Database: Wind Shock Analysis
Event ID: 20113521758
Observation time: 12/18/2011 352.74884 1758 [UT]
|
|
General
Information (About, Top)
Year |
2011 |
Fractional day of year |
352.748837 |
Arrival time of shock [seconds of day] |
64699.5 ± 20.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
224.297 |
Y GSE location of spacecraft [Re] |
-96.887 |
Z GSE location of spacecraft [Re] |
10.043 |
Upstream plasma points selected for analysis |
0004 |
Upstream field points selected for analysis |
0130 |
Downstream plasma points selected for analysis |
0002
|
Downstream field points selected for analysis |
0082 |
Minimum chisq/dof for RH8,RH9,RH10 |
Infinity, -5973.23, -3000.83 |
Event added to database
|
Fri Sep 20 14:07:51 2013
|
Event last processed
|
Tue Sep 24 10:55:20 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
559.836 ± 1033.097
|
Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-272.3 ± 0.6 |
-293.8 ± 0.2 |
Vy GSE [km/s] |
-1.2 ± 0.9 |
-6.1 ± 0.0 |
Vz GSE [km/s] |
2.2 ± 0.4 |
4.9 ± 0.5 |
Wi [km/s] |
11.4 ± 0.4 |
14.4 ± 0.0 |
We [km/s] |
359.0 ± 12.6 |
454.6 ± 0.6 |
Ni [n/cc] |
14.6 ± 0.3 |
24.6 ± 0.3 |
Bx GSE [nT] |
-0.2 ± 0.1 |
-0.4 ± 0.0 |
By GSE [nT] |
2.7 ± 0.3 |
3.7 ± 0.1 |
Bz GSE [nT] |
-0.1 ± 0.1 |
-0.4 ± 0.1 |
Plasma Beta
|
0.550 ± 0.579
|
0.748 ± 0.770
|
Sound Speed [km/s]
|
14.65 ± 0.51
|
18.56 ± 0.02
|
Alfven Speed [km/s]
|
15.39 ± 1.43
|
16.63 ± 0.33
|
Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.980 ± 0.189 |
-0.106 ± 0.917 |
-0.170 ± 0.169 |
-9.82 ± 54.34 |
186.19 ± 53.60 |
VC |
-0.967 ± 0.009 |
-0.224 ± 0.035 |
0.121 ± 0.120 |
6.93 ± 1.41 |
193.06 ± 2.05 |
MX1 |
-0.990 ± 0.008 |
-0.077 ± 0.093 |
0.117 ± 0.116 |
6.71 ± 1.57 |
184.42 ± 5.41 |
MX2 |
-0.991 ± 0.008 |
-0.081 ± 0.087 |
0.108 ± 0.107 |
6.19 ± 1.30 |
184.70 ± 5.02 |
MX3 |
-0.992 ± 0.007 |
-0.098 ± 0.065 |
0.079 ± 0.079 |
4.54 ± 2.62 |
185.63 ± 3.75 |
RH08 |
-0.064 ± 0.065 |
0.135 ± 0.049 |
-0.989 ± 0.212 |
-81.43 ± 2.50 |
115.32 ± 26.67 |
RH09 |
-0.960 ± 0.020 |
-0.249 ± 0.068 |
0.128 ± 0.128 |
7.38 ± 4.01 |
194.54 ± 4.07 |
RH10 |
-0.960 ± 0.020 |
-0.249 ± 0.068 |
0.128 ± 0.128 |
7.38 ± 4.01 |
194.54 ± 4.07 |
Average |
-0.863 |
-0.119 |
-0.060 |
-6.512 |
179.801 |
Median |
-0.967 |
-0.098 |
0.117 |
6.715 |
186.194 |
Deviation |
0.323 |
0.127 |
0.389 |
30.819 |
26.426 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
89.3 ± 0.9 |
318.6 ± 0.2 |
1.70 ± 0.02 |
VC |
81.8 ± 1.5 |
318.6 ± 0.3 |
1.70 ± 0.02 |
MX1 |
89.7 ± 1.5 |
324.0 ± 0.3 |
1.70 ± 0.02 |
MX2 |
89.9 ± 1.5 |
324.2 ± 0.3 |
1.70 ± 0.02 |
MX3 |
89.2 ± 1.4 |
324.6 ± 0.3 |
1.70 ± 0.02 |
RH08 |
79.6 ± 2.8 |
10.7 ± 0.4 |
1.70 ± 0.02 |
RH09 |
80.3 ± 1.5 |
316.7 ± 0.3 |
1.70 ± 0.02 |
RH10 |
80.3 ± 1.5 |
316.7 ± 0.8 |
1.70 ± 0.02 |
Average |
85.0 |
281.8 |
1.70 |
Median |
89.2 |
318.6 |
1.70 |
Deviation |
4.9 |
109.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
52.1 ± 0.6 |
0.1 ± 0.0 |
0.2 ± 0.0 |
21.3 ± 1.4 |
386.39 ± 26.68 |
2.46 ± 0.18 |
VC |
54.7 ± 0.6 |
1.5 ± 0.1 |
2.2 ± 0.2 |
21.2 ± 1.4 |
36.01 ± 2.45 |
2.59 ± 0.19 |
MX1 |
54.0 ± 0.6 |
0.1 ± 0.0 |
0.1 ± 0.0 |
21.3 ± 1.4 |
901.43 ± 61.01 |
2.55 ± 0.18 |
MX2 |
54.0 ± 0.6 |
0.0 ± 0.0 |
0.0 ± 0.0 |
21.3 ± 1.4 |
4219.18 ± 285.76 |
2.55 ± 0.18 |
MX3 |
54.1 ± 0.6 |
0.1 ± 0.0 |
0.2 ± 0.0 |
21.3 ± 1.4 |
373.82 ± 25.38 |
2.56 ± 0.18 |
RH8 |
-4.3 ± 0.3 |
1.9 ± 0.1 |
2.8 ± 0.3 |
21.2 ± 1.4 |
-2.25 ± 0.11 |
-0.20 ± 0.01 |
RH9 |
54.7 ± 0.6 |
1.8 ± 0.1 |
2.6 ± 0.2 |
21.2 ± 1.4 |
30.55 ± 2.08 |
2.59 ± 0.19 |
RH10 |
54.7 ± 0.6 |
1.8 ± 0.1 |
2.6 ± 0.2 |
21.2 ± 1.4 |
30.55 ± 2.08 |
2.59 ± 0.19 |
Average |
46.8 |
0.9 |
1.3 |
21.2 |
747.0 |
2.2 |
Median |
54.1 |
1.5 |
2.2 |
21.3 |
373.8 |
2.6 |
Deviation |
20.7 |
0.9 |
1.3 |
0.0 |
1436.4 |
1.0 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
31.0 ± 0.3 |
0.2 ± 0.0 |
0.2 ± 0.0 |
24.9 ± 0.2 |
196.31 ± 0.16 |
1.24 ± 0.00 |
VC |
32.5 ± 0.2 |
1.8 ± 0.0 |
2.4 ± 0.0 |
24.9 ± 0.2 |
18.28 ± 0.11 |
1.31 ± 0.00 |
MX1 |
32.1 ± 0.2 |
0.1 ± 0.0 |
0.1 ± 0.0 |
24.9 ± 0.2 |
456.96 ± 2.55 |
1.29 ± 0.00 |
MX2 |
32.1 ± 0.2 |
0.0 ± 0.0 |
0.0 ± 0.0 |
24.9 ± 0.2 |
2138.80 ± 11.62 |
1.29 ± 0.00 |
MX3 |
32.1 ± 0.2 |
0.2 ± 0.0 |
0.2 ± 0.0 |
24.9 ± 0.2 |
189.50 ± 0.95 |
1.29 ± 0.00 |
RH8 |
-2.4 ± 0.5 |
2.3 ± 0.0 |
3.0 ± 0.1 |
24.8 ± 0.2 |
-1.06 ± 0.24 |
-0.10 ± 0.02 |
RH9 |
32.6 ± 0.1 |
2.1 ± 0.0 |
2.8 ± 0.1 |
24.8 ± 0.2 |
15.51 ± 0.10 |
1.31 ± 0.00 |
RH10 |
32.6 ± 0.1 |
2.1 ± 0.0 |
2.8 ± 0.1 |
24.8 ± 0.2 |
15.51 ± 0.10 |
1.31 ± 0.00 |
Average |
27.8 |
1.1 |
1.4 |
24.9 |
378.7 |
1.1 |
Median |
32.1 |
1.8 |
2.4 |
24.9 |
189.5 |
1.3 |
Deviation |
12.2 |
1.1 |
1.4 |
0.0 |
728.1 |
0.5 |
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)
|