Database: Wind Shock Analysis
Event ID: 20111921841
Observation time: 07/11/2011 192.77877 1841 [UT]
|
|
General
Information (About, Top)
| Year |
2011 |
| Fractional day of year |
192.778767 |
| Arrival time of shock [seconds of day] |
67285.5 ± 20.0 |
| Shock type |
NN |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
212.499 |
| Y GSE location of spacecraft [Re] |
-90.772 |
| Z GSE location of spacecraft [Re] |
-3.885 |
| Upstream plasma points selected for analysis |
0003 |
| Upstream field points selected for analysis |
0088 |
| Downstream plasma points selected for analysis |
0005
|
| Downstream field points selected for analysis |
0161 |
| Minimum chisq/dof for RH8,RH9,RH10 |
5.95, 9.58, 12.20 |
Event added to database
|
Fri Sep 20 13:22:25 2013
|
Event last processed
|
Tue Sep 24 10:21:43 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
10.514 ± 1.483
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-523.3 ± 7.0 |
-618.1 ± 2.5 |
| Vy GSE [km/s] |
9.3 ± 3.5 |
58.5 ± 3.0 |
| Vz GSE [km/s] |
4.7 ± 6.1 |
14.4 ± 3.3 |
| Wi [km/s] |
53.6 ± 3.6 |
76.7 ± 3.5 |
| We [km/s] |
1693.8 ± 113.1 |
2425.3 ± 111.4 |
| Ni [n/cc] |
3.7 ± 0.8 |
2.1 ± 0.1 |
| Bx GSE [nT] |
-1.4 ± 1.5 |
-7.1 ± 0.2 |
| By GSE [nT] |
3.8 ± 0.3 |
4.3 ± 0.2 |
| Bz GSE [nT] |
-4.9 ± 0.9 |
1.9 ± 0.3 |
Plasma Beta
|
0.535 ± 0.533
|
0.365 ± 0.380
|
Sound Speed [km/s]
|
69.15 ± 4.62
|
99.01 ± 4.55
|
Alfven Speed [km/s]
|
74.09 ± 5.17
|
127.23 ± 2.45
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.542 ± 0.054 |
0.681 ± 0.044 |
-0.492 ± 0.448 |
-29.47 ± 1.75 |
128.54 ± 4.46 |
| VC |
-0.883 ± 0.024 |
0.460 ± 0.046 |
0.090 ± 0.089 |
5.15 ± 3.12 |
152.49 ± 2.97 |
| MX1 |
-0.570 ± 0.034 |
0.641 ± 0.031 |
-0.514 ± 0.463 |
-30.96 ± 1.95 |
131.62 ± 2.87 |
| MX2 |
-0.824 ± 0.093 |
-0.081 ± 0.514 |
-0.561 ± 0.493 |
-34.10 ± 8.01 |
185.63 ± 35.77 |
| MX3 |
-0.616 ± 0.022 |
0.565 ± 0.022 |
-0.549 ± 0.486 |
-33.33 ± 2.52 |
137.49 ± 1.34 |
| RH08 |
-0.477 ± 0.008 |
-0.815 ± 0.006 |
-0.330 ± 0.317 |
-19.25 ± 0.89 |
239.67 ± 0.54 |
| RH09 |
-0.477 ± 0.026 |
-0.815 ± 0.018 |
-0.330 ± 0.317 |
-19.25 ± 2.06 |
239.67 ± 1.77 |
| RH10 |
-0.477 ± 0.033 |
-0.815 ± 0.023 |
-0.330 ± 0.317 |
-19.25 ± 2.65 |
239.67 ± 2.29 |
| Average |
-0.608 |
-0.022 |
-0.377 |
-22.556 |
181.845 |
| Median |
-0.542 |
0.460 |
-0.330 |
-19.245 |
185.630 |
| Deviation |
0.160 |
0.697 |
0.214 |
12.918 |
51.043 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
24.9 ± 14.1 |
198.5 ± 21.0 |
0.59 ± 0.12 |
| VC |
65.6 ± 15.5 |
347.5 ± 24.3 |
0.59 ± 0.12 |
| MX1 |
24.6 ± 15.2 |
211.7 ± 21.0 |
0.59 ± 0.12 |
| MX2 |
55.9 ± 10.1 |
347.4 ± 15.4 |
0.59 ± 0.12 |
| MX3 |
25.6 ± 15.7 |
234.8 ± 20.8 |
0.59 ± 0.12 |
| RH08 |
82.8 ± 4.4 |
236.9 ± 2.7 |
0.59 ± 0.12 |
| RH09 |
82.8 ± 4.4 |
236.9 ± 2.7 |
0.59 ± 0.12 |
| RH10 |
82.8 ± 4.4 |
236.9 ± 9.9 |
0.59 ± 0.12 |
| Average |
55.6 |
256.3 |
0.59 |
| Median |
65.6 |
236.9 |
0.59 |
| Deviation |
27.0 |
58.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-89.3 ± 2.4 |
53.8 ± 0.7 |
67.2 ± 4.7 |
86.0 ± 2.0 |
-1.66 ± 0.07 |
-1.04 ± 0.05 |
| VC |
-119.4 ± 5.1 |
21.2 ± 0.3 |
30.6 ± 2.1 |
99.2 ± 1.8 |
-5.62 ± 0.22 |
-1.20 ± 0.03 |
| MX1 |
-89.8 ± 2.4 |
54.1 ± 0.7 |
67.4 ± 4.7 |
85.9 ± 2.0 |
-1.66 ± 0.06 |
-1.05 ± 0.05 |
| MX2 |
-80.4 ± 3.5 |
29.5 ± 0.4 |
41.6 ± 2.9 |
97.1 ± 1.8 |
-2.72 ± 0.12 |
-0.83 ± 0.03 |
| MX3 |
-90.2 ± 2.3 |
53.4 ± 0.7 |
66.8 ± 4.7 |
86.3 ± 2.0 |
-1.69 ± 0.06 |
-1.05 ± 0.04 |
| RH8 |
-3.5 ± 4.4 |
6.3 ± 0.1 |
9.3 ± 0.7 |
101.3 ± 1.8 |
-0.55 ± 0.69 |
-0.03 ± 0.04 |
| RH9 |
-3.5 ± 4.4 |
6.3 ± 0.1 |
9.3 ± 0.7 |
101.3 ± 1.8 |
-0.55 ± 0.69 |
-0.03 ± 0.04 |
| RH10 |
-3.5 ± 4.4 |
6.3 ± 0.1 |
9.3 ± 0.7 |
101.3 ± 1.8 |
-0.55 ± 0.69 |
-0.03 ± 0.04 |
| Average |
-60.0 |
28.9 |
37.7 |
94.8 |
-1.9 |
-0.7 |
| Median |
-80.4 |
29.5 |
41.6 |
99.2 |
-1.7 |
-0.8 |
| Deviation |
48.1 |
22.2 |
26.9 |
7.4 |
1.7 |
0.5 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-169.4 ± 4.9 |
82.3 ± 2.8 |
115.4 ± 2.2 |
138.7 ± 1.6 |
-2.06 ± 0.05 |
-1.22 ± 0.04 |
| VC |
-226.6 ± 3.2 |
32.9 ± 0.9 |
52.5 ± 1.0 |
157.9 ± 2.1 |
-6.89 ± 0.13 |
-1.44 ± 0.02 |
| MX1 |
-170.3 ± 4.9 |
82.7 ± 2.8 |
115.7 ± 2.2 |
138.5 ± 1.6 |
-2.06 ± 0.05 |
-1.23 ± 0.04 |
| MX2 |
-149.1 ± 3.6 |
45.7 ± 1.3 |
71.4 ± 1.4 |
154.7 ± 2.0 |
-3.26 ± 0.06 |
-0.96 ± 0.02 |
| MX3 |
-171.0 ± 4.9 |
81.7 ± 2.8 |
114.8 ± 2.2 |
139.0 ± 1.6 |
-2.09 ± 0.05 |
-1.23 ± 0.04 |
| RH8 |
-5.4 ± 0.9 |
9.8 ± 0.3 |
16.0 ± 0.3 |
161.0 ± 2.1 |
-0.55 ± 0.09 |
-0.03 ± 0.01 |
| RH9 |
-5.4 ± 0.9 |
9.8 ± 0.3 |
16.0 ± 0.3 |
161.0 ± 2.1 |
-0.55 ± 0.09 |
-0.03 ± 0.01 |
| RH10 |
-5.4 ± 0.9 |
9.8 ± 0.3 |
16.0 ± 0.3 |
161.0 ± 2.1 |
-0.55 ± 0.09 |
-0.03 ± 0.01 |
| Average |
-112.8 |
44.3 |
64.7 |
151.5 |
-2.3 |
-0.8 |
| Median |
-149.1 |
45.7 |
71.4 |
157.9 |
-2.1 |
-1.0 |
| Deviation |
91.6 |
33.8 |
46.3 |
10.8 |
2.1 |
0.6 |
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)
| 
