Database: Wind Shock Analysis
Event ID: 20152270743
Observation time: 08/15/2015 227.32200 0743 [UT]
|
|
General
Information (About, Top)
| Year |
2015 |
| Fractional day of year |
227.321997 |
| Arrival time of shock [seconds of day] |
27820.5 ± 30.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
224.239 |
| Y GSE location of spacecraft [Re] |
101.592 |
| Z GSE location of spacecraft [Re] |
-3.062 |
| Upstream plasma points selected for analysis |
0006 |
| Upstream field points selected for analysis |
0206 |
| Downstream plasma points selected for analysis |
0005
|
| Downstream field points selected for analysis |
0174 |
| Minimum chisq/dof for RH8,RH9,RH10 |
9.79, 20.83, 23.43 |
Event added to database
|
Fri Jan 29 13:58:01 2016
|
Event last processed
|
Tue May 17 17:10:58 2016
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
45.487 ± 6.739
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-355.5 ± 6.3 |
-428.1 ± 2.1 |
| Vy GSE [km/s] |
-31.1 ± 2.5 |
-66.9 ± 1.5 |
| Vz GSE [km/s] |
-6.8 ± 3.2 |
37.8 ± 7.5 |
| Wi [km/s] |
20.6 ± 1.6 |
36.9 ± 0.8 |
| We [km/s] |
650.0 ± 49.6 |
1165.5 ± 24.5 |
| Ni [n/cc] |
11.4 ± 1.6 |
25.5 ± 2.2 |
| Bx GSE [nT] |
-4.7 ± 0.1 |
-4.2 ± 1.4 |
| By GSE [nT] |
8.0 ± 0.2 |
20.9 ± 0.6 |
| Bz GSE [nT] |
5.5 ± 0.2 |
9.9 ± 2.0 |
Plasma Beta
|
0.089 ± 0.090
|
0.130 ± 0.132
|
Sound Speed [km/s]
|
26.54 ± 2.02
|
47.58 ± 1.00
|
Alfven Speed [km/s]
|
70.18 ± 5.62
|
102.38 ± 5.53
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.885 ± 0.099 |
-0.097 ± 0.115 |
0.455 ± 0.421 |
27.07 ± 12.38 |
186.26 ± 7.43 |
| VC |
-0.785 ± 0.045 |
-0.390 ± 0.053 |
0.482 ± 0.440 |
28.78 ± 5.02 |
206.43 ± 3.61 |
| MX1 |
-0.813 ± 0.045 |
-0.156 ± 0.048 |
0.561 ± 0.493 |
34.13 ± 4.60 |
190.89 ± 3.30 |
| MX2 |
-0.804 ± 0.042 |
-0.164 ± 0.043 |
0.572 ± 0.499 |
34.87 ± 4.21 |
191.52 ± 2.99 |
| MX3 |
-0.797 ± 0.042 |
-0.170 ± 0.042 |
0.579 ± 0.504 |
35.41 ± 4.13 |
192.01 ± 2.96 |
| RH08 |
-0.874 ± 0.009 |
-0.100 ± 0.012 |
0.475 ± 0.435 |
28.35 ± 1.09 |
186.52 ± 0.76 |
| RH09 |
-0.916 ± 0.028 |
-0.056 ± 0.070 |
0.397 ± 0.374 |
23.37 ± 4.03 |
183.51 ± 4.35 |
| RH10 |
-0.931 ± 0.026 |
-0.041 ± 0.070 |
0.363 ± 0.346 |
21.29 ± 4.04 |
182.51 ± 4.30 |
| Average |
-0.851 |
-0.147 |
0.485 |
29.158 |
189.955 |
| Median |
-0.813 |
-0.100 |
0.482 |
28.784 |
190.894 |
| Deviation |
0.058 |
0.110 |
0.081 |
5.303 |
7.572 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
57.0 ± 0.8 |
481.3 ± 3.7 |
2.31 ± 0.62 |
| VC |
72.8 ± 1.0 |
462.6 ± 3.9 |
2.31 ± 0.62 |
| MX1 |
58.5 ± 1.0 |
458.2 ± 3.7 |
2.31 ± 0.62 |
| MX2 |
58.8 ± 1.0 |
455.3 ± 3.7 |
2.31 ± 0.62 |
| MX3 |
59.0 ± 1.0 |
453.4 ± 3.7 |
2.31 ± 0.62 |
| RH08 |
56.8 ± 0.8 |
477.4 ± 3.7 |
2.31 ± 0.62 |
| RH09 |
56.0 ± 0.6 |
488.7 ± 3.7 |
2.31 ± 0.62 |
| RH10 |
56.0 ± 0.6 |
492.2 ± 20.0 |
2.31 ± 0.62 |
| Average |
59.4 |
471.1 |
2.31 |
| Median |
58.5 |
477.4 |
2.31 |
| Deviation |
5.6 |
15.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
166.7 ± 4.3 |
13.7 ± 0.9 |
38.2 ± 3.1 |
73.8 ± 4.9 |
12.19 ± 0.62 |
2.27 ± 0.19 |
| VC |
174.7 ± 3.0 |
7.4 ± 0.5 |
20.8 ± 1.7 |
74.7 ± 4.8 |
23.79 ± 1.24 |
2.35 ± 0.18 |
| MX1 |
168.2 ± 3.5 |
13.1 ± 0.8 |
36.7 ± 2.9 |
73.9 ± 4.9 |
12.84 ± 0.68 |
2.28 ± 0.19 |
| MX2 |
168.3 ± 3.4 |
13.0 ± 0.8 |
36.4 ± 2.9 |
74.0 ± 4.9 |
12.95 ± 0.69 |
2.29 ± 0.18 |
| MX3 |
168.7 ± 3.3 |
12.9 ± 0.8 |
36.1 ± 2.9 |
74.0 ± 4.9 |
13.06 ± 0.70 |
2.29 ± 0.18 |
| RH8 |
166.7 ± 4.2 |
13.8 ± 0.9 |
38.4 ± 3.1 |
73.8 ± 4.9 |
12.12 ± 0.62 |
2.27 ± 0.19 |
| RH9 |
163.9 ± 4.7 |
14.1 ± 0.9 |
39.2 ± 3.1 |
73.8 ± 4.9 |
11.67 ± 0.58 |
2.23 ± 0.20 |
| RH10 |
162.5 ± 4.9 |
14.1 ± 0.9 |
39.3 ± 3.1 |
73.8 ± 4.9 |
11.55 ± 0.57 |
2.21 ± 0.20 |
| Average |
167.5 |
12.8 |
35.6 |
74.0 |
13.8 |
2.3 |
| Median |
168.2 |
13.7 |
38.2 |
73.9 |
12.8 |
2.3 |
| Deviation |
3.6 |
2.2 |
6.1 |
0.3 |
4.1 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
78.6 ± 2.1 |
24.0 ± 0.5 |
55.7 ± 3.0 |
110.3 ± 5.2 |
3.27 ± 0.11 |
0.71 ± 0.02 |
| VC |
82.3 ± 2.1 |
12.9 ± 0.3 |
30.3 ± 1.6 |
112.2 ± 5.1 |
6.40 ± 0.22 |
0.73 ± 0.03 |
| MX1 |
78.5 ± 2.9 |
23.0 ± 0.5 |
53.5 ± 2.9 |
110.5 ± 5.2 |
3.41 ± 0.15 |
0.71 ± 0.03 |
| MX2 |
78.6 ± 3.0 |
22.8 ± 0.5 |
53.1 ± 2.9 |
110.6 ± 5.2 |
3.45 ± 0.16 |
0.71 ± 0.03 |
| MX3 |
78.9 ± 3.0 |
22.7 ± 0.5 |
52.7 ± 2.8 |
110.6 ± 5.2 |
3.48 ± 0.16 |
0.71 ± 0.03 |
| RH8 |
78.5 ± 2.3 |
24.2 ± 0.5 |
56.1 ± 3.0 |
110.3 ± 5.2 |
3.25 ± 0.12 |
0.71 ± 0.02 |
| RH9 |
77.7 ± 1.8 |
24.7 ± 0.5 |
57.2 ± 3.1 |
110.2 ± 5.2 |
3.15 ± 0.09 |
0.71 ± 0.02 |
| RH10 |
77.3 ± 1.6 |
24.7 ± 0.5 |
57.3 ± 3.1 |
110.2 ± 5.2 |
3.13 ± 0.08 |
0.70 ± 0.02 |
| Average |
78.8 |
22.4 |
52.0 |
110.6 |
3.7 |
0.7 |
| Median |
78.6 |
24.0 |
55.7 |
110.5 |
3.4 |
0.7 |
| Deviation |
1.5 |
3.9 |
8.9 |
0.7 |
1.1 |
0.0 |
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 Wed Jan 22 21:47:00 2020
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
