Database: Wind Shock Analysis
Event ID: 20233622247
Observation time: 12/28/2023 362.94952 2247 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
2023 |
Fractional day of year |
362.949522 |
Arrival time of shock [seconds of day] |
82038.7 ± 60.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
262.272 |
Y GSE location of spacecraft [Re] |
52.618 |
Z GSE location of spacecraft [Re] |
13.969 |
Upstream plasma points selected for analysis |
0007 |
Upstream field points selected for analysis |
0260 |
Downstream plasma points selected for analysis |
0004
|
Downstream field points selected for analysis |
0193 |
Minimum chisq/dof for RH8,RH9,RH10 |
5.73, 11.78, 12.50 |
Event added to database
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Wed Aug 28 16:27:24 2024
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Event last processed
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Wed Aug 28 21:13:35 2024
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Method selected
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RH08
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Propagation delay to Earth [minutes]
|
66.335 ± 0.546
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-340.7 ± 3.1 |
-388.8 ± 8.8 |
Vy GSE [km/s] |
-30.1 ± 1.7 |
-26.7 ± 4.0 |
Vz GSE [km/s] |
-3.9 ± 2.3 |
5.0 ± 4.3 |
Wi [km/s] |
26.9 ± 1.0 |
44.9 ± 5.5 |
We [km/s] |
849.5 ± 31.5 |
1418.7 ± 174.9 |
Ni [n/cc] |
3.4 ± 0.3 |
8.7 ± 0.1 |
Bx GSE [nT] |
-1.9 ± 0.4 |
-1.4 ± 1.4 |
By GSE [nT] |
2.2 ± 0.4 |
5.0 ± 1.7 |
Bz GSE [nT] |
1.1 ± 0.2 |
1.4 ± 1.2 |
Plasma Beta
|
0.532 ± 0.535
|
1.212 ± 1.689
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Sound Speed [km/s]
|
34.68 ± 1.29
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57.92 ± 7.14
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Alfven Speed [km/s]
|
36.95 ± 1.02
|
42.96 ± 6.20
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.921 ± 0.199 |
0.290 ± 0.538 |
0.259 ± 0.253 |
15.01 ± 24.51 |
162.55 ± 33.42 |
VC |
-0.982 ± 0.015 |
0.075 ± 0.089 |
0.176 ± 0.174 |
10.13 ± 4.54 |
175.62 ± 5.21 |
MX1 |
-0.994 ± 0.027 |
-0.014 ± 0.477 |
0.108 ± 0.108 |
6.23 ± 13.75 |
180.82 ± 27.51 |
MX2 |
-0.998 ± 0.023 |
0.063 ± 0.341 |
0.028 ± 0.028 |
1.58 ± 15.52 |
176.39 ± 19.58 |
MX3 |
-0.988 ± 0.038 |
0.154 ± 0.242 |
-0.013 ± 0.013 |
-0.75 ± 17.46 |
171.13 ± 14.04 |
RH08 |
-0.998 ± 0.002 |
0.061 ± 0.023 |
0.028 ± 0.028 |
1.60 ± 1.19 |
176.49 ± 1.35 |
RH09 |
-0.993 ± 0.008 |
0.096 ± 0.068 |
0.061 ± 0.061 |
3.52 ± 4.03 |
174.48 ± 3.95 |
RH10 |
-0.995 ± 0.007 |
0.096 ± 0.068 |
0.039 ± 0.039 |
2.24 ± 4.06 |
174.48 ± 3.91 |
Average |
-0.984 |
0.103 |
0.086 |
4.945 |
173.996 |
Median |
-0.993 |
0.096 |
0.061 |
3.523 |
175.616 |
Deviation |
0.026 |
0.089 |
0.091 |
5.267 |
5.357 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
31.0 ± 9.4 |
378.7 ± 2.6 |
2.68 ± 0.12 |
VC |
44.5 ± 9.3 |
409.3 ± 2.7 |
2.68 ± 0.12 |
MX1 |
50.7 ± 9.2 |
416.3 ± 2.7 |
2.68 ± 0.12 |
MX2 |
48.8 ± 8.8 |
414.4 ± 2.7 |
2.68 ± 0.12 |
MX3 |
45.4 ± 8.3 |
406.7 ± 2.6 |
2.68 ± 0.12 |
RH08 |
48.8 ± 8.8 |
414.5 ± 2.7 |
2.68 ± 0.12 |
RH09 |
46.2 ± 8.8 |
412.1 ± 2.7 |
2.68 ± 0.12 |
RH10 |
46.8 ± 8.7 |
412.2 ± 13.7 |
2.68 ± 0.12 |
Average |
45.3 |
408.0 |
2.68 |
Median |
46.8 |
412.2 |
2.68 |
Deviation |
6.1 |
12.2 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
74.6 ± 2.7 |
24.8 ± 0.4 |
31.7 ± 0.9 |
44.2 ± 0.5 |
3.00 ± 0.11 |
1.69 ± 0.06 |
VC |
77.9 ± 3.0 |
19.5 ± 0.3 |
26.3 ± 0.7 |
46.8 ± 0.5 |
3.99 ± 0.16 |
1.67 ± 0.06 |
MX1 |
77.7 ± 3.1 |
17.0 ± 0.3 |
23.4 ± 0.6 |
47.8 ± 0.5 |
4.58 ± 0.18 |
1.63 ± 0.06 |
MX2 |
76.5 ± 3.0 |
17.8 ± 0.3 |
24.4 ± 0.7 |
47.5 ± 0.5 |
4.30 ± 0.16 |
1.61 ± 0.06 |
MX3 |
74.7 ± 2.8 |
19.2 ± 0.3 |
25.9 ± 0.7 |
46.9 ± 0.5 |
3.90 ± 0.14 |
1.59 ± 0.06 |
RH8 |
76.6 ± 3.0 |
17.8 ± 0.3 |
24.3 ± 0.7 |
47.5 ± 0.5 |
4.31 ± 0.16 |
1.61 ± 0.06 |
RH9 |
76.8 ± 3.0 |
18.8 ± 0.3 |
25.6 ± 0.7 |
47.1 ± 0.5 |
4.08 ± 0.15 |
1.63 ± 0.06 |
RH10 |
76.4 ± 3.0 |
18.6 ± 0.3 |
25.3 ± 0.7 |
47.2 ± 0.5 |
4.11 ± 0.15 |
1.62 ± 0.06 |
Average |
76.4 |
19.2 |
25.9 |
46.9 |
4.0 |
1.6 |
Median |
76.6 |
18.8 |
25.6 |
47.2 |
4.1 |
1.6 |
Deviation |
1.2 |
2.4 |
2.5 |
1.1 |
0.5 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
26.9 ± 8.5 |
32.6 ± 2.3 |
36.8 ± 5.3 |
64.8 ± 3.3 |
0.84 ± 0.30 |
0.41 ± 0.12 |
VC |
28.8 ± 9.1 |
25.9 ± 1.5 |
30.6 ± 4.4 |
67.8 ± 2.6 |
1.13 ± 0.40 |
0.42 ± 0.12 |
MX1 |
28.9 ± 9.2 |
22.6 ± 1.3 |
27.2 ± 3.9 |
68.9 ± 2.4 |
1.30 ± 0.46 |
0.42 ± 0.12 |
MX2 |
28.0 ± 8.8 |
23.6 ± 1.3 |
28.3 ± 4.1 |
68.6 ± 2.5 |
1.20 ± 0.42 |
0.41 ± 0.12 |
MX3 |
26.8 ± 8.5 |
25.4 ± 1.5 |
30.2 ± 4.3 |
67.9 ± 2.6 |
1.07 ± 0.38 |
0.39 ± 0.11 |
RH8 |
28.1 ± 8.8 |
23.6 ± 1.3 |
28.3 ± 4.1 |
68.6 ± 2.5 |
1.20 ± 0.42 |
0.41 ± 0.12 |
RH9 |
28.0 ± 8.8 |
25.0 ± 1.5 |
29.7 ± 4.3 |
68.1 ± 2.5 |
1.14 ± 0.40 |
0.41 ± 0.12 |
RH10 |
27.9 ± 8.8 |
24.7 ± 1.4 |
29.4 ± 4.2 |
68.2 ± 2.5 |
1.14 ± 0.40 |
0.41 ± 0.12 |
Average |
27.9 |
25.4 |
30.1 |
67.9 |
1.1 |
0.4 |
Median |
28.0 |
25.0 |
29.7 |
68.2 |
1.1 |
0.4 |
Deviation |
0.8 |
3.1 |
3.0 |
1.3 |
0.1 |
0.0 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00889.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00889.png)
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Velocity
![V](wi_selv_00889.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_00889.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00889.png)
Mach Numbers (About, Top)
Page updated Wed Aug 28 21:49:13 2024
Michael L Stevens
(mstevens@cfa.harvard.edu)
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