Database: Wind Shock Analysis
Event ID: 20220980359
Observation time: 04/08/2022 98.16661 0359 [UT]
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General
Information (About, Top)
Year |
2022 |
Fractional day of year |
98.166615 |
Arrival time of shock [seconds of day] |
14395.5 ± 40.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
199.966 |
Y GSE location of spacecraft [Re] |
-56.110 |
Z GSE location of spacecraft [Re] |
-8.462 |
Upstream plasma points selected for analysis |
0004 |
Upstream field points selected for analysis |
0121 |
Downstream plasma points selected for analysis |
0006
|
Downstream field points selected for analysis |
0194 |
Minimum chisq/dof for RH8,RH9,RH10 |
9.91, 18.22, 19.74 |
Event added to database
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Fri Aug 12 07:59:25 2022
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Event last processed
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Fri Aug 12 08:31:55 2022
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Method selected
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RH08
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Propagation delay to Earth [minutes]
|
43.958 ± 4.926
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-364.4 ± 0.4 |
-381.9 ± 0.5 |
Vy GSE [km/s] |
-17.4 ± 1.0 |
-22.3 ± 0.9 |
Vz GSE [km/s] |
-8.5 ± 0.2 |
-22.0 ± 1.3 |
Wi [km/s] |
12.8 ± 0.5 |
15.1 ± 0.4 |
We [km/s] |
404.3 ± 15.9 |
478.3 ± 11.8 |
Ni [n/cc] |
9.0 ± 0.3 |
14.5 ± 0.4 |
Bx GSE [nT] |
-2.7 ± 0.1 |
-3.4 ± 0.2 |
By GSE [nT] |
-3.1 ± 0.1 |
-4.9 ± 0.1 |
Bz GSE [nT] |
3.4 ± 0.1 |
6.3 ± 0.3 |
Plasma Beta
|
0.109 ± 0.115
|
0.094 ± 0.090
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Sound Speed [km/s]
|
16.51 ± 0.65
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19.53 ± 0.48
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Alfven Speed [km/s]
|
38.74 ± 0.43
|
49.49 ± 1.85
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.872 ± 0.086 |
-0.309 ± 0.206 |
-0.379 ± 0.360 |
-22.26 ± 7.50 |
199.53 ± 13.48 |
VC |
-0.775 ± 0.025 |
-0.215 ± 0.049 |
-0.595 ± 0.512 |
-36.49 ± 2.11 |
195.48 ± 3.58 |
MX1 |
-0.843 ± 0.021 |
-0.331 ± 0.049 |
-0.423 ± 0.396 |
-25.02 ± 1.37 |
201.44 ± 3.32 |
MX2 |
-0.843 ± 0.021 |
-0.332 ± 0.047 |
-0.424 ± 0.396 |
-25.08 ± 1.41 |
201.49 ± 3.21 |
MX3 |
-0.841 ± 0.021 |
-0.333 ± 0.046 |
-0.426 ± 0.398 |
-25.18 ± 1.55 |
201.61 ± 3.13 |
RH08 |
-0.914 ± 0.006 |
-0.203 ± 0.021 |
-0.352 ± 0.337 |
-20.61 ± 0.75 |
192.53 ± 1.30 |
RH09 |
-0.889 ± 0.030 |
-0.247 ± 0.069 |
-0.385 ± 0.365 |
-22.67 ± 3.50 |
195.54 ± 4.42 |
RH10 |
-0.898 ± 0.030 |
-0.233 ± 0.069 |
-0.374 ± 0.356 |
-21.98 ± 3.75 |
194.54 ± 4.39 |
Average |
-0.859 |
-0.275 |
-0.420 |
-24.912 |
197.771 |
Median |
-0.843 |
-0.247 |
-0.385 |
-22.673 |
199.529 |
Deviation |
0.044 |
0.056 |
0.076 |
4.976 |
3.649 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
68.0 ± 0.8 |
384.0 ± 0.9 |
1.62 ± 0.10 |
VC |
82.4 ± 0.9 |
350.3 ± 1.0 |
1.62 ± 0.10 |
MX1 |
69.9 ± 0.9 |
374.6 ± 1.0 |
1.62 ± 0.10 |
MX2 |
69.9 ± 0.9 |
374.3 ± 1.0 |
1.62 ± 0.10 |
MX3 |
70.0 ± 0.9 |
373.9 ± 1.0 |
1.62 ± 0.10 |
RH08 |
69.5 ± 0.8 |
397.0 ± 0.9 |
1.62 ± 0.10 |
RH09 |
70.0 ± 0.8 |
389.5 ± 0.9 |
1.62 ± 0.10 |
RH10 |
69.8 ± 0.8 |
392.2 ± 4.4 |
1.62 ± 0.10 |
Average |
71.2 |
379.5 |
1.62 |
Median |
69.9 |
384.0 |
1.62 |
Deviation |
4.6 |
14.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
57.6 ± 0.5 |
5.7 ± 0.2 |
14.5 ± 0.2 |
41.7 ± 0.5 |
10.05 ± 0.41 |
1.38 ± 0.03 |
VC |
59.1 ± 0.4 |
2.0 ± 0.1 |
5.1 ± 0.1 |
42.1 ± 0.5 |
29.49 ± 1.17 |
1.41 ± 0.02 |
MX1 |
57.8 ± 0.5 |
5.3 ± 0.2 |
13.3 ± 0.1 |
41.8 ± 0.5 |
10.99 ± 0.45 |
1.38 ± 0.03 |
MX2 |
57.8 ± 0.5 |
5.3 ± 0.2 |
13.3 ± 0.1 |
41.8 ± 0.5 |
11.01 ± 0.46 |
1.38 ± 0.03 |
MX3 |
57.8 ± 0.5 |
5.2 ± 0.2 |
13.3 ± 0.1 |
41.8 ± 0.5 |
11.04 ± 0.46 |
1.38 ± 0.03 |
RH8 |
57.5 ± 0.4 |
5.4 ± 0.2 |
13.5 ± 0.2 |
41.8 ± 0.5 |
10.76 ± 0.43 |
1.38 ± 0.02 |
RH9 |
57.9 ± 0.4 |
5.2 ± 0.2 |
13.2 ± 0.1 |
41.8 ± 0.5 |
11.08 ± 0.45 |
1.39 ± 0.03 |
RH10 |
57.8 ± 0.4 |
5.3 ± 0.2 |
13.4 ± 0.1 |
41.8 ± 0.5 |
10.97 ± 0.44 |
1.38 ± 0.03 |
Average |
57.9 |
4.9 |
12.5 |
41.8 |
13.2 |
1.4 |
Median |
57.8 |
5.3 |
13.3 |
41.8 |
11.0 |
1.4 |
Deviation |
0.5 |
1.2 |
3.0 |
0.1 |
6.6 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
35.7 ± 1.0 |
6.8 ± 0.1 |
18.5 ± 0.7 |
52.8 ± 1.6 |
5.22 ± 0.17 |
0.68 ± 0.04 |
VC |
36.5 ± 1.2 |
2.4 ± 0.0 |
6.5 ± 0.2 |
53.2 ± 1.6 |
15.23 ± 0.53 |
0.69 ± 0.04 |
MX1 |
35.8 ± 1.1 |
6.3 ± 0.1 |
17.0 ± 0.6 |
52.8 ± 1.6 |
5.69 ± 0.19 |
0.68 ± 0.04 |
MX2 |
35.8 ± 1.1 |
6.3 ± 0.1 |
17.0 ± 0.6 |
52.8 ± 1.6 |
5.70 ± 0.19 |
0.68 ± 0.04 |
MX3 |
35.8 ± 1.1 |
6.3 ± 0.1 |
17.0 ± 0.6 |
52.8 ± 1.6 |
5.71 ± 0.20 |
0.68 ± 0.04 |
RH8 |
35.8 ± 0.9 |
6.4 ± 0.1 |
17.3 ± 0.6 |
52.8 ± 1.6 |
5.61 ± 0.17 |
0.68 ± 0.03 |
RH9 |
36.0 ± 1.0 |
6.2 ± 0.1 |
16.9 ± 0.6 |
52.8 ± 1.6 |
5.76 ± 0.18 |
0.68 ± 0.04 |
RH10 |
36.0 ± 1.0 |
6.3 ± 0.1 |
17.1 ± 0.6 |
52.8 ± 1.6 |
5.70 ± 0.18 |
0.68 ± 0.03 |
Average |
35.9 |
5.9 |
15.9 |
52.9 |
6.8 |
0.7 |
Median |
35.8 |
6.3 |
17.0 |
52.8 |
5.7 |
0.7 |
Deviation |
0.3 |
1.4 |
3.8 |
0.1 |
3.4 |
0.0 |
Survey interval (About, Top)
Selected
data (About, Top)
Key plasma parameters
|
Velocity
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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 Aug 12 08:39:29 2022
Michael L Stevens
(mstevens@cfa.harvard.edu)
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