Database: Wind Shock Analysis
Event ID: 20181250953
Observation time: 05/05/2018 125.41217 0953 [UT]
|
|
General
Information (About, Top)
| Year |
2018 |
| Fractional day of year |
125.412170 |
| Arrival time of shock [seconds of day] |
35611.5 ± 20.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
207.248 |
| Y GSE location of spacecraft [Re] |
-86.380 |
| Z GSE location of spacecraft [Re] |
1.705 |
| Upstream plasma points selected for analysis |
0003 |
| Upstream field points selected for analysis |
0084 |
| Downstream plasma points selected for analysis |
0003
|
| Downstream field points selected for analysis |
0111 |
| Minimum chisq/dof for RH8,RH9,RH10 |
56.21, Infinity, -1121.30 |
Event added to database
|
Fri Jul 27 14:27:09 2018
|
Event last processed
|
Tue Dec 10 18:41:22 2019
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
62.784 ± 34.497
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-335.0 ± 1.0 |
-368.0 ± 1.4 |
| Vy GSE [km/s] |
-0.3 ± 0.6 |
-28.9 ± 2.8 |
| Vz GSE [km/s] |
-2.3 ± 1.0 |
-4.1 ± 1.3 |
| Wi [km/s] |
20.6 ± 0.1 |
27.6 ± 1.2 |
| We [km/s] |
650.8 ± 2.7 |
874.0 ± 39.4 |
| Ni [n/cc] |
9.8 ± 0.6 |
23.2 ± 2.2 |
| Bx GSE [nT] |
-5.0 ± 0.2 |
-4.7 ± 1.3 |
| By GSE [nT] |
2.8 ± 0.2 |
6.0 ± 0.7 |
| Bz GSE [nT] |
-0.3 ± 0.6 |
-0.4 ± 1.1 |
Plasma Beta
|
0.265 ± 0.265
|
0.694 ± 0.811
|
Sound Speed [km/s]
|
26.57 ± 0.11
|
35.68 ± 1.61
|
Alfven Speed [km/s]
|
39.99 ± 0.13
|
34.97 ± 7.77
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.982 ± 0.061 |
0.184 ± 0.321 |
0.045 ± 0.045 |
2.59 ± 11.33 |
169.39 ± 18.73 |
| VC |
-0.755 ± 0.039 |
-0.655 ± 0.045 |
-0.041 ± 0.041 |
-2.32 ± 1.85 |
220.93 ± 3.41 |
| MX1 |
-0.988 ± 0.055 |
0.148 ± 0.368 |
-0.047 ± 0.047 |
-2.67 ± 4.13 |
171.47 ± 21.35 |
| MX2 |
-0.993 ± 0.042 |
0.118 ± 0.356 |
-0.031 ± 0.031 |
-1.75 ± 4.42 |
173.21 ± 20.56 |
| MX3 |
-0.997 ± 0.029 |
0.020 ± 0.310 |
0.077 ± 0.076 |
4.39 ± 20.80 |
178.83 ± 17.81 |
| RH08 |
-0.208 ± 0.061 |
0.031 ± 0.073 |
0.978 ± 0.286 |
77.86 ± 3.57 |
171.48 ± 20.06 |
| RH09 |
-0.032 ± 0.009 |
0.146 ± 0.034 |
-0.989 ± 0.212 |
-81.43 ± 2.00 |
102.28 ± 2.00 |
| RH10 |
0.030 ± 0.071 |
-0.967 ± 0.018 |
0.251 ± 0.246 |
14.56 ± 3.99 |
271.75 ± 4.20 |
| Average |
-0.616 |
-0.122 |
0.031 |
1.404 |
182.417 |
| Median |
-0.755 |
0.118 |
0.045 |
2.591 |
173.211 |
| Deviation |
0.463 |
0.437 |
0.535 |
42.980 |
48.392 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
19.9 ± 3.3 |
376.2 ± 0.5 |
2.37 ± 0.14 |
| VC |
70.2 ± 2.4 |
327.7 ± 2.2 |
2.37 ± 0.14 |
| MX1 |
21.3 ± 2.8 |
380.5 ± 0.5 |
2.37 ± 0.14 |
| MX2 |
23.0 ± 2.8 |
383.7 ± 0.6 |
2.37 ± 0.14 |
| MX3 |
29.3 ± 3.2 |
389.6 ± 0.7 |
2.37 ± 0.14 |
| RH08 |
81.2 ± 6.4 |
75.0 ± 0.7 |
2.37 ± 0.14 |
| RH09 |
81.8 ± 6.5 |
9.8 ± 0.8 |
2.37 ± 0.14 |
| RH10 |
59.5 ± 3.3 |
33.0 ± 7.1 |
2.37 ± 0.14 |
| Average |
48.3 |
246.9 |
2.37 |
| Median |
59.5 |
376.2 |
2.37 |
| Deviation |
27.6 |
173.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
47.4 ± 1.0 |
24.0 ± 0.1 |
37.6 ± 0.1 |
41.6 ± 0.1 |
1.97 ± 0.05 |
1.14 ± 0.02 |
| VC |
74.5 ± 0.7 |
7.6 ± 0.0 |
13.6 ± 0.0 |
47.4 ± 0.1 |
9.81 ± 0.11 |
1.57 ± 0.02 |
| MX1 |
49.5 ± 1.1 |
23.7 ± 0.1 |
37.3 ± 0.1 |
41.7 ± 0.1 |
2.09 ± 0.05 |
1.19 ± 0.02 |
| MX2 |
51.2 ± 1.1 |
23.3 ± 0.1 |
36.8 ± 0.1 |
42.0 ± 0.1 |
2.20 ± 0.05 |
1.22 ± 0.02 |
| MX3 |
55.9 ± 1.0 |
21.6 ± 0.1 |
34.9 ± 0.1 |
42.9 ± 0.1 |
2.58 ± 0.05 |
1.30 ± 0.02 |
| RH8 |
7.6 ± 0.8 |
3.4 ± 0.0 |
6.1 ± 0.0 |
47.9 ± 0.1 |
2.25 ± 0.23 |
0.16 ± 0.02 |
| RH9 |
-3.1 ± 1.0 |
3.2 ± 0.0 |
5.7 ± 0.0 |
47.9 ± 0.1 |
-0.97 ± 0.31 |
-0.06 ± 0.02 |
| RH10 |
43.2 ± 0.7 |
11.6 ± 0.0 |
20.3 ± 0.1 |
46.6 ± 0.1 |
3.73 ± 0.05 |
0.93 ± 0.02 |
| Average |
40.8 |
14.8 |
24.0 |
44.7 |
3.0 |
0.9 |
| Median |
49.5 |
21.6 |
34.9 |
46.6 |
2.3 |
1.2 |
| Deviation |
25.7 |
9.3 |
14.2 |
2.9 |
3.1 |
0.6 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
20.3 ± 1.8 |
27.7 ± 2.2 |
32.9 ± 7.3 |
41.9 ± 4.2 |
0.74 ± 0.05 |
0.49 ± 0.03 |
| VC |
30.8 ± 1.2 |
8.4 ± 0.7 |
11.9 ± 2.6 |
49.5 ± 4.6 |
3.67 ± 0.45 |
0.63 ± 0.08 |
| MX1 |
21.1 ± 1.7 |
27.3 ± 2.2 |
32.6 ± 7.2 |
42.2 ± 4.2 |
0.77 ± 0.05 |
0.50 ± 0.03 |
| MX2 |
21.7 ± 1.6 |
26.7 ± 2.2 |
32.2 ± 7.2 |
42.5 ± 4.2 |
0.82 ± 0.05 |
0.51 ± 0.03 |
| MX3 |
23.7 ± 1.4 |
24.6 ± 2.0 |
30.5 ± 6.8 |
43.8 ± 4.2 |
0.97 ± 0.07 |
0.54 ± 0.04 |
| RH8 |
3.4 ± 1.3 |
3.8 ± 0.3 |
5.3 ± 1.2 |
50.1 ± 4.7 |
0.91 ± 0.40 |
0.07 ± 0.03 |
| RH9 |
-1.7 ± 1.4 |
3.5 ± 0.3 |
5.0 ± 1.1 |
50.1 ± 4.7 |
-0.50 ± 0.46 |
-0.04 ± 0.03 |
| RH10 |
16.9 ± 2.9 |
12.9 ± 1.1 |
17.7 ± 3.9 |
48.6 ± 4.6 |
1.33 ± 0.33 |
0.35 ± 0.09 |
| Average |
17.0 |
16.9 |
21.0 |
46.1 |
1.1 |
0.4 |
| Median |
21.1 |
24.6 |
30.5 |
48.6 |
0.9 |
0.5 |
| Deviation |
10.8 |
10.8 |
12.5 |
3.8 |
1.2 |
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)
| 
