Database: Wind Shock Analysis
Event ID: 20151751307
Observation time: 06/24/2015 175.54668 1307 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
2015 |
Fractional day of year |
175.546684 |
Arrival time of shock [seconds of day] |
47233.5 ± 30.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
202.582 |
Y GSE location of spacecraft [Re] |
-27.716 |
Z GSE location of spacecraft [Re] |
-11.696 |
Upstream plasma points selected for analysis |
0005 |
Upstream field points selected for analysis |
0152 |
Downstream plasma points selected for analysis |
0005
|
Downstream field points selected for analysis |
0216 |
Minimum chisq/dof for RH8,RH9,RH10 |
10.40, 12.94, 15.96 |
Event added to database
|
Thu Jan 28 17:04:37 2016
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Event last processed
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Tue May 17 17:06:44 2016
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
14.742 ± 6.416
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-592.2 ± 16.2 |
-685.6 ± 24.0 |
Vy GSE [km/s] |
-33.3 ± 5.5 |
-94.8 ± 15.7 |
Vz GSE [km/s] |
-33.3 ± 21.5 |
-99.8 ± 45.3 |
Wi [km/s] |
29.8 ± 2.7 |
49.2 ± 8.5 |
We [km/s] |
941.3 ± 85.4 |
1556.7 ± 268.6 |
Ni [n/cc] |
1.0 ± 0.1 |
1.9 ± 0.3 |
Bx GSE [nT] |
-3.3 ± 1.1 |
-7.0 ± 1.5 |
By GSE [nT] |
4.4 ± 0.2 |
7.6 ± 1.2 |
Bz GSE [nT] |
-0.2 ± 0.9 |
0.7 ± 1.8 |
Plasma Beta
|
0.058 ± 0.059
|
0.088 ± 0.081
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Sound Speed [km/s]
|
38.43 ± 3.49
|
63.55 ± 10.96
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Alfven Speed [km/s]
|
124.06 ± 5.23
|
170.26 ± 12.67
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.767 ± 0.594 |
-0.641 ± 0.711 |
-0.029 ± 0.029 |
-1.68 ± 44.30 |
219.86 ± 53.06 |
VC |
-0.719 ± 0.169 |
-0.483 ± 0.147 |
-0.499 ± 0.453 |
-29.95 ± 21.13 |
213.91 ± 8.43 |
MX1 |
-0.753 ± 0.258 |
-0.443 ± 0.353 |
-0.486 ± 0.444 |
-29.11 ± 22.35 |
210.47 ± 25.83 |
MX2 |
-0.739 ± 0.233 |
-0.484 ± 0.294 |
-0.468 ± 0.431 |
-27.93 ± 21.32 |
213.25 ± 21.57 |
MX3 |
-0.739 ± 0.225 |
-0.497 ± 0.273 |
-0.456 ± 0.421 |
-27.12 ± 22.02 |
213.93 ± 19.82 |
RH08 |
-0.499 ± 0.037 |
-0.307 ± 0.034 |
-0.810 ± 0.554 |
-54.10 ± 2.77 |
211.59 ± 3.14 |
RH09 |
-0.401 ± 0.064 |
-0.175 ± 0.069 |
-0.899 ± 0.489 |
-64.08 ± 4.01 |
203.57 ± 9.22 |
RH10 |
-0.491 ± 0.061 |
-0.257 ± 0.068 |
-0.832 ± 0.545 |
-56.35 ± 4.03 |
207.58 ± 7.28 |
Average |
-0.638 |
-0.411 |
-0.560 |
-36.290 |
211.770 |
Median |
-0.719 |
-0.443 |
-0.486 |
-29.109 |
213.250 |
Deviation |
0.148 |
0.152 |
0.283 |
20.478 |
4.834 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
86.4 ± 10.5 |
733.6 ± 26.5 |
1.93 ± 0.56 |
VC |
87.0 ± 5.6 |
747.9 ± 20.9 |
1.93 ± 0.56 |
MX1 |
84.0 ± 5.8 |
767.0 ± 21.2 |
1.93 ± 0.56 |
MX2 |
86.4 ± 6.0 |
761.5 ± 21.5 |
1.93 ± 0.56 |
MX3 |
87.0 ± 6.1 |
762.2 ± 21.6 |
1.93 ± 0.56 |
RH08 |
85.5 ± 3.3 |
591.7 ± 15.5 |
1.93 ± 0.56 |
RH09 |
82.6 ± 4.5 |
525.2 ± 14.4 |
1.93 ± 0.56 |
RH10 |
83.4 ± 3.5 |
586.7 ± 74.3 |
1.93 ± 0.56 |
Average |
85.3 |
684.5 |
1.93 |
Median |
86.4 |
747.9 |
1.93 |
Deviation |
1.7 |
99.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
256.9 ± 11.2 |
2.3 ± 0.2 |
7.8 ± 0.3 |
129.9 ± 5.8 |
111.30 ± 10.72 |
1.98 ± 0.13 |
VC |
289.4 ± 12.5 |
2.0 ± 0.2 |
6.6 ± 0.3 |
129.9 ± 5.8 |
149.41 ± 17.65 |
2.23 ± 0.19 |
MX1 |
290.2 ± 12.7 |
3.8 ± 0.3 |
12.9 ± 0.5 |
129.8 ± 5.8 |
76.48 ± 9.01 |
2.24 ± 0.19 |
MX2 |
292.2 ± 12.3 |
2.3 ± 0.2 |
7.8 ± 0.3 |
129.9 ± 5.8 |
128.13 ± 14.91 |
2.26 ± 0.18 |
MX3 |
293.2 ± 12.1 |
1.9 ± 0.2 |
6.5 ± 0.3 |
129.9 ± 5.8 |
154.44 ± 17.84 |
2.26 ± 0.18 |
RH8 |
258.8 ± 16.6 |
2.9 ± 0.2 |
9.7 ± 0.4 |
129.9 ± 5.8 |
90.81 ± 12.90 |
2.00 ± 0.21 |
RH9 |
252.2 ± 18.4 |
4.8 ± 0.4 |
16.1 ± 0.7 |
129.8 ± 5.8 |
53.51 ± 8.06 |
1.95 ± 0.22 |
RH10 |
259.6 ± 17.1 |
4.2 ± 0.4 |
14.2 ± 0.6 |
129.8 ± 5.8 |
62.38 ± 8.96 |
2.01 ± 0.21 |
Average |
274.0 |
3.0 |
10.2 |
129.9 |
103.3 |
2.1 |
Median |
289.4 |
2.9 |
9.7 |
129.9 |
111.3 |
2.2 |
Deviation |
18.5 |
1.1 |
3.7 |
0.0 |
38.6 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
143.9 ± 25.4 |
3.7 ± 0.5 |
10.8 ± 0.8 |
182.0 ± 11.2 |
38.45 ± 4.49 |
0.79 ± 0.14 |
VC |
159.3 ± 16.8 |
3.1 ± 0.5 |
9.1 ± 0.7 |
182.0 ± 11.2 |
51.40 ± 8.87 |
0.88 ± 0.12 |
MX1 |
160.2 ± 16.4 |
6.2 ± 0.9 |
17.7 ± 1.3 |
182.0 ± 11.2 |
26.38 ± 4.43 |
0.88 ± 0.12 |
MX2 |
162.2 ± 16.5 |
3.7 ± 0.5 |
10.7 ± 0.8 |
182.0 ± 11.2 |
44.43 ± 7.26 |
0.90 ± 0.12 |
MX3 |
163.3 ± 16.5 |
3.1 ± 0.5 |
8.9 ± 0.7 |
182.0 ± 11.2 |
53.71 ± 8.60 |
0.90 ± 0.12 |
RH8 |
139.3 ± 27.3 |
4.6 ± 0.7 |
13.3 ± 1.0 |
182.0 ± 11.2 |
30.93 ± 9.15 |
0.77 ± 0.19 |
RH9 |
144.1 ± 32.9 |
7.7 ± 1.1 |
22.1 ± 1.6 |
181.9 ± 11.2 |
19.43 ± 6.46 |
0.80 ± 0.22 |
RH10 |
142.5 ± 28.4 |
6.8 ± 1.0 |
19.5 ± 1.4 |
181.9 ± 11.2 |
21.68 ± 6.53 |
0.79 ± 0.20 |
Average |
151.8 |
4.9 |
14.0 |
182.0 |
35.8 |
0.8 |
Median |
159.3 |
4.6 |
13.3 |
182.0 |
38.4 |
0.9 |
Deviation |
10.2 |
1.8 |
5.1 |
0.1 |
13.2 |
0.1 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00694.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00694.png)
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Velocity
![V](wi_selv_00694.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_00694.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00694.png)
Mach Numbers (About, Top)
Page updated Wed Jan 22 21:47:00 2020
Michael L Stevens
(mstevens@cfa.harvard.edu)
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