Database: Wind Shock Analysis
Event ID: 20151560831
Observation time: 06/05/2015 156.35495 0831 [UT]
|
|
General
Information (About, Top)
| Year |
2015 |
| Fractional day of year |
156.354948 |
| Arrival time of shock [seconds of day] |
30667.5 ± 130.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
208.161 |
| Y GSE location of spacecraft [Re] |
-84.126 |
| Z GSE location of spacecraft [Re] |
-2.083 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0166 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0203 |
| Minimum chisq/dof for RH8,RH9,RH10 |
17.27, 36.93, 40.77 |
Event added to database
|
Thu Jan 28 16:59:07 2016
|
Event last processed
|
Tue May 17 16:55:44 2016
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
70.273 ± 1.287
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-276.8 ± 1.3 |
-292.0 ± 0.7 |
| Vy GSE [km/s] |
0.6 ± 1.4 |
0.8 ± 0.3 |
| Vz GSE [km/s] |
-8.4 ± 1.1 |
-11.3 ± 1.1 |
| Wi [km/s] |
19.8 ± 0.4 |
21.7 ± 0.3 |
| We [km/s] |
626.8 ± 13.2 |
687.2 ± 9.8 |
| Ni [n/cc] |
6.7 ± 0.2 |
9.5 ± 0.2 |
| Bx GSE [nT] |
-0.4 ± 0.4 |
0.6 ± 0.3 |
| By GSE [nT] |
1.2 ± 0.5 |
3.0 ± 0.1 |
| Bz GSE [nT] |
2.2 ± 0.2 |
1.6 ± 0.3 |
Plasma Beta
|
0.827 ± 0.857
|
0.779 ± 0.767
|
Sound Speed [km/s]
|
25.59 ± 0.54
|
28.05 ± 0.40
|
Alfven Speed [km/s]
|
21.81 ± 0.40
|
24.67 ± 0.81
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.713 ± 0.615 |
0.374 ± 0.774 |
0.594 ± 0.511 |
36.42 ± 52.31 |
152.31 ± 58.88 |
| VC |
-0.982 ± 0.018 |
0.014 ± 0.083 |
-0.187 ± 0.184 |
-10.75 ± 5.48 |
179.19 ± 4.85 |
| MX1 |
-0.971 ± 0.198 |
0.238 ± 0.801 |
0.031 ± 0.031 |
1.78 ± 50.69 |
166.22 ± 47.28 |
| MX2 |
-0.892 ± 0.099 |
0.451 ± 0.196 |
0.026 ± 0.026 |
1.48 ± 9.92 |
153.19 ± 12.60 |
| MX3 |
-0.890 ± 0.061 |
0.336 ± 0.153 |
-0.309 ± 0.299 |
-17.99 ± 3.98 |
159.32 ± 9.86 |
| RH08 |
-0.987 ± 0.003 |
0.113 ± 0.021 |
-0.117 ± 0.117 |
-6.74 ± 0.85 |
173.48 ± 1.20 |
| RH09 |
-0.743 ± 0.047 |
0.513 ± 0.060 |
-0.430 ± 0.401 |
-25.48 ± 4.00 |
145.40 ± 4.41 |
| RH10 |
-0.780 ± 0.044 |
0.518 ± 0.060 |
-0.352 ± 0.337 |
-20.61 ± 4.02 |
146.41 ± 4.30 |
| Average |
-0.870 |
0.319 |
-0.093 |
-5.236 |
159.440 |
| Median |
-0.890 |
0.374 |
-0.117 |
-6.737 |
159.319 |
| Deviation |
0.111 |
0.185 |
0.325 |
19.533 |
12.479 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
38.7 ± 6.9 |
223.8 ± 0.5 |
1.41 ± 0.06 |
| VC |
89.4 ± 8.1 |
326.5 ± 0.6 |
1.41 ± 0.06 |
| MX1 |
73.9 ± 7.3 |
319.1 ± 0.5 |
1.41 ± 0.06 |
| MX2 |
69.0 ± 6.6 |
294.5 ± 0.6 |
1.41 ± 0.06 |
| MX3 |
88.8 ± 6.7 |
299.0 ± 0.7 |
1.41 ± 0.06 |
| RH08 |
84.5 ± 7.7 |
326.9 ± 0.6 |
1.41 ± 0.06 |
| RH09 |
88.8 ± 7.0 |
253.5 ± 0.8 |
1.41 ± 0.06 |
| RH10 |
87.0 ± 6.9 |
264.3 ± 4.5 |
1.41 ± 0.06 |
| Average |
77.5 |
288.5 |
1.41 |
| Median |
87.0 |
299.0 |
1.41 |
| Deviation |
17.4 |
37.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
31.4 ± 0.9 |
14.3 ± 0.2 |
17.0 ± 0.3 |
30.4 ± 0.4 |
2.19 ± 0.08 |
1.03 ± 0.04 |
| VC |
53.0 ± 1.2 |
0.2 ± 0.0 |
0.2 ± 0.0 |
33.6 ± 0.4 |
318.57 ± 10.28 |
1.58 ± 0.05 |
| MX1 |
50.6 ± 1.2 |
4.6 ± 0.0 |
6.0 ± 0.1 |
33.3 ± 0.4 |
10.90 ± 0.35 |
1.52 ± 0.05 |
| MX2 |
47.5 ± 1.1 |
6.1 ± 0.1 |
7.8 ± 0.1 |
33.1 ± 0.4 |
7.84 ± 0.25 |
1.44 ± 0.04 |
| MX3 |
50.0 ± 1.2 |
0.4 ± 0.0 |
0.5 ± 0.0 |
33.6 ± 0.4 |
140.80 ± 4.46 |
1.49 ± 0.04 |
| RH8 |
52.7 ± 1.2 |
1.6 ± 0.0 |
2.1 ± 0.0 |
33.6 ± 0.4 |
33.34 ± 1.07 |
1.57 ± 0.05 |
| RH9 |
43.9 ± 1.3 |
0.3 ± 0.0 |
0.5 ± 0.0 |
33.6 ± 0.4 |
125.58 ± 4.40 |
1.31 ± 0.04 |
| RH10 |
45.2 ± 1.3 |
0.9 ± 0.0 |
1.2 ± 0.0 |
33.6 ± 0.4 |
51.25 ± 1.74 |
1.34 ± 0.04 |
| Average |
46.8 |
3.5 |
4.4 |
33.1 |
86.3 |
1.4 |
| Median |
50.0 |
1.6 |
2.1 |
33.6 |
51.2 |
1.5 |
| Deviation |
7.0 |
4.9 |
5.8 |
1.1 |
107.8 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
22.2 ± 1.1 |
16.0 ± 0.3 |
19.3 ± 0.6 |
33.8 ± 0.5 |
1.39 ± 0.05 |
0.66 ± 0.03 |
| VC |
37.5 ± 0.5 |
0.2 ± 0.0 |
0.2 ± 0.0 |
37.4 ± 0.6 |
202.05 ± 2.83 |
1.00 ± 0.01 |
| MX1 |
35.8 ± 0.7 |
5.2 ± 0.1 |
6.8 ± 0.2 |
37.0 ± 0.6 |
6.92 ± 0.09 |
0.97 ± 0.01 |
| MX2 |
33.9 ± 0.7 |
6.8 ± 0.1 |
8.9 ± 0.3 |
36.7 ± 0.6 |
5.01 ± 0.07 |
0.92 ± 0.01 |
| MX3 |
35.5 ± 0.4 |
0.4 ± 0.0 |
0.5 ± 0.0 |
37.4 ± 0.6 |
89.58 ± 1.46 |
0.95 ± 0.01 |
| RH8 |
37.3 ± 0.6 |
1.8 ± 0.0 |
2.3 ± 0.1 |
37.3 ± 0.6 |
21.16 ± 0.28 |
1.00 ± 0.01 |
| RH9 |
31.3 ± 0.4 |
0.4 ± 0.0 |
0.5 ± 0.0 |
37.4 ± 0.6 |
80.14 ± 1.67 |
0.84 ± 0.01 |
| RH10 |
32.2 ± 0.4 |
1.0 ± 0.0 |
1.3 ± 0.0 |
37.4 ± 0.6 |
32.74 ± 0.60 |
0.86 ± 0.01 |
| Average |
33.2 |
4.0 |
5.0 |
36.8 |
54.9 |
0.9 |
| Median |
35.5 |
1.8 |
2.3 |
37.4 |
32.7 |
0.9 |
| Deviation |
5.0 |
5.4 |
6.6 |
1.2 |
68.4 |
0.1 |
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)
| 
