Database: Wind Shock Analysis
Event ID: 20182111045
Observation time: 07/30/2018 211.44852 1045 [UT]
|
|
General
Information (About, Top)
| Year |
2018 |
| Fractional day of year |
211.448524 |
| Arrival time of shock [seconds of day] |
38752.5 ± 20.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
240.430 |
| Y GSE location of spacecraft [Re] |
91.182 |
| Z GSE location of spacecraft [Re] |
-0.302 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0180 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0245 |
| Minimum chisq/dof for RH8,RH9,RH10 |
13.49, 16.59, 18.42 |
Event added to database
|
Tue Dec 25 19:44:47 2018
|
Event last processed
|
Tue Dec 10 18:47:21 2019
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
61.651 ± 6.827
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-280.1 ± 1.0 |
-305.8 ± 1.9 |
| Vy GSE [km/s] |
-6.8 ± 0.7 |
-7.4 ± 1.8 |
| Vz GSE [km/s] |
20.5 ± 1.1 |
19.0 ± 2.7 |
| Wi [km/s] |
16.9 ± 0.5 |
20.6 ± 1.1 |
| We [km/s] |
536.0 ± 16.1 |
651.6 ± 35.4 |
| Ni [n/cc] |
6.8 ± 0.4 |
11.3 ± 0.6 |
| Bx GSE [nT] |
1.0 ± 0.2 |
-0.3 ± 0.2 |
| By GSE [nT] |
-2.8 ± 0.1 |
-4.4 ± 0.2 |
| Bz GSE [nT] |
2.2 ± 0.1 |
2.6 ± 0.6 |
Plasma Beta
|
0.299 ± 0.279
|
0.374 ± 0.363
|
Sound Speed [km/s]
|
21.88 ± 0.66
|
26.60 ± 1.44
|
Alfven Speed [km/s]
|
31.10 ± 1.01
|
33.76 ± 0.58
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.697 ± 0.095 |
0.482 ± 0.097 |
-0.531 ± 0.474 |
-32.06 ± 10.00 |
145.37 ± 6.72 |
| VC |
-0.998 ± 0.007 |
-0.029 ± 0.073 |
-0.060 ± 0.060 |
-3.46 ± 6.35 |
181.64 ± 4.22 |
| MX1 |
-0.740 ± 0.063 |
0.516 ± 0.078 |
-0.431 ± 0.402 |
-25.55 ± 6.14 |
145.08 ± 5.65 |
| MX2 |
-0.764 ± 0.053 |
0.533 ± 0.072 |
-0.364 ± 0.347 |
-21.32 ± 3.28 |
145.10 ± 5.36 |
| MX3 |
-0.797 ± 0.057 |
0.559 ± 0.079 |
-0.230 ± 0.226 |
-13.28 ± 5.08 |
144.97 ± 5.64 |
| RH08 |
-0.776 ± 0.013 |
0.516 ± 0.014 |
-0.363 ± 0.346 |
-21.29 ± 2.03 |
146.41 ± 0.92 |
| RH09 |
-0.739 ± 0.043 |
0.509 ± 0.053 |
-0.441 ± 0.410 |
-26.19 ± 4.11 |
145.40 ± 3.89 |
| RH10 |
-0.754 ± 0.045 |
0.540 ± 0.058 |
-0.374 ± 0.356 |
-21.98 ± 4.05 |
144.40 ± 4.24 |
| Average |
-0.783 |
0.453 |
-0.349 |
-20.641 |
149.798 |
| Median |
-0.754 |
0.516 |
-0.364 |
-21.320 |
145.374 |
| Deviation |
0.092 |
0.196 |
0.145 |
8.761 |
12.880 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
29.1 ± 3.0 |
228.1 ± 1.0 |
1.63 ± 0.09 |
| VC |
72.8 ± 2.7 |
342.6 ± 1.2 |
1.63 ± 0.09 |
| MX1 |
31.4 ± 2.7 |
243.7 ± 1.0 |
1.63 ± 0.09 |
| MX2 |
33.5 ± 2.5 |
252.8 ± 1.0 |
1.63 ± 0.09 |
| MX3 |
38.4 ± 2.1 |
265.5 ± 1.0 |
1.63 ± 0.09 |
| RH08 |
34.6 ± 2.5 |
257.2 ± 1.0 |
1.63 ± 0.09 |
| RH09 |
31.3 ± 2.7 |
243.3 ± 1.0 |
1.63 ± 0.09 |
| RH10 |
32.6 ± 2.5 |
249.2 ± 5.7 |
1.63 ± 0.09 |
| Average |
38.0 |
260.3 |
1.63 |
| Median |
33.5 |
252.8 |
1.63 |
| Deviation |
14.3 |
35.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
46.9 ± 1.1 |
17.6 ± 0.3 |
27.2 ± 0.9 |
33.7 ± 0.7 |
2.66 ± 0.10 |
1.39 ± 0.03 |
| VC |
64.1 ± 1.0 |
5.3 ± 0.1 |
9.2 ± 0.3 |
37.7 ± 0.5 |
12.01 ± 0.29 |
1.70 ± 0.02 |
| MX1 |
48.8 ± 1.1 |
17.1 ± 0.3 |
26.6 ± 0.9 |
34.0 ± 0.7 |
2.86 ± 0.11 |
1.44 ± 0.03 |
| MX2 |
49.9 ± 1.1 |
16.6 ± 0.3 |
25.9 ± 0.8 |
34.2 ± 0.7 |
3.01 ± 0.11 |
1.46 ± 0.02 |
| MX3 |
50.7 ± 1.1 |
15.3 ± 0.2 |
24.4 ± 0.8 |
34.8 ± 0.6 |
3.31 ± 0.12 |
1.46 ± 0.02 |
| RH8 |
50.7 ± 1.1 |
16.3 ± 0.3 |
25.6 ± 0.8 |
34.4 ± 0.6 |
3.11 ± 0.11 |
1.47 ± 0.02 |
| RH9 |
48.9 ± 1.1 |
17.1 ± 0.3 |
26.6 ± 0.9 |
34.0 ± 0.7 |
2.86 ± 0.11 |
1.44 ± 0.03 |
| RH10 |
49.3 ± 1.1 |
16.8 ± 0.3 |
26.2 ± 0.8 |
34.1 ± 0.7 |
2.94 ± 0.11 |
1.44 ± 0.02 |
| Average |
51.2 |
15.3 |
24.0 |
34.6 |
4.1 |
1.5 |
| Median |
49.9 |
16.8 |
26.2 |
34.2 |
3.0 |
1.5 |
| Deviation |
5.4 |
4.1 |
6.0 |
1.3 |
3.2 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
28.6 ± 1.4 |
20.9 ± 0.8 |
29.5 ± 0.5 |
37.6 ± 0.7 |
1.37 ± 0.06 |
0.76 ± 0.04 |
| VC |
38.5 ± 1.7 |
6.2 ± 0.2 |
10.0 ± 0.2 |
42.5 ± 0.9 |
6.16 ± 0.30 |
0.90 ± 0.04 |
| MX1 |
29.5 ± 1.6 |
20.2 ± 0.8 |
28.8 ± 0.5 |
38.0 ± 0.7 |
1.46 ± 0.07 |
0.78 ± 0.04 |
| MX2 |
30.1 ± 1.7 |
19.5 ± 0.7 |
28.1 ± 0.5 |
38.3 ± 0.7 |
1.54 ± 0.09 |
0.79 ± 0.05 |
| MX3 |
30.3 ± 2.0 |
18.0 ± 0.6 |
26.5 ± 0.5 |
39.0 ± 0.8 |
1.68 ± 0.11 |
0.78 ± 0.05 |
| RH8 |
30.6 ± 1.7 |
19.2 ± 0.7 |
27.8 ± 0.5 |
38.5 ± 0.7 |
1.59 ± 0.09 |
0.80 ± 0.05 |
| RH9 |
29.6 ± 1.6 |
20.2 ± 0.8 |
28.8 ± 0.5 |
38.0 ± 0.7 |
1.46 ± 0.07 |
0.78 ± 0.04 |
| RH10 |
29.7 ± 1.7 |
19.8 ± 0.7 |
28.4 ± 0.5 |
38.2 ± 0.7 |
1.50 ± 0.08 |
0.78 ± 0.05 |
| Average |
30.8 |
18.0 |
26.0 |
38.8 |
2.1 |
0.8 |
| Median |
30.1 |
19.8 |
28.4 |
38.3 |
1.5 |
0.8 |
| Deviation |
3.1 |
4.8 |
6.5 |
1.6 |
1.6 |
0.0 |
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)
| 
