Database: Wind Shock Analysis
Event ID: 20232821819
Observation time: 10/09/2023 282.76359 1819 [UT]
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General
Information (About, Top)
Year |
2023 |
Fractional day of year |
282.763594 |
Arrival time of shock [seconds of day] |
65974.5 ± 40.0 |
Shock type |
SF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
197.800 |
Y GSE location of spacecraft [Re] |
-11.065 |
Z GSE location of spacecraft [Re] |
-10.599 |
Upstream plasma points selected for analysis |
0005 |
Upstream field points selected for analysis |
0155 |
Downstream plasma points selected for analysis |
0007
|
Downstream field points selected for analysis |
0251 |
Minimum chisq/dof for RH8,RH9,RH10 |
1.04, 10.62, 11.12 |
Event added to database
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Wed Aug 28 15:33:34 2024
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Event last processed
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Wed Aug 28 21:08:40 2024
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Method selected
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RH08
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Propagation delay to Earth [minutes]
|
58.821 ± 8.174
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-331.7 ± 2.3 |
-346.7 ± 0.6 |
Vy GSE [km/s] |
2.0 ± 6.5 |
10.3 ± 0.9 |
Vz GSE [km/s] |
30.8 ± 4.6 |
10.8 ± 0.6 |
Wi [km/s] |
31.7 ± 0.8 |
23.4 ± 1.2 |
We [km/s] |
1002.8 ± 26.3 |
740.2 ± 37.6 |
Ni [n/cc] |
5.5 ± 1.0 |
13.5 ± 0.2 |
Bx GSE [nT] |
-3.0 ± 1.0 |
1.0 ± 0.1 |
By GSE [nT] |
1.6 ± 0.4 |
0.9 ± 0.5 |
Bz GSE [nT] |
-4.5 ± 1.7 |
2.6 ± 0.1 |
Plasma Beta
|
0.665 ± 0.257
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1.798 ± 1.773
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Sound Speed [km/s]
|
40.94 ± 1.07
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30.22 ± 1.54
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Alfven Speed [km/s]
|
54.38 ± 18.37
|
17.51 ± 0.72
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.270 ± 0.111 |
0.930 ± 0.040 |
0.249 ± 0.244 |
14.42 ± 5.63 |
106.19 ± 6.85 |
VC |
-0.598 ± 0.154 |
0.298 ± 0.173 |
-0.744 ± 0.561 |
-48.10 ± 11.35 |
153.49 ± 15.37 |
MX1 |
-0.728 ± 0.565 |
0.614 ± 0.670 |
0.304 ± 0.295 |
17.72 ± 5.34 |
139.86 ± 52.72 |
MX2 |
-0.323 ± 0.218 |
0.907 ± 0.082 |
0.270 ± 0.263 |
15.67 ± 5.74 |
109.61 ± 13.76 |
MX3 |
-0.666 ± 0.419 |
0.659 ± 0.424 |
0.349 ± 0.335 |
20.46 ± 5.96 |
135.33 ± 36.41 |
RH08 |
-0.866 ± 0.009 |
-0.114 ± 0.048 |
0.486 ± 0.444 |
29.08 ± 0.77 |
187.52 ± 3.17 |
RH09 |
-0.859 ± 0.036 |
-0.191 ± 0.068 |
0.475 ± 0.435 |
28.35 ± 4.06 |
192.53 ± 4.51 |
RH10 |
-0.859 ± 0.036 |
-0.191 ± 0.068 |
0.475 ± 0.435 |
28.35 ± 4.06 |
192.53 ± 4.51 |
Average |
-0.646 |
0.364 |
0.233 |
13.242 |
152.132 |
Median |
-0.666 |
0.614 |
0.349 |
20.456 |
153.485 |
Deviation |
0.237 |
0.480 |
0.406 |
25.494 |
35.600 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
74.7 ± 13.6 |
109.1 ± 0.7 |
2.48 ± 0.34 |
VC |
10.5 ± 9.1 |
218.2 ± 1.1 |
2.48 ± 0.34 |
MX1 |
69.2 ± 9.2 |
267.8 ± 0.5 |
2.48 ± 0.34 |
MX2 |
74.4 ± 13.4 |
127.7 ± 0.7 |
2.48 ± 0.34 |
MX3 |
72.3 ± 10.0 |
246.6 ± 0.6 |
2.48 ± 0.34 |
RH08 |
87.2 ± 1.1 |
306.4 ± 0.4 |
2.48 ± 0.34 |
RH09 |
88.4 ± 1.2 |
302.9 ± 0.4 |
2.48 ± 0.34 |
RH10 |
88.4 ± 1.2 |
302.9 ± 2.4 |
2.48 ± 0.34 |
Average |
70.6 |
235.2 |
2.48 |
Median |
74.7 |
267.8 |
2.48 |
Deviation |
25.5 |
78.5 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
10.0 ± 7.2 |
8.3 ± 1.8 |
14.4 ± 4.9 |
68.7 ± 12.0 |
1.17 ± 0.72 |
0.14 ± 0.09 |
VC |
42.3 ± 1.5 |
35.8 ± 8.3 |
53.5 ± 18.1 |
59.2 ± 9.3 |
1.27 ± 0.45 |
0.74 ± 0.16 |
MX1 |
15.7 ± 5.8 |
11.2 ± 2.4 |
19.3 ± 6.5 |
68.3 ± 11.9 |
1.39 ± 0.36 |
0.23 ± 0.06 |
MX2 |
10.4 ± 7.1 |
8.4 ± 1.8 |
14.6 ± 4.9 |
68.7 ± 12.0 |
1.20 ± 0.70 |
0.15 ± 0.09 |
MX3 |
13.4 ± 6.2 |
9.5 ± 2.0 |
16.5 ± 5.6 |
68.5 ± 12.0 |
1.38 ± 0.48 |
0.19 ± 0.07 |
RH8 |
4.3 ± 3.2 |
1.5 ± 0.3 |
2.6 ± 0.9 |
69.2 ± 12.1 |
2.52 ± 2.20 |
0.06 ± 0.05 |
RH9 |
3.7 ± 3.0 |
0.9 ± 0.2 |
1.5 ± 0.5 |
69.2 ± 12.1 |
3.69 ± 3.65 |
0.05 ± 0.04 |
RH10 |
3.7 ± 3.0 |
0.9 ± 0.2 |
1.5 ± 0.5 |
69.2 ± 12.1 |
3.69 ± 3.65 |
0.05 ± 0.04 |
Average |
12.9 |
9.6 |
15.5 |
67.6 |
2.0 |
0.2 |
Median |
10.4 |
8.4 |
14.6 |
68.7 |
1.4 |
0.1 |
Deviation |
12.7 |
11.4 |
17.0 |
3.4 |
1.1 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
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Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
3.3 ± 0.8 |
4.0 ± 0.1 |
4.6 ± 0.2 |
34.7 ± 1.4 |
0.82 ± 0.22 |
0.10 ± 0.03 |
VC |
16.0 ± 0.9 |
17.1 ± 0.7 |
17.2 ± 0.7 |
30.5 ± 1.5 |
0.94 ± 0.07 |
0.53 ± 0.02 |
MX1 |
5.8 ± 0.8 |
5.5 ± 0.2 |
6.2 ± 0.3 |
34.5 ± 1.4 |
1.06 ± 0.15 |
0.17 ± 0.02 |
MX2 |
3.5 ± 0.8 |
4.1 ± 0.1 |
4.7 ± 0.2 |
34.7 ± 1.4 |
0.85 ± 0.22 |
0.10 ± 0.03 |
MX3 |
5.0 ± 0.8 |
4.6 ± 0.2 |
5.3 ± 0.2 |
34.6 ± 1.4 |
1.08 ± 0.18 |
0.14 ± 0.02 |
RH8 |
2.0 ± 0.3 |
0.7 ± 0.0 |
0.8 ± 0.0 |
34.9 ± 1.4 |
2.67 ± 0.40 |
0.06 ± 0.01 |
RH9 |
1.9 ± 0.3 |
0.4 ± 0.0 |
0.5 ± 0.0 |
34.9 ± 1.4 |
4.41 ± 0.64 |
0.05 ± 0.01 |
RH10 |
1.9 ± 0.3 |
0.4 ± 0.0 |
0.5 ± 0.0 |
34.9 ± 1.4 |
4.41 ± 0.64 |
0.05 ± 0.01 |
Average |
4.9 |
4.6 |
5.0 |
34.2 |
2.0 |
0.1 |
Median |
3.5 |
4.1 |
4.7 |
34.7 |
1.1 |
0.1 |
Deviation |
4.7 |
5.4 |
5.5 |
1.5 |
1.6 |
0.2 |
Survey interval (About, Top)
Selected
data (About, Top)
Key plasma parameters
|
Velocity
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Magnetic Field
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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 21:49:36 2024
Michael L Stevens
(mstevens@cfa.harvard.edu)
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