Database: Wind Shock Analysis
Event ID: 20122482202
Observation time: 09/04/2012 248.91842 2202 [UT]
|
|
General
Information (About, Top)
| Year |
2012 |
| Fractional day of year |
248.918420 |
| Arrival time of shock [seconds of day] |
79351.5 ± 20.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
413.273 |
| Y GSE location of spacecraft [Re] |
227.345 |
| Z GSE location of spacecraft [Re] |
126.196 |
| Upstream plasma points selected for analysis |
0004 |
| Upstream field points selected for analysis |
0143 |
| Downstream plasma points selected for analysis |
0005
|
| Downstream field points selected for analysis |
0136 |
| Minimum chisq/dof for RH8,RH9,RH10 |
23.57, 60.86, 69.32 |
Event added to database
|
Tue Oct 8 15:53:04 2013
|
Event last processed
|
Tue Oct 8 17:27:39 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
84.249 ± 17.719
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-428.6 ± 1.7 |
-470.5 ± 4.9 |
| Vy GSE [km/s] |
20.5 ± 3.0 |
-8.5 ± 6.9 |
| Vz GSE [km/s] |
-0.5 ± 12.6 |
26.9 ± 7.0 |
| Wi [km/s] |
18.4 ± 3.8 |
33.1 ± 3.8 |
| We [km/s] |
580.6 ± 119.5 |
1046.8 ± 119.8 |
| Ni [n/cc] |
1.6 ± 0.2 |
3.1 ± 0.4 |
| Bx GSE [nT] |
-6.1 ± 0.1 |
-8.9 ± 0.3 |
| By GSE [nT] |
4.0 ± 0.2 |
6.4 ± 0.8 |
| Bz GSE [nT] |
-0.8 ± 0.7 |
-4.6 ± 0.6 |
Plasma Beta
|
0.023 ± 0.020
|
0.052 ± 0.057
|
Sound Speed [km/s]
|
23.70 ± 4.88
|
42.74 ± 4.89
|
Alfven Speed [km/s]
|
125.47 ± 7.92
|
148.61 ± 9.78
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.714 ± 0.098 |
0.262 ± 0.209 |
0.649 ± 0.537 |
40.50 ± 5.74 |
159.83 ± 16.66 |
| VC |
-0.735 ± 0.095 |
-0.503 ± 0.102 |
0.456 ± 0.421 |
27.10 ± 11.16 |
214.39 ± 6.90 |
| MX1 |
-0.862 ± 0.091 |
-0.333 ± 0.203 |
0.381 ± 0.361 |
22.40 ± 7.70 |
201.13 ± 13.41 |
| MX2 |
-0.854 ± 0.083 |
-0.377 ± 0.164 |
0.357 ± 0.341 |
20.94 ± 7.11 |
203.83 ± 10.97 |
| MX3 |
-0.845 ± 0.074 |
-0.423 ± 0.133 |
0.328 ± 0.316 |
19.17 ± 6.71 |
206.61 ± 8.93 |
| RH08 |
-0.839 ± 0.016 |
-0.384 ± 0.027 |
0.385 ± 0.365 |
22.67 ± 1.79 |
204.57 ± 1.80 |
| RH09 |
-0.855 ± 0.036 |
-0.391 ± 0.065 |
0.341 ± 0.327 |
19.92 ± 4.02 |
204.57 ± 4.29 |
| RH10 |
-0.855 ± 0.036 |
-0.391 ± 0.065 |
0.341 ± 0.327 |
19.92 ± 4.02 |
204.57 ± 4.29 |
| Average |
-0.820 |
-0.317 |
0.405 |
24.079 |
199.937 |
| Median |
-0.845 |
-0.384 |
0.381 |
22.399 |
204.568 |
| Deviation |
0.060 |
0.239 |
0.107 |
7.092 |
16.661 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
48.6 ± 5.1 |
399.6 ± 5.0 |
1.97 ± 0.36 |
| VC |
73.4 ± 2.5 |
430.4 ± 6.7 |
1.97 ± 0.36 |
| MX1 |
60.6 ± 2.4 |
486.3 ± 6.7 |
1.97 ± 0.36 |
| MX2 |
62.4 ± 2.2 |
481.5 ± 6.8 |
1.97 ± 0.36 |
| MX3 |
64.3 ± 2.0 |
477.6 ± 6.9 |
1.97 ± 0.36 |
| RH08 |
63.6 ± 2.3 |
475.7 ± 6.7 |
1.97 ± 0.36 |
| RH09 |
62.7 ± 2.1 |
481.9 ± 6.8 |
1.97 ± 0.36 |
| RH10 |
62.7 ± 2.1 |
481.9 ± 29.7 |
1.97 ± 0.36 |
| Average |
62.3 |
464.4 |
1.97 |
| Median |
62.7 |
481.5 |
1.97 |
| Deviation |
6.8 |
31.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
88.6 ± 8.9 |
15.5 ± 3.1 |
82.9 ± 5.2 |
126.8 ± 7.3 |
5.90 ± 1.33 |
0.70 ± 0.07 |
| VC |
126.0 ± 7.9 |
6.6 ± 1.3 |
35.8 ± 2.3 |
127.6 ± 7.0 |
19.57 ± 4.06 |
0.99 ± 0.07 |
| MX1 |
123.6 ± 6.8 |
11.5 ± 2.3 |
61.7 ± 3.9 |
127.3 ± 7.1 |
11.10 ± 2.25 |
0.97 ± 0.07 |
| MX2 |
123.2 ± 6.6 |
10.8 ± 2.1 |
58.2 ± 3.7 |
127.3 ± 7.1 |
11.74 ± 2.38 |
0.97 ± 0.07 |
| MX3 |
124.5 ± 6.3 |
10.1 ± 2.0 |
54.5 ± 3.4 |
127.4 ± 7.1 |
12.67 ± 2.55 |
0.98 ± 0.07 |
| RH8 |
124.0 ± 6.9 |
10.4 ± 2.0 |
55.8 ± 3.5 |
127.4 ± 7.1 |
12.33 ± 2.51 |
0.98 ± 0.07 |
| RH9 |
123.6 ± 6.4 |
10.7 ± 2.1 |
57.6 ± 3.6 |
127.3 ± 7.1 |
11.90 ± 2.40 |
0.97 ± 0.07 |
| RH10 |
123.6 ± 6.4 |
10.7 ± 2.1 |
57.6 ± 3.6 |
127.3 ± 7.1 |
11.90 ± 2.40 |
0.97 ± 0.07 |
| Average |
119.7 |
10.8 |
58.0 |
127.3 |
12.1 |
0.9 |
| Median |
123.6 |
10.7 |
57.6 |
127.3 |
11.9 |
1.0 |
| Deviation |
12.6 |
2.4 |
12.8 |
0.2 |
3.7 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
48.5 ± 7.5 |
27.5 ± 2.9 |
98.2 ± 6.5 |
152.2 ± 8.9 |
1.80 ± 0.46 |
0.32 ± 0.05 |
| VC |
68.2 ± 6.1 |
11.7 ± 1.2 |
42.4 ± 2.8 |
154.3 ± 8.4 |
5.89 ± 1.00 |
0.44 ± 0.04 |
| MX1 |
67.4 ± 6.1 |
20.3 ± 2.1 |
73.1 ± 4.8 |
153.4 ± 8.6 |
3.36 ± 0.58 |
0.44 ± 0.04 |
| MX2 |
66.7 ± 6.1 |
19.2 ± 2.0 |
68.9 ± 4.5 |
153.6 ± 8.6 |
3.53 ± 0.60 |
0.44 ± 0.04 |
| MX3 |
67.8 ± 6.0 |
17.9 ± 1.9 |
64.5 ± 4.2 |
153.7 ± 8.6 |
3.83 ± 0.64 |
0.44 ± 0.04 |
| RH8 |
67.2 ± 6.1 |
18.3 ± 1.9 |
66.1 ± 4.3 |
153.7 ± 8.6 |
3.71 ± 0.64 |
0.44 ± 0.04 |
| RH9 |
67.1 ± 6.0 |
18.9 ± 2.0 |
68.2 ± 4.5 |
153.6 ± 8.6 |
3.58 ± 0.61 |
0.44 ± 0.04 |
| RH10 |
67.1 ± 6.0 |
18.9 ± 2.0 |
68.2 ± 4.5 |
153.6 ± 8.6 |
3.58 ± 0.61 |
0.44 ± 0.04 |
| Average |
65.0 |
19.1 |
68.7 |
153.5 |
3.7 |
0.4 |
| Median |
67.2 |
18.9 |
68.2 |
153.6 |
3.6 |
0.4 |
| Deviation |
6.7 |
4.3 |
15.2 |
0.6 |
1.1 |
0.0 |
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)
| 
