Database: Wind Shock Analysis
Event ID: 20233491052
Observation time: 12/15/2023 349.45280 1052 [UT]
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
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General
Information (About, Top)
Year |
2023 |
Fractional day of year |
349.452795 |
Arrival time of shock [seconds of day] |
39121.5 ± 20.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
244.725 |
Y GSE location of spacecraft [Re] |
76.457 |
Z GSE location of spacecraft [Re] |
9.674 |
Upstream plasma points selected for analysis |
0004 |
Upstream field points selected for analysis |
0181 |
Downstream plasma points selected for analysis |
0004
|
Downstream field points selected for analysis |
0201 |
Minimum chisq/dof for RH8,RH9,RH10 |
4.41, 39.15, 46.52 |
Event added to database
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Wed Aug 28 16:22:03 2024
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Event last processed
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Wed Aug 28 21:13:05 2024
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
58.640 ± 4.384
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-290.3 ± 1.7 |
-395.0 ± 4.1 |
Vy GSE [km/s] |
5.2 ± 2.1 |
-18.3 ± 10.6 |
Vz GSE [km/s] |
-5.8 ± 0.6 |
44.8 ± 3.1 |
Wi [km/s] |
24.4 ± 1.2 |
36.0 ± 2.4 |
We [km/s] |
770.5 ± 39.0 |
1137.1 ± 74.6 |
Ni [n/cc] |
5.0 ± 0.4 |
19.2 ± 0.3 |
Bx GSE [nT] |
-2.4 ± 0.1 |
-5.7 ± 0.2 |
By GSE [nT] |
-0.7 ± 0.3 |
0.4 ± 2.5 |
Bz GSE [nT] |
-2.2 ± 0.2 |
-12.0 ± 0.8 |
Plasma Beta
|
0.554 ± 0.576
|
0.292 ± 0.297
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Sound Speed [km/s]
|
31.45 ± 1.59
|
46.42 ± 3.05
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Alfven Speed [km/s]
|
32.76 ± 0.73
|
66.92 ± 3.35
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.849 ± 0.165 |
-0.507 ± 0.274 |
0.150 ± 0.149 |
8.63 ± 8.30 |
210.88 ± 18.47 |
VC |
-0.883 ± 0.020 |
-0.198 ± 0.084 |
0.425 ± 0.397 |
25.15 ± 1.02 |
192.66 ± 5.43 |
MX1 |
-0.936 ± 0.022 |
-0.219 ± 0.081 |
0.275 ± 0.268 |
15.94 ± 2.50 |
193.15 ± 4.96 |
MX2 |
-0.940 ± 0.017 |
-0.186 ± 0.067 |
0.286 ± 0.278 |
16.59 ± 2.19 |
191.22 ± 4.05 |
MX3 |
-0.941 ± 0.016 |
-0.177 ± 0.063 |
0.288 ± 0.280 |
16.77 ± 2.13 |
190.68 ± 3.84 |
RH08 |
-0.942 ± 0.009 |
-0.192 ± 0.030 |
0.274 ± 0.267 |
15.89 ± 1.37 |
191.53 ± 1.82 |
RH09 |
-0.720 ± 0.049 |
-0.686 ± 0.051 |
0.106 ± 0.106 |
6.09 ± 4.02 |
223.62 ± 4.03 |
RH10 |
-0.944 ± 0.023 |
0.280 ± 0.068 |
0.173 ± 0.171 |
9.97 ± 4.03 |
163.45 ± 4.10 |
Average |
-0.894 |
-0.236 |
0.247 |
14.379 |
194.649 |
Median |
-0.936 |
-0.192 |
0.275 |
15.942 |
192.661 |
Deviation |
0.079 |
0.281 |
0.101 |
6.006 |
17.400 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
52.1 ± 3.2 |
388.5 ± 1.4 |
3.84 ± 0.35 |
VC |
67.1 ± 3.7 |
414.1 ± 1.6 |
3.84 ± 0.35 |
MX1 |
57.9 ± 3.7 |
428.2 ± 1.5 |
3.84 ± 0.35 |
MX2 |
58.6 ± 3.8 |
429.6 ± 1.5 |
3.84 ± 0.35 |
MX3 |
58.9 ± 3.8 |
429.7 ± 1.5 |
3.84 ± 0.35 |
RH08 |
57.9 ± 3.8 |
430.1 ± 1.5 |
3.84 ± 0.35 |
RH09 |
53.8 ± 3.1 |
337.2 ± 1.8 |
3.84 ± 0.35 |
RH10 |
60.2 ± 4.6 |
413.7 ± 9.4 |
3.84 ± 0.35 |
Average |
58.3 |
408.9 |
3.84 |
Median |
58.6 |
428.2 |
3.84 |
Deviation |
4.5 |
32.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
145.6 ± 2.3 |
14.7 ± 0.5 |
20.1 ± 0.4 |
43.0 ± 1.4 |
9.90 ± 0.47 |
3.39 ± 0.15 |
VC |
161.2 ± 1.6 |
9.0 ± 0.3 |
12.8 ± 0.3 |
44.5 ± 1.4 |
17.90 ± 0.73 |
3.62 ± 0.14 |
MX1 |
159.1 ± 1.8 |
12.5 ± 0.4 |
17.4 ± 0.4 |
43.7 ± 1.4 |
12.69 ± 0.54 |
3.65 ± 0.15 |
MX2 |
159.3 ± 1.7 |
12.3 ± 0.4 |
17.0 ± 0.4 |
43.7 ± 1.4 |
13.01 ± 0.54 |
3.64 ± 0.15 |
MX3 |
159.1 ± 1.7 |
12.2 ± 0.4 |
16.9 ± 0.4 |
43.8 ± 1.4 |
13.09 ± 0.55 |
3.64 ± 0.15 |
RH8 |
159.1 ± 1.8 |
12.5 ± 0.4 |
17.4 ± 0.4 |
43.7 ± 1.4 |
12.71 ± 0.53 |
3.65 ± 0.15 |
RH9 |
132.4 ± 2.5 |
14.1 ± 0.5 |
19.3 ± 0.4 |
43.2 ± 1.4 |
9.41 ± 0.47 |
3.07 ± 0.15 |
RH10 |
139.2 ± 1.1 |
11.7 ± 0.4 |
16.3 ± 0.4 |
43.9 ± 1.4 |
11.94 ± 0.44 |
3.17 ± 0.11 |
Average |
151.9 |
12.4 |
17.2 |
43.7 |
12.6 |
3.5 |
Median |
159.1 |
12.5 |
17.4 |
43.7 |
12.7 |
3.6 |
Deviation |
11.2 |
1.7 |
2.2 |
0.5 |
2.6 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
37.3 ± 3.2 |
24.5 ± 1.2 |
41.1 ± 2.1 |
77.7 ± 3.0 |
1.52 ± 0.07 |
0.48 ± 0.03 |
VC |
42.6 ± 3.4 |
15.1 ± 0.7 |
26.1 ± 1.3 |
80.1 ± 3.0 |
2.82 ± 0.20 |
0.53 ± 0.05 |
MX1 |
42.1 ± 3.0 |
21.0 ± 1.0 |
35.6 ± 1.8 |
78.8 ± 3.0 |
2.01 ± 0.12 |
0.53 ± 0.05 |
MX2 |
42.0 ± 3.2 |
20.5 ± 1.0 |
34.8 ± 1.7 |
78.9 ± 3.0 |
2.05 ± 0.14 |
0.53 ± 0.05 |
MX3 |
41.9 ± 3.3 |
20.3 ± 1.0 |
34.6 ± 1.7 |
78.9 ± 3.0 |
2.06 ± 0.15 |
0.53 ± 0.05 |
RH8 |
42.1 ± 3.2 |
20.9 ± 1.0 |
35.5 ± 1.8 |
78.8 ± 3.0 |
2.01 ± 0.14 |
0.54 ± 0.05 |
RH9 |
35.6 ± 5.0 |
23.5 ± 1.1 |
39.5 ± 2.0 |
78.0 ± 3.0 |
1.51 ± 0.16 |
0.45 ± 0.05 |
RH10 |
38.1 ± 6.9 |
19.5 ± 0.9 |
33.3 ± 1.7 |
79.1 ± 3.0 |
1.96 ± 0.37 |
0.48 ± 0.10 |
Average |
40.2 |
20.7 |
35.1 |
78.8 |
2.0 |
0.5 |
Median |
42.0 |
20.9 |
35.5 |
78.9 |
2.0 |
0.5 |
Deviation |
2.8 |
2.8 |
4.5 |
0.7 |
0.4 |
0.0 |
Survey interval (About, Top)

Selected
data (About, Top)
Key plasma parameters

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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 21:49:15 2024
Michael L Stevens
(mstevens@cfa.harvard.edu)
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