Database: Wind Shock Analysis
Event ID: 20200341936
Observation time: 02/03/2020 34.81675 1936 [UT]
|
|
General
Information (About, Top)
| Year |
2020 |
| Fractional day of year |
34.816753 |
| Arrival time of shock [seconds of day] |
70567.5 ± 60.0 |
| Shock type |
SF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
254.953 |
| Y GSE location of spacecraft [Re] |
36.591 |
| Z GSE location of spacecraft [Re] |
2.310 |
| Upstream plasma points selected for analysis |
0004 |
| Upstream field points selected for analysis |
0137 |
| Downstream plasma points selected for analysis |
0005
|
| Downstream field points selected for analysis |
0170 |
| Minimum chisq/dof for RH8,RH9,RH10 |
13.03, 19.97, 23.54 |
Event added to database
|
Wed Jan 12 10:55:49 2022
|
Event last processed
|
Fri Jan 14 11:04:48 2022
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
78.761 ± 4.169
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-351.4 ± 0.2 |
-365.3 ± 1.3 |
| Vy GSE [km/s] |
13.5 ± 1.0 |
11.6 ± 0.9 |
| Vz GSE [km/s] |
-8.6 ± 0.5 |
-13.8 ± 1.5 |
| Wi [km/s] |
21.3 ± 0.1 |
25.6 ± 0.3 |
| We [km/s] |
674.0 ± 4.6 |
810.2 ± 8.3 |
| Ni [n/cc] |
5.9 ± 0.0 |
7.4 ± 0.2 |
| Bx GSE [nT] |
3.6 ± 0.0 |
2.2 ± 0.1 |
| By GSE [nT] |
0.9 ± 0.0 |
1.4 ± 0.0 |
| Bz GSE [nT] |
1.2 ± 0.0 |
0.7 ± 0.3 |
Plasma Beta
|
0.369 ± 0.372
|
1.406 ± 1.401
|
Sound Speed [km/s]
|
27.51 ± 0.19
|
33.08 ± 0.34
|
Alfven Speed [km/s]
|
35.11 ± 0.20
|
21.65 ± 0.80
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.357 ± 0.072 |
-0.925 ± 0.042 |
-0.130 ± 0.130 |
-7.49 ± 15.26 |
248.92 ± 4.36 |
| VC |
-0.933 ± 0.030 |
-0.121 ± 0.076 |
-0.340 ± 0.326 |
-19.85 ± 4.78 |
187.40 ± 4.67 |
| MX1 |
-0.517 ± 0.358 |
-0.851 ± 0.222 |
0.091 ± 0.091 |
5.21 ± 35.68 |
238.75 ± 24.02 |
| MX2 |
-0.379 ± 0.085 |
-0.922 ± 0.042 |
-0.082 ± 0.082 |
-4.71 ± 17.78 |
247.66 ± 5.28 |
| MX3 |
-0.319 ± 0.062 |
-0.924 ± 0.053 |
-0.212 ± 0.209 |
-12.24 ± 14.07 |
250.97 ± 3.67 |
| RH08 |
-0.340 ± 0.017 |
-0.918 ± 0.011 |
0.207 ± 0.204 |
11.93 ± 2.58 |
249.69 ± 1.05 |
| RH09 |
-0.370 ± 0.047 |
-0.860 ± 0.031 |
0.352 ± 0.337 |
20.61 ± 4.16 |
246.69 ± 3.04 |
| RH10 |
-0.380 ± 0.052 |
-0.841 ± 0.034 |
0.385 ± 0.365 |
22.67 ± 4.14 |
245.68 ± 3.49 |
| Average |
-0.449 |
-0.795 |
0.034 |
2.016 |
239.469 |
| Median |
-0.370 |
-0.860 |
0.091 |
5.212 |
247.656 |
| Deviation |
0.204 |
0.275 |
0.267 |
15.574 |
21.366 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
55.2 ± 0.7 |
153.7 ± 1.6 |
1.23 ± 0.03 |
| VC |
5.8 ± 0.7 |
410.2 ± 2.3 |
1.23 ± 0.03 |
| MX1 |
50.6 ± 0.7 |
213.0 ± 1.4 |
1.23 ± 0.03 |
| MX2 |
54.8 ± 0.7 |
161.1 ± 1.6 |
1.23 ± 0.03 |
| MX3 |
55.9 ± 0.7 |
140.9 ± 1.7 |
1.23 ± 0.03 |
| RH08 |
63.3 ± 0.7 |
132.3 ± 1.2 |
1.23 ± 0.03 |
| RH09 |
65.1 ± 0.6 |
141.2 ± 1.1 |
1.23 ± 0.03 |
| RH10 |
65.5 ± 0.6 |
144.0 ± 4.8 |
1.23 ± 0.03 |
| Average |
52.0 |
187.1 |
1.23 |
| Median |
55.9 |
153.7 |
1.23 |
| Deviation |
19.5 |
93.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
39.7 ± 0.8 |
12.9 ± 0.0 |
20.1 ± 0.1 |
42.7 ± 0.1 |
3.07 ± 0.07 |
0.93 ± 0.02 |
| VC |
81.1 ± 0.2 |
27.2 ± 0.2 |
34.9 ± 0.2 |
35.4 ± 0.2 |
2.98 ± 0.02 |
2.29 ± 0.01 |
| MX1 |
43.7 ± 0.8 |
14.5 ± 0.0 |
22.3 ± 0.1 |
42.2 ± 0.1 |
3.01 ± 0.06 |
1.04 ± 0.02 |
| MX2 |
39.7 ± 0.8 |
13.1 ± 0.0 |
20.2 ± 0.1 |
42.7 ± 0.1 |
3.04 ± 0.07 |
0.93 ± 0.02 |
| MX3 |
39.6 ± 0.8 |
12.7 ± 0.0 |
19.7 ± 0.1 |
42.8 ± 0.1 |
3.12 ± 0.07 |
0.93 ± 0.02 |
| RH8 |
27.2 ± 0.9 |
10.0 ± 0.0 |
15.8 ± 0.1 |
43.5 ± 0.1 |
2.72 ± 0.10 |
0.62 ± 0.02 |
| RH9 |
25.6 ± 0.9 |
9.3 ± 0.0 |
14.8 ± 0.1 |
43.6 ± 0.1 |
2.75 ± 0.10 |
0.59 ± 0.02 |
| RH10 |
25.1 ± 0.9 |
9.2 ± 0.0 |
14.6 ± 0.1 |
43.6 ± 0.1 |
2.74 ± 0.10 |
0.58 ± 0.02 |
| Average |
40.2 |
13.6 |
20.3 |
42.0 |
2.9 |
1.0 |
| Median |
39.7 |
12.9 |
20.1 |
42.8 |
3.0 |
0.9 |
| Deviation |
18.1 |
5.8 |
6.6 |
2.7 |
0.2 |
0.6 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
32.4 ± 1.4 |
10.8 ± 0.3 |
12.4 ± 0.5 |
38.0 ± 0.3 |
3.01 ± 0.08 |
0.85 ± 0.03 |
| VC |
66.1 ± 1.7 |
21.5 ± 0.8 |
21.5 ± 0.8 |
33.2 ± 0.3 |
3.08 ± 0.08 |
1.99 ± 0.05 |
| MX1 |
35.4 ± 1.3 |
12.1 ± 0.3 |
13.8 ± 0.5 |
37.6 ± 0.3 |
2.93 ± 0.05 |
0.94 ± 0.03 |
| MX2 |
32.3 ± 1.4 |
10.9 ± 0.3 |
12.5 ± 0.5 |
38.0 ± 0.3 |
2.98 ± 0.07 |
0.85 ± 0.03 |
| MX3 |
32.3 ± 1.4 |
10.5 ± 0.3 |
12.1 ± 0.4 |
38.1 ± 0.3 |
3.07 ± 0.09 |
0.85 ± 0.03 |
| RH8 |
21.8 ± 1.1 |
8.3 ± 0.2 |
9.7 ± 0.4 |
38.7 ± 0.3 |
2.62 ± 0.07 |
0.56 ± 0.02 |
| RH9 |
20.7 ± 1.0 |
7.8 ± 0.2 |
9.1 ± 0.3 |
38.8 ± 0.3 |
2.66 ± 0.06 |
0.53 ± 0.02 |
| RH10 |
20.3 ± 1.0 |
7.7 ± 0.2 |
9.0 ± 0.3 |
38.8 ± 0.3 |
2.65 ± 0.06 |
0.52 ± 0.02 |
| Average |
32.7 |
11.2 |
12.5 |
37.7 |
2.9 |
0.9 |
| Median |
32.3 |
10.8 |
12.4 |
38.1 |
3.0 |
0.9 |
| Deviation |
14.8 |
4.5 |
4.1 |
1.8 |
0.2 |
0.5 |
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 13:41:45 2022
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
