Database: Wind Shock Analysis
Event ID: 20191590906
Observation time: 06/08/2019 159.37950 0906 [UT]
|
|
General
Information (About, Top)
| Year |
2019 |
| Fractional day of year |
159.379497 |
| Arrival time of shock [seconds of day] |
32788.5 ± 30.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
204.411 |
| Y GSE location of spacecraft [Re] |
56.883 |
| Z GSE location of spacecraft [Re] |
-7.599 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0163 |
| Downstream plasma points selected for analysis |
0004
|
| Downstream field points selected for analysis |
0144 |
| Minimum chisq/dof for RH8,RH9,RH10 |
36.92, 83.41, 109.83 |
Event added to database
|
Tue Dec 10 17:29:09 2019
|
Event last processed
|
Tue Dec 10 19:03:15 2019
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
57.868 ± 3.514
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-270.7 ± 0.6 |
-294.5 ± 0.3 |
| Vy GSE [km/s] |
1.4 ± 1.1 |
12.3 ± 0.6 |
| Vz GSE [km/s] |
-16.2 ± 0.5 |
-26.5 ± 0.2 |
| Wi [km/s] |
16.4 ± 0.2 |
20.5 ± 0.3 |
| We [km/s] |
518.5 ± 6.6 |
649.1 ± 8.4 |
| Ni [n/cc] |
17.0 ± 0.2 |
30.9 ± 0.4 |
| Bx GSE [nT] |
-0.7 ± 0.2 |
-1.7 ± 0.2 |
| By GSE [nT] |
0.7 ± 0.2 |
-2.1 ± 1.0 |
| Bz GSE [nT] |
3.5 ± 0.1 |
5.2 ± 0.6 |
Plasma Beta
|
0.716 ± 0.702
|
0.775 ± 0.775
|
Sound Speed [km/s]
|
21.17 ± 0.27
|
26.50 ± 0.34
|
Alfven Speed [km/s]
|
19.40 ± 0.52
|
23.32 ± 0.47
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.843 ± 0.565 |
0.327 ± 1.127 |
0.427 ± 0.399 |
25.28 ± 52.03 |
158.80 ± 76.03 |
| VC |
-0.847 ± 0.016 |
0.387 ± 0.031 |
-0.365 ± 0.348 |
-21.43 ± 1.15 |
155.43 ± 2.11 |
| MX1 |
-0.807 ± 0.143 |
0.462 ± 0.122 |
0.367 ± 0.350 |
21.55 ± 23.66 |
150.23 ± 6.79 |
| MX2 |
-0.952 ± 0.014 |
0.287 ± 0.036 |
-0.106 ± 0.106 |
-6.08 ± 4.95 |
163.24 ± 2.16 |
| MX3 |
-0.948 ± 0.022 |
0.202 ± 0.034 |
-0.245 ± 0.240 |
-14.18 ± 4.88 |
167.96 ± 2.03 |
| RH08 |
-0.911 ± 0.006 |
0.342 ± 0.013 |
-0.229 ± 0.225 |
-13.24 ± 0.71 |
159.44 ± 0.82 |
| RH09 |
-0.724 ± 0.048 |
0.428 ± 0.064 |
0.542 ± 0.481 |
32.81 ± 3.87 |
149.42 ± 4.84 |
| RH10 |
-0.897 ± 0.031 |
0.024 ± 0.069 |
0.441 ± 0.410 |
26.19 ± 4.03 |
178.50 ± 4.43 |
| Average |
-0.866 |
0.307 |
0.104 |
6.363 |
160.375 |
| Median |
-0.847 |
0.342 |
0.367 |
21.548 |
159.443 |
| Deviation |
0.077 |
0.141 |
0.373 |
22.086 |
9.599 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
50.1 ± 2.4 |
264.2 ± 0.3 |
1.82 ± 0.03 |
| VC |
83.9 ± 2.4 |
298.4 ± 0.3 |
1.82 ± 0.03 |
| MX1 |
52.9 ± 2.4 |
258.5 ± 0.3 |
1.82 ± 0.03 |
| MX2 |
81.7 ± 2.4 |
319.7 ± 0.3 |
1.82 ± 0.03 |
| MX3 |
89.6 ± 2.4 |
321.8 ± 0.3 |
1.82 ± 0.03 |
| RH08 |
88.4 ± 2.4 |
312.8 ± 0.3 |
1.82 ± 0.03 |
| RH09 |
41.6 ± 2.4 |
223.9 ± 0.3 |
1.82 ± 0.03 |
| RH10 |
52.6 ± 2.4 |
274.0 ± 1.0 |
1.82 ± 0.03 |
| Average |
67.6 |
284.2 |
1.82 |
| Median |
81.7 |
298.4 |
1.82 |
| Deviation |
20.0 |
34.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
42.5 ± 0.8 |
9.8 ± 0.1 |
12.5 ± 0.3 |
27.0 ± 0.2 |
4.35 ± 0.04 |
1.57 ± 0.02 |
| VC |
62.7 ± 0.9 |
1.5 ± 0.0 |
2.1 ± 0.1 |
28.7 ± 0.3 |
41.26 ± 0.33 |
2.19 ± 0.02 |
| MX1 |
45.2 ± 0.9 |
9.1 ± 0.1 |
11.7 ± 0.3 |
27.2 ± 0.2 |
4.97 ± 0.05 |
1.66 ± 0.02 |
| MX2 |
59.8 ± 0.9 |
2.1 ± 0.0 |
2.8 ± 0.1 |
28.6 ± 0.3 |
28.91 ± 0.19 |
2.09 ± 0.02 |
| MX3 |
60.8 ± 0.8 |
0.1 ± 0.0 |
0.1 ± 0.0 |
28.7 ± 0.3 |
669.31 ± 4.49 |
2.12 ± 0.02 |
| RH8 |
61.8 ± 0.9 |
0.4 ± 0.0 |
0.6 ± 0.0 |
28.7 ± 0.3 |
150.53 ± 1.09 |
2.15 ± 0.02 |
| RH9 |
36.2 ± 0.9 |
11.7 ± 0.1 |
14.5 ± 0.4 |
26.2 ± 0.2 |
3.09 ± 0.04 |
1.38 ± 0.03 |
| RH10 |
38.3 ± 0.6 |
9.2 ± 0.1 |
11.8 ± 0.3 |
27.2 ± 0.2 |
4.18 ± 0.03 |
1.41 ± 0.01 |
| Average |
50.9 |
5.5 |
7.0 |
27.8 |
113.3 |
1.8 |
| Median |
59.8 |
9.1 |
11.7 |
28.6 |
28.9 |
2.1 |
| Deviation |
11.4 |
4.9 |
6.1 |
1.0 |
230.1 |
0.4 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
23.3 ± 0.3 |
11.9 ± 0.2 |
15.0 ± 0.3 |
33.2 ± 0.5 |
1.95 ± 0.05 |
0.70 ± 0.02 |
| VC |
34.6 ± 0.2 |
1.9 ± 0.0 |
2.5 ± 0.1 |
35.2 ± 0.6 |
18.62 ± 0.41 |
0.98 ± 0.02 |
| MX1 |
24.8 ± 0.4 |
11.1 ± 0.2 |
14.1 ± 0.3 |
33.5 ± 0.5 |
2.23 ± 0.06 |
0.74 ± 0.02 |
| MX2 |
32.9 ± 0.3 |
2.5 ± 0.0 |
3.4 ± 0.1 |
35.2 ± 0.6 |
13.02 ± 0.31 |
0.94 ± 0.02 |
| MX3 |
33.5 ± 0.2 |
0.1 ± 0.0 |
0.1 ± 0.0 |
35.3 ± 0.6 |
301.78 ± 7.26 |
0.95 ± 0.02 |
| RH8 |
34.1 ± 0.2 |
0.5 ± 0.0 |
0.7 ± 0.0 |
35.3 ± 0.6 |
67.86 ± 1.56 |
0.97 ± 0.02 |
| RH9 |
19.9 ± 0.4 |
14.3 ± 0.2 |
17.4 ± 0.4 |
32.3 ± 0.5 |
1.39 ± 0.04 |
0.62 ± 0.02 |
| RH10 |
21.2 ± 0.3 |
11.2 ± 0.2 |
14.2 ± 0.3 |
33.5 ± 0.5 |
1.89 ± 0.06 |
0.63 ± 0.02 |
| Average |
28.1 |
6.7 |
8.4 |
34.2 |
51.1 |
0.8 |
| Median |
32.9 |
11.1 |
14.1 |
35.2 |
13.0 |
0.9 |
| Deviation |
6.3 |
6.0 |
7.4 |
1.2 |
103.7 |
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)
| 
