Database: Wind Shock Analysis
Event ID: 20150840911
Observation time: 03/25/2015 84.38332 0911 [UT]
|
|
General
Information (About, Top)
| Year |
2015 |
| Fractional day of year |
84.383316 |
| Arrival time of shock [seconds of day] |
33118.5 ± 60.0 |
| Shock type |
NN |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
258.561 |
| Y GSE location of spacecraft [Re] |
29.785 |
| Z GSE location of spacecraft [Re] |
15.387 |
| Upstream plasma points selected for analysis |
0004 |
| Upstream field points selected for analysis |
0127 |
| Downstream plasma points selected for analysis |
0005
|
| Downstream field points selected for analysis |
0166 |
| Minimum chisq/dof for RH8,RH9,RH10 |
1.35, 2.00, 2.32 |
Event added to database
|
Thu Jan 28 14:13:25 2016
|
Event last processed
|
Tue May 17 16:35:24 2016
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
46.636 ± 17.114
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-519.9 ± 8.6 |
-554.5 ± 6.3 |
| Vy GSE [km/s] |
-42.1 ± 8.4 |
5.0 ± 5.4 |
| Vz GSE [km/s] |
25.0 ± 10.6 |
9.5 ± 3.2 |
| Wi [km/s] |
34.7 ± 6.3 |
35.4 ± 2.2 |
| We [km/s] |
1097.8 ± 198.7 |
1118.8 ± 69.0 |
| Ni [n/cc] |
2.9 ± 0.2 |
9.8 ± 1.5 |
| Bx GSE [nT] |
-3.4 ± 0.6 |
-1.3 ± 1.9 |
| By GSE [nT] |
5.5 ± 0.8 |
-2.7 ± 1.4 |
| Bz GSE [nT] |
-1.4 ± 0.9 |
-2.1 ± 0.9 |
Plasma Beta
|
0.171 ± 0.136
|
1.865 ± 1.484
|
Sound Speed [km/s]
|
44.82 ± 8.11
|
45.67 ± 2.82
|
Alfven Speed [km/s]
|
87.13 ± 6.16
|
30.05 ± 9.46
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.708 ± 0.102 |
-0.115 ± 0.206 |
-0.697 ± 0.553 |
-44.20 ± 8.00 |
189.22 ± 16.66 |
| VC |
-0.573 ± 0.136 |
0.782 ± 0.102 |
-0.244 ± 0.239 |
-14.15 ± 8.19 |
126.22 ± 9.81 |
| MX1 |
-0.906 ± 0.206 |
-0.261 ± 0.316 |
-0.334 ± 0.321 |
-19.53 ± 33.12 |
196.05 ± 19.72 |
| MX2 |
-0.726 ± 0.075 |
-0.116 ± 0.210 |
-0.678 ± 0.548 |
-42.68 ± 5.71 |
189.12 ± 16.52 |
| MX3 |
-0.747 ± 0.058 |
-0.118 ± 0.215 |
-0.654 ± 0.539 |
-40.87 ± 4.12 |
189.00 ± 16.45 |
| RH08 |
-0.603 ± 0.023 |
-0.226 ± 0.014 |
0.765 ± 0.561 |
49.94 ± 1.82 |
200.56 ± 1.08 |
| RH09 |
-0.603 ± 0.048 |
-0.226 ± 0.028 |
0.765 ± 0.561 |
49.94 ± 3.77 |
200.56 ± 2.06 |
| RH10 |
-0.603 ± 0.053 |
-0.226 ± 0.032 |
0.765 ± 0.561 |
49.94 ± 4.18 |
200.56 ± 2.46 |
| Average |
-0.683 |
-0.063 |
-0.039 |
-1.451 |
186.411 |
| Median |
-0.603 |
-0.118 |
-0.244 |
-14.149 |
196.055 |
| Deviation |
0.112 |
0.347 |
0.686 |
43.902 |
24.896 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
65.3 ± 10.7 |
399.9 ± 2.3 |
3.51 ± 0.66 |
| VC |
10.5 ± 1.1 |
342.4 ± 3.4 |
3.51 ± 0.66 |
| MX1 |
71.2 ± 9.3 |
510.2 ± 2.2 |
3.51 ± 0.66 |
| MX2 |
65.0 ± 10.7 |
410.2 ± 2.4 |
3.51 ± 0.66 |
| MX3 |
64.8 ± 10.7 |
422.1 ± 2.4 |
3.51 ± 0.66 |
| RH08 |
88.0 ± 2.9 |
340.1 ± 0.5 |
3.51 ± 0.66 |
| RH09 |
88.0 ± 2.9 |
340.1 ± 0.5 |
3.51 ± 0.66 |
| RH10 |
88.0 ± 2.9 |
340.1 ± 2.3 |
3.51 ± 0.66 |
| Average |
67.6 |
388.1 |
3.51 |
| Median |
71.2 |
399.9 |
3.51 |
| Deviation |
25.5 |
60.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
44.6 ± 14.0 |
16.7 ± 2.0 |
36.4 ± 2.6 |
96.9 ± 2.6 |
2.74 ± 1.10 |
0.46 ± 0.15 |
| VC |
83.6 ± 6.5 |
43.7 ± 7.6 |
85.7 ± 6.1 |
87.8 ± 5.7 |
1.97 ± 0.43 |
0.95 ± 0.03 |
| MX1 |
36.7 ± 12.7 |
12.8 ± 1.5 |
28.1 ± 2.0 |
97.5 ± 2.5 |
2.94 ± 1.26 |
0.38 ± 0.14 |
| MX2 |
44.8 ± 13.9 |
16.9 ± 2.0 |
36.8 ± 2.6 |
96.9 ± 2.6 |
2.73 ± 1.09 |
0.46 ± 0.15 |
| MX3 |
45.1 ± 13.9 |
17.1 ± 2.1 |
37.1 ± 2.6 |
96.8 ± 2.6 |
2.72 ± 1.07 |
0.47 ± 0.15 |
| RH8 |
-1.9 ± 3.1 |
1.4 ± 0.2 |
3.0 ± 0.2 |
98.3 ± 2.4 |
-1.57 ± 2.37 |
-0.02 ± 0.03 |
| RH9 |
-1.9 ± 3.1 |
1.4 ± 0.2 |
3.0 ± 0.2 |
98.3 ± 2.4 |
-1.57 ± 2.37 |
-0.02 ± 0.03 |
| RH10 |
-1.9 ± 3.1 |
1.4 ± 0.2 |
3.0 ± 0.2 |
98.3 ± 2.4 |
-1.57 ± 2.37 |
-0.02 ± 0.03 |
| Average |
31.1 |
13.9 |
29.1 |
96.4 |
1.0 |
0.3 |
| Median |
44.6 |
16.7 |
36.4 |
97.5 |
2.7 |
0.5 |
| Deviation |
30.7 |
14.1 |
27.8 |
3.5 |
2.2 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
14.7 ± 6.2 |
10.4 ± 2.3 |
12.6 ± 4.0 |
54.2 ± 4.3 |
1.45 ± 0.60 |
0.27 ± 0.13 |
| VC |
23.1 ± 7.4 |
28.8 ± 8.5 |
29.5 ± 9.3 |
46.6 ± 2.7 |
0.88 ± 0.37 |
0.50 ± 0.18 |
| MX1 |
12.4 ± 6.0 |
7.9 ± 1.8 |
9.7 ± 3.1 |
54.6 ± 4.4 |
1.59 ± 0.73 |
0.23 ± 0.12 |
| MX2 |
14.7 ± 6.2 |
10.5 ± 2.3 |
12.7 ± 4.0 |
54.2 ± 4.3 |
1.43 ± 0.60 |
0.27 ± 0.13 |
| MX3 |
14.7 ± 6.3 |
10.6 ± 2.4 |
12.8 ± 4.0 |
54.2 ± 4.3 |
1.42 ± 0.60 |
0.27 ± 0.13 |
| RH8 |
-0.2 ± 1.4 |
0.8 ± 0.2 |
1.0 ± 0.3 |
55.2 ± 4.6 |
-0.37 ± 1.75 |
-0.00 ± 0.03 |
| RH9 |
-0.2 ± 1.4 |
0.8 ± 0.2 |
1.0 ± 0.3 |
55.2 ± 4.6 |
-0.37 ± 1.75 |
-0.00 ± 0.03 |
| RH10 |
-0.2 ± 1.4 |
0.8 ± 0.2 |
1.0 ± 0.3 |
55.2 ± 4.6 |
-0.37 ± 1.75 |
-0.00 ± 0.03 |
| Average |
9.9 |
8.8 |
10.1 |
53.7 |
0.7 |
0.2 |
| Median |
14.7 |
10.4 |
12.6 |
54.6 |
1.4 |
0.3 |
| Deviation |
8.9 |
9.2 |
9.6 |
2.9 |
0.9 |
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)
| 
