Database: Wind Shock Analysis
Event ID: 20210110811
Observation time: 01/11/2021 11.34106 0811 [UT]
|
|
General
Information (About, Top)
| Year |
2021 |
| Fractional day of year |
11.341059 |
| Arrival time of shock [seconds of day] |
29467.5 ± 30.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
243.455 |
| Y GSE location of spacecraft [Re] |
75.048 |
| Z GSE location of spacecraft [Re] |
9.648 |
| Upstream plasma points selected for analysis |
0006 |
| Upstream field points selected for analysis |
0194 |
| Downstream plasma points selected for analysis |
0004
|
| Downstream field points selected for analysis |
0228 |
| Minimum chisq/dof for RH8,RH9,RH10 |
8.52, 40.64, 53.40 |
Event added to database
|
Wed Jan 12 14:35:56 2022
|
Event last processed
|
Fri Jan 14 11:23:04 2022
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
75.436 ± 0.131
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-279.6 ± 1.7 |
-325.4 ± 1.1 |
| Vy GSE [km/s] |
-9.1 ± 0.5 |
-23.1 ± 1.4 |
| Vz GSE [km/s] |
-8.8 ± 1.2 |
-10.1 ± 2.3 |
| Wi [km/s] |
15.6 ± 0.3 |
23.9 ± 1.7 |
| We [km/s] |
494.1 ± 10.7 |
755.4 ± 54.1 |
| Ni [n/cc] |
9.9 ± 0.3 |
26.5 ± 1.8 |
| Bx GSE [nT] |
-0.1 ± 0.2 |
0.6 ± 0.3 |
| By GSE [nT] |
-2.1 ± 0.1 |
-5.3 ± 0.3 |
| Bz GSE [nT] |
-0.6 ± 0.2 |
-0.1 ± 0.4 |
Plasma Beta
|
1.026 ± 1.028
|
1.140 ± 1.159
|
Sound Speed [km/s]
|
20.17 ± 0.43
|
30.84 ± 2.21
|
Alfven Speed [km/s]
|
15.45 ± 0.54
|
22.62 ± 1.65
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.613 ± 0.360 |
-0.321 ± 0.314 |
-0.722 ± 0.558 |
-46.21 ± 29.79 |
207.65 ± 24.41 |
| VC |
-0.956 ± 0.008 |
-0.291 ± 0.026 |
-0.027 ± 0.027 |
-1.57 ± 2.84 |
196.95 ± 1.57 |
| MX1 |
-0.972 ± 0.027 |
-0.234 ± 0.112 |
-0.013 ± 0.013 |
-0.73 ± 3.84 |
193.51 ± 6.58 |
| MX2 |
-0.971 ± 0.026 |
-0.236 ± 0.106 |
-0.027 ± 0.027 |
-1.56 ± 2.94 |
193.67 ± 6.26 |
| MX3 |
-0.971 ± 0.025 |
-0.238 ± 0.103 |
-0.036 ± 0.036 |
-2.08 ± 2.82 |
193.77 ± 6.08 |
| RH08 |
-0.972 ± 0.002 |
-0.234 ± 0.009 |
-0.017 ± 0.017 |
-0.96 ± 0.95 |
193.54 ± 0.53 |
| RH09 |
-0.599 ± 0.057 |
-0.058 ± 0.058 |
0.799 ± 0.557 |
53.02 ± 4.12 |
185.52 ± 5.56 |
| RH10 |
-0.626 ± 0.055 |
-0.072 ± 0.070 |
0.777 ± 0.560 |
50.94 ± 4.02 |
186.52 ± 6.38 |
| Average |
-0.835 |
-0.210 |
0.092 |
6.358 |
193.891 |
| Median |
-0.956 |
-0.234 |
-0.017 |
-0.960 |
193.671 |
| Deviation |
0.184 |
0.096 |
0.493 |
32.138 |
6.798 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
58.2 ± 5.6 |
236.2 ± 0.8 |
2.70 ± 0.19 |
| VC |
70.5 ± 4.1 |
347.1 ± 0.6 |
2.70 ± 0.19 |
| MX1 |
74.0 ± 4.2 |
350.9 ± 0.6 |
2.70 ± 0.19 |
| MX2 |
73.7 ± 4.2 |
350.8 ± 0.6 |
2.70 ± 0.19 |
| MX3 |
73.4 ± 4.2 |
350.7 ± 0.6 |
2.70 ± 0.19 |
| RH08 |
74.0 ± 4.2 |
350.9 ± 0.6 |
2.70 ± 0.19 |
| RH09 |
82.9 ± 4.0 |
205.1 ± 0.5 |
2.70 ± 0.19 |
| RH10 |
84.1 ± 4.0 |
215.3 ± 2.6 |
2.70 ± 0.19 |
| Average |
73.8 |
300.9 |
2.70 |
| Median |
74.0 |
350.7 |
2.70 |
| Deviation |
8.0 |
68.5 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
55.6 ± 1.1 |
6.7 ± 0.2 |
8.2 ± 0.3 |
24.5 ± 0.5 |
8.30 ± 0.28 |
2.27 ± 0.07 |
| VC |
76.9 ± 1.6 |
4.1 ± 0.1 |
5.2 ± 0.2 |
25.1 ± 0.5 |
18.57 ± 0.79 |
3.07 ± 0.12 |
| MX1 |
76.9 ± 1.6 |
3.4 ± 0.1 |
4.2 ± 0.1 |
25.2 ± 0.5 |
22.63 ± 0.98 |
3.05 ± 0.12 |
| MX2 |
76.9 ± 1.6 |
3.5 ± 0.1 |
4.3 ± 0.2 |
25.2 ± 0.5 |
22.11 ± 0.95 |
3.05 ± 0.12 |
| MX3 |
76.8 ± 1.6 |
3.5 ± 0.1 |
4.4 ± 0.2 |
25.2 ± 0.5 |
21.79 ± 0.94 |
3.05 ± 0.12 |
| RH8 |
76.9 ± 1.6 |
3.4 ± 0.1 |
4.3 ± 0.1 |
25.2 ± 0.5 |
22.51 ± 0.97 |
3.05 ± 0.12 |
| RH9 |
44.2 ± 1.6 |
1.5 ± 0.0 |
1.9 ± 0.1 |
25.4 ± 0.5 |
29.07 ± 1.73 |
1.74 ± 0.10 |
| RH10 |
46.4 ± 1.6 |
1.3 ± 0.0 |
1.6 ± 0.1 |
25.4 ± 0.5 |
36.51 ± 2.12 |
1.83 ± 0.10 |
| Average |
66.3 |
3.4 |
4.3 |
25.1 |
22.7 |
2.6 |
| Median |
76.9 |
3.5 |
4.3 |
25.2 |
22.5 |
3.1 |
| Deviation |
14.9 |
1.7 |
2.0 |
0.3 |
8.1 |
0.6 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
22.1 ± 2.1 |
9.9 ± 0.4 |
11.9 ± 0.9 |
37.0 ± 1.6 |
2.22 ± 0.15 |
0.60 ± 0.04 |
| VC |
29.0 ± 1.3 |
6.1 ± 0.2 |
7.5 ± 0.5 |
37.8 ± 1.6 |
4.72 ± 0.18 |
0.77 ± 0.05 |
| MX1 |
29.1 ± 1.3 |
5.0 ± 0.2 |
6.2 ± 0.5 |
38.0 ± 1.6 |
5.77 ± 0.23 |
0.77 ± 0.05 |
| MX2 |
29.0 ± 1.3 |
5.2 ± 0.2 |
6.4 ± 0.5 |
37.9 ± 1.6 |
5.63 ± 0.22 |
0.77 ± 0.05 |
| MX3 |
29.0 ± 1.3 |
5.2 ± 0.2 |
6.4 ± 0.5 |
37.9 ± 1.6 |
5.55 ± 0.21 |
0.77 ± 0.05 |
| RH8 |
29.1 ± 1.3 |
5.1 ± 0.2 |
6.2 ± 0.5 |
38.0 ± 1.6 |
5.74 ± 0.23 |
0.77 ± 0.05 |
| RH9 |
17.0 ± 2.0 |
2.3 ± 0.1 |
2.8 ± 0.2 |
38.2 ± 1.6 |
7.57 ± 1.10 |
0.45 ± 0.07 |
| RH10 |
17.7 ± 2.0 |
1.9 ± 0.1 |
2.3 ± 0.2 |
38.2 ± 1.6 |
9.43 ± 1.30 |
0.47 ± 0.07 |
| Average |
25.2 |
5.1 |
6.2 |
37.9 |
5.8 |
0.7 |
| Median |
29.0 |
5.2 |
6.4 |
38.0 |
5.7 |
0.8 |
| Deviation |
5.4 |
2.5 |
3.0 |
0.4 |
2.1 |
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 13:41:30 2022
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
