Database: Wind Shock Analysis
Event ID: 20113621016
Observation time: 12/28/2011 362.42786 1016 [UT]
|
|
General
Information (About, Top)
Year |
2011 |
Fractional day of year |
362.427865 |
Arrival time of shock [seconds of day] |
36967.5 ± 20.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
213.343 |
Y GSE location of spacecraft [Re] |
-96.466 |
Z GSE location of spacecraft [Re] |
3.000 |
Upstream plasma points selected for analysis |
0004 |
Upstream field points selected for analysis |
0133 |
Downstream plasma points selected for analysis |
0004
|
Downstream field points selected for analysis |
0121 |
Minimum chisq/dof for RH8,RH9,RH10 |
16.99, 75.53, 131.58 |
Event added to database
|
Fri Sep 20 14:09:16 2013
|
Event last processed
|
Mon Oct 7 13:19:57 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
113.206 ± 39.256
|
Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-252.7 ± 0.4 |
-271.1 ± 1.1 |
Vy GSE [km/s] |
-12.4 ± 1.1 |
-23.8 ± 0.9 |
Vz GSE [km/s] |
2.2 ± 0.3 |
10.0 ± 0.7 |
Wi [km/s] |
14.6 ± 0.2 |
17.4 ± 0.3 |
We [km/s] |
462.8 ± 5.9 |
550.7 ± 10.2 |
Ni [n/cc] |
18.7 ± 0.5 |
30.0 ± 0.7 |
Bx GSE [nT] |
-2.8 ± 0.1 |
-3.3 ± 0.1 |
By GSE [nT] |
3.7 ± 0.3 |
6.6 ± 0.2 |
Bz GSE [nT] |
1.2 ± 0.2 |
2.7 ± 0.3 |
Plasma Beta
|
0.369 ± 0.378
|
0.309 ± 0.325
|
Sound Speed [km/s]
|
18.89 ± 0.24
|
22.48 ± 0.42
|
Alfven Speed [km/s]
|
24.12 ± 0.76
|
31.37 ± 1.17
|
Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.976 ± 0.021 |
-0.046 ± 0.076 |
-0.214 ± 0.211 |
-12.37 ± 5.48 |
182.69 ± 4.46 |
VC |
-0.798 ± 0.034 |
-0.498 ± 0.053 |
0.339 ± 0.326 |
19.84 ± 2.18 |
211.96 ± 3.75 |
MX1 |
-0.875 ± 0.023 |
-0.311 ± 0.056 |
0.371 ± 0.353 |
21.77 ± 1.90 |
199.59 ± 3.64 |
MX2 |
-0.859 ± 0.022 |
-0.322 ± 0.052 |
0.397 ± 0.375 |
23.40 ± 1.74 |
200.54 ± 3.46 |
MX3 |
-0.839 ± 0.025 |
-0.335 ± 0.050 |
0.429 ± 0.401 |
25.41 ± 2.13 |
201.76 ± 3.36 |
RH08 |
-0.569 ± 0.015 |
0.236 ± 0.015 |
-0.788 ± 0.559 |
-51.97 ± 1.11 |
157.44 ± 1.34 |
RH09 |
-0.221 ± 0.065 |
-0.377 ± 0.057 |
0.899 ± 0.489 |
64.08 ± 3.35 |
239.67 ± 8.95 |
RH10 |
-0.972 ± 0.016 |
-0.043 ± 0.071 |
-0.229 ± 0.225 |
-13.24 ± 3.97 |
182.51 ± 4.17 |
Average |
-0.764 |
-0.212 |
0.151 |
9.615 |
197.019 |
Median |
-0.839 |
-0.311 |
0.371 |
21.771 |
200.543 |
Deviation |
0.253 |
0.240 |
0.527 |
34.759 |
24.102 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
61.0 ± 3.8 |
291.7 ± 0.6 |
1.60 ± 0.05 |
VC |
79.7 ± 2.3 |
269.5 ± 0.6 |
1.60 ± 0.05 |
MX1 |
68.0 ± 2.3 |
285.7 ± 0.7 |
1.60 ± 0.05 |
MX2 |
68.7 ± 2.2 |
282.1 ± 0.7 |
1.60 ± 0.05 |
MX3 |
69.5 ± 2.1 |
277.1 ± 0.7 |
1.60 ± 0.05 |
RH08 |
71.9 ± 3.2 |
144.1 ± 0.6 |
1.60 ± 0.05 |
RH09 |
85.7 ± 0.9 |
103.7 ± 0.7 |
1.60 ± 0.05 |
RH10 |
61.2 ± 3.8 |
290.3 ± 2.5 |
1.60 ± 0.05 |
Average |
70.7 |
243.0 |
1.60 |
Median |
69.5 |
282.1 |
1.60 |
Deviation |
8.5 |
74.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
45.1 ± 0.5 |
7.4 ± 0.1 |
11.7 ± 0.4 |
29.7 ± 0.7 |
6.07 ± 0.16 |
1.52 ± 0.05 |
VC |
61.0 ± 0.6 |
2.7 ± 0.1 |
4.3 ± 0.1 |
30.5 ± 0.7 |
22.91 ± 0.67 |
2.00 ± 0.07 |
MX1 |
60.0 ± 0.5 |
5.7 ± 0.1 |
9.0 ± 0.3 |
30.1 ± 0.7 |
10.59 ± 0.28 |
1.99 ± 0.06 |
MX2 |
60.1 ± 0.5 |
5.5 ± 0.1 |
8.8 ± 0.3 |
30.1 ± 0.7 |
10.92 ± 0.29 |
1.99 ± 0.06 |
MX3 |
60.1 ± 0.4 |
5.3 ± 0.1 |
8.4 ± 0.3 |
30.2 ± 0.7 |
11.36 ± 0.30 |
1.99 ± 0.06 |
RH8 |
5.0 ± 0.4 |
4.7 ± 0.1 |
7.5 ± 0.2 |
30.3 ± 0.7 |
1.08 ± 0.09 |
0.17 ± 0.01 |
RH9 |
41.2 ± 0.3 |
1.1 ± 0.0 |
1.8 ± 0.1 |
30.6 ± 0.7 |
36.61 ± 0.89 |
1.35 ± 0.04 |
RH10 |
44.5 ± 0.5 |
7.4 ± 0.1 |
11.6 ± 0.4 |
29.7 ± 0.7 |
6.03 ± 0.16 |
1.50 ± 0.05 |
Average |
47.1 |
5.0 |
7.9 |
30.2 |
13.2 |
1.6 |
Median |
60.0 |
5.5 |
8.8 |
30.2 |
10.9 |
2.0 |
Deviation |
18.9 |
2.2 |
3.4 |
0.3 |
11.4 |
0.6 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
28.3 ± 1.1 |
9.1 ± 0.1 |
15.2 ± 0.6 |
37.5 ± 0.8 |
3.10 ± 0.13 |
0.75 ± 0.02 |
VC |
37.9 ± 0.5 |
3.3 ± 0.0 |
5.6 ± 0.2 |
38.5 ± 0.8 |
11.60 ± 0.21 |
0.99 ± 0.02 |
MX1 |
37.4 ± 0.7 |
7.0 ± 0.1 |
11.7 ± 0.4 |
38.0 ± 0.8 |
5.39 ± 0.12 |
0.99 ± 0.01 |
MX2 |
37.5 ± 0.7 |
6.7 ± 0.1 |
11.4 ± 0.4 |
38.0 ± 0.8 |
5.55 ± 0.12 |
0.99 ± 0.01 |
MX3 |
37.4 ± 0.7 |
6.5 ± 0.1 |
11.0 ± 0.4 |
38.1 ± 0.8 |
5.77 ± 0.12 |
0.98 ± 0.01 |
RH8 |
3.4 ± 0.9 |
5.8 ± 0.1 |
9.8 ± 0.4 |
38.2 ± 0.8 |
0.60 ± 0.17 |
0.09 ± 0.02 |
RH9 |
25.8 ± 0.5 |
1.4 ± 0.0 |
2.4 ± 0.1 |
38.6 ± 0.8 |
18.66 ± 0.22 |
0.67 ± 0.02 |
RH10 |
27.9 ± 1.1 |
9.1 ± 0.1 |
15.1 ± 0.6 |
37.5 ± 0.8 |
3.09 ± 0.13 |
0.74 ± 0.02 |
Average |
29.5 |
6.1 |
10.3 |
38.0 |
6.7 |
0.8 |
Median |
37.4 |
6.7 |
11.4 |
38.1 |
5.6 |
1.0 |
Deviation |
11.7 |
2.7 |
4.4 |
0.4 |
5.8 |
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)
|