Database: Wind Shock Analysis
Event ID: 20182131257
Observation time: 08/01/2018 213.53984 1257 [UT]
|
|
General
Information (About, Top)
| Year |
2018 |
| Fractional day of year |
213.539844 |
| Arrival time of shock [seconds of day] |
46642.5 ± 30.0 |
| Shock type |
SF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
243.127 |
| Y GSE location of spacecraft [Re] |
87.465 |
| Z GSE location of spacecraft [Re] |
0.345 |
| Upstream plasma points selected for analysis |
0008 |
| Upstream field points selected for analysis |
0260 |
| Downstream plasma points selected for analysis |
0004
|
| Downstream field points selected for analysis |
0147 |
| Minimum chisq/dof for RH8,RH9,RH10 |
2.94, 3.33, 3.74 |
Event added to database
|
Tue Dec 25 19:45:59 2018
|
Event last processed
|
Tue Dec 10 18:49:20 2019
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
78.536 ± 20.584
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-383.7 ± 1.9 |
-435.5 ± 4.7 |
| Vy GSE [km/s] |
27.6 ± 9.0 |
57.4 ± 5.1 |
| Vz GSE [km/s] |
-4.7 ± 9.9 |
31.0 ± 3.9 |
| Wi [km/s] |
36.8 ± 1.2 |
52.0 ± 0.9 |
| We [km/s] |
1163.1 ± 38.4 |
1644.9 ± 29.4 |
| Ni [n/cc] |
4.9 ± 0.4 |
7.8 ± 0.1 |
| Bx GSE [nT] |
-6.2 ± 0.2 |
2.6 ± 0.7 |
| By GSE [nT] |
4.1 ± 0.8 |
3.5 ± 1.2 |
| Bz GSE [nT] |
3.2 ± 1.1 |
-4.2 ± 0.6 |
Plasma Beta
|
0.209 ± 0.219
|
1.152 ± 1.186
|
Sound Speed [km/s]
|
47.48 ± 1.57
|
67.15 ± 1.20
|
Alfven Speed [km/s]
|
80.89 ± 5.47
|
48.54 ± 1.81
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.210 ± 0.053 |
0.920 ± 0.043 |
-0.331 ± 0.319 |
-19.36 ± 7.39 |
102.89 ± 3.27 |
| VC |
-0.752 ± 0.085 |
0.422 ± 0.107 |
0.507 ± 0.458 |
30.48 ± 8.10 |
150.71 ± 7.72 |
| MX1 |
-0.454 ± 0.267 |
0.717 ± 0.206 |
-0.529 ± 0.473 |
-31.93 ± 16.48 |
122.35 ± 20.35 |
| MX2 |
-0.176 ± 0.066 |
0.940 ± 0.037 |
-0.292 ± 0.284 |
-16.99 ± 6.89 |
100.62 ± 4.03 |
| MX3 |
-0.094 ± 0.142 |
0.977 ± 0.033 |
-0.191 ± 0.188 |
-10.99 ± 8.95 |
95.48 ± 8.30 |
| RH08 |
-0.640 ± 0.021 |
-0.320 ± 0.034 |
-0.698 ± 0.553 |
-44.29 ± 1.20 |
206.57 ± 3.00 |
| RH09 |
-0.632 ± 0.040 |
-0.359 ± 0.061 |
-0.687 ± 0.550 |
-43.40 ± 2.15 |
209.58 ± 5.38 |
| RH10 |
-0.634 ± 0.042 |
-0.375 ± 0.060 |
-0.676 ± 0.547 |
-42.53 ± 2.39 |
210.58 ± 5.23 |
| Average |
-0.449 |
0.365 |
-0.362 |
-22.377 |
149.849 |
| Median |
-0.454 |
0.717 |
-0.331 |
-19.357 |
150.711 |
| Deviation |
0.254 |
0.619 |
0.403 |
25.020 |
51.846 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
60.0 ± 8.8 |
179.7 ± 3.6 |
1.61 ± 0.17 |
| VC |
9.2 ± 8.5 |
496.9 ± 6.5 |
1.61 ± 0.17 |
| MX1 |
59.5 ± 9.2 |
266.2 ± 3.4 |
1.61 ± 0.17 |
| MX2 |
60.1 ± 8.6 |
166.8 ± 3.6 |
1.61 ± 0.17 |
| MX3 |
60.4 ± 7.9 |
136.4 ± 3.5 |
1.61 ± 0.17 |
| RH08 |
86.7 ± 3.3 |
237.6 ± 1.7 |
1.61 ± 0.17 |
| RH09 |
88.0 ± 3.1 |
229.6 ± 1.7 |
1.61 ± 0.17 |
| RH10 |
88.1 ± 2.9 |
229.7 ± 9.1 |
1.61 ± 0.17 |
| Average |
64.0 |
242.9 |
1.61 |
| Median |
60.4 |
229.7 |
1.61 |
| Deviation |
26.0 |
111.2 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
72.0 ± 10.9 |
21.0 ± 0.7 |
40.5 ± 2.7 |
91.5 ± 5.0 |
3.44 ± 0.56 |
0.79 ± 0.12 |
| VC |
199.3 ± 3.9 |
46.6 ± 1.5 |
79.8 ± 5.4 |
81.4 ± 5.4 |
4.29 ± 0.19 |
2.46 ± 0.20 |
| MX1 |
69.7 ± 10.7 |
21.3 ± 0.7 |
41.1 ± 2.8 |
91.4 ± 5.0 |
3.27 ± 0.54 |
0.76 ± 0.11 |
| MX2 |
71.8 ± 10.7 |
20.9 ± 0.7 |
40.4 ± 2.7 |
91.5 ± 5.0 |
3.43 ± 0.56 |
0.79 ± 0.12 |
| MX3 |
72.5 ± 10.3 |
20.7 ± 0.7 |
39.9 ± 2.7 |
91.5 ± 5.0 |
3.51 ± 0.55 |
0.79 ± 0.11 |
| RH8 |
-2.4 ± 4.5 |
2.3 ± 0.1 |
4.6 ± 0.3 |
93.8 ± 5.0 |
-1.07 ± 1.97 |
-0.03 ± 0.05 |
| RH9 |
-6.1 ± 4.3 |
1.4 ± 0.0 |
2.9 ± 0.2 |
93.8 ± 5.0 |
-4.28 ± 3.03 |
-0.07 ± 0.05 |
| RH10 |
-6.5 ± 4.1 |
1.4 ± 0.0 |
2.7 ± 0.2 |
93.8 ± 5.0 |
-4.80 ± 3.10 |
-0.07 ± 0.05 |
| Average |
58.8 |
17.0 |
31.5 |
91.1 |
1.0 |
0.7 |
| Median |
71.8 |
20.9 |
40.4 |
91.5 |
3.4 |
0.8 |
| Deviation |
68.3 |
15.3 |
26.8 |
4.1 |
3.8 |
0.8 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
45.6 ± 5.1 |
20.3 ± 0.6 |
24.3 ± 0.9 |
80.3 ± 1.6 |
2.25 ± 0.28 |
0.57 ± 0.07 |
| VC |
129.7 ± 6.7 |
47.3 ± 1.7 |
47.9 ± 1.8 |
68.1 ± 1.2 |
2.75 ± 0.16 |
1.91 ± 0.09 |
| MX1 |
43.7 ± 4.9 |
20.6 ± 0.6 |
24.6 ± 0.9 |
80.3 ± 1.6 |
2.12 ± 0.27 |
0.55 ± 0.06 |
| MX2 |
45.1 ± 5.2 |
20.2 ± 0.6 |
24.2 ± 0.9 |
80.4 ± 1.6 |
2.23 ± 0.28 |
0.56 ± 0.07 |
| MX3 |
45.4 ± 5.1 |
20.0 ± 0.6 |
23.9 ± 0.9 |
80.4 ± 1.6 |
2.27 ± 0.28 |
0.56 ± 0.06 |
| RH8 |
-1.2 ± 2.2 |
2.2 ± 0.1 |
2.8 ± 0.1 |
82.8 ± 1.7 |
-0.50 ± 1.01 |
-0.01 ± 0.03 |
| RH9 |
-3.7 ± 2.2 |
1.4 ± 0.0 |
1.7 ± 0.1 |
82.9 ± 1.7 |
-2.61 ± 1.58 |
-0.04 ± 0.03 |
| RH10 |
-4.1 ± 2.2 |
1.3 ± 0.0 |
1.6 ± 0.1 |
82.9 ± 1.7 |
-3.08 ± 1.65 |
-0.05 ± 0.03 |
| Average |
37.6 |
16.7 |
18.9 |
79.7 |
0.7 |
0.5 |
| Median |
45.1 |
20.2 |
24.2 |
80.4 |
2.2 |
0.6 |
| Deviation |
44.1 |
15.4 |
16.1 |
4.9 |
2.4 |
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 Wed Jan 22 21:47:00 2020
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
