Database: Wind Shock Analysis
Event ID: 20221570944
Observation time: 06/06/2022 157.40595 0944 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
2022 |
Fractional day of year |
157.405955 |
Arrival time of shock [seconds of day] |
35074.5 ± 40.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
223.324 |
Y GSE location of spacecraft [Re] |
104.680 |
Z GSE location of spacecraft [Re] |
1.802 |
Upstream plasma points selected for analysis |
0008 |
Upstream field points selected for analysis |
0252 |
Downstream plasma points selected for analysis |
0007
|
Downstream field points selected for analysis |
0230 |
Minimum chisq/dof for RH8,RH9,RH10 |
5.61, 15.26, 16.25 |
Event added to database
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Fri Aug 12 08:08:19 2022
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Event last processed
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Fri Aug 12 08:34:09 2022
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Method selected
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RH08
|
Propagation delay to Earth [minutes]
|
56.316 ± 0.432
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-276.0 ± 0.9 |
-316.6 ± 0.8 |
Vy GSE [km/s] |
5.3 ± 0.3 |
24.3 ± 2.7 |
Vz GSE [km/s] |
-6.6 ± 0.5 |
-5.2 ± 1.5 |
Wi [km/s] |
18.5 ± 0.5 |
29.3 ± 4.7 |
We [km/s] |
583.8 ± 14.3 |
925.0 ± 148.7 |
Ni [n/cc] |
19.0 ± 0.8 |
43.3 ± 1.9 |
Bx GSE [nT] |
-0.1 ± 0.2 |
-0.0 ± 0.5 |
By GSE [nT] |
1.2 ± 0.3 |
0.8 ± 1.2 |
Bz GSE [nT] |
-3.3 ± 0.2 |
-8.2 ± 0.3 |
Plasma Beta
|
1.107 ± 1.137
|
1.152 ± 1.034
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Sound Speed [km/s]
|
23.83 ± 0.58
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37.76 ± 6.07
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Alfven Speed [km/s]
|
17.61 ± 0.82
|
27.71 ± 1.74
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.796 ± 0.645 |
0.600 ± 0.856 |
-0.080 ± 0.080 |
-4.61 ± 12.22 |
143.02 ± 61.58 |
VC |
-0.905 ± 0.022 |
0.424 ± 0.048 |
0.030 ± 0.030 |
1.71 ± 1.78 |
154.93 ± 3.03 |
MX1 |
-0.893 ± 0.020 |
0.447 ± 0.040 |
-0.047 ± 0.047 |
-2.72 ± 6.04 |
153.41 ± 2.56 |
MX2 |
-0.904 ± 0.021 |
0.426 ± 0.044 |
-0.041 ± 0.041 |
-2.34 ± 5.62 |
154.75 ± 2.79 |
MX3 |
-0.909 ± 0.024 |
0.415 ± 0.053 |
-0.038 ± 0.038 |
-2.16 ± 5.45 |
155.46 ± 3.34 |
RH08 |
-0.942 ± 0.003 |
0.335 ± 0.009 |
0.017 ± 0.017 |
0.96 ± 0.71 |
160.45 ± 0.54 |
RH09 |
-0.963 ± 0.018 |
0.268 ± 0.066 |
0.006 ± 0.006 |
0.32 ± 4.05 |
164.46 ± 3.94 |
RH10 |
-0.963 ± 0.018 |
0.268 ± 0.066 |
0.006 ± 0.006 |
0.32 ± 4.05 |
164.46 ± 3.94 |
Average |
-0.910 |
0.398 |
-0.019 |
-1.064 |
156.366 |
Median |
-0.905 |
0.424 |
0.006 |
0.320 |
155.460 |
Deviation |
0.053 |
0.109 |
0.038 |
2.197 |
6.969 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
72.9 ± 4.6 |
300.9 ± 0.7 |
2.30 ± 0.18 |
VC |
82.3 ± 4.4 |
331.2 ± 0.7 |
2.30 ± 0.18 |
MX1 |
77.7 ± 4.4 |
328.4 ± 0.7 |
2.30 ± 0.18 |
MX2 |
78.4 ± 4.3 |
331.1 ± 0.7 |
2.30 ± 0.18 |
MX3 |
78.8 ± 4.3 |
332.5 ± 0.7 |
2.30 ± 0.18 |
RH08 |
83.3 ± 4.2 |
340.6 ± 0.7 |
2.30 ± 0.18 |
RH09 |
83.9 ± 4.1 |
345.5 ± 0.6 |
2.30 ± 0.18 |
RH10 |
83.9 ± 4.1 |
345.5 ± 4.8 |
2.30 ± 0.18 |
Average |
80.2 |
332.0 |
2.30 |
Median |
82.3 |
332.5 |
2.30 |
Deviation |
3.9 |
14.2 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
77.5 ± 0.6 |
4.2 ± 0.1 |
5.2 ± 0.2 |
29.3 ± 0.5 |
18.49 ± 0.63 |
2.64 ± 0.06 |
VC |
79.3 ± 0.8 |
1.9 ± 0.1 |
2.4 ± 0.1 |
29.6 ± 0.6 |
41.93 ± 1.50 |
2.68 ± 0.07 |
MX1 |
79.2 ± 0.8 |
3.0 ± 0.1 |
3.8 ± 0.2 |
29.5 ± 0.5 |
26.07 ± 0.92 |
2.69 ± 0.07 |
MX2 |
79.2 ± 0.8 |
2.9 ± 0.1 |
3.5 ± 0.2 |
29.5 ± 0.6 |
27.78 ± 0.99 |
2.69 ± 0.07 |
MX3 |
79.2 ± 0.8 |
2.8 ± 0.1 |
3.4 ± 0.2 |
29.5 ± 0.6 |
28.73 ± 1.03 |
2.68 ± 0.07 |
RH8 |
78.9 ± 0.8 |
1.7 ± 0.0 |
2.1 ± 0.1 |
29.6 ± 0.6 |
47.66 ± 1.74 |
2.67 ± 0.07 |
RH9 |
78.2 ± 0.9 |
1.5 ± 0.0 |
1.9 ± 0.1 |
29.6 ± 0.6 |
52.30 ± 1.93 |
2.64 ± 0.07 |
RH10 |
78.2 ± 0.9 |
1.5 ± 0.0 |
1.9 ± 0.1 |
29.6 ± 0.6 |
52.30 ± 1.93 |
2.64 ± 0.07 |
Average |
78.7 |
2.4 |
3.0 |
29.5 |
36.9 |
2.7 |
Median |
79.2 |
2.8 |
3.4 |
29.6 |
41.9 |
2.7 |
Deviation |
0.7 |
1.0 |
1.2 |
0.1 |
13.2 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
33.8 ± 1.7 |
6.6 ± 0.4 |
8.1 ± 0.5 |
46.5 ± 5.1 |
5.16 ± 0.38 |
0.73 ± 0.07 |
VC |
34.4 ± 1.4 |
3.0 ± 0.2 |
3.7 ± 0.2 |
46.9 ± 5.1 |
11.62 ± 0.81 |
0.74 ± 0.07 |
MX1 |
34.4 ± 1.4 |
4.8 ± 0.3 |
5.9 ± 0.4 |
46.7 ± 5.1 |
7.24 ± 0.50 |
0.74 ± 0.07 |
MX2 |
34.4 ± 1.4 |
4.5 ± 0.2 |
5.6 ± 0.3 |
46.7 ± 5.1 |
7.72 ± 0.53 |
0.74 ± 0.07 |
MX3 |
34.4 ± 1.3 |
4.3 ± 0.2 |
5.4 ± 0.3 |
46.8 ± 5.1 |
7.97 ± 0.54 |
0.74 ± 0.07 |
RH8 |
34.2 ± 1.2 |
2.6 ± 0.1 |
3.2 ± 0.2 |
46.9 ± 5.1 |
13.22 ± 0.90 |
0.74 ± 0.07 |
RH9 |
34.0 ± 1.1 |
2.3 ± 0.1 |
2.9 ± 0.2 |
46.9 ± 5.1 |
14.51 ± 0.97 |
0.73 ± 0.07 |
RH10 |
34.0 ± 1.1 |
2.3 ± 0.1 |
2.9 ± 0.2 |
46.9 ± 5.1 |
14.51 ± 0.97 |
0.73 ± 0.07 |
Average |
34.2 |
3.8 |
4.7 |
46.8 |
10.2 |
0.7 |
Median |
34.4 |
4.3 |
5.4 |
46.9 |
11.6 |
0.7 |
Deviation |
0.2 |
1.5 |
1.8 |
0.1 |
3.7 |
0.0 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00796.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00796.png)
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Velocity
![V](wi_selv_00796.png)
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Magnetic Field
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Simple
Methods
(About, Top)
Rankine Chi^2
Contour (About, Top)
Shock
Speed (About, Top)
![Shock Speed](wi_shockspeed_00796.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00796.png)
Mach Numbers (About, Top)
Page updated Fri Aug 12 08:39:02 2022
Michael L Stevens
(mstevens@cfa.harvard.edu)
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