Database: Wind Shock Analysis
Event ID: 20112681046
Observation time: 09/25/2011 268.44898 1046 [UT]
|
|
General
Information (About, Top)
| Year |
2011 |
| Fractional day of year |
268.448976 |
| Arrival time of shock [seconds of day] |
38791.5 ± 10.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
222.452 |
| Y GSE location of spacecraft [Re] |
99.171 |
| Z GSE location of spacecraft [Re] |
1.011 |
| Upstream plasma points selected for analysis |
0004 |
| Upstream field points selected for analysis |
0133 |
| Downstream plasma points selected for analysis |
0002
|
| Downstream field points selected for analysis |
0065 |
| Minimum chisq/dof for RH8,RH9,RH10 |
Infinity, -1133.72, -579.42 |
Event added to database
|
Fri Sep 20 13:45:49 2013
|
Event last processed
|
Tue Sep 24 10:34:38 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
1.258 ± 0.035
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-314.2 ± 20.3 |
-344.8 ± 4.7 |
| Vy GSE [km/s] |
-22.6 ± 8.9 |
-58.4 ± 2.0 |
| Vz GSE [km/s] |
-8.5 ± 12.5 |
-49.5 ± 3.1 |
| Wi [km/s] |
32.0 ± 27.4 |
29.6 ± 0.5 |
| We [km/s] |
1010.9 ± 865.3 |
934.9 ± 16.0 |
| Ni [n/cc] |
3.9 ± 0.7 |
8.7 ± 0.3 |
| Bx GSE [nT] |
4.5 ± 1.0 |
8.7 ± 0.3 |
| By GSE [nT] |
-4.1 ± 1.1 |
-6.8 ± 1.4 |
| Bz GSE [nT] |
0.6 ± 0.4 |
-1.5 ± 1.0 |
Plasma Beta
|
0.262 ± 0.091
|
0.128 ± 0.134
|
Sound Speed [km/s]
|
41.27 ± 35.32
|
38.17 ± 0.65
|
Alfven Speed [km/s]
|
67.13 ± 10.13
|
82.79 ± 1.70
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.290 ± 0.253 |
0.422 ± 0.257 |
-0.859 ± 0.529 |
-59.20 ± 17.41 |
124.51 ± 27.95 |
| VC |
-0.423 ± 0.237 |
-0.628 ± 0.164 |
-0.653 ± 0.539 |
-40.75 ± 4.29 |
236.03 ± 21.51 |
| MX1 |
-0.638 ± 0.098 |
-0.383 ± 0.140 |
-0.668 ± 0.544 |
-41.91 ± 5.33 |
210.94 ± 12.28 |
| MX2 |
-0.622 ± 0.043 |
-0.450 ± 0.040 |
-0.641 ± 0.534 |
-39.89 ± 4.23 |
215.89 ± 2.62 |
| MX3 |
-0.610 ± 0.086 |
-0.529 ± 0.097 |
-0.589 ± 0.509 |
-36.11 ± 3.01 |
220.93 ± 8.91 |
| RH08 |
-0.000 ± 0.000 |
-0.000 ± 0.000 |
-1.000 ± 0.000 |
-90.00 ± 0.00 |
0.00 ± 104.36 |
| RH09 |
-0.472 ± 0.062 |
0.875 ± 0.034 |
-0.106 ± 0.106 |
-6.09 ± 4.02 |
118.33 ± 4.03 |
| RH10 |
-0.456 ± 0.062 |
0.883 ± 0.033 |
-0.106 ± 0.106 |
-6.09 ± 4.02 |
117.33 ± 4.03 |
| Average |
-0.439 |
0.024 |
-0.578 |
-40.005 |
155.495 |
| Median |
-0.456 |
-0.000 |
-0.641 |
-39.888 |
210.940 |
| Deviation |
0.213 |
0.626 |
0.321 |
27.223 |
80.593 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
54.0 ± 4.2 |
140.2 ± 2.7 |
2.43 ± 0.19 |
| VC |
87.9 ± 3.8 |
265.6 ± 2.6 |
2.43 ± 0.19 |
| MX1 |
73.3 ± 3.8 |
326.4 ± 3.7 |
2.43 ± 0.19 |
| MX2 |
76.8 ± 3.7 |
323.9 ± 3.5 |
2.43 ± 0.19 |
| MX3 |
80.7 ± 3.5 |
322.3 ± 3.4 |
2.43 ± 0.19 |
| RH08 |
83.8 ± 4.4 |
85.6 ± 2.5 |
2.43 ± 0.19 |
| RH09 |
19.9 ± 1.3 |
109.2 ± 2.6 |
2.43 ± 0.19 |
| RH10 |
20.8 ± 1.4 |
102.8 ± 6.7 |
2.43 ± 0.19 |
| Average |
62.2 |
209.5 |
2.43 |
| Median |
76.8 |
265.6 |
2.43 |
| Deviation |
27.7 |
109.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
51.3 ± 12.9 |
19.5 ± 12.5 |
39.4 ± 5.9 |
78.6 ± 27.0 |
3.48 ± 1.77 |
0.73 ± 0.31 |
| VC |
113.0 ± 22.3 |
1.1 ± 0.7 |
2.4 ± 0.4 |
81.1 ± 29.4 |
126.58 ± 60.57 |
1.56 ± 0.62 |
| MX1 |
111.6 ± 24.7 |
9.3 ± 5.8 |
19.3 ± 2.9 |
80.5 ± 28.9 |
15.60 ± 7.65 |
1.56 ± 0.64 |
| MX2 |
113.1 ± 24.6 |
7.3 ± 4.6 |
15.3 ± 2.3 |
80.7 ± 29.1 |
19.98 ± 9.75 |
1.57 ± 0.64 |
| MX3 |
113.6 ± 24.5 |
5.2 ± 3.2 |
10.8 ± 1.6 |
80.9 ± 29.2 |
28.42 ± 13.83 |
1.58 ± 0.64 |
| RH8 |
77.1 ± 12.5 |
3.5 ± 2.2 |
7.2 ± 1.1 |
81.0 ± 29.3 |
28.49 ± 13.18 |
1.06 ± 0.39 |
| RH9 |
-20.2 ± 3.2 |
34.2 ± 24.3 |
63.1 ± 9.5 |
72.8 ± 20.3 |
-0.72 ± 0.25 |
-0.28 ± 0.03 |
| RH10 |
-21.6 ± 2.8 |
33.8 ± 24.0 |
62.7 ± 9.5 |
73.0 ± 20.6 |
-0.78 ± 0.28 |
-0.30 ± 0.04 |
| Average |
67.2 |
14.2 |
27.5 |
78.6 |
27.6 |
0.9 |
| Median |
111.6 |
9.3 |
19.3 |
80.7 |
20.0 |
1.6 |
| Deviation |
58.8 |
13.4 |
24.5 |
3.6 |
41.7 |
0.8 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
22.3 ± 2.2 |
20.9 ± 0.2 |
48.6 ± 1.0 |
88.7 ± 1.4 |
1.07 ± 0.12 |
0.25 ± 0.02 |
| VC |
50.7 ± 1.2 |
1.2 ± 0.0 |
3.0 ± 0.1 |
91.2 ± 1.3 |
40.78 ± 0.54 |
0.56 ± 0.02 |
| MX1 |
50.9 ± 1.7 |
10.0 ± 0.1 |
23.8 ± 0.5 |
90.6 ± 1.3 |
5.07 ± 0.11 |
0.56 ± 0.03 |
| MX2 |
51.6 ± 1.8 |
7.9 ± 0.1 |
18.9 ± 0.4 |
90.8 ± 1.3 |
6.50 ± 0.16 |
0.57 ± 0.03 |
| MX3 |
51.8 ± 2.1 |
5.6 ± 0.1 |
13.3 ± 0.3 |
91.0 ± 1.3 |
9.25 ± 0.28 |
0.57 ± 0.03 |
| RH8 |
36.0 ± 3.1 |
3.7 ± 0.0 |
8.9 ± 0.2 |
91.1 ± 1.3 |
9.66 ± 0.94 |
0.40 ± 0.03 |
| RH9 |
-7.7 ± 0.2 |
35.4 ± 0.6 |
77.9 ± 1.6 |
84.0 ± 1.6 |
-0.22 ± 0.01 |
-0.09 ± 0.00 |
| RH10 |
-8.2 ± 0.1 |
35.1 ± 0.5 |
77.4 ± 1.6 |
84.1 ± 1.6 |
-0.24 ± 0.01 |
-0.10 ± 0.00 |
| Average |
30.9 |
15.0 |
34.0 |
88.9 |
9.0 |
0.3 |
| Median |
50.7 |
10.0 |
23.8 |
90.8 |
6.5 |
0.6 |
| Deviation |
26.1 |
13.8 |
30.2 |
3.1 |
13.4 |
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)
| 
