Database: Wind Shock Analysis
Event ID: 20151211444
Observation time: 05/01/2015 121.61408 1444 [UT]
|
|
General
Information (About, Top)
| Year |
2015 |
| Fractional day of year |
121.614080 |
| Arrival time of shock [seconds of day] |
53056.5 ± 140.0 |
| Shock type |
NN |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
242.621 |
| Y GSE location of spacecraft [Re] |
-83.676 |
| Z GSE location of spacecraft [Re] |
15.101 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0225 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0268 |
| Minimum chisq/dof for RH8,RH9,RH10 |
1.09, 1.66, 1.70 |
Event added to database
|
Thu Jan 28 14:32:16 2016
|
Event last processed
|
Tue May 17 16:48:31 2016
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
52.150 ± 0.617
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-388.4 ± 5.3 |
-434.7 ± 8.3 |
| Vy GSE [km/s] |
39.5 ± 12.4 |
-8.9 ± 6.6 |
| Vz GSE [km/s] |
-37.0 ± 8.4 |
-41.2 ± 23.9 |
| Wi [km/s] |
44.6 ± 3.2 |
55.4 ± 2.1 |
| We [km/s] |
1411.3 ± 101.6 |
1752.7 ± 67.0 |
| Ni [n/cc] |
4.0 ± 0.5 |
6.8 ± 0.4 |
| Bx GSE [nT] |
-8.3 ± 0.4 |
-7.8 ± 0.7 |
| By GSE [nT] |
1.4 ± 0.8 |
7.6 ± 0.6 |
| Bz GSE [nT] |
3.0 ± 0.5 |
3.5 ± 2.6 |
Plasma Beta
|
0.210 ± 0.214
|
0.322 ± 0.332
|
Sound Speed [km/s]
|
57.62 ± 4.15
|
71.55 ± 2.74
|
Alfven Speed [km/s]
|
99.07 ± 8.07
|
98.18 ± 3.42
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.950 ± 0.023 |
0.058 ± 0.099 |
0.306 ± 0.296 |
17.82 ± 4.20 |
176.53 ± 5.98 |
| VC |
-0.697 ± 0.138 |
-0.714 ± 0.135 |
-0.066 ± 0.066 |
-3.77 ± 18.83 |
225.66 ± 11.00 |
| MX1 |
-0.955 ± 0.024 |
0.063 ± 0.098 |
0.289 ± 0.281 |
16.80 ± 4.53 |
176.24 ± 5.90 |
| MX2 |
-0.979 ± 0.019 |
0.072 ± 0.099 |
0.191 ± 0.189 |
11.01 ± 5.15 |
175.77 ± 5.81 |
| MX3 |
-0.995 ± 0.013 |
0.095 ± 0.140 |
-0.008 ± 0.008 |
-0.44 ± 12.39 |
174.55 ± 8.06 |
| RH08 |
-0.998 ± 0.002 |
0.026 ± 0.017 |
0.061 ± 0.061 |
3.52 ± 1.97 |
178.50 ± 0.96 |
| RH09 |
-0.998 ± 0.005 |
0.026 ± 0.058 |
0.061 ± 0.061 |
3.52 ± 4.14 |
178.50 ± 3.36 |
| RH10 |
-0.998 ± 0.005 |
0.026 ± 0.059 |
0.061 ± 0.061 |
3.52 ± 4.14 |
178.50 ± 3.41 |
| Average |
-0.946 |
-0.043 |
0.112 |
6.499 |
183.030 |
| Median |
-0.979 |
0.058 |
0.061 |
3.523 |
178.496 |
| Deviation |
0.102 |
0.272 |
0.136 |
7.883 |
17.287 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
7.7 ± 2.7 |
454.6 ± 2.8 |
1.74 ± 0.13 |
| VC |
59.0 ± 3.9 |
399.5 ± 6.5 |
1.74 ± 0.13 |
| MX1 |
7.9 ± 2.3 |
457.9 ± 2.8 |
1.74 ± 0.13 |
| MX2 |
11.0 ± 2.3 |
475.6 ± 2.7 |
1.74 ± 0.13 |
| MX3 |
20.7 ± 3.2 |
494.3 ± 3.1 |
1.74 ± 0.13 |
| RH08 |
18.3 ± 2.6 |
496.1 ± 3.1 |
1.74 ± 0.13 |
| RH09 |
18.3 ± 2.6 |
496.1 ± 3.1 |
1.74 ± 0.13 |
| RH10 |
18.3 ± 2.6 |
496.1 ± 22.8 |
1.74 ± 0.13 |
| Average |
20.2 |
471.3 |
1.74 |
| Median |
18.3 |
494.3 |
1.74 |
| Deviation |
16.5 |
33.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
94.6 ± 7.0 |
56.8 ± 4.0 |
98.2 ± 8.0 |
99.5 ± 7.9 |
1.67 ± 0.21 |
0.95 ± 0.04 |
| VC |
154.4 ± 6.4 |
26.3 ± 1.5 |
51.1 ± 4.2 |
111.7 ± 6.2 |
5.90 ± 0.50 |
1.39 ± 0.14 |
| MX1 |
95.1 ± 7.0 |
56.8 ± 4.0 |
98.1 ± 8.0 |
99.6 ± 7.9 |
1.69 ± 0.21 |
0.96 ± 0.04 |
| MX2 |
99.6 ± 6.7 |
56.0 ± 3.9 |
97.2 ± 7.9 |
100.0 ± 7.8 |
1.79 ± 0.22 |
1.00 ± 0.03 |
| MX3 |
103.7 ± 6.2 |
52.2 ± 3.5 |
92.6 ± 7.5 |
102.1 ± 7.4 |
2.00 ± 0.23 |
1.02 ± 0.02 |
| RH8 |
109.8 ± 5.8 |
53.3 ± 3.6 |
94.0 ± 7.7 |
101.5 ± 7.5 |
2.07 ± 0.23 |
1.08 ± 0.03 |
| RH9 |
109.8 ± 5.8 |
53.3 ± 3.6 |
94.0 ± 7.7 |
101.5 ± 7.5 |
2.07 ± 0.23 |
1.08 ± 0.03 |
| RH10 |
109.8 ± 5.8 |
53.3 ± 3.6 |
94.0 ± 7.7 |
101.5 ± 7.5 |
2.07 ± 0.23 |
1.08 ± 0.03 |
| Average |
109.6 |
51.0 |
89.9 |
102.2 |
2.4 |
1.1 |
| Median |
109.8 |
53.3 |
94.0 |
101.5 |
2.1 |
1.1 |
| Deviation |
19.2 |
10.2 |
15.8 |
4.0 |
1.4 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
54.6 ± 8.1 |
70.2 ± 2.4 |
97.3 ± 3.4 |
99.2 ± 3.1 |
0.78 ± 0.12 |
0.55 ± 0.09 |
| VC |
87.3 ± 6.5 |
30.8 ± 0.4 |
50.6 ± 1.8 |
117.6 ± 1.4 |
2.84 ± 0.21 |
0.74 ± 0.06 |
| MX1 |
55.1 ± 7.9 |
70.1 ± 2.4 |
97.3 ± 3.4 |
99.2 ± 3.1 |
0.79 ± 0.12 |
0.56 ± 0.08 |
| MX2 |
58.5 ± 7.4 |
68.8 ± 2.2 |
96.4 ± 3.4 |
100.1 ± 2.9 |
0.85 ± 0.11 |
0.58 ± 0.08 |
| MX3 |
62.1 ± 8.5 |
63.3 ± 1.6 |
91.8 ± 3.2 |
103.8 ± 2.3 |
0.98 ± 0.14 |
0.60 ± 0.08 |
| RH8 |
65.1 ± 7.8 |
64.8 ± 1.7 |
93.2 ± 3.3 |
102.8 ± 2.5 |
1.01 ± 0.13 |
0.63 ± 0.08 |
| RH9 |
65.1 ± 7.8 |
64.8 ± 1.7 |
93.2 ± 3.3 |
102.8 ± 2.5 |
1.01 ± 0.13 |
0.63 ± 0.08 |
| RH10 |
65.1 ± 7.8 |
64.8 ± 1.7 |
93.2 ± 3.3 |
102.8 ± 2.5 |
1.01 ± 0.13 |
0.63 ± 0.08 |
| Average |
64.1 |
62.2 |
89.1 |
103.5 |
1.2 |
0.6 |
| Median |
65.1 |
64.8 |
93.2 |
102.8 |
1.0 |
0.6 |
| Deviation |
10.3 |
13.0 |
15.7 |
6.0 |
0.7 |
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)
| 
