Database: Wind Shock Analysis
Event ID: 20152940954
Observation time: 10/21/2015 294.41314 0954 [UT]
|
|
General
Information (About, Top)
| Year |
2015 |
| Fractional day of year |
294.413142 |
| Arrival time of shock [seconds of day] |
35695.5 ± 100.0 |
| Shock type |
NN |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
248.993 |
| Y GSE location of spacecraft [Re] |
-64.724 |
| Z GSE location of spacecraft [Re] |
16.253 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0163 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0221 |
| Minimum chisq/dof for RH8,RH9,RH10 |
1.92, 12.66, 13.28 |
Event added to database
|
Mon Feb 1 15:57:06 2016
|
Event last processed
|
Tue May 17 17:15:31 2016
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
60.571 ± 1.342
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-398.0 ± 1.5 |
-422.2 ± 4.3 |
| Vy GSE [km/s] |
16.5 ± 4.4 |
61.2 ± 4.4 |
| Vz GSE [km/s] |
-4.0 ± 2.6 |
6.3 ± 8.7 |
| Wi [km/s] |
27.3 ± 0.8 |
58.3 ± 1.7 |
| We [km/s] |
862.8 ± 25.3 |
1843.7 ± 54.5 |
| Ni [n/cc] |
36.3 ± 0.7 |
7.2 ± 0.5 |
| Bx GSE [nT] |
-1.0 ± 0.7 |
3.9 ± 0.5 |
| By GSE [nT] |
0.9 ± 1.4 |
-10.2 ± 1.1 |
| Bz GSE [nT] |
-7.4 ± 0.4 |
3.3 ± 3.1 |
Plasma Beta
|
0.964 ± 0.976
|
0.370 ± 0.364
|
Sound Speed [km/s]
|
35.22 ± 1.03
|
75.27 ± 2.23
|
Alfven Speed [km/s]
|
27.83 ± 0.88
|
96.24 ± 4.23
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.246 ± 0.357 |
0.658 ± 0.249 |
0.711 ± 0.556 |
45.35 ± 18.23 |
110.48 ± 30.29 |
| VC |
-0.467 ± 0.054 |
0.865 ± 0.037 |
0.182 ± 0.180 |
10.49 ± 8.55 |
118.35 ± 3.45 |
| MX1 |
-0.283 ± 0.119 |
0.600 ± 0.125 |
0.748 ± 0.561 |
48.43 ± 9.72 |
115.24 ± 10.13 |
| MX2 |
-0.760 ± 0.392 |
0.418 ± 0.564 |
0.498 ± 0.452 |
29.85 ± 32.93 |
151.18 ± 41.23 |
| MX3 |
-0.359 ± 0.125 |
0.563 ± 0.125 |
0.744 ± 0.561 |
48.09 ± 9.54 |
122.50 ± 10.80 |
| RH08 |
-0.954 ± 0.007 |
-0.283 ± 0.022 |
0.095 ± 0.095 |
5.45 ± 1.37 |
196.55 ± 1.30 |
| RH09 |
-0.930 ± 0.025 |
-0.367 ± 0.063 |
0.028 ± 0.028 |
1.60 ± 4.06 |
201.56 ± 3.91 |
| RH10 |
-0.930 ± 0.025 |
-0.367 ± 0.063 |
0.028 ± 0.028 |
1.60 ± 4.06 |
201.56 ± 3.91 |
| Average |
-0.616 |
0.261 |
0.379 |
23.858 |
152.177 |
| Median |
-0.467 |
0.563 |
0.498 |
29.853 |
151.176 |
| Deviation |
0.309 |
0.513 |
0.330 |
21.371 |
41.360 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
54.4 ± 8.8 |
94.3 ± 0.8 |
0.20 ± 0.02 |
| VC |
89.4 ± 8.0 |
185.2 ± 0.8 |
0.20 ± 0.02 |
| MX1 |
51.7 ± 8.4 |
108.4 ± 0.8 |
0.20 ± 0.02 |
| MX2 |
70.6 ± 4.4 |
296.1 ± 0.6 |
0.20 ± 0.02 |
| MX3 |
52.5 ± 7.7 |
137.9 ± 0.8 |
0.20 ± 0.02 |
| RH08 |
90.0 ± 6.7 |
372.1 ± 0.3 |
0.20 ± 0.02 |
| RH09 |
87.0 ± 7.5 |
362.8 ± 0.4 |
0.20 ± 0.02 |
| RH10 |
87.0 ± 7.5 |
362.8 ± 2.2 |
0.20 ± 0.02 |
| Average |
72.8 |
240.0 |
0.20 |
| Median |
87.0 |
296.1 |
0.20 |
| Deviation |
17.6 |
121.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-11.5 ± 3.9 |
13.3 ± 0.3 |
16.2 ± 0.5 |
42.9 ± 0.9 |
-0.87 ± 0.31 |
-0.27 ± 0.10 |
| VC |
-14.1 ± 4.2 |
0.2 ± 0.0 |
0.3 ± 0.0 |
44.9 ± 0.9 |
-60.83 ± 19.28 |
-0.32 ± 0.10 |
| MX1 |
-11.1 ± 3.7 |
14.3 ± 0.3 |
17.2 ± 0.5 |
42.6 ± 0.9 |
-0.78 ± 0.28 |
-0.26 ± 0.09 |
| MX2 |
-11.1 ± 2.7 |
7.3 ± 0.2 |
9.2 ± 0.3 |
44.3 ± 0.9 |
-1.52 ± 0.40 |
-0.25 ± 0.07 |
| MX3 |
-11.2 ± 3.6 |
14.0 ± 0.3 |
17.0 ± 0.5 |
42.7 ± 0.9 |
-0.80 ± 0.27 |
-0.26 ± 0.09 |
| RH8 |
-2.6 ± 1.5 |
0.0 ± 0.0 |
0.0 ± 0.0 |
44.9 ± 0.9 |
******* ± 2990.11 |
-0.06 ± 0.03 |
| RH9 |
-1.0 ± 1.8 |
1.1 ± 0.0 |
1.4 ± 0.0 |
44.9 ± 0.9 |
-0.92 ± 1.57 |
-0.02 ± 0.04 |
| RH10 |
-1.0 ± 1.8 |
1.1 ± 0.0 |
1.4 ± 0.0 |
44.9 ± 0.9 |
-0.92 ± 1.57 |
-0.02 ± 0.04 |
| Average |
-8.0 |
6.4 |
7.9 |
44.0 |
-675.4 |
-0.2 |
| Median |
-11.1 |
7.3 |
9.2 |
44.9 |
-0.9 |
-0.3 |
| Deviation |
5.4 |
6.6 |
8.0 |
1.1 |
1883.4 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-54.2 ± 9.8 |
36.1 ± 0.5 |
56.0 ± 2.5 |
116.8 ± 2.6 |
-1.50 ± 0.26 |
-0.46 ± 0.08 |
| VC |
-66.0 ± 7.1 |
0.6 ± 0.0 |
1.0 ± 0.0 |
122.2 ± 2.6 |
-104.15 ± 10.57 |
-0.54 ± 0.05 |
| MX1 |
-52.5 ± 10.1 |
38.7 ± 0.5 |
59.6 ± 2.6 |
116.0 ± 2.6 |
-1.36 ± 0.25 |
-0.45 ± 0.08 |
| MX2 |
-53.4 ± 9.2 |
19.9 ± 0.3 |
32.0 ± 1.4 |
120.6 ± 2.6 |
-2.68 ± 0.44 |
-0.44 ± 0.07 |
| MX3 |
-52.7 ± 10.2 |
38.0 ± 0.5 |
58.7 ± 2.6 |
116.2 ± 2.6 |
-1.39 ± 0.26 |
-0.45 ± 0.08 |
| RH8 |
-14.0 ± 3.9 |
0.0 ± 0.0 |
0.0 ± 0.0 |
122.2 ± 2.6 |
******* ± 2852.61 |
-0.11 ± 0.03 |
| RH9 |
-7.4 ± 3.0 |
3.1 ± 0.0 |
5.0 ± 0.2 |
122.2 ± 2.6 |
-2.40 ± 0.96 |
-0.06 ± 0.02 |
| RH10 |
-7.4 ± 3.0 |
3.1 ± 0.0 |
5.0 ± 0.2 |
122.2 ± 2.6 |
-2.40 ± 0.96 |
-0.06 ± 0.02 |
| Average |
-38.5 |
17.4 |
27.2 |
119.8 |
-1331.9 |
-0.3 |
| Median |
-52.5 |
19.9 |
32.0 |
122.2 |
-2.4 |
-0.4 |
| Deviation |
24.4 |
17.8 |
27.5 |
2.9 |
3720.5 |
0.2 |
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)
| 
