Database: Wind Shock Analysis
Event ID: 20240851004
Observation time: 03/25/2024 85.42005 1004 [UT]
|
|
General
Information (About, Top)
| Year |
2024 |
| Fractional day of year |
85.420052 |
| Arrival time of shock [seconds of day] |
36292.5 ± 40.0 |
| Shock type |
FR |
| Electron data availability |
0 |
| X GSE location of spacecraft [Re] |
196.888 |
| Y GSE location of spacecraft [Re] |
-36.985 |
| Z GSE location of spacecraft [Re] |
-9.752 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0153 |
| Downstream plasma points selected for analysis |
0006
|
| Downstream field points selected for analysis |
0181 |
| Minimum chisq/dof for RH8,RH9,RH10 |
7.83, 11.11, 11.68 |
Event added to database
|
Wed Aug 28 16:37:18 2024
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Event last processed
|
Wed Aug 28 21:16:09 2024
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
28.706 ± 0.840
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-756.3 ± 4.0 |
-792.4 ± 2.1 |
| Vy GSE [km/s] |
13.6 ± 7.5 |
4.2 ± 1.8 |
| Vz GSE [km/s] |
-32.3 ± 4.5 |
-19.1 ± 1.5 |
| Wi [km/s] |
35.0 ± 3.7 |
28.0 ± 0.4 |
| We [km/s] |
1106.9 ± 118.2 |
884.5 ± 13.1 |
| Ni [n/cc] |
15.7 ± 1.2 |
8.5 ± 0.6 |
| Bx GSE [nT] |
4.2 ± 0.7 |
2.4 ± 0.7 |
| By GSE [nT] |
-6.1 ± 0.8 |
-3.4 ± 0.2 |
| Bz GSE [nT] |
7.5 ± 0.8 |
4.2 ± 0.3 |
Plasma Beta
|
0.360 ± 0.384
|
0.391 ± 0.408
|
Sound Speed [km/s]
|
45.19 ± 4.82
|
36.11 ± 0.53
|
Alfven Speed [km/s]
|
58.56 ± 1.87
|
44.81 ± 1.81
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.966 ± 0.144 |
-0.097 ± 0.745 |
0.239 ± 0.234 |
13.84 ± 29.58 |
185.73 ± 44.18 |
| VC |
-0.913 ± 0.056 |
-0.238 ± 0.166 |
0.331 ± 0.318 |
19.32 ± 6.37 |
194.58 ± 10.39 |
| MX1 |
-0.931 ± 0.071 |
-0.214 ± 0.184 |
0.296 ± 0.287 |
17.20 ± 11.29 |
192.98 ± 11.28 |
| MX2 |
-0.931 ± 0.071 |
-0.215 ± 0.188 |
0.295 ± 0.286 |
17.17 ± 11.26 |
192.98 ± 11.53 |
| MX3 |
-0.931 ± 0.070 |
-0.214 ± 0.180 |
0.296 ± 0.287 |
17.23 ± 11.33 |
192.95 ± 11.06 |
| RH08 |
-0.969 ± 0.007 |
-0.163 ± 0.026 |
0.184 ± 0.182 |
10.62 ± 1.55 |
189.53 ± 1.52 |
| RH09 |
-0.976 ± 0.015 |
-0.129 ± 0.070 |
0.173 ± 0.171 |
9.97 ± 4.03 |
187.52 ± 4.10 |
| RH10 |
-0.976 ± 0.015 |
-0.129 ± 0.070 |
0.173 ± 0.171 |
9.97 ± 4.03 |
187.52 ± 4.10 |
| Average |
-0.949 |
-0.175 |
0.248 |
14.416 |
190.474 |
| Median |
-0.931 |
-0.163 |
0.295 |
17.172 |
192.949 |
| Deviation |
0.025 |
0.052 |
0.064 |
3.808 |
3.304 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
80.8 ± 4.1 |
675.8 ± 2.1 |
0.54 ± 0.07 |
| VC |
89.7 ± 4.0 |
631.8 ± 2.2 |
0.54 ± 0.07 |
| MX1 |
87.8 ± 4.0 |
646.7 ± 2.2 |
0.54 ± 0.07 |
| MX2 |
87.7 ± 4.0 |
646.7 ± 2.2 |
0.54 ± 0.07 |
| MX3 |
87.8 ± 4.0 |
646.6 ± 2.2 |
0.54 ± 0.07 |
| RH08 |
80.6 ± 4.0 |
680.4 ± 2.2 |
0.54 ± 0.07 |
| RH09 |
78.8 ± 4.0 |
686.3 ± 2.2 |
0.54 ± 0.07 |
| RH10 |
78.8 ± 4.0 |
686.3 ± 11.8 |
0.54 ± 0.07 |
| Average |
84.0 |
662.6 |
0.54 |
| Median |
87.7 |
675.8 |
0.54 |
| Deviation |
4.6 |
21.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-45.8 ± 3.9 |
5.7 ± 0.4 |
9.4 ± 0.3 |
73.8 ± 3.5 |
-7.98 ± 0.51 |
-0.62 ± 0.04 |
| VC |
-45.0 ± 3.4 |
0.2 ± 0.0 |
0.4 ± 0.0 |
74.0 ± 3.5 |
-207.54 ± 14.16 |
-0.61 ± 0.04 |
| MX1 |
-44.9 ± 3.5 |
1.4 ± 0.1 |
2.3 ± 0.1 |
74.0 ± 3.5 |
-32.17 ± 2.22 |
-0.61 ± 0.04 |
| MX2 |
-44.9 ± 3.5 |
1.4 ± 0.1 |
2.3 ± 0.1 |
74.0 ± 3.5 |
-32.00 ± 2.21 |
-0.61 ± 0.04 |
| MX3 |
-44.9 ± 3.5 |
1.4 ± 0.1 |
2.3 ± 0.1 |
74.0 ± 3.5 |
-32.31 ± 2.23 |
-0.61 ± 0.04 |
| RH8 |
-44.5 ± 3.7 |
5.8 ± 0.4 |
9.6 ± 0.3 |
73.8 ± 3.5 |
-7.63 ± 0.56 |
-0.60 ± 0.05 |
| RH9 |
-44.8 ± 3.8 |
6.9 ± 0.5 |
11.3 ± 0.4 |
73.7 ± 3.5 |
-6.48 ± 0.46 |
-0.61 ± 0.04 |
| RH10 |
-44.8 ± 3.8 |
6.9 ± 0.5 |
11.3 ± 0.4 |
73.7 ± 3.5 |
-6.48 ± 0.46 |
-0.61 ± 0.04 |
| Average |
-45.0 |
3.7 |
6.1 |
73.9 |
-41.6 |
-0.6 |
| Median |
-44.9 |
5.7 |
9.4 |
74.0 |
-8.0 |
-0.6 |
| Deviation |
0.4 |
2.9 |
4.7 |
0.1 |
68.2 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-84.7 ± 2.2 |
4.5 ± 0.1 |
7.2 ± 0.3 |
57.4 ± 1.5 |
-18.71 ± 0.64 |
-1.48 ± 0.05 |
| VC |
-84.5 ± 2.3 |
0.2 ± 0.0 |
0.3 ± 0.0 |
57.6 ± 1.5 |
-494.12 ± 17.91 |
-1.47 ± 0.06 |
| MX1 |
-84.4 ± 2.3 |
1.1 ± 0.0 |
1.8 ± 0.1 |
57.5 ± 1.5 |
-76.61 ± 2.74 |
-1.47 ± 0.06 |
| MX2 |
-84.4 ± 2.3 |
1.1 ± 0.0 |
1.8 ± 0.1 |
57.5 ± 1.5 |
-76.20 ± 2.73 |
-1.47 ± 0.06 |
| MX3 |
-84.4 ± 2.3 |
1.1 ± 0.0 |
1.8 ± 0.1 |
57.5 ± 1.5 |
-76.93 ± 2.75 |
-1.47 ± 0.06 |
| RH8 |
-83.4 ± 2.2 |
4.6 ± 0.1 |
7.3 ± 0.3 |
57.4 ± 1.5 |
-18.12 ± 0.63 |
-1.45 ± 0.05 |
| RH9 |
-83.5 ± 2.2 |
5.5 ± 0.1 |
8.7 ± 0.3 |
57.3 ± 1.5 |
-15.30 ± 0.52 |
-1.46 ± 0.05 |
| RH10 |
-83.5 ± 2.2 |
5.5 ± 0.1 |
8.7 ± 0.3 |
57.3 ± 1.5 |
-15.30 ± 0.52 |
-1.46 ± 0.05 |
| Average |
-84.1 |
2.9 |
4.7 |
57.4 |
-98.9 |
-1.5 |
| Median |
-84.4 |
4.5 |
7.2 |
57.5 |
-18.7 |
-1.5 |
| Deviation |
0.5 |
2.3 |
3.6 |
0.1 |
162.4 |
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 Wed Aug 28 21:48:57 2024
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
