Database: Wind Shock Analysis
Event ID: 20151060536
Observation time: 04/16/2015 106.23339 0536 [UT]
|
|
General
Information (About, Top)
| Year |
2015 |
| Fractional day of year |
106.233385 |
| Arrival time of shock [seconds of day] |
20164.5 ± 60.0 |
| Shock type |
NN |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
257.577 |
| Y GSE location of spacecraft [Re] |
-44.928 |
| Z GSE location of spacecraft [Re] |
18.102 |
| Upstream plasma points selected for analysis |
0004 |
| Upstream field points selected for analysis |
0145 |
| Downstream plasma points selected for analysis |
0005
|
| Downstream field points selected for analysis |
0170 |
| Minimum chisq/dof for RH8,RH9,RH10 |
20.78, 28.86, 32.95 |
Event added to database
|
Thu Jan 28 14:26:56 2016
|
Event last processed
|
Tue May 17 16:43:59 2016
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
61.161 ± 4.959
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-532.6 ± 4.0 |
-588.1 ± 3.0 |
| Vy GSE [km/s] |
41.8 ± 4.0 |
11.9 ± 3.2 |
| Vz GSE [km/s] |
-37.7 ± 1.7 |
-29.8 ± 7.9 |
| Wi [km/s] |
63.9 ± 4.9 |
53.8 ± 2.6 |
| We [km/s] |
2019.7 ± 155.2 |
1701.1 ± 81.5 |
| Ni [n/cc] |
4.8 ± 0.3 |
3.0 ± 0.3 |
| Bx GSE [nT] |
4.4 ± 0.4 |
5.2 ± 0.3 |
| By GSE [nT] |
-5.4 ± 0.8 |
-2.5 ± 0.4 |
| Bz GSE [nT] |
-9.1 ± 0.8 |
-4.2 ± 0.4 |
Plasma Beta
|
0.315 ± 0.307
|
0.354 ± 0.344
|
Sound Speed [km/s]
|
82.45 ± 6.33
|
69.45 ± 3.33
|
Alfven Speed [km/s]
|
114.40 ± 4.70
|
90.92 ± 4.80
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.987 ± 0.015 |
0.056 ± 0.173 |
0.151 ± 0.150 |
8.71 ± 4.06 |
176.74 ± 10.04 |
| VC |
-0.873 ± 0.042 |
-0.472 ± 0.075 |
0.120 ± 0.119 |
6.89 ± 6.46 |
208.41 ± 4.93 |
| MX1 |
-0.896 ± 0.029 |
-0.314 ± 0.077 |
0.313 ± 0.303 |
18.26 ± 2.11 |
199.30 ± 4.93 |
| MX2 |
-0.921 ± 0.019 |
-0.256 ± 0.058 |
0.294 ± 0.285 |
17.07 ± 2.00 |
195.52 ± 3.60 |
| MX3 |
-0.872 ± 0.045 |
-0.362 ± 0.104 |
0.330 ± 0.317 |
19.24 ± 2.36 |
202.53 ± 6.85 |
| RH08 |
-0.570 ± 0.028 |
0.747 ± 0.021 |
-0.341 ± 0.327 |
-19.92 ± 1.00 |
127.35 ± 2.10 |
| RH09 |
-0.991 ± 0.010 |
-0.043 ± 0.070 |
0.128 ± 0.128 |
7.38 ± 4.01 |
182.51 ± 4.07 |
| RH10 |
-0.992 ± 0.009 |
-0.043 ± 0.070 |
0.117 ± 0.117 |
6.74 ± 4.01 |
182.51 ± 4.07 |
| Average |
-0.888 |
-0.086 |
0.139 |
8.046 |
184.360 |
| Median |
-0.896 |
-0.043 |
0.151 |
8.707 |
195.520 |
| Deviation |
0.138 |
0.383 |
0.214 |
12.521 |
25.555 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
58.2 ± 2.2 |
436.6 ± 5.8 |
0.64 ± 0.04 |
| VC |
77.8 ± 0.6 |
339.3 ± 6.6 |
0.64 ± 0.04 |
| MX1 |
63.4 ± 0.6 |
352.7 ± 6.2 |
0.64 ± 0.04 |
| MX2 |
62.1 ± 0.3 |
370.7 ± 6.2 |
0.64 ± 0.04 |
| MX3 |
64.6 ± 1.0 |
336.2 ± 6.2 |
0.64 ± 0.04 |
| RH08 |
72.5 ± 6.1 |
342.3 ± 2.6 |
0.64 ± 0.04 |
| RH09 |
62.4 ± 1.8 |
431.1 ± 6.1 |
0.64 ± 0.04 |
| RH10 |
62.9 ± 1.8 |
432.3 ± 26.5 |
0.64 ± 0.04 |
| Average |
65.5 |
380.1 |
0.64 |
| Median |
63.4 |
370.7 |
0.64 |
| Deviation |
6.4 |
45.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-85.7 ± 4.2 |
36.4 ± 1.9 |
60.3 ± 2.5 |
136.3 ± 4.8 |
-2.35 ± 0.09 |
-0.63 ± 0.03 |
| VC |
-101.5 ± 3.0 |
14.2 ± 0.7 |
24.2 ± 1.0 |
140.4 ± 5.0 |
-7.16 ± 0.39 |
-0.72 ± 0.03 |
| MX1 |
-99.7 ± 3.4 |
30.6 ± 1.6 |
51.2 ± 2.1 |
137.8 ± 4.9 |
-3.27 ± 0.16 |
-0.72 ± 0.03 |
| MX2 |
-98.1 ± 3.6 |
32.1 ± 1.7 |
53.6 ± 2.2 |
137.4 ± 4.9 |
-3.06 ± 0.14 |
-0.71 ± 0.03 |
| MX3 |
-100.7 ± 3.3 |
29.2 ± 1.5 |
49.0 ± 2.0 |
138.1 ± 4.9 |
-3.45 ± 0.18 |
-0.73 ± 0.03 |
| RH8 |
-5.6 ± 4.3 |
20.3 ± 1.0 |
34.4 ± 1.4 |
139.7 ± 5.0 |
-0.27 ± 0.21 |
-0.04 ± 0.03 |
| RH9 |
-89.9 ± 4.0 |
31.8 ± 1.7 |
53.1 ± 2.2 |
137.5 ± 4.9 |
-2.83 ± 0.11 |
-0.65 ± 0.03 |
| RH10 |
-89.8 ± 4.0 |
31.2 ± 1.6 |
52.1 ± 2.1 |
137.6 ± 4.9 |
-2.88 ± 0.11 |
-0.65 ± 0.03 |
| Average |
-83.9 |
28.2 |
47.2 |
138.1 |
-3.2 |
-0.6 |
| Median |
-89.9 |
31.2 |
52.1 |
137.8 |
-2.9 |
-0.7 |
| Deviation |
32.2 |
7.3 |
11.9 |
1.3 |
1.9 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-140.0 ± 4.1 |
30.1 ± 1.0 |
47.9 ± 2.5 |
110.5 ± 3.6 |
-4.65 ± 0.15 |
-1.27 ± 0.01 |
| VC |
-165.0 ± 3.1 |
11.7 ± 0.4 |
19.3 ± 1.0 |
113.9 ± 3.6 |
-14.08 ± 0.50 |
-1.45 ± 0.03 |
| MX1 |
-161.3 ± 4.5 |
25.3 ± 0.8 |
40.7 ± 2.1 |
111.7 ± 3.6 |
-6.39 ± 0.22 |
-1.45 ± 0.02 |
| MX2 |
-159.2 ± 4.5 |
26.5 ± 0.8 |
42.6 ± 2.2 |
111.4 ± 3.6 |
-6.01 ± 0.20 |
-1.43 ± 0.02 |
| MX3 |
-162.5 ± 4.5 |
24.2 ± 0.8 |
39.0 ± 2.1 |
111.9 ± 3.6 |
-6.73 ± 0.23 |
-1.45 ± 0.02 |
| RH8 |
-12.2 ± 1.4 |
16.7 ± 0.5 |
27.3 ± 1.4 |
113.3 ± 3.6 |
-0.73 ± 0.07 |
-0.11 ± 0.01 |
| RH9 |
-147.2 ± 3.8 |
26.3 ± 0.8 |
42.2 ± 2.2 |
111.4 ± 3.6 |
-5.61 ± 0.18 |
-1.32 ± 0.02 |
| RH10 |
-147.1 ± 3.7 |
25.8 ± 0.8 |
41.4 ± 2.2 |
111.5 ± 3.6 |
-5.71 ± 0.18 |
-1.32 ± 0.02 |
| Average |
-136.8 |
23.3 |
37.5 |
111.9 |
-6.2 |
-1.2 |
| Median |
-147.2 |
25.8 |
41.4 |
111.7 |
-5.7 |
-1.3 |
| Deviation |
51.1 |
6.0 |
9.4 |
1.1 |
3.7 |
0.5 |
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)
| 
