Database: Wind Shock Analysis
Event ID: 20151731808
Observation time: 06/22/2015 173.75575 1808 [UT]
|
|
General
Information (About, Top)
| Year |
2015 |
| Fractional day of year |
173.755747 |
| Arrival time of shock [seconds of day] |
65296.5 ± 110.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
203.005 |
| Y GSE location of spacecraft [Re] |
-34.063 |
| Z GSE location of spacecraft [Re] |
-11.036 |
| Upstream plasma points selected for analysis |
0006 |
| Upstream field points selected for analysis |
0214 |
| Downstream plasma points selected for analysis |
0005
|
| Downstream field points selected for analysis |
0156 |
| Minimum chisq/dof for RH8,RH9,RH10 |
12.33, 21.17, 23.36 |
Event added to database
|
Thu Jan 28 17:03:40 2016
|
Event last processed
|
Tue May 17 17:04:37 2016
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
25.867 ± 0.561
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-437.3 ± 6.6 |
-689.4 ± 19.9 |
| Vy GSE [km/s] |
57.4 ± 8.9 |
-15.3 ± 22.2 |
| Vz GSE [km/s] |
65.2 ± 8.7 |
25.1 ± 8.6 |
| Wi [km/s] |
58.2 ± 2.7 |
153.2 ± 13.0 |
| We [km/s] |
1841.5 ± 85.1 |
4843.4 ± 411.3 |
| Ni [n/cc] |
14.4 ± 0.7 |
48.8 ± 5.1 |
| Bx GSE [nT] |
-2.8 ± 0.8 |
-3.0 ± 8.6 |
| By GSE [nT] |
-3.5 ± 3.3 |
-18.2 ± 6.2 |
| Bz GSE [nT] |
-6.9 ± 2.4 |
-15.6 ± 5.3 |
Plasma Beta
|
1.298 ± 1.431
|
3.554 ± 3.435
|
Sound Speed [km/s]
|
75.18 ± 3.47
|
197.73 ± 16.79
|
Alfven Speed [km/s]
|
51.79 ± 4.19
|
81.99 ± 7.99
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.887 ± 0.369 |
0.046 ± 0.701 |
-0.460 ± 0.425 |
-27.40 ± 45.72 |
177.04 ± 45.26 |
| VC |
-0.950 ± 0.022 |
-0.271 ± 0.073 |
-0.154 ± 0.152 |
-8.84 ± 2.89 |
195.94 ± 4.41 |
| MX1 |
-0.983 ± 0.096 |
-0.102 ± 0.349 |
0.153 ± 0.152 |
8.82 ± 33.24 |
185.93 ± 20.32 |
| MX2 |
-0.991 ± 0.038 |
-0.108 ± 0.226 |
0.076 ± 0.076 |
4.38 ± 21.35 |
186.23 ± 13.04 |
| MX3 |
-0.994 ± 0.030 |
-0.103 ± 0.263 |
0.037 ± 0.037 |
2.11 ± 20.68 |
185.92 ± 15.17 |
| RH08 |
-0.983 ± 0.003 |
-0.147 ± 0.017 |
-0.106 ± 0.106 |
-6.09 ± 0.69 |
188.52 ± 0.97 |
| RH09 |
-0.990 ± 0.010 |
-0.096 ± 0.070 |
-0.106 ± 0.106 |
-6.09 ± 4.02 |
185.52 ± 4.03 |
| RH10 |
-0.991 ± 0.009 |
-0.078 ± 0.070 |
-0.106 ± 0.106 |
-6.09 ± 4.02 |
184.51 ± 4.03 |
| Average |
-0.971 |
-0.107 |
-0.083 |
-4.901 |
186.201 |
| Median |
-0.983 |
-0.102 |
-0.106 |
-6.093 |
185.928 |
| Deviation |
0.037 |
0.087 |
0.187 |
11.017 |
5.177 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
51.9 ± 8.9 |
698.7 ± 4.8 |
3.35 ± 0.22 |
| VC |
59.0 ± 6.6 |
768.1 ± 6.9 |
3.35 ± 0.22 |
| MX1 |
77.1 ± 7.1 |
784.3 ± 6.9 |
3.35 ± 0.22 |
| MX2 |
73.3 ± 6.2 |
791.6 ± 6.8 |
3.35 ± 0.22 |
| MX3 |
71.5 ± 5.7 |
793.8 ± 6.8 |
3.35 ± 0.22 |
| RH08 |
63.8 ± 5.0 |
788.2 ± 6.7 |
3.35 ± 0.22 |
| RH09 |
64.9 ± 4.3 |
790.7 ± 6.5 |
3.35 ± 0.22 |
| RH10 |
65.3 ± 4.1 |
791.1 ± 34.6 |
3.35 ± 0.22 |
| Average |
65.9 |
775.8 |
3.35 |
| Median |
65.3 |
790.7 |
3.35 |
| Deviation |
8.1 |
32.2 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
338.4 ± 5.6 |
27.5 ± 1.4 |
32.0 ± 2.6 |
87.1 ± 2.2 |
12.31 ± 0.49 |
3.88 ± 0.10 |
| VC |
378.2 ± 7.9 |
22.6 ± 1.1 |
26.7 ± 2.2 |
88.6 ± 2.2 |
16.75 ± 0.58 |
4.27 ± 0.14 |
| MX1 |
350.3 ± 7.9 |
9.5 ± 0.4 |
11.6 ± 0.9 |
90.9 ± 2.2 |
36.73 ± 1.19 |
3.86 ± 0.13 |
| MX2 |
359.4 ± 7.7 |
12.3 ± 0.6 |
14.9 ± 1.2 |
90.6 ± 2.2 |
29.14 ± 0.95 |
3.97 ± 0.13 |
| MX3 |
362.6 ± 7.5 |
13.6 ± 0.6 |
16.4 ± 1.3 |
90.4 ± 2.2 |
26.62 ± 0.88 |
4.01 ± 0.13 |
| RH8 |
373.5 ± 7.3 |
19.2 ± 0.9 |
22.8 ± 1.9 |
89.4 ± 2.2 |
19.51 ± 0.66 |
4.18 ± 0.13 |
| RH9 |
370.3 ± 6.9 |
18.4 ± 0.9 |
21.9 ± 1.8 |
89.5 ± 2.2 |
20.18 ± 0.69 |
4.14 ± 0.12 |
| RH10 |
369.0 ± 6.8 |
18.1 ± 0.9 |
21.6 ± 1.8 |
89.6 ± 2.2 |
20.42 ± 0.69 |
4.12 ± 0.12 |
| Average |
362.7 |
17.7 |
21.0 |
89.5 |
22.7 |
4.1 |
| Median |
369.0 |
18.4 |
21.9 |
89.6 |
20.4 |
4.1 |
| Deviation |
13.1 |
5.8 |
6.6 |
1.2 |
7.7 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
99.7 ± 14.1 |
47.9 ± 4.4 |
50.6 ± 4.9 |
208.7 ± 16.9 |
2.10 ± 0.35 |
0.48 ± 0.06 |
| VC |
112.8 ± 20.6 |
39.7 ± 3.6 |
42.3 ± 4.1 |
210.4 ± 16.9 |
2.87 ± 0.60 |
0.54 ± 0.10 |
| MX1 |
101.3 ± 21.7 |
17.0 ± 1.5 |
18.3 ± 1.8 |
213.5 ± 17.0 |
6.02 ± 1.44 |
0.47 ± 0.10 |
| MX2 |
104.7 ± 21.3 |
21.9 ± 2.0 |
23.6 ± 2.3 |
213.0 ± 17.0 |
4.82 ± 1.10 |
0.49 ± 0.10 |
| MX3 |
106.0 ± 21.0 |
24.2 ± 2.2 |
26.0 ± 2.5 |
212.8 ± 17.0 |
4.42 ± 0.99 |
0.50 ± 0.10 |
| RH8 |
110.7 ± 20.1 |
33.8 ± 3.1 |
36.2 ± 3.5 |
211.5 ± 16.9 |
3.30 ± 0.69 |
0.52 ± 0.09 |
| RH9 |
109.6 ± 19.8 |
32.4 ± 2.9 |
34.7 ± 3.4 |
211.7 ± 16.9 |
3.41 ± 0.70 |
0.52 ± 0.09 |
| RH10 |
109.2 ± 19.6 |
31.9 ± 2.9 |
34.2 ± 3.3 |
211.8 ± 16.9 |
3.45 ± 0.71 |
0.52 ± 0.09 |
| Average |
106.8 |
31.1 |
33.2 |
211.7 |
3.8 |
0.5 |
| Median |
109.2 |
32.4 |
34.7 |
211.8 |
3.4 |
0.5 |
| Deviation |
4.6 |
10.0 |
10.4 |
1.5 |
1.2 |
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)
| 
