Database: Wind Shock Analysis
Event ID: 20112861905
Observation time: 10/13/2011 286.79550 1905 [UT]
|
|
General
Information (About, Top)
| Year |
2011 |
| Fractional day of year |
286.795503 |
| Arrival time of shock [seconds of day] |
68731.5 ± 60.0 |
| Shock type |
NN |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
241.669 |
| Y GSE location of spacecraft [Re] |
79.697 |
| Z GSE location of spacecraft [Re] |
13.975 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0144 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0274 |
| Minimum chisq/dof for RH8,RH9,RH10 |
8.45, 12.01, 12.92 |
Event added to database
|
Fri Sep 20 13:52:09 2013
|
Event last processed
|
Tue Sep 24 10:40:33 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
80.643 ± 8.498
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-339.7 ± 0.8 |
-376.8 ± 1.9 |
| Vy GSE [km/s] |
-32.5 ± 1.3 |
-14.7 ± 2.6 |
| Vz GSE [km/s] |
35.5 ± 0.9 |
4.7 ± 2.0 |
| Wi [km/s] |
16.6 ± 0.3 |
20.4 ± 1.1 |
| We [km/s] |
526.5 ± 9.7 |
645.4 ± 34.0 |
| Ni [n/cc] |
6.9 ± 0.1 |
3.8 ± 0.3 |
| Bx GSE [nT] |
2.4 ± 0.3 |
4.6 ± 0.1 |
| By GSE [nT] |
-0.5 ± 0.4 |
-4.7 ± 0.1 |
| Bz GSE [nT] |
5.1 ± 0.2 |
0.6 ± 0.4 |
Plasma Beta
|
0.125 ± 0.126
|
0.076 ± 0.076
|
Sound Speed [km/s]
|
21.49 ± 0.40
|
26.35 ± 1.39
|
Alfven Speed [km/s]
|
47.15 ± 0.86
|
74.17 ± 3.59
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.626 ± 0.034 |
0.395 ± 0.042 |
-0.673 ± 0.546 |
-42.29 ± 2.39 |
147.76 ± 3.63 |
| VC |
-0.723 ± 0.033 |
0.346 ± 0.053 |
-0.598 ± 0.514 |
-36.71 ± 2.26 |
154.41 ± 4.16 |
| MX1 |
-0.699 ± 0.034 |
0.320 ± 0.049 |
-0.640 ± 0.533 |
-39.76 ± 2.58 |
155.43 ± 3.87 |
| MX2 |
-0.713 ± 0.030 |
0.304 ± 0.055 |
-0.631 ± 0.530 |
-39.14 ± 1.82 |
156.92 ± 4.38 |
| MX3 |
-0.707 ± 0.030 |
0.311 ± 0.049 |
-0.635 ± 0.532 |
-39.45 ± 2.12 |
156.22 ± 3.91 |
| RH08 |
-0.657 ± 0.025 |
-0.672 ± 0.024 |
0.341 ± 0.327 |
19.92 ± 2.00 |
225.63 ± 2.00 |
| RH09 |
-0.657 ± 0.024 |
-0.672 ± 0.024 |
0.341 ± 0.327 |
19.92 ± 1.47 |
225.63 ± 1.99 |
| RH10 |
-0.657 ± 0.026 |
-0.672 ± 0.026 |
0.341 ± 0.327 |
19.92 ± 1.77 |
225.63 ± 2.13 |
| Average |
-0.680 |
-0.042 |
-0.269 |
-17.196 |
180.951 |
| Median |
-0.657 |
0.311 |
-0.598 |
-36.708 |
156.917 |
| Deviation |
0.035 |
0.522 |
0.506 |
30.775 |
37.100 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
25.6 ± 2.1 |
110.1 ± 1.7 |
0.54 ± 0.05 |
| VC |
29.4 ± 2.1 |
146.9 ± 1.7 |
0.54 ± 0.05 |
| MX1 |
26.3 ± 2.1 |
138.2 ± 1.7 |
0.54 ± 0.05 |
| MX2 |
26.6 ± 2.1 |
143.9 ± 1.7 |
0.54 ± 0.05 |
| MX3 |
26.5 ± 2.1 |
141.2 ± 1.7 |
0.54 ± 0.05 |
| RH08 |
85.1 ± 4.1 |
254.9 ± 0.6 |
0.54 ± 0.05 |
| RH09 |
85.1 ± 4.1 |
254.9 ± 0.6 |
0.54 ± 0.05 |
| RH10 |
85.1 ± 4.1 |
254.9 ± 3.5 |
0.54 ± 0.05 |
| Average |
48.7 |
180.6 |
0.54 |
| Median |
29.4 |
146.9 |
0.54 |
| Deviation |
30.2 |
62.5 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-65.7 ± 0.9 |
18.9 ± 0.3 |
42.5 ± 0.8 |
48.2 ± 0.9 |
-3.47 ± 0.11 |
-1.36 ± 0.04 |
| VC |
-66.2 ± 0.9 |
18.2 ± 0.3 |
41.1 ± 0.8 |
48.5 ± 0.9 |
-3.64 ± 0.11 |
-1.37 ± 0.04 |
| MX1 |
-66.2 ± 0.9 |
18.8 ± 0.3 |
42.3 ± 0.8 |
48.3 ± 0.9 |
-3.52 ± 0.11 |
-1.37 ± 0.04 |
| MX2 |
-66.2 ± 0.9 |
18.8 ± 0.3 |
42.1 ± 0.8 |
48.3 ± 0.9 |
-3.53 ± 0.11 |
-1.37 ± 0.04 |
| MX3 |
-66.2 ± 0.9 |
18.8 ± 0.3 |
42.2 ± 0.8 |
48.3 ± 0.9 |
-3.52 ± 0.11 |
-1.37 ± 0.04 |
| RH8 |
-2.4 ± 1.3 |
1.7 ± 0.0 |
4.0 ± 0.1 |
51.8 ± 0.9 |
-1.43 ± 0.79 |
-0.05 ± 0.03 |
| RH9 |
-2.4 ± 1.3 |
1.7 ± 0.0 |
4.0 ± 0.1 |
51.8 ± 0.9 |
-1.43 ± 0.79 |
-0.05 ± 0.03 |
| RH10 |
-2.4 ± 1.3 |
1.7 ± 0.0 |
4.0 ± 0.1 |
51.8 ± 0.9 |
-1.43 ± 0.79 |
-0.05 ± 0.03 |
| Average |
-42.2 |
12.3 |
27.8 |
49.6 |
-2.7 |
-0.9 |
| Median |
-65.7 |
18.8 |
42.1 |
48.5 |
-3.5 |
-1.4 |
| Deviation |
33.0 |
8.8 |
19.7 |
1.8 |
1.1 |
0.7 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-116.7 ± 1.1 |
23.5 ± 1.2 |
66.9 ± 3.2 |
75.1 ± 3.5 |
-4.99 ± 0.27 |
-1.56 ± 0.07 |
| VC |
-117.7 ± 1.2 |
22.6 ± 1.1 |
64.6 ± 3.1 |
75.4 ± 3.5 |
-5.23 ± 0.28 |
-1.56 ± 0.06 |
| MX1 |
-117.5 ± 1.3 |
23.3 ± 1.2 |
66.5 ± 3.2 |
75.2 ± 3.5 |
-5.06 ± 0.27 |
-1.57 ± 0.06 |
| MX2 |
-117.5 ± 1.3 |
23.2 ± 1.2 |
66.3 ± 3.2 |
75.2 ± 3.5 |
-5.07 ± 0.27 |
-1.57 ± 0.06 |
| MX3 |
-117.5 ± 1.3 |
23.3 ± 1.2 |
66.4 ± 3.2 |
75.2 ± 3.5 |
-5.06 ± 0.27 |
-1.57 ± 0.06 |
| RH8 |
-4.4 ± 2.5 |
2.1 ± 0.1 |
6.3 ± 0.3 |
78.7 ± 3.4 |
-2.06 ± 1.20 |
-0.05 ± 0.03 |
| RH9 |
-4.4 ± 2.5 |
2.1 ± 0.1 |
6.3 ± 0.3 |
78.7 ± 3.4 |
-2.06 ± 1.20 |
-0.05 ± 0.03 |
| RH10 |
-4.4 ± 2.5 |
2.1 ± 0.1 |
6.3 ± 0.3 |
78.7 ± 3.4 |
-2.06 ± 1.20 |
-0.05 ± 0.03 |
| Average |
-75.0 |
15.3 |
43.7 |
76.5 |
-4.0 |
-1.0 |
| Median |
-116.7 |
23.2 |
66.3 |
75.4 |
-5.0 |
-1.6 |
| Deviation |
58.5 |
10.9 |
31.0 |
1.8 |
1.6 |
0.8 |
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)
| 
