Database: Wind Shock Analysis
Event ID: 20152630523
Observation time: 09/20/2015 263.22453 0523 [UT]
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![Wind spacecraft](../windsm.gif)
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General
Information (About, Top)
Year |
2015 |
Fractional day of year |
263.224531 |
Arrival time of shock [seconds of day] |
19399.5 ± 40.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
259.255 |
Y GSE location of spacecraft [Re] |
36.689 |
Z GSE location of spacecraft [Re] |
13.792 |
Upstream plasma points selected for analysis |
0006 |
Upstream field points selected for analysis |
0197 |
Downstream plasma points selected for analysis |
0008
|
Downstream field points selected for analysis |
0266 |
Minimum chisq/dof for RH8,RH9,RH10 |
12.02, 12.68, 13.16 |
Event added to database
|
Fri Jan 29 14:01:58 2016
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Event last processed
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Tue May 17 17:13:18 2016
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
110.504 ± 10.918
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-445.1 ± 10.2 |
-529.5 ± 7.6 |
Vy GSE [km/s] |
15.5 ± 6.3 |
35.6 ± 8.9 |
Vz GSE [km/s] |
10.4 ± 25.3 |
96.0 ± 9.9 |
Wi [km/s] |
55.4 ± 5.0 |
75.5 ± 11.3 |
We [km/s] |
1750.5 ± 159.0 |
2387.5 ± 356.7 |
Ni [n/cc] |
6.2 ± 1.8 |
9.9 ± 1.9 |
Bx GSE [nT] |
-1.7 ± 0.6 |
-12.7 ± 0.9 |
By GSE [nT] |
7.3 ± 0.4 |
10.3 ± 3.4 |
Bz GSE [nT] |
5.8 ± 0.4 |
-13.5 ± 2.0 |
Plasma Beta
|
0.427 ± 0.480
|
0.281 ± 0.223
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Sound Speed [km/s]
|
71.47 ± 6.49
|
97.47 ± 14.56
|
Alfven Speed [km/s]
|
87.90 ± 21.84
|
151.16 ± 17.61
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.361 ± 0.080 |
0.864 ± 0.054 |
0.351 ± 0.335 |
20.52 ± 7.54 |
112.66 ± 5.19 |
VC |
-0.710 ± 0.105 |
0.162 ± 0.075 |
0.685 ± 0.550 |
43.23 ± 8.93 |
167.13 ± 5.72 |
MX1 |
-0.886 ± 0.220 |
-0.284 ± 0.656 |
0.367 ± 0.350 |
21.54 ± 10.56 |
197.75 ± 42.43 |
MX2 |
-0.823 ± 0.047 |
0.258 ± 0.098 |
0.507 ± 0.458 |
30.46 ± 4.24 |
162.61 ± 6.80 |
MX3 |
-0.840 ± 0.036 |
0.190 ± 0.075 |
0.509 ± 0.460 |
30.58 ± 3.66 |
167.28 ± 5.11 |
RH08 |
-0.229 ± 0.034 |
-0.971 ± 0.008 |
-0.073 ± 0.072 |
-4.16 ± 2.00 |
256.71 ± 2.00 |
RH09 |
-0.229 ± 0.022 |
-0.971 ± 0.005 |
-0.073 ± 0.072 |
-4.16 ± 1.02 |
256.71 ± 1.29 |
RH10 |
-0.229 ± 0.030 |
-0.971 ± 0.007 |
-0.073 ± 0.072 |
-4.16 ± 1.38 |
256.71 ± 1.79 |
Average |
-0.538 |
-0.215 |
0.275 |
16.730 |
197.195 |
Median |
-0.361 |
0.162 |
0.367 |
21.539 |
197.745 |
Deviation |
0.302 |
0.698 |
0.305 |
18.632 |
54.470 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
19.2 ± 4.5 |
455.6 ± 32.5 |
1.98 ± 1.29 |
VC |
48.2 ± 2.4 |
727.4 ± 55.2 |
1.98 ± 1.29 |
MX1 |
80.7 ± 2.5 |
715.5 ± 46.4 |
1.98 ± 1.29 |
MX2 |
49.3 ± 2.9 |
759.5 ± 52.6 |
1.98 ± 1.29 |
MX3 |
52.9 ± 2.8 |
766.5 ± 53.0 |
1.98 ± 1.29 |
RH08 |
41.3 ± 2.1 |
62.9 ± 4.5 |
1.98 ± 1.29 |
RH09 |
41.3 ± 2.1 |
62.9 ± 4.5 |
1.98 ± 1.29 |
RH10 |
41.3 ± 2.1 |
62.9 ± 30.6 |
1.98 ± 1.29 |
Average |
46.8 |
451.6 |
1.98 |
Median |
48.2 |
715.5 |
1.98 |
Deviation |
17.1 |
336.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
277.9 ± 17.8 |
62.2 ± 6.8 |
83.0 ± 20.6 |
95.0 ± 20.3 |
4.53 ± 0.67 |
3.04 ± 0.62 |
VC |
401.6 ± 25.4 |
39.1 ± 5.0 |
58.6 ± 14.6 |
106.7 ± 20.2 |
10.46 ± 1.67 |
3.88 ± 0.74 |
MX1 |
321.8 ± 16.4 |
8.9 ± 1.2 |
14.1 ± 3.5 |
113.3 ± 20.7 |
36.92 ± 5.65 |
2.92 ± 0.52 |
MX2 |
384.1 ± 22.6 |
38.0 ± 4.9 |
57.3 ± 14.2 |
107.0 ± 20.2 |
10.27 ± 1.60 |
3.70 ± 0.70 |
MX3 |
384.5 ± 22.4 |
34.9 ± 4.5 |
53.0 ± 13.2 |
108.1 ± 20.3 |
11.22 ± 1.75 |
3.66 ± 0.69 |
RH8 |
-23.3 ± 5.7 |
45.0 ± 5.7 |
66.0 ± 16.4 |
104.3 ± 20.1 |
-0.53 ± 0.16 |
-0.24 ± 0.08 |
RH9 |
-23.3 ± 5.7 |
45.0 ± 5.7 |
66.0 ± 16.4 |
104.3 ± 20.1 |
-0.53 ± 0.16 |
-0.24 ± 0.08 |
RH10 |
-23.3 ± 5.7 |
45.0 ± 5.7 |
66.0 ± 16.4 |
104.3 ± 20.1 |
-0.53 ± 0.16 |
-0.24 ± 0.08 |
Average |
212.5 |
39.8 |
58.0 |
105.4 |
9.0 |
2.1 |
Median |
321.8 |
45.0 |
66.0 |
106.7 |
10.3 |
3.0 |
Deviation |
199.2 |
15.0 |
19.9 |
5.2 |
12.4 |
1.9 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
200.1 ± 8.0 |
87.2 ± 8.0 |
142.7 ± 16.6 |
158.1 ± 12.6 |
2.31 ± 0.23 |
1.27 ± 0.09 |
VC |
279.7 ± 5.6 |
56.5 ± 3.7 |
100.8 ± 11.7 |
171.8 ± 10.0 |
4.97 ± 0.32 |
1.63 ± 0.09 |
MX1 |
221.3 ± 5.3 |
13.0 ± 0.7 |
24.3 ± 2.8 |
180.4 ± 9.3 |
17.09 ± 0.82 |
1.23 ± 0.07 |
MX2 |
266.1 ± 5.9 |
55.1 ± 3.6 |
98.5 ± 11.5 |
172.3 ± 9.9 |
4.84 ± 0.29 |
1.55 ± 0.09 |
MX3 |
266.2 ± 5.7 |
50.6 ± 3.2 |
91.2 ± 10.6 |
173.6 ± 9.8 |
5.28 ± 0.31 |
1.54 ± 0.08 |
RH8 |
-17.0 ± 7.8 |
64.8 ± 4.5 |
113.6 ± 13.2 |
168.8 ± 10.3 |
-0.26 ± 0.13 |
-0.10 ± 0.04 |
RH9 |
-17.0 ± 7.8 |
64.8 ± 4.5 |
113.6 ± 13.2 |
168.8 ± 10.3 |
-0.26 ± 0.13 |
-0.10 ± 0.04 |
RH10 |
-17.0 ± 7.8 |
64.8 ± 4.5 |
113.6 ± 13.2 |
168.8 ± 10.3 |
-0.26 ± 0.13 |
-0.10 ± 0.04 |
Average |
147.8 |
57.1 |
99.8 |
170.3 |
4.2 |
0.9 |
Median |
221.3 |
64.8 |
113.6 |
171.8 |
4.8 |
1.3 |
Deviation |
138.9 |
21.0 |
34.2 |
6.3 |
5.8 |
0.8 |
Survey interval (About, Top)
![Survey of solar wind interval](wi_survey_00697.png)
Selected
data (About, Top)
Key plasma parameters
![Survey](wi_selvwnb_00697.png)
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Velocity
![V](wi_selv_00697.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_00697.png)
Theta Bn (About, Top)
![Theta Bn](wi_thetabn_00697.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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