Database: Wind Shock Analysis
Event ID: 20231260034
Observation time: 05/06/2023 126.02418 0034 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
2023 |
Fractional day of year |
126.024184 |
Arrival time of shock [seconds of day] |
2089.5 ± 60.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
203.119 |
Y GSE location of spacecraft [Re] |
73.425 |
Z GSE location of spacecraft [Re] |
-6.934 |
Upstream plasma points selected for analysis |
0003 |
Upstream field points selected for analysis |
0270 |
Downstream plasma points selected for analysis |
0008
|
Downstream field points selected for analysis |
0343 |
Minimum chisq/dof for RH8,RH9,RH10 |
2.95, 6.47, 6.98 |
Event added to database
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Wed Oct 11 16:40:16 2023
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Event last processed
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Thu Oct 12 10:32:01 2023
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Method selected
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RH08
|
Propagation delay to Earth [minutes]
|
54.115 ± 0.829
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-326.6 ± 0.3 |
-371.2 ± 6.9 |
Vy GSE [km/s] |
-20.8 ± 0.8 |
-17.1 ± 3.9 |
Vz GSE [km/s] |
-3.2 ± 0.2 |
8.9 ± 3.3 |
Wi [km/s] |
15.8 ± 0.6 |
27.6 ± 2.3 |
We [km/s] |
499.3 ± 18.9 |
872.7 ± 73.5 |
Ni [n/cc] |
6.8 ± 0.1 |
15.1 ± 1.1 |
Bx GSE [nT] |
-3.0 ± 0.2 |
-2.9 ± 1.0 |
By GSE [nT] |
-2.2 ± 0.0 |
-5.8 ± 1.1 |
Bz GSE [nT] |
-1.6 ± 0.2 |
-4.9 ± 1.2 |
Plasma Beta
|
0.218 ± 0.226
|
0.365 ± 0.401
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Sound Speed [km/s]
|
20.38 ± 0.77
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35.63 ± 3.00
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Alfven Speed [km/s]
|
33.87 ± 0.61
|
46.43 ± 4.97
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.985 ± 0.032 |
-0.131 ± 0.097 |
0.112 ± 0.111 |
6.41 ± 14.97 |
187.59 ± 5.66 |
VC |
-0.960 ± 0.028 |
0.073 ± 0.077 |
0.270 ± 0.263 |
15.66 ± 5.79 |
175.67 ± 4.62 |
MX1 |
-0.987 ± 0.026 |
-0.103 ± 0.109 |
0.121 ± 0.120 |
6.94 ± 11.25 |
185.93 ± 6.30 |
MX2 |
-0.985 ± 0.027 |
-0.106 ± 0.120 |
0.136 ± 0.135 |
7.81 ± 9.94 |
186.12 ± 6.97 |
MX3 |
-0.983 ± 0.027 |
-0.108 ± 0.128 |
0.147 ± 0.146 |
8.43 ± 9.18 |
186.27 ± 7.46 |
RH08 |
-0.983 ± 0.005 |
-0.130 ± 0.030 |
0.128 ± 0.128 |
7.38 ± 1.74 |
187.52 ± 1.72 |
RH09 |
-0.920 ± 0.027 |
-0.309 ± 0.066 |
0.240 ± 0.235 |
13.90 ± 3.99 |
198.55 ± 4.10 |
RH10 |
-0.933 ± 0.025 |
-0.295 ± 0.068 |
0.207 ± 0.204 |
11.93 ± 3.97 |
197.55 ± 4.16 |
Average |
-0.967 |
-0.139 |
0.170 |
9.808 |
188.150 |
Median |
-0.983 |
-0.108 |
0.147 |
8.433 |
187.521 |
Deviation |
0.027 |
0.120 |
0.060 |
3.525 |
7.228 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
41.3 ± 3.5 |
407.5 ± 1.4 |
2.05 ± 0.08 |
VC |
56.1 ± 3.4 |
396.7 ± 1.4 |
2.05 ± 0.08 |
MX1 |
42.8 ± 3.4 |
408.1 ± 1.4 |
2.05 ± 0.08 |
MX2 |
43.3 ± 3.5 |
407.5 ± 1.4 |
2.05 ± 0.08 |
MX3 |
43.7 ± 3.5 |
406.9 ± 1.4 |
2.05 ± 0.08 |
RH08 |
42.1 ± 3.5 |
406.9 ± 1.4 |
2.05 ± 0.08 |
RH09 |
41.4 ± 3.9 |
382.8 ± 1.1 |
2.05 ± 0.08 |
RH10 |
40.1 ± 3.9 |
387.7 ± 5.6 |
2.05 ± 0.08 |
Average |
43.8 |
400.5 |
2.05 |
Median |
42.8 |
406.9 |
2.05 |
Deviation |
5.1 |
10.2 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
83.4 ± 0.3 |
14.0 ± 0.4 |
25.4 ± 0.5 |
37.0 ± 0.6 |
5.94 ± 0.18 |
2.26 ± 0.03 |
VC |
85.5 ± 0.3 |
10.1 ± 0.3 |
18.9 ± 0.3 |
38.2 ± 0.7 |
8.49 ± 0.26 |
2.24 ± 0.03 |
MX1 |
83.9 ± 0.3 |
13.6 ± 0.4 |
24.8 ± 0.4 |
37.1 ± 0.6 |
6.15 ± 0.19 |
2.26 ± 0.03 |
MX2 |
84.0 ± 0.3 |
13.5 ± 0.4 |
24.6 ± 0.4 |
37.1 ± 0.6 |
6.22 ± 0.19 |
2.26 ± 0.03 |
MX3 |
84.0 ± 0.3 |
13.4 ± 0.4 |
24.5 ± 0.4 |
37.2 ± 0.6 |
6.26 ± 0.19 |
2.26 ± 0.03 |
RH8 |
83.5 ± 0.3 |
13.8 ± 0.4 |
25.1 ± 0.5 |
37.0 ± 0.6 |
6.04 ± 0.18 |
2.26 ± 0.03 |
RH9 |
76.6 ± 0.3 |
14.0 ± 0.4 |
25.4 ± 0.5 |
37.0 ± 0.6 |
5.47 ± 0.16 |
2.07 ± 0.03 |
RH10 |
77.5 ± 0.3 |
14.3 ± 0.5 |
25.9 ± 0.5 |
36.8 ± 0.6 |
5.41 ± 0.16 |
2.10 ± 0.03 |
Average |
82.3 |
13.4 |
24.3 |
37.2 |
6.2 |
2.2 |
Median |
83.9 |
13.8 |
25.1 |
37.1 |
6.2 |
2.3 |
Deviation |
3.3 |
1.4 |
2.2 |
0.4 |
1.0 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
38.5 ± 6.2 |
23.0 ± 1.4 |
34.9 ± 3.7 |
53.9 ± 4.4 |
1.69 ± 0.31 |
0.72 ± 0.15 |
VC |
39.1 ± 6.2 |
16.3 ± 1.0 |
25.9 ± 2.8 |
56.3 ± 4.4 |
2.40 ± 0.42 |
0.70 ± 0.14 |
MX1 |
38.8 ± 6.3 |
22.3 ± 1.4 |
34.1 ± 3.6 |
54.2 ± 4.4 |
1.74 ± 0.32 |
0.72 ± 0.15 |
MX2 |
38.8 ± 6.2 |
22.1 ± 1.4 |
33.8 ± 3.6 |
54.3 ± 4.4 |
1.76 ± 0.32 |
0.72 ± 0.15 |
MX3 |
38.8 ± 6.2 |
21.9 ± 1.4 |
33.6 ± 3.6 |
54.4 ± 4.4 |
1.77 ± 0.32 |
0.72 ± 0.15 |
RH8 |
38.6 ± 6.2 |
22.6 ± 1.4 |
34.5 ± 3.7 |
54.1 ± 4.4 |
1.71 ± 0.31 |
0.72 ± 0.15 |
RH9 |
33.7 ± 5.2 |
22.9 ± 1.4 |
34.8 ± 3.7 |
53.9 ± 4.4 |
1.48 ± 0.26 |
0.63 ± 0.13 |
RH10 |
34.5 ± 5.3 |
23.5 ± 1.5 |
35.5 ± 3.8 |
53.7 ± 4.4 |
1.48 ± 0.26 |
0.65 ± 0.13 |
Average |
37.6 |
21.8 |
33.4 |
54.4 |
1.8 |
0.7 |
Median |
38.8 |
22.6 |
34.5 |
54.2 |
1.7 |
0.7 |
Deviation |
2.2 |
2.3 |
3.1 |
0.8 |
0.3 |
0.0 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00871.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00871.png)
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Velocity
![V](wi_selv_00871.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_00871.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00871.png)
Mach Numbers (About, Top)
Page updated Thu Oct 12 13:23:40 2023
Michael L Stevens
(mstevens@cfa.harvard.edu)
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