Database: Wind Shock Analysis
Event ID: 20203450137
Observation time: 12/10/2020 345.06745 0137 [UT]
|
|
General
Information (About, Top)
| Year |
2020 |
| Fractional day of year |
345.067448 |
| Arrival time of shock [seconds of day] |
5827.5 ± 30.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
205.593 |
| Y GSE location of spacecraft [Re] |
92.032 |
| Z GSE location of spacecraft [Re] |
-3.092 |
| Upstream plasma points selected for analysis |
0004 |
| Upstream field points selected for analysis |
0144 |
| Downstream plasma points selected for analysis |
0005
|
| Downstream field points selected for analysis |
0186 |
| Minimum chisq/dof for RH8,RH9,RH10 |
17.42, 24.70, 27.35 |
Event added to database
|
Wed Jan 12 13:06:53 2022
|
Event last processed
|
Fri Jan 14 11:20:47 2022
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
32.286 ± 0.642
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-449.4 ± 15.9 |
-552.5 ± 8.0 |
| Vy GSE [km/s] |
30.9 ± 5.1 |
-7.2 ± 2.4 |
| Vz GSE [km/s] |
5.5 ± 12.8 |
12.2 ± 13.8 |
| Wi [km/s] |
49.2 ± 4.6 |
74.4 ± 2.4 |
| We [km/s] |
1555.9 ± 145.6 |
2351.6 ± 75.4 |
| Ni [n/cc] |
5.0 ± 0.3 |
10.6 ± 0.5 |
| Bx GSE [nT] |
2.0 ± 1.4 |
2.2 ± 1.4 |
| By GSE [nT] |
-2.6 ± 0.7 |
-13.0 ± 0.7 |
| Bz GSE [nT] |
4.3 ± 1.8 |
4.1 ± 2.2 |
Plasma Beta
|
0.803 ± 0.744
|
0.637 ± 0.629
|
Sound Speed [km/s]
|
63.52 ± 5.94
|
96.00 ± 3.08
|
Alfven Speed [km/s]
|
56.13 ± 4.66
|
93.58 ± 3.89
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.529 ± 0.417 |
0.085 ± 0.392 |
-0.845 ± 0.539 |
-57.63 ± 28.30 |
170.91 ± 41.84 |
| VC |
-0.934 ± 0.027 |
-0.352 ± 0.068 |
0.057 ± 0.056 |
3.24 ± 8.25 |
200.64 ± 4.16 |
| MX1 |
-0.946 ± 0.161 |
0.018 ± 0.383 |
-0.325 ± 0.313 |
-18.96 ± 28.32 |
178.93 ± 23.19 |
| MX2 |
-0.999 ± 0.005 |
-0.002 ± 0.180 |
-0.047 ± 0.047 |
-2.71 ± 6.48 |
180.09 ± 10.34 |
| MX3 |
-0.998 ± 0.004 |
-0.011 ± 0.174 |
0.055 ± 0.055 |
3.15 ± 4.20 |
180.63 ± 9.97 |
| RH08 |
-0.989 ± 0.005 |
0.131 ± 0.032 |
-0.073 ± 0.072 |
-4.16 ± 1.76 |
172.48 ± 1.83 |
| RH09 |
-0.970 ± 0.017 |
0.198 ± 0.069 |
-0.140 ± 0.139 |
-8.03 ± 4.02 |
168.47 ± 4.07 |
| RH10 |
-0.970 ± 0.017 |
0.198 ± 0.069 |
-0.140 ± 0.139 |
-8.03 ± 4.02 |
168.47 ± 4.07 |
| Average |
-0.917 |
0.033 |
-0.182 |
-11.641 |
177.578 |
| Median |
-0.970 |
0.085 |
-0.073 |
-4.165 |
178.932 |
| Deviation |
0.159 |
0.177 |
0.294 |
19.895 |
10.597 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
31.8 ± 8.2 |
317.2 ± 5.7 |
2.16 ± 0.13 |
| VC |
82.2 ± 14.3 |
614.0 ± 5.1 |
2.16 ± 0.13 |
| MX1 |
53.5 ± 13.6 |
602.4 ± 5.1 |
2.16 ± 0.13 |
| MX2 |
66.0 ± 18.0 |
643.9 ± 5.2 |
2.16 ± 0.13 |
| MX3 |
70.9 ± 19.1 |
643.2 ± 5.3 |
2.16 ± 0.13 |
| RH08 |
60.7 ± 19.6 |
630.7 ± 5.1 |
2.16 ± 0.13 |
| RH09 |
55.5 ± 19.8 |
612.9 ± 5.0 |
2.16 ± 0.13 |
| RH10 |
55.5 ± 19.8 |
612.9 ± 21.9 |
2.16 ± 0.13 |
| Average |
59.5 |
584.7 |
2.16 |
| Median |
60.7 |
614.0 |
2.16 |
| Deviation |
14.7 |
109.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
81.6 ± 4.2 |
40.3 ± 1.8 |
47.7 ± 4.0 |
74.8 ± 3.0 |
2.03 ± 0.09 |
1.09 ± 0.08 |
| VC |
204.7 ± 15.6 |
5.7 ± 0.2 |
7.6 ± 0.6 |
84.8 ± 2.9 |
36.20 ± 3.65 |
2.41 ± 0.17 |
| MX1 |
178.7 ± 11.2 |
26.1 ± 1.1 |
33.4 ± 2.8 |
80.9 ± 2.9 |
6.85 ± 0.59 |
2.21 ± 0.12 |
| MX2 |
195.2 ± 15.3 |
17.4 ± 0.7 |
22.8 ± 1.9 |
83.2 ± 2.9 |
11.27 ± 1.14 |
2.35 ± 0.16 |
| MX3 |
194.5 ± 16.5 |
13.8 ± 0.5 |
18.4 ± 1.5 |
83.8 ± 2.9 |
14.08 ± 1.51 |
2.32 ± 0.17 |
| RH8 |
182.7 ± 14.8 |
21.1 ± 0.8 |
27.4 ± 2.3 |
82.3 ± 2.9 |
8.68 ± 0.90 |
2.22 ± 0.15 |
| RH9 |
171.5 ± 13.8 |
24.7 ± 1.0 |
31.8 ± 2.6 |
81.3 ± 2.9 |
6.96 ± 0.71 |
2.11 ± 0.14 |
| RH10 |
171.5 ± 13.8 |
24.7 ± 1.0 |
31.8 ± 2.6 |
81.3 ± 2.9 |
6.96 ± 0.71 |
2.11 ± 0.14 |
| Average |
172.5 |
21.7 |
27.6 |
81.6 |
11.6 |
2.1 |
| Median |
182.7 |
24.7 |
31.8 |
82.3 |
8.7 |
2.2 |
| Deviation |
38.6 |
10.2 |
11.8 |
3.1 |
10.5 |
0.4 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
36.0 ± 15.8 |
65.0 ± 0.9 |
79.5 ± 3.3 |
117.3 ± 1.6 |
0.55 ± 0.24 |
0.31 ± 0.13 |
| VC |
94.6 ± 6.4 |
9.1 ± 0.1 |
12.7 ± 0.5 |
133.8 ± 1.8 |
10.41 ± 0.68 |
0.71 ± 0.05 |
| MX1 |
84.1 ± 11.9 |
42.0 ± 0.6 |
55.7 ± 2.3 |
127.4 ± 1.7 |
2.00 ± 0.27 |
0.66 ± 0.09 |
| MX2 |
92.5 ± 8.6 |
27.8 ± 0.4 |
38.1 ± 1.6 |
131.2 ± 1.8 |
3.32 ± 0.30 |
0.71 ± 0.06 |
| MX3 |
90.8 ± 7.3 |
22.2 ± 0.3 |
30.6 ± 1.3 |
132.3 ± 1.8 |
4.09 ± 0.32 |
0.69 ± 0.05 |
| RH8 |
86.2 ± 9.0 |
33.8 ± 0.4 |
45.8 ± 1.9 |
129.8 ± 1.7 |
2.55 ± 0.26 |
0.66 ± 0.07 |
| RH9 |
80.0 ± 9.8 |
39.6 ± 0.5 |
52.9 ± 2.2 |
128.1 ± 1.7 |
2.02 ± 0.24 |
0.62 ± 0.08 |
| RH10 |
80.0 ± 9.8 |
39.6 ± 0.5 |
52.9 ± 2.2 |
128.1 ± 1.7 |
2.02 ± 0.24 |
0.62 ± 0.08 |
| Average |
80.5 |
34.9 |
46.0 |
128.5 |
3.4 |
0.6 |
| Median |
86.2 |
39.6 |
52.9 |
129.8 |
2.5 |
0.7 |
| Deviation |
18.8 |
16.4 |
19.7 |
5.0 |
3.0 |
0.1 |
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 13:41:32 2022
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
