Database: Wind Shock Analysis
Event ID: 20192671218
Observation time: 09/24/2019 267.51283 1218 [UT]
|
|
General
Information (About, Top)
| Year |
2019 |
| Fractional day of year |
267.512830 |
| Arrival time of shock [seconds of day] |
44308.5 ± 40.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
237.886 |
| Y GSE location of spacecraft [Re] |
-92.627 |
| Z GSE location of spacecraft [Re] |
8.234 |
| Upstream plasma points selected for analysis |
0008 |
| Upstream field points selected for analysis |
0263 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0225 |
| Minimum chisq/dof for RH8,RH9,RH10 |
7.82, 22.51, 24.14 |
Event added to database
|
Tue Dec 10 17:50:25 2019
|
Event last processed
|
Tue Dec 10 19:07:27 2019
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
55.729 ± 2.031
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-305.3 ± 4.0 |
-347.2 ± 4.6 |
| Vy GSE [km/s] |
-14.2 ± 1.3 |
-27.7 ± 2.8 |
| Vz GSE [km/s] |
11.9 ± 2.0 |
19.3 ± 3.9 |
| Wi [km/s] |
29.8 ± 0.9 |
35.4 ± 0.6 |
| We [km/s] |
943.2 ± 29.5 |
1120.1 ± 18.1 |
| Ni [n/cc] |
8.3 ± 0.3 |
14.9 ± 0.8 |
| Bx GSE [nT] |
-1.1 ± 0.7 |
-2.4 ± 0.3 |
| By GSE [nT] |
4.0 ± 0.1 |
7.7 ± 0.4 |
| Bz GSE [nT] |
-1.7 ± 0.6 |
-2.3 ± 0.5 |
Plasma Beta
|
0.733 ± 0.743
|
0.555 ± 0.540
|
Sound Speed [km/s]
|
38.51 ± 1.20
|
45.73 ± 0.74
|
Alfven Speed [km/s]
|
34.95 ± 1.15
|
47.66 ± 2.03
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.716 ± 0.392 |
-0.158 ± 0.332 |
0.680 ± 0.548 |
42.86 ± 33.30 |
192.41 ± 25.69 |
| VC |
-0.937 ± 0.024 |
-0.301 ± 0.052 |
0.174 ± 0.172 |
10.02 ± 5.89 |
197.82 ± 3.14 |
| MX1 |
-0.939 ± 0.062 |
-0.292 ± 0.192 |
0.182 ± 0.180 |
10.51 ± 4.71 |
197.28 ± 11.74 |
| MX2 |
-0.942 ± 0.061 |
-0.293 ± 0.191 |
0.167 ± 0.165 |
9.60 ± 4.83 |
197.27 ± 11.59 |
| MX3 |
-0.944 ± 0.060 |
-0.293 ± 0.189 |
0.151 ± 0.150 |
8.68 ± 5.42 |
197.27 ± 11.44 |
| RH08 |
-0.970 ± 0.003 |
-0.180 ± 0.014 |
0.162 ± 0.161 |
9.32 ± 0.73 |
190.53 ± 0.83 |
| RH09 |
-0.554 ± 0.060 |
-0.005 ± 0.061 |
0.832 ± 0.545 |
56.35 ± 4.14 |
180.50 ± 6.27 |
| RH10 |
-0.974 ± 0.016 |
-0.094 ± 0.071 |
0.207 ± 0.204 |
11.93 ± 3.97 |
185.52 ± 4.16 |
| Average |
-0.872 |
-0.202 |
0.319 |
19.908 |
192.324 |
| Median |
-0.939 |
-0.180 |
0.182 |
10.511 |
197.267 |
| Deviation |
0.153 |
0.112 |
0.273 |
18.704 |
6.470 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
77.0 ± 10.6 |
312.3 ± 1.0 |
1.81 ± 0.11 |
| VC |
83.9 ± 8.7 |
391.4 ± 1.8 |
1.81 ± 0.11 |
| MX1 |
84.2 ± 8.7 |
391.8 ± 1.8 |
1.81 ± 0.11 |
| MX2 |
84.6 ± 8.7 |
392.4 ± 1.8 |
1.81 ± 0.11 |
| MX3 |
84.9 ± 8.6 |
393.0 ± 1.8 |
1.81 ± 0.11 |
| RH08 |
89.2 ± 8.9 |
399.3 ± 1.8 |
1.81 ± 0.11 |
| RH09 |
79.3 ± 10.4 |
246.1 ± 0.8 |
1.81 ± 0.11 |
| RH10 |
85.7 ± 9.2 |
398.8 ± 12.8 |
1.81 ± 0.11 |
| Average |
83.6 |
365.6 |
1.81 |
| Median |
84.6 |
392.4 |
1.81 |
| Deviation |
3.8 |
56.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
83.4 ± 3.3 |
5.8 ± 0.1 |
7.9 ± 0.3 |
51.7 ± 0.6 |
14.26 ± 0.60 |
1.61 ± 0.07 |
| VC |
98.8 ± 3.9 |
2.7 ± 0.0 |
3.7 ± 0.1 |
52.0 ± 0.6 |
36.10 ± 1.54 |
1.90 ± 0.09 |
| MX1 |
98.8 ± 3.9 |
2.6 ± 0.0 |
3.5 ± 0.1 |
52.0 ± 0.6 |
38.08 ± 1.62 |
1.90 ± 0.09 |
| MX2 |
98.8 ± 3.9 |
2.4 ± 0.0 |
3.3 ± 0.1 |
52.0 ± 0.6 |
40.50 ± 1.73 |
1.90 ± 0.09 |
| MX3 |
98.8 ± 3.9 |
2.3 ± 0.0 |
3.1 ± 0.1 |
52.0 ± 0.6 |
43.24 ± 1.85 |
1.90 ± 0.09 |
| RH8 |
98.6 ± 4.0 |
0.4 ± 0.0 |
0.5 ± 0.0 |
52.0 ± 0.6 |
271.53 ± 11.73 |
1.90 ± 0.09 |
| RH9 |
66.9 ± 2.9 |
4.8 ± 0.1 |
6.5 ± 0.2 |
51.8 ± 0.6 |
13.84 ± 0.63 |
1.29 ± 0.06 |
| RH10 |
97.6 ± 4.0 |
1.9 ± 0.0 |
2.6 ± 0.1 |
52.0 ± 0.6 |
50.62 ± 2.20 |
1.88 ± 0.09 |
| Average |
92.7 |
2.9 |
3.9 |
51.9 |
63.5 |
1.8 |
| Median |
98.8 |
2.6 |
3.5 |
52.0 |
40.5 |
1.9 |
| Deviation |
11.7 |
1.7 |
2.3 |
0.1 |
85.1 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
46.2 ± 2.3 |
7.5 ± 0.2 |
10.7 ± 0.5 |
65.6 ± 1.5 |
6.20 ± 0.29 |
0.70 ± 0.03 |
| VC |
54.2 ± 4.4 |
3.5 ± 0.1 |
5.0 ± 0.2 |
66.0 ± 1.5 |
15.51 ± 1.00 |
0.82 ± 0.05 |
| MX1 |
54.2 ± 4.3 |
3.3 ± 0.1 |
4.8 ± 0.2 |
66.0 ± 1.5 |
16.37 ± 1.04 |
0.82 ± 0.05 |
| MX2 |
54.2 ± 4.4 |
3.1 ± 0.1 |
4.5 ± 0.2 |
66.0 ± 1.5 |
17.40 ± 1.12 |
0.82 ± 0.05 |
| MX3 |
54.2 ± 4.4 |
2.9 ± 0.1 |
4.2 ± 0.2 |
66.0 ± 1.5 |
18.58 ± 1.22 |
0.82 ± 0.05 |
| RH8 |
54.4 ± 4.3 |
0.5 ± 0.0 |
0.7 ± 0.0 |
66.1 ± 1.5 |
117.28 ± 7.38 |
0.82 ± 0.05 |
| RH9 |
37.4 ± 2.2 |
6.2 ± 0.1 |
8.9 ± 0.4 |
65.8 ± 1.5 |
6.08 ± 0.40 |
0.57 ± 0.04 |
| RH10 |
54.1 ± 4.1 |
2.5 ± 0.1 |
3.6 ± 0.2 |
66.0 ± 1.5 |
21.96 ± 1.30 |
0.82 ± 0.05 |
| Average |
51.1 |
3.7 |
5.3 |
65.9 |
27.4 |
0.8 |
| Median |
54.2 |
3.3 |
4.8 |
66.0 |
17.4 |
0.8 |
| Deviation |
6.2 |
2.2 |
3.1 |
0.1 |
36.7 |
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)
| 
