Database: Wind Shock Analysis
Event ID: 20201110133
Observation time: 04/20/2020 111.06460 0133 [UT]
|
|
General
Information (About, Top)
| Year |
2020 |
| Fractional day of year |
111.064601 |
| Arrival time of shock [seconds of day] |
5581.5 ± 40.0 |
| Shock type |
FF |
| Electron data availability |
0 |
| X GSE location of spacecraft [Re] |
204.572 |
| Y GSE location of spacecraft [Re] |
-76.264 |
| Z GSE location of spacecraft [Re] |
2.522 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0302 |
| Downstream plasma points selected for analysis |
0017
|
| Downstream field points selected for analysis |
0565 |
| Minimum chisq/dof for RH8,RH9,RH10 |
4.34, 7.28, 7.45 |
Event added to database
|
Wed Jan 12 11:48:43 2022
|
Event last processed
|
Fri Jan 14 11:08:19 2022
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
60.561 ± 1.973
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-290.9 ± 1.0 |
-333.9 ± 0.9 |
| Vy GSE [km/s] |
-4.5 ± 2.0 |
-9.0 ± 2.1 |
| Vz GSE [km/s] |
-12.6 ± 1.6 |
6.0 ± 1.8 |
| Wi [km/s] |
15.3 ± 1.2 |
21.3 ± 1.2 |
| We [km/s] |
483.8 ± 37.3 |
673.7 ± 39.1 |
| Ni [n/cc] |
3.8 ± 0.5 |
10.5 ± 0.7 |
| Bx GSE [nT] |
-1.5 ± 0.2 |
-1.7 ± 0.4 |
| By GSE [nT] |
2.2 ± 0.2 |
5.9 ± 0.7 |
| Bz GSE [nT] |
-1.3 ± 0.1 |
-2.3 ± 0.9 |
Plasma Beta
|
0.221 ± 0.227
|
0.231 ± 0.222
|
Sound Speed [km/s]
|
19.75 ± 1.52
|
27.50 ± 1.60
|
Alfven Speed [km/s]
|
33.07 ± 2.43
|
44.61 ± 1.74
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.951 ± 0.130 |
-0.060 ± 0.215 |
-0.305 ± 0.295 |
-17.73 ± 24.38 |
183.59 ± 12.96 |
| VC |
-0.914 ± 0.018 |
-0.095 ± 0.059 |
0.394 ± 0.372 |
23.22 ± 2.52 |
185.94 ± 3.71 |
| MX1 |
-0.950 ± 0.020 |
0.017 ± 0.050 |
0.311 ± 0.301 |
18.12 ± 3.70 |
178.96 ± 3.01 |
| MX2 |
-0.939 ± 0.017 |
0.021 ± 0.047 |
0.343 ± 0.329 |
20.07 ± 2.75 |
178.74 ± 2.86 |
| MX3 |
-0.933 ± 0.017 |
0.023 ± 0.046 |
0.360 ± 0.344 |
21.11 ± 2.64 |
178.58 ± 2.80 |
| RH08 |
-0.985 ± 0.003 |
0.026 ± 0.000 |
0.173 ± 0.171 |
9.97 ± 0.84 |
178.50 ± 0.00 |
| RH09 |
-0.993 ± 0.008 |
0.026 ± 0.070 |
0.117 ± 0.117 |
6.74 ± 4.01 |
178.50 ± 4.07 |
| RH10 |
-0.993 ± 0.008 |
0.026 ± 0.070 |
0.117 ± 0.117 |
6.74 ± 4.01 |
178.50 ± 4.07 |
| Average |
-0.957 |
-0.002 |
0.189 |
11.030 |
180.162 |
| Median |
-0.950 |
0.023 |
0.311 |
18.123 |
178.742 |
| Deviation |
0.030 |
0.048 |
0.228 |
13.350 |
2.913 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
55.5 ± 4.6 |
336.8 ± 0.3 |
2.76 ± 0.45 |
| VC |
78.0 ± 3.3 |
335.6 ± 0.5 |
2.76 ± 0.45 |
| MX1 |
69.7 ± 3.3 |
346.0 ± 0.5 |
2.76 ± 0.45 |
| MX2 |
70.8 ± 3.2 |
342.5 ± 0.5 |
2.76 ± 0.45 |
| MX3 |
71.4 ± 3.2 |
340.4 ± 0.5 |
2.76 ± 0.45 |
| RH08 |
64.4 ± 3.6 |
355.8 ± 0.4 |
2.76 ± 0.45 |
| RH09 |
62.5 ± 3.8 |
357.9 ± 0.4 |
2.76 ± 0.45 |
| RH10 |
62.5 ± 3.8 |
357.9 ± 5.3 |
2.76 ± 0.45 |
| Average |
66.9 |
346.6 |
2.76 |
| Median |
69.7 |
346.0 |
2.76 |
| Deviation |
7.0 |
9.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
56.2 ± 1.0 |
9.9 ± 0.5 |
18.7 ± 1.4 |
37.3 ± 1.7 |
5.69 ± 0.37 |
1.51 ± 0.06 |
| VC |
74.3 ± 1.3 |
3.5 ± 0.2 |
6.9 ± 0.5 |
38.4 ± 1.6 |
21.17 ± 1.16 |
1.94 ± 0.08 |
| MX1 |
73.6 ± 1.2 |
5.9 ± 0.3 |
11.4 ± 0.8 |
38.1 ± 1.6 |
12.48 ± 0.71 |
1.93 ± 0.08 |
| MX2 |
73.8 ± 1.2 |
5.6 ± 0.3 |
10.9 ± 0.8 |
38.2 ± 1.6 |
13.20 ± 0.75 |
1.94 ± 0.08 |
| MX3 |
73.8 ± 1.2 |
5.4 ± 0.3 |
10.6 ± 0.8 |
38.2 ± 1.6 |
13.58 ± 0.77 |
1.93 ± 0.08 |
| RH8 |
71.8 ± 1.1 |
7.4 ± 0.4 |
14.3 ± 1.1 |
37.9 ± 1.6 |
9.69 ± 0.57 |
1.90 ± 0.08 |
| RH9 |
70.8 ± 1.1 |
8.0 ± 0.4 |
15.2 ± 1.1 |
37.7 ± 1.6 |
8.92 ± 0.53 |
1.88 ± 0.08 |
| RH10 |
70.8 ± 1.1 |
8.0 ± 0.4 |
15.2 ± 1.1 |
37.7 ± 1.6 |
8.92 ± 0.53 |
1.88 ± 0.08 |
| Average |
70.6 |
6.7 |
12.9 |
37.9 |
11.7 |
1.9 |
| Median |
73.6 |
7.4 |
14.3 |
38.1 |
12.5 |
1.9 |
| Deviation |
6.0 |
2.0 |
3.7 |
0.4 |
4.7 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
20.7 ± 1.0 |
13.7 ± 0.5 |
25.3 ± 1.0 |
50.6 ± 1.1 |
1.51 ± 0.10 |
0.41 ± 0.02 |
| VC |
27.2 ± 1.1 |
4.9 ± 0.2 |
9.3 ± 0.4 |
52.2 ± 1.1 |
5.58 ± 0.33 |
0.52 ± 0.02 |
| MX1 |
26.9 ± 1.1 |
8.2 ± 0.3 |
15.4 ± 0.6 |
51.8 ± 1.1 |
3.30 ± 0.20 |
0.52 ± 0.02 |
| MX2 |
27.0 ± 1.1 |
7.8 ± 0.3 |
14.7 ± 0.6 |
51.9 ± 1.1 |
3.49 ± 0.21 |
0.52 ± 0.02 |
| MX3 |
27.0 ± 1.1 |
7.5 ± 0.3 |
14.3 ± 0.6 |
51.9 ± 1.1 |
3.59 ± 0.22 |
0.52 ± 0.02 |
| RH8 |
26.2 ± 1.0 |
10.3 ± 0.4 |
19.3 ± 0.8 |
51.4 ± 1.1 |
2.56 ± 0.15 |
0.51 ± 0.02 |
| RH9 |
25.9 ± 0.9 |
11.0 ± 0.4 |
20.6 ± 0.8 |
51.3 ± 1.1 |
2.36 ± 0.14 |
0.51 ± 0.02 |
| RH10 |
25.9 ± 0.9 |
11.0 ± 0.4 |
20.6 ± 0.8 |
51.3 ± 1.1 |
2.36 ± 0.14 |
0.51 ± 0.02 |
| Average |
25.9 |
9.3 |
17.4 |
51.5 |
3.1 |
0.5 |
| Median |
26.9 |
10.3 |
19.3 |
51.8 |
3.3 |
0.5 |
| Deviation |
2.2 |
2.7 |
5.0 |
0.5 |
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 Fri Jan 14 13:41:43 2022
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
