Database: Wind Shock Analysis
Event ID: 20191891826
Observation time: 07/08/2019 189.76832 1826 [UT]
|
|
General
Information (About, Top)
| Year |
2019 |
| Fractional day of year |
189.768316 |
| Arrival time of shock [seconds of day] |
66382.5 ± 40.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
226.957 |
| Y GSE location of spacecraft [Re] |
103.469 |
| Z GSE location of spacecraft [Re] |
-4.540 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0230 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0226 |
| Minimum chisq/dof for RH8,RH9,RH10 |
12.02, 32.21, 65.36 |
Event added to database
|
Tue Dec 10 17:34:52 2019
|
Event last processed
|
Tue Dec 10 19:05:19 2019
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
53.796 ± 9.659
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-303.5 ± 0.9 |
-371.8 ± 2.3 |
| Vy GSE [km/s] |
0.5 ± 1.4 |
-4.4 ± 2.5 |
| Vz GSE [km/s] |
-6.8 ± 2.3 |
-53.3 ± 1.8 |
| Wi [km/s] |
14.1 ± 0.8 |
23.9 ± 0.8 |
| We [km/s] |
446.2 ± 24.0 |
757.2 ± 24.3 |
| Ni [n/cc] |
7.6 ± 0.4 |
20.5 ± 1.2 |
| Bx GSE [nT] |
-0.2 ± 0.3 |
0.6 ± 0.3 |
| By GSE [nT] |
-3.8 ± 0.2 |
-10.2 ± 0.2 |
| Bz GSE [nT] |
0.4 ± 0.5 |
0.5 ± 0.3 |
Plasma Beta
|
0.213 ± 0.199
|
0.235 ± 0.235
|
Sound Speed [km/s]
|
18.22 ± 0.98
|
30.91 ± 0.99
|
Alfven Speed [km/s]
|
30.89 ± 2.33
|
49.53 ± 1.16
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.997 ± 0.069 |
-0.071 ± 0.783 |
-0.043 ± 0.043 |
-2.46 ± 54.59 |
184.07 ± 45.03 |
| VC |
-0.826 ± 0.018 |
-0.060 ± 0.033 |
-0.561 ± 0.493 |
-34.14 ± 1.86 |
184.15 ± 2.27 |
| MX1 |
-0.824 ± 0.022 |
-0.112 ± 0.075 |
-0.556 ± 0.490 |
-33.75 ± 2.07 |
187.73 ± 5.20 |
| MX2 |
-0.823 ± 0.021 |
-0.112 ± 0.074 |
-0.557 ± 0.491 |
-33.86 ± 1.96 |
187.73 ± 5.18 |
| MX3 |
-0.822 ± 0.021 |
-0.112 ± 0.074 |
-0.558 ± 0.491 |
-33.91 ± 1.94 |
187.73 ± 5.17 |
| RH08 |
-0.856 ± 0.008 |
-0.098 ± 0.007 |
-0.508 ± 0.459 |
-30.56 ± 0.85 |
186.52 ± 0.45 |
| RH09 |
0.000 ± 0.000 |
-0.000 ± 0.000 |
-1.000 ± 0.000 |
-90.00 ± 0.00 |
160.45 ± 104.36 |
| RH10 |
-0.000 ± 0.000 |
-0.000 ± 0.000 |
-1.000 ± 0.000 |
-90.00 ± 0.00 |
0.00 ± 104.36 |
| Average |
-0.643 |
-0.070 |
-0.598 |
-43.584 |
159.797 |
| Median |
-0.823 |
-0.071 |
-0.557 |
-33.856 |
186.518 |
| Deviation |
0.401 |
0.048 |
0.304 |
30.574 |
65.217 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
83.0 ± 4.7 |
415.3 ± 0.6 |
2.70 ± 0.14 |
| VC |
86.9 ± 7.4 |
385.9 ± 0.8 |
2.70 ± 0.14 |
| MX1 |
83.9 ± 7.4 |
385.1 ± 0.8 |
2.70 ± 0.14 |
| MX2 |
83.9 ± 7.4 |
384.8 ± 0.8 |
2.70 ± 0.14 |
| MX3 |
84.0 ± 7.4 |
384.6 ± 0.8 |
2.70 ± 0.14 |
| RH08 |
84.4 ± 7.2 |
394.4 ± 0.8 |
2.70 ± 0.14 |
| RH09 |
84.8 ± 7.5 |
79.4 ± 0.7 |
2.70 ± 0.14 |
| RH10 |
84.8 ± 7.5 |
79.4 ± 5.1 |
2.70 ± 0.14 |
| Average |
84.5 |
313.6 |
2.70 |
| Median |
84.4 |
385.1 |
2.70 |
| Deviation |
1.1 |
144.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
112.6 ± 1.0 |
1.9 ± 0.1 |
3.7 ± 0.3 |
35.8 ± 1.9 |
59.40 ± 2.76 |
3.15 ± 0.18 |
| VC |
131.6 ± 1.8 |
0.8 ± 0.0 |
1.7 ± 0.1 |
35.9 ± 1.9 |
156.02 ± 8.00 |
3.68 ± 0.20 |
| MX1 |
131.3 ± 1.8 |
1.7 ± 0.1 |
3.3 ± 0.2 |
35.9 ± 1.9 |
79.25 ± 4.05 |
3.67 ± 0.20 |
| MX2 |
131.3 ± 1.8 |
1.7 ± 0.1 |
3.3 ± 0.2 |
35.9 ± 1.9 |
79.55 ± 4.06 |
3.67 ± 0.20 |
| MX3 |
131.3 ± 1.8 |
1.7 ± 0.1 |
3.3 ± 0.2 |
35.9 ± 1.9 |
79.70 ± 4.07 |
3.67 ± 0.20 |
| RH8 |
131.4 ± 1.7 |
1.5 ± 0.1 |
3.0 ± 0.2 |
35.9 ± 1.9 |
85.77 ± 4.34 |
3.67 ± 0.20 |
| RH9 |
72.6 ± 2.3 |
1.4 ± 0.1 |
2.8 ± 0.2 |
35.9 ± 1.9 |
50.95 ± 3.35 |
2.03 ± 0.12 |
| RH10 |
72.6 ± 2.3 |
1.4 ± 0.1 |
2.8 ± 0.2 |
35.9 ± 1.9 |
50.95 ± 3.35 |
2.03 ± 0.12 |
| Average |
114.3 |
1.5 |
3.0 |
35.9 |
80.2 |
3.2 |
| Median |
131.3 |
1.7 |
3.3 |
35.9 |
79.6 |
3.7 |
| Deviation |
26.5 |
0.3 |
0.6 |
0.0 |
33.6 |
0.7 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
42.1 ± 2.1 |
3.2 ± 0.1 |
6.0 ± 0.1 |
58.3 ± 0.9 |
13.24 ± 0.48 |
0.72 ± 0.03 |
| VC |
48.7 ± 1.5 |
1.4 ± 0.0 |
2.7 ± 0.1 |
58.4 ± 0.9 |
34.43 ± 0.62 |
0.83 ± 0.02 |
| MX1 |
48.6 ± 1.5 |
2.8 ± 0.1 |
5.2 ± 0.1 |
58.3 ± 0.9 |
17.48 ± 0.31 |
0.83 ± 0.02 |
| MX2 |
48.6 ± 1.5 |
2.8 ± 0.1 |
5.2 ± 0.1 |
58.3 ± 0.9 |
17.54 ± 0.31 |
0.83 ± 0.02 |
| MX3 |
48.6 ± 1.5 |
2.8 ± 0.1 |
5.2 ± 0.1 |
58.3 ± 0.9 |
17.58 ± 0.32 |
0.83 ± 0.02 |
| RH8 |
48.7 ± 1.5 |
2.6 ± 0.1 |
4.9 ± 0.1 |
58.3 ± 0.9 |
18.96 ± 0.35 |
0.84 ± 0.02 |
| RH9 |
26.1 ± 1.8 |
2.4 ± 0.1 |
4.5 ± 0.1 |
58.3 ± 0.9 |
10.92 ± 0.84 |
0.45 ± 0.03 |
| RH10 |
26.1 ± 1.8 |
2.4 ± 0.1 |
4.5 ± 0.1 |
58.3 ± 0.9 |
10.92 ± 0.84 |
0.45 ± 0.03 |
| Average |
42.2 |
2.5 |
4.8 |
58.3 |
17.6 |
0.7 |
| Median |
48.6 |
2.8 |
5.2 |
58.3 |
17.5 |
0.8 |
| Deviation |
10.2 |
0.5 |
1.0 |
0.0 |
7.5 |
0.2 |
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)
| 
