Database: Wind Shock Analysis
Event ID: 20151721604
Observation time: 06/21/2015 172.66957 1604 [UT]
|
|
General
Information (About, Top)
| Year |
2015 |
| Fractional day of year |
172.669566 |
| Arrival time of shock [seconds of day] |
57850.5 ± 50.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
203.313 |
| Y GSE location of spacecraft [Re] |
-37.862 |
| Z GSE location of spacecraft [Re] |
-10.606 |
| Upstream plasma points selected for analysis |
0008 |
| Upstream field points selected for analysis |
0245 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0244 |
| Minimum chisq/dof for RH8,RH9,RH10 |
10.98, 30.98, 39.84 |
Event added to database
|
Thu Jan 28 17:02:12 2016
|
Event last processed
|
Tue May 17 17:02:27 2016
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
35.619 ± 5.260
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-286.1 ± 0.8 |
-335.1 ± 1.4 |
| Vy GSE [km/s] |
-21.3 ± 1.1 |
-61.7 ± 2.1 |
| Vz GSE [km/s] |
-18.8 ± 1.1 |
-46.5 ± 2.1 |
| Wi [km/s] |
13.9 ± 0.3 |
27.0 ± 1.0 |
| We [km/s] |
438.4 ± 8.2 |
852.7 ± 31.2 |
| Ni [n/cc] |
16.9 ± 0.7 |
41.1 ± 2.3 |
| Bx GSE [nT] |
-1.3 ± 0.2 |
-3.3 ± 0.3 |
| By GSE [nT] |
1.1 ± 0.0 |
2.7 ± 0.7 |
| Bz GSE [nT] |
0.5 ± 0.4 |
1.0 ± 0.2 |
Plasma Beta
|
2.079 ± 2.155
|
3.267 ± 3.454
|
Sound Speed [km/s]
|
17.90 ± 0.34
|
34.81 ± 1.27
|
Alfven Speed [km/s]
|
9.68 ± 0.62
|
15.13 ± 1.35
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.823 ± 0.481 |
-0.323 ± 0.781 |
-0.468 ± 0.430 |
-27.88 ± 49.32 |
201.45 ± 53.43 |
| VC |
-0.708 ± 0.024 |
-0.583 ± 0.027 |
-0.400 ± 0.377 |
-23.56 ± 1.82 |
219.47 ± 2.12 |
| MX1 |
-0.614 ± 0.125 |
-0.657 ± 0.117 |
-0.437 ± 0.406 |
-25.88 ± 4.34 |
226.94 ± 10.68 |
| MX2 |
-0.617 ± 0.122 |
-0.656 ± 0.115 |
-0.436 ± 0.406 |
-25.82 ± 3.79 |
226.76 ± 10.53 |
| MX3 |
-0.618 ± 0.122 |
-0.655 ± 0.115 |
-0.434 ± 0.404 |
-25.70 ± 3.91 |
226.66 ± 10.48 |
| RH08 |
-0.717 ± 0.006 |
-0.573 ± 0.007 |
-0.397 ± 0.374 |
-23.37 ± 0.40 |
218.61 ± 0.58 |
| RH09 |
-0.059 ± 0.057 |
0.202 ± 0.061 |
-0.978 ± 0.286 |
-77.86 ± 3.60 |
106.30 ± 15.33 |
| RH10 |
0.033 ± 0.071 |
0.328 ± 0.066 |
-0.944 ± 0.407 |
-70.76 ± 4.01 |
84.23 ± 12.32 |
| Average |
-0.515 |
-0.365 |
-0.561 |
-37.604 |
188.804 |
| Median |
-0.617 |
-0.573 |
-0.436 |
-25.818 |
219.474 |
| Deviation |
0.319 |
0.405 |
0.248 |
22.780 |
58.627 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
75.9 ± 8.8 |
363.4 ± 0.7 |
2.44 ± 0.07 |
| VC |
88.9 ± 7.3 |
339.7 ± 0.7 |
2.44 ± 0.07 |
| MX1 |
84.0 ± 7.4 |
314.5 ± 0.6 |
2.44 ± 0.07 |
| MX2 |
84.2 ± 7.4 |
315.2 ± 0.6 |
2.44 ± 0.07 |
| MX3 |
84.3 ± 7.4 |
315.7 ± 0.6 |
2.44 ± 0.07 |
| RH08 |
88.1 ± 7.3 |
342.2 ± 0.7 |
2.44 ± 0.07 |
| RH09 |
83.9 ± 12.8 |
69.0 ± 0.5 |
2.44 ± 0.07 |
| RH10 |
85.3 ± 12.2 |
21.7 ± 3.8 |
2.44 ± 0.07 |
| Average |
84.3 |
260.2 |
2.44 |
| Median |
84.3 |
315.7 |
2.44 |
| Deviation |
3.9 |
134.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
112.4 ± 1.1 |
2.1 ± 0.1 |
2.4 ± 0.2 |
20.2 ± 0.3 |
54.02 ± 2.56 |
5.55 ± 0.11 |
| VC |
117.4 ± 1.2 |
0.2 ± 0.0 |
0.2 ± 0.0 |
20.4 ± 0.3 |
749.22 ± 34.51 |
5.77 ± 0.12 |
| MX1 |
116.6 ± 1.2 |
0.9 ± 0.0 |
1.0 ± 0.1 |
20.3 ± 0.3 |
131.71 ± 6.09 |
5.74 ± 0.12 |
| MX2 |
116.7 ± 1.2 |
0.9 ± 0.0 |
1.0 ± 0.1 |
20.3 ± 0.3 |
135.62 ± 6.27 |
5.74 ± 0.12 |
| MX3 |
116.7 ± 1.2 |
0.8 ± 0.0 |
1.0 ± 0.1 |
20.3 ± 0.3 |
138.42 ± 6.40 |
5.74 ± 0.12 |
| RH8 |
117.3 ± 1.2 |
0.3 ± 0.0 |
0.3 ± 0.0 |
20.4 ± 0.3 |
426.59 ± 19.65 |
5.77 ± 0.12 |
| RH9 |
38.1 ± 1.1 |
0.9 ± 0.0 |
1.0 ± 0.1 |
20.3 ± 0.3 |
42.10 ± 2.83 |
1.87 ± 0.06 |
| RH10 |
20.5 ± 1.1 |
0.7 ± 0.0 |
0.8 ± 0.1 |
20.3 ± 0.3 |
29.41 ± 2.67 |
1.01 ± 0.06 |
| Average |
94.5 |
0.8 |
1.0 |
20.3 |
213.4 |
4.6 |
| Median |
116.7 |
0.9 |
1.0 |
20.3 |
135.6 |
5.7 |
| Deviation |
40.5 |
0.6 |
0.7 |
0.0 |
250.6 |
2.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
46.1 ± 1.3 |
3.4 ± 0.2 |
3.7 ± 0.3 |
37.8 ± 0.9 |
13.64 ± 0.85 |
1.22 ± 0.06 |
| VC |
48.1 ± 0.8 |
0.3 ± 0.0 |
0.3 ± 0.0 |
38.0 ± 0.9 |
188.88 ± 12.61 |
1.27 ± 0.04 |
| MX1 |
47.9 ± 0.8 |
1.4 ± 0.1 |
1.6 ± 0.1 |
38.0 ± 0.9 |
33.30 ± 2.33 |
1.26 ± 0.04 |
| MX2 |
47.9 ± 0.8 |
1.4 ± 0.1 |
1.5 ± 0.1 |
38.0 ± 0.9 |
34.28 ± 2.40 |
1.26 ± 0.04 |
| MX3 |
47.9 ± 0.8 |
1.4 ± 0.1 |
1.5 ± 0.1 |
38.0 ± 0.9 |
34.99 ± 2.45 |
1.26 ± 0.04 |
| RH8 |
48.0 ± 0.9 |
0.4 ± 0.0 |
0.5 ± 0.0 |
38.0 ± 0.9 |
107.51 ± 7.14 |
1.27 ± 0.04 |
| RH9 |
16.2 ± 2.4 |
1.5 ± 0.1 |
1.6 ± 0.1 |
38.0 ± 0.9 |
11.03 ± 1.63 |
0.43 ± 0.07 |
| RH10 |
9.2 ± 2.4 |
1.1 ± 0.1 |
1.2 ± 0.1 |
38.0 ± 0.9 |
8.07 ± 2.08 |
0.24 ± 0.07 |
| Average |
38.9 |
1.4 |
1.5 |
38.0 |
54.0 |
1.0 |
| Median |
47.9 |
1.4 |
1.5 |
38.0 |
34.3 |
1.3 |
| Deviation |
16.3 |
0.9 |
1.0 |
0.0 |
63.0 |
0.4 |
Survey interval (About, Top)
Selected
data (About, Top)
|
Key plasma parameters
|
Velocity
|
Magnetic Field
|
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 Jan 22 21:47:00 2020
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
