Database: Wind Shock Analysis
Event ID: 20111080546
Observation time: 04/18/2011 108.24085 0546 [UT]
|
|
General
Information (About, Top)
| Year |
2011 |
| Fractional day of year |
108.240851 |
| Arrival time of shock [seconds of day] |
20809.5 ± 30.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
245.365 |
| Y GSE location of spacecraft [Re] |
75.758 |
| Z GSE location of spacecraft [Re] |
15.967 |
| Upstream plasma points selected for analysis |
0004 |
| Upstream field points selected for analysis |
0141 |
| Downstream plasma points selected for analysis |
0004
|
| Downstream field points selected for analysis |
0135 |
| Minimum chisq/dof for RH8,RH9,RH10 |
5.64, 37.96, 61.77 |
Event added to database
|
Fri Sep 20 10:19:54 2013
|
Event last processed
|
Tue Sep 24 10:08:32 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
62.225 ± 9.441
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-326.1 ± 1.6 |
-368.1 ± 4.6 |
| Vy GSE [km/s] |
-4.5 ± 1.1 |
-20.7 ± 1.1 |
| Vz GSE [km/s] |
9.3 ± 1.6 |
30.0 ± 3.4 |
| Wi [km/s] |
16.9 ± 0.3 |
29.9 ± 0.2 |
| We [km/s] |
534.8 ± 9.0 |
945.9 ± 7.9 |
| Ni [n/cc] |
13.4 ± 0.5 |
32.3 ± 1.3 |
| Bx GSE [nT] |
-2.0 ± 0.1 |
-2.3 ± 0.7 |
| By GSE [nT] |
1.0 ± 0.1 |
3.9 ± 0.3 |
| Bz GSE [nT] |
1.7 ± 0.1 |
2.1 ± 1.2 |
Plasma Beta
|
1.053 ± 1.055
|
2.333 ± 2.451
|
Sound Speed [km/s]
|
21.84 ± 0.37
|
38.61 ± 0.32
|
Alfven Speed [km/s]
|
16.50 ± 0.48
|
19.68 ± 1.30
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.800 ± 0.116 |
-0.087 ± 0.109 |
0.594 ± 0.512 |
36.43 ± 11.16 |
186.23 ± 7.77 |
| VC |
-0.845 ± 0.039 |
-0.329 ± 0.042 |
0.421 ± 0.394 |
24.92 ± 5.18 |
201.25 ± 2.71 |
| MX1 |
-0.857 ± 0.048 |
-0.198 ± 0.049 |
0.475 ± 0.436 |
28.38 ± 5.73 |
193.03 ± 3.17 |
| MX2 |
-0.861 ± 0.054 |
-0.206 ± 0.053 |
0.465 ± 0.428 |
27.71 ± 6.67 |
193.43 ± 3.46 |
| MX3 |
-0.862 ± 0.057 |
-0.209 ± 0.056 |
0.461 ± 0.425 |
27.45 ± 7.12 |
193.61 ± 3.61 |
| RH08 |
-0.874 ± 0.016 |
-0.227 ± 0.024 |
0.430 ± 0.401 |
25.48 ± 2.04 |
194.54 ± 1.59 |
| RH09 |
-0.254 ± 0.068 |
-0.210 ± 0.069 |
0.944 ± 0.407 |
70.76 ± 4.01 |
219.61 ± 12.32 |
| RH10 |
-0.955 ± 0.021 |
-0.025 ± 0.071 |
-0.296 ± 0.287 |
-17.22 ± 4.00 |
181.50 ± 4.24 |
| Average |
-0.789 |
-0.186 |
0.437 |
27.989 |
195.400 |
| Median |
-0.857 |
-0.206 |
0.465 |
27.712 |
193.612 |
| Deviation |
0.220 |
0.092 |
0.343 |
23.787 |
11.407 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
26.5 ± 3.0 |
348.0 ± 0.8 |
2.40 ± 0.03 |
| VC |
42.6 ± 2.6 |
366.5 ± 0.8 |
2.40 ± 0.03 |
| MX1 |
34.5 ± 2.6 |
369.6 ± 0.8 |
2.40 ± 0.03 |
| MX2 |
35.1 ± 2.5 |
370.9 ± 0.8 |
2.40 ± 0.03 |
| MX3 |
35.3 ± 2.5 |
371.4 ± 0.8 |
2.40 ± 0.03 |
| RH08 |
37.0 ± 2.4 |
375.0 ± 0.9 |
2.40 ± 0.03 |
| RH09 |
47.8 ± 3.7 |
151.0 ± 1.3 |
2.40 ± 0.03 |
| RH10 |
60.5 ± 1.4 |
367.0 ± 6.7 |
2.40 ± 0.03 |
| Average |
39.9 |
339.9 |
2.40 |
| Median |
37.0 |
369.6 |
2.40 |
| Deviation |
10.4 |
76.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
81.3 ± 0.3 |
13.6 ± 0.3 |
14.8 ± 0.4 |
23.8 ± 0.4 |
6.00 ± 0.12 |
3.42 ± 0.04 |
| VC |
85.4 ± 0.4 |
10.5 ± 0.2 |
12.1 ± 0.4 |
25.3 ± 0.4 |
8.15 ± 0.15 |
3.38 ± 0.04 |
| MX1 |
84.7 ± 0.5 |
12.1 ± 0.3 |
13.6 ± 0.4 |
24.6 ± 0.4 |
7.01 ± 0.13 |
3.45 ± 0.04 |
| MX2 |
84.8 ± 0.5 |
12.0 ± 0.3 |
13.5 ± 0.4 |
24.6 ± 0.4 |
7.08 ± 0.13 |
3.45 ± 0.04 |
| MX3 |
84.9 ± 0.5 |
11.9 ± 0.3 |
13.5 ± 0.4 |
24.6 ± 0.4 |
7.12 ± 0.13 |
3.45 ± 0.04 |
| RH8 |
85.0 ± 0.5 |
11.6 ± 0.3 |
13.2 ± 0.4 |
24.8 ± 0.4 |
7.33 ± 0.13 |
3.43 ± 0.04 |
| RH9 |
58.5 ± 1.4 |
9.4 ± 0.2 |
11.1 ± 0.3 |
25.7 ± 0.4 |
6.22 ± 0.27 |
2.28 ± 0.08 |
| RH10 |
58.2 ± 2.0 |
6.7 ± 0.1 |
8.1 ± 0.2 |
26.5 ± 0.5 |
8.70 ± 0.17 |
2.19 ± 0.05 |
| Average |
77.9 |
11.0 |
12.5 |
25.0 |
7.2 |
3.1 |
| Median |
84.8 |
11.9 |
13.5 |
24.8 |
7.1 |
3.4 |
| Deviation |
12.1 |
2.1 |
2.1 |
0.8 |
0.9 |
0.6 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
34.0 ± 2.1 |
17.1 ± 1.0 |
17.6 ± 1.2 |
39.8 ± 0.3 |
1.99 ± 0.03 |
0.85 ± 0.05 |
| VC |
35.9 ± 2.8 |
13.6 ± 0.8 |
14.5 ± 1.0 |
41.2 ± 0.4 |
2.64 ± 0.09 |
0.87 ± 0.06 |
| MX1 |
35.6 ± 2.6 |
15.5 ± 0.9 |
16.2 ± 1.1 |
40.5 ± 0.4 |
2.30 ± 0.07 |
0.88 ± 0.06 |
| MX2 |
35.7 ± 2.7 |
15.3 ± 0.9 |
16.1 ± 1.1 |
40.5 ± 0.4 |
2.33 ± 0.07 |
0.88 ± 0.06 |
| MX3 |
35.7 ± 2.7 |
15.3 ± 0.9 |
16.1 ± 1.1 |
40.6 ± 0.4 |
2.34 ± 0.07 |
0.88 ± 0.06 |
| RH8 |
35.8 ± 2.8 |
14.9 ± 0.9 |
15.7 ± 1.0 |
40.7 ± 0.4 |
2.40 ± 0.08 |
0.88 ± 0.07 |
| RH9 |
24.9 ± 2.2 |
12.3 ± 0.7 |
13.2 ± 0.9 |
41.6 ± 0.5 |
2.03 ± 0.25 |
0.60 ± 0.05 |
| RH10 |
23.9 ± 5.3 |
8.8 ± 0.5 |
9.7 ± 0.6 |
42.4 ± 0.5 |
2.69 ± 0.51 |
0.56 ± 0.12 |
| Average |
32.7 |
14.1 |
14.9 |
40.9 |
2.3 |
0.8 |
| Median |
35.7 |
15.3 |
16.1 |
40.7 |
2.3 |
0.9 |
| Deviation |
5.2 |
2.6 |
2.5 |
0.8 |
0.2 |
0.1 |
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)
| 
