Database: Wind Shock Analysis
Event ID: 20120301543
Observation time: 01/30/2012 30.65502 1543 [UT]
|
|
General
Information (About, Top)
| Year |
2012 |
| Fractional day of year |
30.655017 |
| Arrival time of shock [seconds of day] |
56593.5 ± 20.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
195.383 |
| Y GSE location of spacecraft [Re] |
-17.141 |
| Z GSE location of spacecraft [Re] |
-17.979 |
| Upstream plasma points selected for analysis |
0003 |
| Upstream field points selected for analysis |
0134 |
| Downstream plasma points selected for analysis |
0003
|
| Downstream field points selected for analysis |
0108 |
| Minimum chisq/dof for RH8,RH9,RH10 |
55.55, Infinity, -4134.06 |
Event added to database
|
Thu Sep 19 12:14:49 2013
|
Event last processed
|
Mon Oct 7 14:01:07 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
49.125 ± 1.162
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-329.2 ± 0.8 |
-376.5 ± 5.7 |
| Vy GSE [km/s] |
10.2 ± 0.8 |
66.0 ± 8.7 |
| Vz GSE [km/s] |
-2.5 ± 2.3 |
17.3 ± 6.9 |
| Wi [km/s] |
18.4 ± 2.5 |
32.2 ± 3.3 |
| We [km/s] |
582.2 ± 78.3 |
1016.7 ± 104.3 |
| Ni [n/cc] |
2.9 ± 0.6 |
8.3 ± 1.2 |
| Bx GSE [nT] |
-2.5 ± 0.2 |
-4.1 ± 0.2 |
| By GSE [nT] |
-0.6 ± 0.6 |
-1.3 ± 1.0 |
| Bz GSE [nT] |
-1.6 ± 0.2 |
-6.6 ± 0.6 |
Plasma Beta
|
0.232 ± 0.192
|
0.289 ± 0.257
|
Sound Speed [km/s]
|
23.77 ± 3.19
|
41.51 ± 4.26
|
Alfven Speed [km/s]
|
38.54 ± 1.82
|
60.26 ± 2.49
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.963 ± 0.042 |
-0.095 ± 0.361 |
0.254 ± 0.248 |
14.70 ± 4.91 |
185.63 ± 21.51 |
| VC |
-0.627 ± 0.086 |
0.734 ± 0.075 |
0.260 ± 0.254 |
15.06 ± 5.09 |
130.50 ± 6.64 |
| MX1 |
-0.752 ± 0.083 |
0.645 ± 0.096 |
0.136 ± 0.135 |
7.81 ± 5.20 |
139.37 ± 7.31 |
| MX2 |
-0.707 ± 0.074 |
0.697 ± 0.075 |
0.120 ± 0.119 |
6.88 ± 5.72 |
135.38 ± 6.08 |
| MX3 |
-0.687 ± 0.075 |
0.718 ± 0.072 |
0.111 ± 0.111 |
6.40 ± 5.98 |
133.72 ± 5.94 |
| RH08 |
-0.904 ± 0.030 |
0.413 ± 0.064 |
0.106 ± 0.106 |
6.09 ± 4.02 |
155.43 ± 4.03 |
| RH09 |
-0.064 ± 0.015 |
0.135 ± 0.031 |
-0.989 ± 0.212 |
-81.43 ± 2.00 |
115.32 ± 2.00 |
| RH10 |
-0.205 ± 0.062 |
-0.046 ± 0.073 |
-0.978 ± 0.286 |
-77.86 ± 3.57 |
192.53 ± 20.06 |
| Average |
-0.614 |
0.400 |
-0.122 |
-12.794 |
148.486 |
| Median |
-0.687 |
0.645 |
0.120 |
6.878 |
139.370 |
| Deviation |
0.318 |
0.354 |
0.535 |
41.426 |
27.425 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
47.9 ± 3.2 |
386.8 ± 4.6 |
2.89 ± 0.68 |
| VC |
76.8 ± 6.1 |
332.8 ± 6.7 |
2.89 ± 0.68 |
| MX1 |
65.5 ± 6.2 |
371.4 ± 6.5 |
2.89 ± 0.68 |
| MX2 |
68.0 ± 6.7 |
356.5 ± 6.6 |
2.89 ± 0.68 |
| MX3 |
69.0 ± 6.9 |
349.7 ± 6.7 |
2.89 ± 0.68 |
| RH08 |
53.2 ± 4.4 |
411.1 ± 5.7 |
2.89 ± 0.68 |
| RH09 |
57.0 ± 7.3 |
13.3 ± 3.4 |
2.89 ± 0.68 |
| RH10 |
46.4 ± 6.0 |
52.7 ± 6.9 |
2.89 ± 0.68 |
| Average |
60.5 |
284.3 |
2.89 |
| Median |
65.5 |
356.5 |
2.89 |
| Deviation |
11.0 |
157.2 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
71.6 ± 1.0 |
14.2 ± 1.4 |
25.9 ± 1.2 |
43.0 ± 1.9 |
5.06 ± 0.44 |
1.66 ± 0.05 |
| VC |
119.5 ± 1.3 |
4.6 ± 0.4 |
8.8 ± 0.4 |
45.1 ± 2.1 |
25.89 ± 2.16 |
2.65 ± 0.11 |
| MX1 |
117.6 ± 1.0 |
8.5 ± 0.8 |
16.0 ± 0.8 |
44.5 ± 2.1 |
13.94 ± 1.21 |
2.64 ± 0.11 |
| MX2 |
117.0 ± 0.9 |
7.7 ± 0.7 |
14.5 ± 0.7 |
44.7 ± 2.1 |
15.35 ± 1.33 |
2.62 ± 0.11 |
| MX3 |
116.6 ± 0.9 |
7.3 ± 0.7 |
13.8 ± 0.7 |
44.8 ± 2.1 |
15.99 ± 1.39 |
2.61 ± 0.11 |
| RH8 |
109.4 ± 0.9 |
12.6 ± 1.2 |
23.1 ± 1.1 |
43.6 ± 2.0 |
8.76 ± 0.79 |
2.51 ± 0.10 |
| RH9 |
-11.5 ± 2.2 |
11.3 ± 1.1 |
21.0 ± 1.0 |
43.9 ± 2.0 |
-1.01 ± 0.10 |
-0.26 ± 0.04 |
| RH10 |
-16.8 ± 2.3 |
14.7 ± 1.5 |
26.6 ± 1.3 |
42.9 ± 1.9 |
-1.14 ± 0.05 |
-0.39 ± 0.05 |
| Average |
77.9 |
10.1 |
18.7 |
44.1 |
10.4 |
1.8 |
| Median |
116.6 |
11.3 |
21.0 |
44.5 |
13.9 |
2.6 |
| Deviation |
59.0 |
3.6 |
6.4 |
0.8 |
9.3 |
1.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
26.3 ± 7.9 |
24.2 ± 1.6 |
40.4 ± 1.7 |
69.1 ± 2.0 |
1.10 ± 0.39 |
0.38 ± 0.13 |
| VC |
43.7 ± 2.8 |
7.8 ± 0.5 |
13.8 ± 0.6 |
72.8 ± 2.2 |
5.58 ± 0.35 |
0.60 ± 0.05 |
| MX1 |
43.4 ± 2.8 |
14.4 ± 0.9 |
24.9 ± 1.0 |
71.8 ± 2.2 |
3.03 ± 0.22 |
0.61 ± 0.05 |
| MX2 |
42.4 ± 3.0 |
13.0 ± 0.8 |
22.6 ± 0.9 |
72.1 ± 2.2 |
3.27 ± 0.21 |
0.59 ± 0.05 |
| MX3 |
41.8 ± 3.2 |
12.4 ± 0.8 |
21.6 ± 0.9 |
72.2 ± 2.2 |
3.37 ± 0.20 |
0.58 ± 0.05 |
| RH8 |
41.5 ± 3.3 |
21.3 ± 1.4 |
36.1 ± 1.5 |
70.1 ± 2.1 |
1.95 ± 0.24 |
0.59 ± 0.07 |
| RH9 |
-2.5 ± 7.6 |
19.2 ± 1.2 |
32.8 ± 1.4 |
70.7 ± 2.1 |
-0.15 ± 0.40 |
-0.04 ± 0.11 |
| RH10 |
-4.7 ± 5.2 |
25.0 ± 1.7 |
41.5 ± 1.7 |
68.9 ± 2.0 |
-0.20 ± 0.22 |
-0.07 ± 0.08 |
| Average |
29.0 |
17.2 |
29.2 |
71.0 |
2.2 |
0.4 |
| Median |
41.8 |
19.2 |
32.8 |
71.8 |
3.0 |
0.6 |
| Deviation |
20.9 |
6.2 |
10.0 |
1.5 |
2.0 |
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)
| 
