Database: Wind Shock Analysis
Event ID: 20112162120
Observation time: 08/04/2011 216.88922 2120 [UT]
|
|
General
Information (About, Top)
| Year |
2011 |
| Fractional day of year |
216.889219 |
| Arrival time of shock [seconds of day] |
76828.5 ± 60.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
202.460 |
| Y GSE location of spacecraft [Re] |
-27.481 |
| Z GSE location of spacecraft [Re] |
-18.367 |
| Upstream plasma points selected for analysis |
0003 |
| Upstream field points selected for analysis |
0104 |
| Downstream plasma points selected for analysis |
0002
|
| Downstream field points selected for analysis |
0074 |
| Minimum chisq/dof for RH8,RH9,RH10 |
-1352.32, -910.22, -684.59 |
Event added to database
|
Fri Sep 20 13:29:24 2013
|
Event last processed
|
Tue Sep 24 10:25:26 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
-11.305 ± 33.826
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-354.0 ± 3.2 |
-460.2 ± 5.3 |
| Vy GSE [km/s] |
10.9 ± 16.0 |
-52.9 ± 13.6 |
| Vz GSE [km/s] |
38.4 ± 11.6 |
-5.4 ± 0.7 |
| Wi [km/s] |
38.6 ± 4.4 |
87.7 ± 11.7 |
| We [km/s] |
1221.7 ± 139.8 |
2772.9 ± 369.5 |
| Ni [n/cc] |
2.3 ± 0.1 |
7.0 ± 1.5 |
| Bx GSE [nT] |
2.1 ± 0.5 |
2.1 ± 0.6 |
| By GSE [nT] |
1.1 ± 1.6 |
-4.9 ± 0.1 |
| Bz GSE [nT] |
3.1 ± 0.6 |
7.8 ± 0.6 |
Plasma Beta
|
0.419 ± 0.457
|
1.279 ± 1.625
|
Sound Speed [km/s]
|
49.88 ± 5.71
|
113.20 ± 15.08
|
Alfven Speed [km/s]
|
60.12 ± 1.29
|
78.77 ± 4.94
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.574 ± 0.102 |
-0.502 ± 0.109 |
-0.648 ± 0.537 |
-40.36 ± 6.54 |
221.18 ± 9.78 |
| VC |
-0.811 ± 0.070 |
-0.482 ± 0.112 |
-0.331 ± 0.318 |
-19.34 ± 4.64 |
210.72 ± 7.86 |
| MX1 |
-0.999 ± 0.040 |
0.043 ± 0.728 |
-0.034 ± 0.034 |
-1.93 ± 41.42 |
177.53 ± 41.75 |
| MX2 |
-0.808 ± 0.030 |
-0.356 ± 0.057 |
-0.470 ± 0.432 |
-28.05 ± 2.09 |
203.78 ± 4.04 |
| MX3 |
-0.827 ± 0.024 |
-0.341 ± 0.051 |
-0.448 ± 0.415 |
-26.61 ± 1.64 |
202.40 ± 3.55 |
| RH08 |
0.009 ± 0.070 |
-0.681 ± 0.051 |
0.732 ± 0.560 |
47.04 ± 3.96 |
270.75 ± 5.90 |
| RH09 |
0.009 ± 0.024 |
-0.681 ± 0.026 |
0.732 ± 0.560 |
47.04 ± 2.00 |
270.75 ± 2.00 |
| RH10 |
0.009 ± 0.024 |
-0.681 ± 0.026 |
0.732 ± 0.560 |
47.04 ± 2.00 |
270.75 ± 2.00 |
| Average |
-0.499 |
-0.460 |
0.033 |
3.103 |
228.484 |
| Median |
-0.574 |
-0.482 |
-0.034 |
-1.932 |
221.177 |
| Deviation |
0.436 |
0.247 |
0.604 |
37.916 |
37.062 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
24.6 ± 7.3 |
363.3 ± 9.8 |
3.07 ± 0.45 |
| VC |
38.3 ± 6.4 |
474.3 ± 9.7 |
3.07 ± 0.45 |
| MX1 |
59.0 ± 9.0 |
510.9 ± 3.9 |
3.07 ± 0.45 |
| MX2 |
31.6 ± 4.4 |
464.4 ± 8.6 |
3.07 ± 0.45 |
| MX3 |
32.9 ± 4.6 |
472.0 ± 8.5 |
3.07 ± 0.45 |
| RH08 |
65.6 ± 19.2 |
39.2 ± 7.1 |
3.07 ± 0.45 |
| RH09 |
65.6 ± 19.2 |
39.2 ± 7.1 |
3.07 ± 0.45 |
| RH10 |
65.6 ± 19.2 |
39.2 ± 15.8 |
3.07 ± 0.45 |
| Average |
47.9 |
300.3 |
3.07 |
| Median |
59.0 |
464.4 |
3.07 |
| Deviation |
17.7 |
220.2 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
190.6 ± 7.0 |
40.8 ± 3.2 |
54.7 ± 1.2 |
66.8 ± 1.2 |
4.71 ± 0.56 |
2.86 ± 0.15 |
| VC |
205.1 ± 5.9 |
33.1 ± 2.3 |
47.2 ± 1.0 |
70.9 ± 1.8 |
6.22 ± 0.61 |
2.90 ± 0.15 |
| MX1 |
158.3 ± 4.0 |
20.4 ± 1.3 |
31.0 ± 0.7 |
75.5 ± 2.4 |
7.78 ± 0.68 |
2.10 ± 0.11 |
| MX2 |
200.4 ± 5.9 |
36.9 ± 2.7 |
51.2 ± 1.1 |
69.0 ± 1.5 |
5.46 ± 0.59 |
2.91 ± 0.15 |
| MX3 |
200.3 ± 5.8 |
36.2 ± 2.7 |
50.5 ± 1.1 |
69.3 ± 1.6 |
5.55 ± 0.59 |
2.89 ± 0.15 |
| RH8 |
21.8 ± 17.9 |
16.1 ± 1.0 |
24.8 ± 0.5 |
76.6 ± 2.5 |
1.34 ± 1.07 |
0.28 ± 0.23 |
| RH9 |
21.8 ± 17.9 |
16.1 ± 1.0 |
24.8 ± 0.5 |
76.6 ± 2.5 |
1.34 ± 1.07 |
0.28 ± 0.23 |
| RH10 |
21.8 ± 17.9 |
16.1 ± 1.0 |
24.8 ± 0.5 |
76.6 ± 2.5 |
1.34 ± 1.07 |
0.28 ± 0.23 |
| Average |
127.5 |
27.0 |
38.6 |
72.6 |
4.2 |
1.8 |
| Median |
190.6 |
33.1 |
47.2 |
75.5 |
5.5 |
2.9 |
| Deviation |
88.7 |
10.8 |
13.4 |
4.1 |
2.5 |
1.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
69.3 ± 3.4 |
67.0 ± 1.9 |
71.6 ± 4.5 |
120.8 ± 12.0 |
1.04 ± 0.08 |
0.57 ± 0.03 |
| VC |
73.7 ± 2.0 |
55.0 ± 0.8 |
61.8 ± 3.9 |
126.7 ± 10.7 |
1.34 ± 0.06 |
0.58 ± 0.03 |
| MX1 |
53.5 ± 5.9 |
34.2 ± 0.1 |
40.6 ± 2.5 |
133.9 ± 9.9 |
1.56 ± 0.17 |
0.40 ± 0.07 |
| MX2 |
71.3 ± 0.2 |
61.1 ± 1.2 |
67.1 ± 4.2 |
123.9 ± 11.2 |
1.17 ± 0.03 |
0.58 ± 0.05 |
| MX3 |
71.1 ± 0.0 |
60.0 ± 1.1 |
66.2 ± 4.1 |
124.4 ± 11.1 |
1.19 ± 0.02 |
0.57 ± 0.05 |
| RH8 |
11.3 ± 9.8 |
27.0 ± 0.0 |
32.5 ± 2.0 |
135.5 ± 9.7 |
0.42 ± 0.36 |
0.08 ± 0.07 |
| RH9 |
11.3 ± 9.8 |
27.0 ± 0.0 |
32.5 ± 2.0 |
135.5 ± 9.7 |
0.42 ± 0.36 |
0.08 ± 0.07 |
| RH10 |
11.3 ± 9.8 |
27.0 ± 0.0 |
32.5 ± 2.0 |
135.5 ± 9.7 |
0.42 ± 0.36 |
0.08 ± 0.07 |
| Average |
46.6 |
44.8 |
50.6 |
129.5 |
0.9 |
0.4 |
| Median |
69.3 |
55.0 |
61.8 |
133.9 |
1.2 |
0.6 |
| Deviation |
29.9 |
17.5 |
17.6 |
6.2 |
0.5 |
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)
| 
