Database: Wind Shock Analysis
Event ID: 20150841943
Observation time: 03/25/2015 84.82196 1943 [UT]
|
|
General
Information (About, Top)
| Year |
2015 |
| Fractional day of year |
84.821962 |
| Arrival time of shock [seconds of day] |
71017.5 ± 50.0 |
| Shock type |
NN |
| Electron data availability |
0 |
| X GSE location of spacecraft [Re] |
258.723 |
| Y GSE location of spacecraft [Re] |
28.356 |
| Z GSE location of spacecraft [Re] |
15.513 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0153 |
| Downstream plasma points selected for analysis |
0006
|
| Downstream field points selected for analysis |
0203 |
| Minimum chisq/dof for RH8,RH9,RH10 |
4.57, 9.05, 10.23 |
Event added to database
|
Thu Jan 28 14:15:21 2016
|
Event last processed
|
Tue May 17 16:37:34 2016
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
59.405 ± 19.457
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-560.9 ± 2.0 |
-528.5 ± 1.4 |
| Vy GSE [km/s] |
13.9 ± 0.3 |
3.5 ± 8.7 |
| Vz GSE [km/s] |
-11.4 ± 1.3 |
-20.5 ± 2.3 |
| Wi [km/s] |
40.7 ± 1.3 |
49.2 ± 2.7 |
| We [km/s] |
1287.8 ± 40.5 |
1557.2 ± 85.6 |
| Ni [n/cc] |
6.9 ± 0.5 |
3.7 ± 0.1 |
| Bx GSE [nT] |
0.7 ± 0.6 |
-4.5 ± 0.1 |
| By GSE [nT] |
2.5 ± 0.2 |
1.0 ± 0.5 |
| Bz GSE [nT] |
0.3 ± 0.2 |
0.8 ± 0.1 |
Plasma Beta
|
3.463 ± 3.498
|
0.833 ± 0.788
|
Sound Speed [km/s]
|
52.57 ± 1.65
|
63.57 ± 3.49
|
Alfven Speed [km/s]
|
21.96 ± 1.38
|
54.06 ± 0.88
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.254 ± 0.083 |
0.945 ± 0.027 |
0.207 ± 0.204 |
11.97 ± 4.49 |
105.04 ± 5.05 |
| VC |
-0.924 ± 0.071 |
0.289 ± 0.221 |
0.251 ± 0.246 |
14.55 ± 3.62 |
162.63 ± 13.68 |
| MX1 |
-0.248 ± 0.083 |
0.937 ± 0.029 |
0.247 ± 0.241 |
14.28 ± 4.64 |
104.80 ± 5.05 |
| MX2 |
-0.192 ± 0.114 |
0.863 ± 0.166 |
0.468 ± 0.430 |
27.88 ± 20.58 |
102.57 ± 7.19 |
| MX3 |
-0.229 ± 0.079 |
0.910 ± 0.048 |
0.344 ± 0.330 |
20.13 ± 7.50 |
104.13 ± 4.92 |
| RH08 |
-0.139 ± 0.005 |
0.158 ± 0.005 |
-0.978 ± 0.286 |
-77.86 ± 0.00 |
131.36 ± 1.88 |
| RH09 |
-0.142 ± 0.058 |
0.155 ± 0.059 |
-0.978 ± 0.286 |
-77.86 ± 3.65 |
132.37 ± 14.99 |
| RH10 |
-0.142 ± 0.059 |
0.155 ± 0.059 |
-0.978 ± 0.286 |
-77.86 ± 3.65 |
132.37 ± 15.05 |
| Average |
-0.284 |
0.552 |
-0.177 |
-18.098 |
121.910 |
| Median |
-0.192 |
0.863 |
0.247 |
14.276 |
131.365 |
| Deviation |
0.263 |
0.390 |
0.668 |
49.727 |
21.494 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
30.9 ± 12.3 |
178.0 ± 1.6 |
0.53 ± 0.05 |
| VC |
86.4 ± 12.2 |
559.3 ± 0.7 |
0.53 ± 0.05 |
| MX1 |
31.0 ± 11.9 |
173.8 ± 1.6 |
0.53 ± 0.05 |
| MX2 |
34.5 ± 8.9 |
137.7 ± 1.5 |
0.53 ± 0.05 |
| MX3 |
32.2 ± 10.7 |
161.7 ± 1.6 |
0.53 ± 0.05 |
| RH08 |
89.0 ± 5.4 |
88.2 ± 0.6 |
0.53 ± 0.05 |
| RH09 |
88.8 ± 5.4 |
89.8 ± 0.6 |
0.53 ± 0.05 |
| RH10 |
88.8 ± 5.4 |
89.8 ± 3.1 |
0.53 ± 0.05 |
| Average |
60.2 |
184.8 |
0.53 |
| Median |
86.4 |
161.7 |
0.53 |
| Deviation |
30.0 |
156.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
24.9 ± 0.8 |
18.4 ± 1.1 |
18.9 ± 1.2 |
53.9 ± 1.7 |
1.36 ± 0.06 |
0.46 ± 0.01 |
| VC |
40.0 ± 2.1 |
1.3 ± 0.1 |
1.4 ± 0.1 |
57.0 ± 1.8 |
31.48 ± 1.52 |
0.70 ± 0.04 |
| MX1 |
24.7 ± 0.8 |
18.3 ± 1.1 |
18.8 ± 1.2 |
54.0 ± 1.7 |
1.35 ± 0.06 |
0.46 ± 0.01 |
| MX2 |
23.2 ± 0.9 |
17.6 ± 1.0 |
18.1 ± 1.1 |
54.2 ± 1.7 |
1.32 ± 0.06 |
0.43 ± 0.02 |
| MX3 |
24.4 ± 0.9 |
18.1 ± 1.1 |
18.6 ± 1.2 |
54.0 ± 1.7 |
1.35 ± 0.06 |
0.45 ± 0.02 |
| RH8 |
-3.0 ± 1.1 |
0.4 ± 0.0 |
0.4 ± 0.0 |
57.0 ± 1.8 |
-8.16 ± 3.06 |
-0.05 ± 0.02 |
| RH9 |
-2.9 ± 1.1 |
0.4 ± 0.0 |
0.5 ± 0.0 |
57.0 ± 1.8 |
-6.89 ± 2.61 |
-0.05 ± 0.02 |
| RH10 |
-2.9 ± 1.1 |
0.4 ± 0.0 |
0.5 ± 0.0 |
57.0 ± 1.8 |
-6.89 ± 2.61 |
-0.05 ± 0.02 |
| Average |
16.0 |
9.4 |
9.6 |
55.5 |
1.9 |
0.3 |
| Median |
24.4 |
17.6 |
18.1 |
57.0 |
1.3 |
0.5 |
| Deviation |
16.6 |
9.3 |
9.6 |
1.6 |
12.7 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
44.8 ± 8.2 |
40.3 ± 0.7 |
46.4 ± 0.8 |
73.1 ± 2.6 |
1.11 ± 0.22 |
0.62 ± 0.13 |
| VC |
75.2 ± 2.3 |
2.6 ± 0.1 |
3.4 ± 0.1 |
83.4 ± 2.6 |
29.11 ± 1.36 |
0.90 ± 0.05 |
| MX1 |
44.7 ± 8.2 |
40.2 ± 0.7 |
46.3 ± 0.8 |
73.1 ± 2.6 |
1.11 ± 0.22 |
0.61 ± 0.13 |
| MX2 |
42.6 ± 7.8 |
38.1 ± 0.7 |
44.5 ± 0.7 |
74.3 ± 2.6 |
1.12 ± 0.22 |
0.58 ± 0.12 |
| MX3 |
44.4 ± 8.1 |
39.6 ± 0.7 |
45.8 ± 0.7 |
73.5 ± 2.6 |
1.12 ± 0.22 |
0.61 ± 0.13 |
| RH8 |
-5.8 ± 2.2 |
0.7 ± 0.0 |
1.0 ± 0.0 |
83.5 ± 2.6 |
-7.72 ± 2.96 |
-0.07 ± 0.03 |
| RH9 |
-5.6 ± 2.2 |
0.9 ± 0.0 |
1.1 ± 0.0 |
83.5 ± 2.6 |
-6.49 ± 2.54 |
-0.07 ± 0.03 |
| RH10 |
-5.6 ± 2.2 |
0.9 ± 0.0 |
1.1 ± 0.0 |
83.5 ± 2.6 |
-6.49 ± 2.54 |
-0.07 ± 0.03 |
| Average |
29.3 |
20.4 |
23.7 |
78.5 |
1.6 |
0.4 |
| Median |
44.4 |
38.1 |
44.5 |
83.4 |
1.1 |
0.6 |
| Deviation |
30.9 |
20.5 |
23.6 |
5.3 |
11.8 |
0.4 |
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)
| 
