0.154 |
0.460 ± 0.277 |
0.231 ± 0.227 |
13.38 ± 11.22 |
151.77 ± 18.49 |
| VC |
-0.843 ± 0.033 |
-0.507 ± 0.047 |
-0.177 ± 0.175 |
-10.19 ± 6.66 |
211.02 ± 3.11 |
| MX1 |
-0.974 ± 0.035 |
-0.067 ± 0.352 |
-0.218 ± 0.215 |
-12.61 ± 6.65 |
183.96 ± 20.74 |
| MX2 |
-0.886 ± 0.023 |
-0.324 ± 0.054 |
-0.332 ± 0.319 |
-19.38 ± 2.19 |
200.08 ± 3.46 |
| MX3 |
-0.844 ± 0.029 |
-0.393 ± 0.059 |
-0.366 ± 0.348 |
-21.45 ± 1.95 |
204.96 ± 3.97 |
| RH08 |
-0.838 ± 0.014 |
-0.249 ± 0.023 |
-0.486 ± 0.444 |
-29.08 ± 1.49 |
196.55 ± 1.55 |
| RH09 |
-0.747 ± 0.047 |
-0.265 ± 0.068 |
-0.609 ± 0.519 |
-37.51 ± 4.02 |
199.55 ± 5.06 |
| RH10 |
-0.772 ± 0.045 |
-0.244 ± 0.067 |
-0.587 ± 0.508 |
-35.92 ± 4.03 |
197.55 ± 4.90 |
| Average |
-0.845 |
-0.199 |
-0.318 |
-19.097 |
193.179 |
| Median |
-0.843 |
-0.249 |
-0.332 |
-19.384 |
199.554 |
| Deviation |
0.069 |
0.295 |
0.272 |
16.489 |
18.422 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
33.2 ± 6.6 |
300.3 ± 2.1 |
2.04 ± 0.13 |
| VC |
80.3 ± 2.5 |
383.3 ± 2.3 |
2.04 ± 0.13 |
| MX1 |
54.0 ± 2.5 |
407.1 ± 1.9 |
2.04 ± 0.13 |
| MX2 |
68.9 ± 3.4 |
395.1 ± 1.9 |
2.04 ± 0.13 |
| MX3 |
73.2 ± 3.6 |
384.6 ± 1.8 |
2.04 ± 0.13 |
| RH08 |
65.4 ± 4.6 |
377.1 ± 1.5 |
2.04 ± 0.13 |
| RH09 |
68.2 ± 5.7 |
345.7 ± 1.3 |
2.04 ± 0.13 |
| RH10 |
66.6 ± 5.5 |
353.6 ± 5.7 |
2.04 ± 0.13 |
| Average |
63.7 |
368.3 |
2.04 |
| Median |
68.2 |
383.3 |
2.04 |
| Deviation |
14.4 |
34.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
48.3 ± 2.1 |
22.2 ± 0.6 |
33.3 ± 4.1 |
44.6 ± 4.1 |
2.18 ± 0.12 |
1.09 ± 0.10 |
| VC |
109.4 ± 0.9 |
4.0 ± 0.2 |
6.7 ± 0.8 |
49.7 ± 3.9 |
27.35 ± 1.00 |
2.21 ± 0.16 |
| MX1 |
98.6 ± 1.7 |
14.6 ± 0.5 |
23.4 ± 2.9 |
47.6 ± 3.9 |
6.76 ± 0.28 |
2.08 ± 0.16 |
| MX2 |
106.7 ± 1.2 |
8.7 ± 0.3 |
14.4 ± 1.8 |
49.0 ± 3.9 |
12.27 ± 0.49 |
2.19 ± 0.16 |
| MX3 |
107.2 ± 1.0 |
6.9 ± 0.3 |
11.5 ± 1.4 |
49.3 ± 3.9 |
15.48 ± 0.62 |
2.18 ± 0.16 |
| RH8 |
100.5 ± 1.4 |
10.1 ± 0.4 |
16.6 ± 2.0 |
48.8 ± 3.9 |
9.97 ± 0.43 |
2.07 ± 0.16 |
| RH9 |
93.4 ± 1.5 |
9.0 ± 0.3 |
14.8 ± 1.8 |
49.0 ± 3.9 |
10.45 ± 0.48 |
1.92 ± 0.15 |
| RH10 |
94.6 ± 1.5 |
9.6 ± 0.4 |
15.8 ± 1.9 |
48.9 ± 3.9 |
9.83 ± 0.45 |
1.95 ± 0.15 |
| Average |
94.8 |
10.6 |
17.1 |
48.4 |
11.8 |
2.0 |
| Median |
100.5 |
9.6 |
15.8 |
49.0 |
10.4 |
2.1 |
| Deviation |
19.7 |
5.5 |
8.1 |
1.6 |
7.4 |
0.4 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
23.3 ± 4.3 |
28.8 ± 0.8 |
47.8 ± 5.0 |
62.0 ± 5.2 |
0.81 ± 0.17 |
0.38 ± 0.10 |
| VC |
53.8 ± 3.1 |
5.3 ± 0.2 |
9.6 ± 1.0 |
68.2 ± 5.0 |
10.26 ± 0.94 |
0.79 ± 0.10 |
| MX1 |
48.9 ± 2.5 |
19.1 ± 0.7 |
33.6 ± 3.5 |
65.7 ± 5.0 |
2.57 ± 0.21 |
0.75 ± 0.10 |
| MX2 |
52.7 ± 2.0 |
11.4 ± 0.4 |
20.6 ± 2.2 |
67.4 ± 5.0 |
4.63 ± 0.33 |
0.79 ± 0.09 |
| MX3 |
53.0 ± 1.8 |
9.1 ± 0.3 |
16.5 ± 1.7 |
67.8 ± 5.0 |
5.83 ± 0.39 |
0.79 ± 0.08 |
| RH8 |
49.4 ± 1.0 |
13.2 ± 0.5 |
23.8 ± 2.5 |
67.1 ± 5.0 |
3.74 ± 0.18 |
0.74 ± 0.07 |
| RH9 |
44.9 ± 1.1 |
11.7 ± 0.4 |
21.2 ± 2.2 |
67.4 ± 5.0 |
3.83 ± 0.12 |
0.67 ± 0.04 |
| RH10 |
45.8 ± 1.0 |
12.6 ± 0.5 |
22.8 ± 2.4 |
67.2 ± 5.0 |
3.63 ± 0.12 |
0.68 ± 0.05 |
| Average |
46.5 |
13.9 |
24.5 |
66.6 |
4.4 |
0.7 |
| Median |
49.4 |
12.6 |
22.8 |
67.4 |
3.8 |
0.7 |
| Deviation |
9.9 |
7.2 |
11.6 |
2.0 |
2.8 |
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)
| 
