Database: Wind Shock Analysis
Event ID: 20232481430
Observation time: 09/05/2023 248.60436 1430 [UT]
|
|
General
Information (About, Top)
| Year |
2023 |
| Fractional day of year |
248.604358 |
| Arrival time of shock [seconds of day] |
52216.5 ± 20.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
214.870 |
| Y GSE location of spacecraft [Re] |
-101.356 |
| Z GSE location of spacecraft [Re] |
-0.649 |
| Upstream plasma points selected for analysis |
0006 |
| Upstream field points selected for analysis |
0175 |
| Downstream plasma points selected for analysis |
0005
|
| Downstream field points selected for analysis |
0185 |
| Minimum chisq/dof for RH8,RH9,RH10 |
3.39, 37.22, 40.08 |
Event added to database
|
Wed Oct 11 16:52:10 2023
|
Event last processed
|
Thu Oct 12 10:36:11 2023
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
49.880 ± 1.563
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-365.5 ± 2.3 |
-420.6 ± 2.0 |
| Vy GSE [km/s] |
8.9 ± 0.9 |
23.5 ± 2.6 |
| Vz GSE [km/s] |
25.4 ± 1.0 |
38.7 ± 1.8 |
| Wi [km/s] |
28.6 ± 0.4 |
37.2 ± 1.0 |
| We [km/s] |
904.9 ± 13.2 |
1177.8 ± 30.7 |
| Ni [n/cc] |
4.4 ± 0.1 |
8.7 ± 0.3 |
| Bx GSE [nT] |
-2.5 ± 0.2 |
-3.6 ± 0.3 |
| By GSE [nT] |
-4.1 ± 0.2 |
-7.9 ± 0.5 |
| Bz GSE [nT] |
-1.9 ± 0.1 |
-3.8 ± 0.7 |
Plasma Beta
|
0.284 ± 0.294
|
0.282 ± 0.278
|
Sound Speed [km/s]
|
36.94 ± 0.54
|
48.08 ± 1.25
|
Alfven Speed [km/s]
|
53.81 ± 2.57
|
70.19 ± 1.56
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.983 ± 0.091 |
0.050 ± 0.281 |
0.179 ± 0.177 |
10.34 ± 28.81 |
177.09 ± 16.39 |
| VC |
-0.941 ± 0.013 |
0.248 ± 0.034 |
0.229 ± 0.225 |
13.23 ± 2.27 |
165.26 ± 2.09 |
| MX1 |
-0.968 ± 0.015 |
0.167 ± 0.075 |
0.188 ± 0.186 |
10.85 ± 2.28 |
170.21 ± 4.45 |
| MX2 |
-0.968 ± 0.014 |
0.169 ± 0.071 |
0.187 ± 0.185 |
10.76 ± 2.15 |
170.08 ± 4.23 |
| MX3 |
-0.968 ± 0.014 |
0.172 ± 0.067 |
0.185 ± 0.182 |
10.64 ± 2.09 |
169.91 ± 3.96 |
| RH08 |
-0.974 ± 0.003 |
0.146 ± 0.013 |
0.173 ± 0.171 |
9.97 ± 0.65 |
171.48 ± 0.78 |
| RH09 |
-0.998 ± 0.004 |
-0.009 ± 0.069 |
0.061 ± 0.061 |
3.52 ± 4.03 |
180.50 ± 3.95 |
| RH10 |
-0.998 ± 0.004 |
-0.009 ± 0.069 |
0.061 ± 0.061 |
3.52 ± 4.03 |
180.50 ± 3.95 |
| Average |
-0.975 |
0.117 |
0.158 |
9.105 |
173.128 |
| Median |
-0.968 |
0.167 |
0.185 |
10.636 |
171.476 |
| Deviation |
0.019 |
0.094 |
0.062 |
3.581 |
5.571 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
68.5 ± 1.8 |
481.1 ± 0.6 |
1.96 ± 0.07 |
| VC |
80.2 ± 1.8 |
471.7 ± 0.6 |
1.96 ± 0.07 |
| MX1 |
74.8 ± 1.8 |
479.1 ± 0.6 |
1.96 ± 0.07 |
| MX2 |
74.9 ± 1.9 |
479.0 ± 0.6 |
1.96 ± 0.07 |
| MX3 |
75.0 ± 1.9 |
479.0 ± 0.6 |
1.96 ± 0.07 |
| RH08 |
73.3 ± 1.9 |
480.4 ± 0.6 |
1.96 ± 0.07 |
| RH09 |
62.4 ± 1.9 |
480.3 ± 0.6 |
1.96 ± 0.07 |
| RH10 |
62.4 ± 1.9 |
480.3 ± 3.3 |
1.96 ± 0.07 |
| Average |
71.4 |
478.9 |
1.96 |
| Median |
74.8 |
480.3 |
1.96 |
| Deviation |
6.4 |
3.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
117.0 ± 2.2 |
11.3 ± 0.2 |
19.7 ± 0.9 |
64.3 ± 2.3 |
10.35 ± 0.23 |
1.82 ± 0.05 |
| VC |
119.7 ± 2.3 |
5.2 ± 0.1 |
9.2 ± 0.4 |
65.1 ± 2.3 |
22.99 ± 0.51 |
1.84 ± 0.05 |
| MX1 |
119.1 ± 2.3 |
8.0 ± 0.2 |
14.1 ± 0.7 |
64.8 ± 2.3 |
14.80 ± 0.33 |
1.84 ± 0.05 |
| MX2 |
119.1 ± 2.3 |
8.0 ± 0.2 |
14.0 ± 0.7 |
64.8 ± 2.3 |
14.88 ± 0.33 |
1.84 ± 0.05 |
| MX3 |
119.1 ± 2.3 |
8.0 ± 0.2 |
14.0 ± 0.7 |
64.8 ± 2.3 |
14.97 ± 0.33 |
1.84 ± 0.05 |
| RH8 |
118.8 ± 2.3 |
8.8 ± 0.2 |
15.5 ± 0.7 |
64.7 ± 2.3 |
13.45 ± 0.30 |
1.84 ± 0.05 |
| RH9 |
114.1 ± 2.3 |
14.5 ± 0.3 |
24.9 ± 1.2 |
63.7 ± 2.3 |
7.89 ± 0.18 |
1.79 ± 0.05 |
| RH10 |
114.1 ± 2.3 |
14.5 ± 0.3 |
24.9 ± 1.2 |
63.7 ± 2.3 |
7.89 ± 0.18 |
1.79 ± 0.05 |
| Average |
117.6 |
9.8 |
17.0 |
64.5 |
13.4 |
1.8 |
| Median |
119.1 |
8.8 |
15.5 |
64.8 |
14.8 |
1.8 |
| Deviation |
2.3 |
3.3 |
5.6 |
0.5 |
4.9 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
59.8 ± 1.9 |
14.7 ± 0.2 |
25.7 ± 0.6 |
83.8 ± 1.0 |
4.06 ± 0.18 |
0.71 ± 0.03 |
| VC |
61.1 ± 2.1 |
6.8 ± 0.1 |
12.0 ± 0.3 |
84.8 ± 1.0 |
9.02 ± 0.41 |
0.72 ± 0.03 |
| MX1 |
60.8 ± 2.1 |
10.5 ± 0.2 |
18.4 ± 0.4 |
84.4 ± 1.0 |
5.80 ± 0.26 |
0.72 ± 0.03 |
| MX2 |
60.8 ± 2.1 |
10.4 ± 0.2 |
18.3 ± 0.4 |
84.5 ± 1.0 |
5.83 ± 0.26 |
0.72 ± 0.03 |
| MX3 |
60.8 ± 2.1 |
10.4 ± 0.2 |
18.2 ± 0.4 |
84.5 ± 1.0 |
5.87 ± 0.27 |
0.72 ± 0.03 |
| RH8 |
60.7 ± 2.0 |
11.5 ± 0.2 |
20.2 ± 0.4 |
84.3 ± 1.0 |
5.27 ± 0.24 |
0.72 ± 0.03 |
| RH9 |
58.3 ± 1.9 |
18.8 ± 0.3 |
32.5 ± 0.7 |
83.0 ± 1.0 |
3.10 ± 0.14 |
0.70 ± 0.03 |
| RH10 |
58.3 ± 1.9 |
18.8 ± 0.3 |
32.5 ± 0.7 |
83.0 ± 1.0 |
3.10 ± 0.14 |
0.70 ± 0.03 |
| Average |
60.1 |
12.7 |
22.2 |
84.0 |
5.3 |
0.7 |
| Median |
60.8 |
11.5 |
20.2 |
84.4 |
5.8 |
0.7 |
| Deviation |
1.1 |
4.3 |
7.4 |
0.7 |
1.9 |
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 Thu Oct 12 13:23:37 2023
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
