Database: Wind Shock Analysis
Event ID: 20170052156
Observation time: 01/05/2017 5.91446 2156 [UT]
|
|
General
Information (About, Top)
| Year |
2017 |
| Fractional day of year |
5.914462 |
| Arrival time of shock [seconds of day] |
79009.5 ± 20.0 |
| Shock type |
FR |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
198.273 |
| Y GSE location of spacecraft [Re] |
69.484 |
| Z GSE location of spacecraft [Re] |
-10.794 |
| Upstream plasma points selected for analysis |
0006 |
| Upstream field points selected for analysis |
0184 |
| Downstream plasma points selected for analysis |
0006
|
| Downstream field points selected for analysis |
0192 |
| Minimum chisq/dof for RH8,RH9,RH10 |
10.55, 15.78, 16.57 |
Event added to database
|
Mon Jan 30 10:50:20 2017
|
Event last processed
|
Tue Oct 24 13:04:44 2017
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
34.676 ± 1.909
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-654.6 ± 18.1 |
-729.7 ± 9.4 |
| Vy GSE [km/s] |
21.5 ± 17.2 |
-14.8 ± 9.7 |
| Vz GSE [km/s] |
-72.3 ± 12.0 |
-40.6 ± 11.4 |
| Wi [km/s] |
81.8 ± 11.2 |
59.2 ± 1.8 |
| We [km/s] |
2587.7 ± 353.8 |
1871.7 ± 56.5 |
| Ni [n/cc] |
4.5 ± 0.6 |
2.5 ± 0.1 |
| Bx GSE [nT] |
2.2 ± 1.6 |
0.7 ± 0.6 |
| By GSE [nT] |
-9.0 ± 0.8 |
-4.7 ± 0.7 |
| Bz GSE [nT] |
-5.4 ± 1.4 |
-2.9 ± 0.9 |
Plasma Beta
|
0.553 ± 0.562
|
0.568 ± 0.559
|
Sound Speed [km/s]
|
105.64 ± 14.44
|
76.41 ± 2.31
|
Alfven Speed [km/s]
|
112.91 ± 9.92
|
78.82 ± 3.27
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.931 ± 0.257 |
-0.010 ± 1.001 |
-0.365 ± 0.348 |
-21.40 ± 40.29 |
180.60 ± 61.58 |
| VC |
-0.845 ± 0.109 |
-0.412 ± 0.203 |
0.339 ± 0.326 |
19.85 ± 8.95 |
206.00 ± 13.69 |
| MX1 |
-0.811 ± 0.168 |
-0.522 ± 0.252 |
0.263 ± 0.257 |
15.26 ± 12.31 |
212.77 ± 17.64 |
| MX2 |
-0.814 ± 0.170 |
-0.521 ± 0.256 |
0.256 ± 0.251 |
14.85 ± 13.50 |
212.62 ± 17.87 |
| MX3 |
-0.809 ± 0.167 |
-0.523 ± 0.250 |
0.269 ± 0.262 |
15.58 ± 11.78 |
212.88 ± 17.56 |
| RH08 |
-0.977 ± 0.006 |
0.060 ± 0.021 |
-0.207 ± 0.204 |
-11.93 ± 1.72 |
176.49 ± 1.25 |
| RH09 |
-0.986 ± 0.012 |
0.026 ± 0.070 |
-0.162 ± 0.161 |
-9.32 ± 4.03 |
178.50 ± 4.07 |
| RH10 |
-0.986 ± 0.012 |
0.026 ± 0.070 |
-0.162 ± 0.161 |
-9.32 ± 4.03 |
178.50 ± 4.07 |
| Average |
-0.895 |
-0.235 |
0.029 |
1.694 |
194.795 |
| Median |
-0.845 |
-0.010 |
0.256 |
14.851 |
206.002 |
| Deviation |
0.083 |
0.281 |
0.279 |
16.218 |
17.572 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
90.0 ± 8.3 |
555.4 ± 9.7 |
0.56 ± 0.09 |
| VC |
89.8 ± 8.6 |
403.1 ± 9.9 |
0.56 ± 0.09 |
| MX1 |
82.0 ± 8.5 |
386.6 ± 9.6 |
0.56 ± 0.09 |
| MX2 |
81.8 ± 8.5 |
388.6 ± 9.6 |
0.56 ± 0.09 |
| MX3 |
82.0 ± 8.5 |
385.0 ± 9.6 |
0.56 ± 0.09 |
| RH08 |
81.6 ± 8.3 |
574.3 ± 10.3 |
0.56 ± 0.09 |
| RH09 |
81.9 ± 8.3 |
574.0 ± 10.4 |
0.56 ± 0.09 |
| RH10 |
81.9 ± 8.3 |
574.0 ± 61.5 |
0.56 ± 0.09 |
| Average |
83.9 |
480.1 |
0.56 |
| Median |
82.0 |
555.4 |
0.56 |
| Deviation |
3.7 |
95.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-80.2 ± 17.3 |
0.0 ± 0.0 |
0.0 ± 0.0 |
155.2 ± 9.8 |
******* ± 463.62 |
-0.52 ± 0.10 |
| VC |
-117.0 ± 18.1 |
0.3 ± 0.0 |
0.4 ± 0.0 |
155.2 ± 9.8 |
-407.81 ± 52.63 |
-0.75 ± 0.10 |
| MX1 |
-114.2 ± 18.1 |
10.7 ± 0.6 |
15.8 ± 1.4 |
154.8 ± 9.7 |
-10.64 ± 1.39 |
-0.74 ± 0.10 |
| MX2 |
-114.6 ± 18.1 |
10.9 ± 0.6 |
16.0 ± 1.4 |
154.8 ± 9.7 |
-10.53 ± 1.37 |
-0.74 ± 0.10 |
| MX3 |
-113.9 ± 18.1 |
10.6 ± 0.6 |
15.6 ± 1.4 |
154.8 ± 9.7 |
-10.73 ± 1.41 |
-0.73 ± 0.10 |
| RH8 |
-81.2 ± 18.0 |
11.1 ± 0.7 |
16.4 ± 1.4 |
154.8 ± 9.7 |
-7.29 ± 1.44 |
-0.52 ± 0.10 |
| RH9 |
-84.0 ± 18.0 |
10.8 ± 0.6 |
16.0 ± 1.4 |
154.8 ± 9.7 |
-7.76 ± 1.47 |
-0.54 ± 0.10 |
| RH10 |
-84.0 ± 18.0 |
10.8 ± 0.6 |
16.0 ± 1.4 |
154.8 ± 9.7 |
-7.76 ± 1.47 |
-0.54 ± 0.10 |
| Average |
-98.6 |
8.2 |
12.0 |
154.9 |
-363.9 |
-0.6 |
| Median |
-84.0 |
10.8 |
16.0 |
154.8 |
-10.5 |
-0.5 |
| Deviation |
17.5 |
4.9 |
7.3 |
0.2 |
853.8 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-138.9 ± 8.3 |
0.0 ± 0.0 |
0.0 ± 0.0 |
109.8 ± 2.0 |
******* ± 337.85 |
-1.26 ± 0.07 |
| VC |
-206.1 ± 13.1 |
0.2 ± 0.0 |
0.3 ± 0.0 |
109.8 ± 2.0 |
******* ± 47.15 |
-1.88 ± 0.09 |
| MX1 |
-202.3 ± 13.1 |
7.7 ± 0.1 |
11.0 ± 0.5 |
109.6 ± 2.0 |
-26.29 ± 1.26 |
-1.85 ± 0.09 |
| MX2 |
-202.7 ± 13.0 |
7.8 ± 0.1 |
11.2 ± 0.5 |
109.5 ± 2.0 |
-25.98 ± 1.24 |
-1.85 ± 0.09 |
| MX3 |
-202.1 ± 13.1 |
7.6 ± 0.1 |
10.9 ± 0.5 |
109.6 ± 2.0 |
-26.53 ± 1.28 |
-1.84 ± 0.09 |
| RH8 |
-145.8 ± 8.5 |
8.0 ± 0.1 |
11.5 ± 0.5 |
109.5 ± 2.0 |
-18.25 ± 0.98 |
-1.33 ± 0.07 |
| RH9 |
-151.9 ± 8.7 |
7.8 ± 0.1 |
11.1 ± 0.5 |
109.5 ± 2.0 |
-19.58 ± 0.99 |
-1.39 ± 0.07 |
| RH10 |
-151.9 ± 8.7 |
7.8 ± 0.1 |
11.1 ± 0.5 |
109.5 ± 2.0 |
-19.58 ± 0.99 |
-1.39 ± 0.07 |
| Average |
-175.2 |
5.9 |
8.4 |
109.6 |
-880.9 |
-1.6 |
| Median |
-151.9 |
7.8 |
11.1 |
109.6 |
-26.0 |
-1.4 |
| Deviation |
30.3 |
3.5 |
5.1 |
0.1 |
2060.5 |
0.3 |
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)
| 
