Database: Wind Shock Analysis
Event ID: 20191462130
Observation time: 05/26/2019 146.89637 2130 [UT]
|
|
General
Information (About, Top)
| Year |
2019 |
| Fractional day of year |
146.896372 |
| Arrival time of shock [seconds of day] |
77446.5 ± 120.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
201.202 |
| Y GSE location of spacecraft [Re] |
12.397 |
| Z GSE location of spacecraft [Re] |
-6.159 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0303 |
| Downstream plasma points selected for analysis |
0005
|
| Downstream field points selected for analysis |
0170 |
| Minimum chisq/dof for RH8,RH9,RH10 |
3.81, 10.99, 11.36 |
Event added to database
|
Tue Dec 10 17:19:08 2019
|
Event last processed
|
Tue Dec 10 19:01:20 2019
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
55.013 ± 0.302
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-302.8 ± 2.6 |
-361.8 ± 1.4 |
| Vy GSE [km/s] |
1.2 ± 2.7 |
26.8 ± 6.8 |
| Vz GSE [km/s] |
-2.6 ± 0.6 |
-8.3 ± 2.9 |
| Wi [km/s] |
17.3 ± 3.1 |
41.6 ± 2.4 |
| We [km/s] |
545.6 ± 98.8 |
1315.9 ± 77.1 |
| Ni [n/cc] |
4.1 ± 1.2 |
17.0 ± 0.5 |
| Bx GSE [nT] |
-1.8 ± 0.1 |
-0.9 ± 0.5 |
| By GSE [nT] |
1.2 ± 0.2 |
3.4 ± 1.0 |
| Bz GSE [nT] |
0.5 ± 0.1 |
2.8 ± 0.6 |
Plasma Beta
|
0.590 ± 0.692
|
3.065 ± 3.207
|
Sound Speed [km/s]
|
22.27 ± 4.03
|
53.72 ± 3.15
|
Alfven Speed [km/s]
|
24.54 ± 4.94
|
24.23 ± 2.42
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.920 ± 0.042 |
0.391 ± 0.098 |
0.034 ± 0.034 |
1.93 ± 5.36 |
156.98 ± 6.12 |
| VC |
-0.916 ± 0.036 |
0.392 ± 0.085 |
-0.087 ± 0.087 |
-5.02 ± 2.34 |
156.81 ± 5.30 |
| MX1 |
-0.903 ± 0.033 |
0.429 ± 0.069 |
-0.023 ± 0.023 |
-1.34 ± 3.37 |
154.56 ± 4.35 |
| MX2 |
-0.898 ± 0.033 |
0.438 ± 0.067 |
-0.038 ± 0.038 |
-2.18 ± 2.65 |
153.99 ± 4.26 |
| MX3 |
-0.897 ± 0.033 |
0.440 ± 0.067 |
-0.041 ± 0.041 |
-2.34 ± 2.55 |
153.89 ± 4.26 |
| RH08 |
-0.971 ± 0.005 |
0.234 ± 0.021 |
0.039 ± 0.039 |
2.24 ± 0.98 |
166.46 ± 1.25 |
| RH09 |
-0.958 ± 0.020 |
0.285 ± 0.065 |
0.028 ± 0.028 |
1.60 ± 4.06 |
163.45 ± 3.91 |
| RH10 |
-0.958 ± 0.020 |
0.285 ± 0.065 |
0.028 ± 0.028 |
1.60 ± 4.06 |
163.45 ± 3.91 |
| Average |
-0.928 |
0.362 |
-0.008 |
-0.438 |
158.699 |
| Median |
-0.916 |
0.392 |
0.028 |
1.601 |
156.978 |
| Deviation |
0.030 |
0.082 |
0.046 |
2.660 |
4.993 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
16.1 ± 4.8 |
363.5 ± 1.1 |
4.35 ± 1.03 |
| VC |
21.7 ± 4.0 |
363.3 ± 1.1 |
4.35 ± 1.03 |
| MX1 |
17.5 ± 4.0 |
359.2 ± 1.1 |
4.35 ± 1.03 |
| MX2 |
18.0 ± 3.8 |
357.9 ± 1.1 |
4.35 ± 1.03 |
| MX3 |
18.1 ± 3.8 |
357.7 ± 1.1 |
4.35 ± 1.03 |
| RH08 |
23.2 ± 5.5 |
378.7 ± 1.0 |
4.35 ± 1.03 |
| RH09 |
21.0 ± 5.3 |
375.4 ± 1.0 |
4.35 ± 1.03 |
| RH10 |
21.0 ± 5.3 |
375.4 ± 6.8 |
4.35 ± 1.03 |
| Average |
19.6 |
366.4 |
4.35 |
| Median |
21.0 |
363.5 |
4.35 |
| Deviation |
2.5 |
8.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
84.5 ± 3.3 |
18.5 ± 2.2 |
23.6 ± 4.7 |
27.9 ± 3.5 |
4.67 ± 0.88 |
3.06 ± 0.26 |
| VC |
85.4 ± 3.2 |
17.4 ± 2.0 |
22.8 ± 4.6 |
28.6 ± 3.2 |
5.00 ± 0.88 |
3.00 ± 0.23 |
| MX1 |
85.2 ± 3.3 |
18.2 ± 2.1 |
23.4 ± 4.7 |
28.1 ± 3.4 |
4.77 ± 0.89 |
3.06 ± 0.25 |
| MX2 |
85.3 ± 3.3 |
18.1 ± 2.1 |
23.3 ± 4.7 |
28.2 ± 3.4 |
4.80 ± 0.89 |
3.06 ± 0.25 |
| MX3 |
85.3 ± 3.3 |
18.1 ± 2.1 |
23.3 ± 4.7 |
28.2 ± 3.4 |
4.81 ± 0.89 |
3.06 ± 0.25 |
| RH8 |
84.4 ± 3.0 |
17.1 ± 1.9 |
22.6 ± 4.5 |
28.8 ± 3.2 |
5.03 ± 0.86 |
2.95 ± 0.23 |
| RH9 |
85.0 ± 3.1 |
17.5 ± 2.0 |
22.9 ± 4.6 |
28.6 ± 3.3 |
4.94 ± 0.87 |
3.00 ± 0.24 |
| RH10 |
85.0 ± 3.1 |
17.5 ± 2.0 |
22.9 ± 4.6 |
28.6 ± 3.3 |
4.94 ± 0.87 |
3.00 ± 0.24 |
| Average |
85.0 |
17.8 |
23.1 |
28.4 |
4.9 |
3.0 |
| Median |
85.2 |
18.1 |
23.3 |
28.6 |
4.9 |
3.1 |
| Deviation |
0.4 |
0.5 |
0.4 |
0.3 |
0.1 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
20.5 ± 2.9 |
23.0 ± 2.2 |
23.3 ± 2.3 |
54.3 ± 3.0 |
0.89 ± 0.05 |
0.38 ± 0.07 |
| VC |
20.8 ± 3.2 |
22.1 ± 2.1 |
22.5 ± 2.3 |
54.6 ± 2.9 |
0.94 ± 0.07 |
0.38 ± 0.08 |
| MX1 |
20.8 ± 3.2 |
22.8 ± 2.2 |
23.1 ± 2.3 |
54.3 ± 3.0 |
0.91 ± 0.07 |
0.39 ± 0.08 |
| MX2 |
20.9 ± 3.3 |
22.8 ± 2.2 |
23.1 ± 2.3 |
54.4 ± 3.0 |
0.92 ± 0.07 |
0.39 ± 0.08 |
| MX3 |
20.9 ± 3.3 |
22.7 ± 2.2 |
23.0 ± 2.3 |
54.4 ± 3.0 |
0.92 ± 0.07 |
0.39 ± 0.08 |
| RH8 |
21.3 ± 2.1 |
21.8 ± 2.0 |
22.3 ± 2.2 |
54.8 ± 2.9 |
0.97 ± 0.02 |
0.39 ± 0.05 |
| RH9 |
21.3 ± 2.3 |
22.2 ± 2.1 |
22.6 ± 2.3 |
54.6 ± 2.9 |
0.96 ± 0.03 |
0.39 ± 0.06 |
| RH10 |
21.3 ± 2.3 |
22.2 ± 2.1 |
22.6 ± 2.3 |
54.6 ± 2.9 |
0.96 ± 0.03 |
0.39 ± 0.06 |
| Average |
21.0 |
22.5 |
22.8 |
54.5 |
0.9 |
0.4 |
| Median |
20.9 |
22.7 |
23.0 |
54.6 |
0.9 |
0.4 |
| Deviation |
0.3 |
0.4 |
0.4 |
0.2 |
0.0 |
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)
| 
