Database: Wind Shock Analysis
Event ID: 20181260154
Observation time: 05/06/2018 126.07946 0154 [UT]
|
|
General
Information (About, Top)
| Year |
2018 |
| Fractional day of year |
126.079462 |
| Arrival time of shock [seconds of day] |
6865.5 ± 20.0 |
| Shock type |
FR |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
206.938 |
| Y GSE location of spacecraft [Re] |
-85.104 |
| Z GSE location of spacecraft [Re] |
1.446 |
| Upstream plasma points selected for analysis |
0006 |
| Upstream field points selected for analysis |
0187 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0260 |
| Minimum chisq/dof for RH8,RH9,RH10 |
7.92, 11.03, 11.82 |
Event added to database
|
Fri Jul 27 14:28:33 2018
|
Event last processed
|
Tue Dec 10 18:43:25 2019
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
37.832 ± 9.590
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-602.2 ± 4.8 |
-656.4 ± 10.4 |
| Vy GSE [km/s] |
55.2 ± 9.6 |
12.4 ± 8.2 |
| Vz GSE [km/s] |
-0.3 ± 15.2 |
-26.1 ± 8.0 |
| Wi [km/s] |
70.2 ± 3.4 |
54.8 ± 1.3 |
| We [km/s] |
2218.6 ± 106.0 |
1734.3 ± 42.3 |
| Ni [n/cc] |
5.3 ± 0.6 |
2.9 ± 0.3 |
| Bx GSE [nT] |
6.5 ± 0.8 |
3.1 ± 0.9 |
| By GSE [nT] |
-5.6 ± 1.2 |
-1.7 ± 0.7 |
| Bz GSE [nT] |
-1.5 ± 2.3 |
-3.7 ± 0.8 |
Plasma Beta
|
0.672 ± 0.655
|
0.658 ± 0.684
|
Sound Speed [km/s]
|
90.57 ± 4.33
|
70.80 ± 1.73
|
Alfven Speed [km/s]
|
86.31 ± 4.95
|
67.88 ± 2.80
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.751 ± 0.459 |
0.179 ± 0.391 |
0.636 ± 0.532 |
39.50 ± 41.70 |
166.57 ± 28.72 |
| VC |
-0.744 ± 0.098 |
-0.582 ± 0.117 |
-0.328 ± 0.315 |
-19.12 ± 9.78 |
218.06 ± 8.62 |
| MX1 |
-0.912 ± 0.348 |
-0.368 ± 0.852 |
-0.181 ± 0.179 |
-10.44 ± 18.01 |
201.97 ± 53.50 |
| MX2 |
-0.974 ± 0.140 |
-0.020 ± 0.855 |
0.226 ± 0.222 |
13.07 ± 35.18 |
181.15 ± 50.33 |
| MX3 |
-0.678 ± 0.198 |
-0.706 ± 0.190 |
-0.204 ± 0.201 |
-11.78 ± 8.18 |
226.17 ± 15.96 |
| RH08 |
-0.744 ± 0.016 |
-0.072 ± 0.028 |
0.665 ± 0.543 |
41.67 ± 1.35 |
185.52 ± 2.13 |
| RH09 |
-0.832 ± 0.038 |
-0.036 ± 0.070 |
0.553 ± 0.488 |
33.58 ± 3.97 |
182.51 ± 4.84 |
| RH10 |
-0.854 ± 0.036 |
-0.022 ± 0.071 |
0.520 ± 0.467 |
31.30 ± 4.01 |
181.50 ± 4.76 |
| Average |
-0.811 |
-0.203 |
0.236 |
14.722 |
192.931 |
| Median |
-0.751 |
-0.036 |
0.520 |
31.302 |
185.515 |
| Deviation |
0.100 |
0.312 |
0.416 |
25.225 |
20.515 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
40.0 ± 12.4 |
436.4 ± 2.6 |
0.55 ± 0.09 |
| VC |
82.8 ± 10.9 |
317.3 ± 8.7 |
0.55 ± 0.09 |
| MX1 |
66.2 ± 9.8 |
440.0 ± 7.7 |
0.55 ± 0.09 |
| MX2 |
43.4 ± 5.8 |
523.4 ± 4.1 |
0.55 ± 0.09 |
| MX3 |
88.9 ± 9.7 |
266.6 ± 8.2 |
0.55 ± 0.09 |
| RH08 |
52.8 ± 10.8 |
408.5 ± 2.4 |
0.55 ± 0.09 |
| RH09 |
47.9 ± 9.3 |
453.8 ± 2.4 |
0.55 ± 0.09 |
| RH10 |
46.4 ± 8.8 |
461.7 ± 15.8 |
0.55 ± 0.09 |
| Average |
58.6 |
413.5 |
0.55 |
| Median |
52.8 |
440.0 |
0.55 |
| Deviation |
18.7 |
82.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-25.3 ± 8.1 |
52.6 ± 1.6 |
66.1 ± 3.8 |
113.6 ± 2.8 |
-0.48 ± 0.16 |
-0.22 ± 0.08 |
| VC |
-98.6 ± 11.7 |
7.8 ± 0.2 |
10.8 ± 0.6 |
125.0 ± 3.1 |
-12.67 ± 1.39 |
-0.79 ± 0.08 |
| MX1 |
-89.1 ± 8.8 |
25.7 ± 0.7 |
34.9 ± 2.0 |
122.6 ± 3.0 |
-3.46 ± 0.30 |
-0.73 ± 0.06 |
| MX2 |
-62.0 ± 2.4 |
49.2 ± 1.4 |
62.7 ± 3.6 |
115.1 ± 2.8 |
-1.26 ± 0.03 |
-0.54 ± 0.02 |
| MX3 |
-102.7 ± 10.7 |
1.1 ± 0.0 |
1.6 ± 0.1 |
125.2 ± 3.1 |
-89.78 ± 8.60 |
-0.82 ± 0.08 |
| RH8 |
-35.1 ± 6.8 |
39.8 ± 1.1 |
52.2 ± 3.0 |
118.7 ± 2.9 |
-0.88 ± 0.18 |
-0.30 ± 0.06 |
| RH9 |
-45.3 ± 5.1 |
44.8 ± 1.3 |
57.9 ± 3.3 |
116.9 ± 2.9 |
-1.01 ± 0.13 |
-0.39 ± 0.05 |
| RH10 |
-51.3 ± 4.7 |
46.2 ± 1.3 |
59.5 ± 3.4 |
116.4 ± 2.8 |
-1.11 ± 0.11 |
-0.44 ± 0.05 |
| Average |
-63.7 |
33.4 |
43.2 |
119.2 |
-13.8 |
-0.5 |
| Median |
-51.3 |
44.8 |
57.9 |
118.7 |
-1.1 |
-0.4 |
| Deviation |
29.7 |
19.7 |
24.8 |
4.5 |
31.0 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-41.9 ± 4.1 |
41.3 ± 0.5 |
52.0 ± 2.1 |
89.0 ± 1.0 |
-1.02 ± 0.11 |
-0.47 ± 0.05 |
| VC |
-172.3 ± 11.3 |
6.1 ± 0.1 |
8.5 ± 0.3 |
97.9 ± 1.1 |
-28.23 ± 2.11 |
-1.76 ± 0.13 |
| MX1 |
-158.9 ± 11.5 |
20.2 ± 0.2 |
27.4 ± 1.1 |
96.0 ± 1.1 |
-7.87 ± 0.64 |
-1.66 ± 0.13 |
| MX2 |
-109.8 ± 8.9 |
38.7 ± 0.5 |
49.3 ± 2.0 |
90.2 ± 1.0 |
-2.84 ± 0.26 |
-1.22 ± 0.11 |
| MX3 |
-174.9 ± 10.7 |
0.9 ± 0.0 |
1.2 ± 0.1 |
98.1 ± 1.1 |
-194.96 ± 13.94 |
-1.78 ± 0.13 |
| RH8 |
-61.4 ± 5.5 |
31.2 ± 0.4 |
41.1 ± 1.7 |
93.0 ± 1.1 |
-1.97 ± 0.20 |
-0.66 ± 0.07 |
| RH9 |
-77.7 ± 6.2 |
35.2 ± 0.4 |
45.5 ± 1.9 |
91.6 ± 1.0 |
-2.21 ± 0.20 |
-0.85 ± 0.08 |
| RH10 |
-85.2 ± 6.4 |
36.3 ± 0.4 |
46.8 ± 1.9 |
91.2 ± 1.0 |
-2.35 ± 0.20 |
-0.93 ± 0.08 |
| Average |
-110.3 |
26.2 |
34.0 |
93.4 |
-30.2 |
-1.2 |
| Median |
-85.2 |
35.2 |
45.5 |
93.0 |
-2.3 |
-0.9 |
| Deviation |
52.3 |
15.5 |
19.5 |
3.5 |
67.2 |
0.5 |
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)
| 
