Database: Wind Shock Analysis
Event ID: 20192672227
Observation time: 09/24/2019 267.93595 2227 [UT]
|
|
General
Information (About, Top)
| Year |
2019 |
| Fractional day of year |
267.935955 |
| Arrival time of shock [seconds of day] |
80866.5 ± 60.0 |
| Shock type |
FR |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
237.389 |
| Y GSE location of spacecraft [Re] |
-93.209 |
| Z GSE location of spacecraft [Re] |
8.215 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0230 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0217 |
| Minimum chisq/dof for RH8,RH9,RH10 |
14.72, 20.63, 21.27 |
Event added to database
|
Tue Dec 10 17:52:44 2019
|
Event last processed
|
Tue Dec 10 19:09:32 2019
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
-558.654 ± 3488.478
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-456.6 ± 4.7 |
-509.4 ± 4.2 |
| Vy GSE [km/s] |
39.1 ± 7.1 |
10.7 ± 1.6 |
| Vz GSE [km/s] |
-26.3 ± 7.6 |
-7.3 ± 3.3 |
| Wi [km/s] |
57.7 ± 2.1 |
46.6 ± 1.4 |
| We [km/s] |
1823.7 ± 65.0 |
1475.1 ± 43.6 |
| Ni [n/cc] |
7.5 ± 0.4 |
4.1 ± 0.1 |
| Bx GSE [nT] |
4.2 ± 0.8 |
1.8 ± 0.9 |
| By GSE [nT] |
-3.4 ± 0.6 |
-1.8 ± 0.3 |
| Bz GSE [nT] |
6.4 ± 0.7 |
3.9 ± 0.7 |
Plasma Beta
|
0.745 ± 0.684
|
0.831 ± 0.846
|
Sound Speed [km/s]
|
74.45 ± 2.65
|
60.22 ± 1.78
|
Alfven Speed [km/s]
|
67.23 ± 3.78
|
51.26 ± 1.46
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.765 ± 0.238 |
-0.058 ± 0.362 |
0.641 ± 0.534 |
39.87 ± 21.20 |
184.31 ± 27.09 |
| VC |
-0.842 ± 0.058 |
-0.453 ± 0.098 |
0.292 ± 0.283 |
16.96 ± 5.78 |
208.27 ± 6.57 |
| MX1 |
-0.750 ± 0.131 |
-0.529 ± 0.158 |
0.398 ± 0.375 |
23.43 ± 14.07 |
215.19 ± 11.28 |
| MX2 |
-0.754 ± 0.136 |
-0.497 ± 0.158 |
0.429 ± 0.401 |
25.43 ± 15.56 |
213.42 ± 10.98 |
| MX3 |
-0.745 ± 0.131 |
-0.560 ± 0.159 |
0.364 ± 0.347 |
21.34 ± 12.91 |
216.93 ± 11.66 |
| RH08 |
0.071 ± 0.023 |
0.851 ± 0.013 |
0.520 ± 0.467 |
31.30 ± 1.38 |
85.24 ± 1.52 |
| RH09 |
-0.998 ± 0.004 |
-0.009 ± 0.069 |
-0.061 ± 0.061 |
-3.52 ± 4.03 |
180.50 ± 3.95 |
| RH10 |
-0.998 ± 0.004 |
-0.009 ± 0.069 |
-0.061 ± 0.061 |
-3.52 ± 4.03 |
180.50 ± 3.95 |
| Average |
-0.723 |
-0.158 |
0.315 |
18.909 |
185.546 |
| Median |
-0.754 |
-0.058 |
0.398 |
23.428 |
208.274 |
| Deviation |
0.338 |
0.474 |
0.255 |
15.454 |
43.543 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
82.4 ± 6.6 |
257.6 ± 2.4 |
0.55 ± 0.04 |
| VC |
89.2 ± 4.9 |
281.2 ± 2.3 |
0.55 ± 0.04 |
| MX1 |
81.7 ± 4.9 |
231.9 ± 2.4 |
0.55 ± 0.04 |
| MX2 |
81.2 ± 5.0 |
234.4 ± 2.4 |
0.55 ± 0.04 |
| MX3 |
82.4 ± 4.7 |
229.7 ± 2.4 |
0.55 ± 0.04 |
| RH08 |
85.0 ± 4.3 |
14.0 ± 2.4 |
0.55 ± 0.04 |
| RH09 |
57.3 ± 5.8 |
392.3 ± 1.6 |
0.55 ± 0.04 |
| RH10 |
57.3 ± 5.8 |
392.3 ± 11.1 |
0.55 ± 0.04 |
| Average |
77.1 |
254.2 |
0.55 |
| Median |
82.4 |
257.6 |
0.55 |
| Deviation |
12.5 |
118.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-72.7 ± 8.2 |
6.6 ± 0.2 |
8.8 ± 0.5 |
100.2 ± 2.6 |
-11.10 ± 1.47 |
-0.73 ± 0.09 |
| VC |
-78.0 ± 6.4 |
0.7 ± 0.0 |
0.9 ± 0.1 |
100.4 ± 2.6 |
-112.96 ± 11.61 |
-0.78 ± 0.08 |
| MX1 |
-79.3 ± 6.9 |
7.2 ± 0.2 |
9.6 ± 0.5 |
100.1 ± 2.6 |
-11.09 ± 1.19 |
-0.79 ± 0.08 |
| MX2 |
-79.0 ± 7.1 |
7.6 ± 0.2 |
10.3 ± 0.6 |
100.1 ± 2.6 |
-10.35 ± 1.13 |
-0.79 ± 0.08 |
| MX3 |
-78.8 ± 6.8 |
6.6 ± 0.2 |
8.9 ± 0.5 |
100.2 ± 2.6 |
-11.90 ± 1.26 |
-0.79 ± 0.08 |
| RH8 |
26.8 ± 7.5 |
4.4 ± 0.1 |
5.9 ± 0.3 |
100.3 ± 2.6 |
6.12 ± 1.67 |
0.27 ± 0.07 |
| RH9 |
-64.6 ± 4.3 |
28.0 ± 0.9 |
36.3 ± 2.0 |
96.4 ± 2.5 |
-2.31 ± 0.20 |
-0.67 ± 0.06 |
| RH10 |
-64.6 ± 4.3 |
28.0 ± 0.9 |
36.3 ± 2.0 |
96.4 ± 2.5 |
-2.31 ± 0.20 |
-0.67 ± 0.06 |
| Average |
-61.3 |
11.1 |
14.7 |
99.2 |
-19.5 |
-0.6 |
| Median |
-72.7 |
7.2 |
9.6 |
100.2 |
-10.4 |
-0.7 |
| Deviation |
36.1 |
10.7 |
13.7 |
1.8 |
38.3 |
0.4 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-127.0 ± 5.2 |
5.1 ± 0.1 |
6.7 ± 0.2 |
78.9 ± 1.6 |
-24.69 ± 0.98 |
-1.61 ± 0.05 |
| VC |
-140.9 ± 4.6 |
0.5 ± 0.0 |
0.7 ± 0.0 |
79.1 ± 1.6 |
-259.98 ± 8.46 |
-1.78 ± 0.05 |
| MX1 |
-141.4 ± 4.6 |
5.6 ± 0.1 |
7.4 ± 0.2 |
78.9 ± 1.6 |
-25.21 ± 0.83 |
-1.79 ± 0.05 |
| MX2 |
-141.1 ± 4.7 |
6.0 ± 0.1 |
7.8 ± 0.2 |
78.9 ± 1.6 |
-23.56 ± 0.79 |
-1.79 ± 0.05 |
| MX3 |
-140.9 ± 4.5 |
5.2 ± 0.1 |
6.8 ± 0.2 |
78.9 ± 1.6 |
-27.12 ± 0.88 |
-1.78 ± 0.05 |
| RH8 |
44.8 ± 1.7 |
3.4 ± 0.1 |
4.5 ± 0.1 |
79.0 ± 1.6 |
13.08 ± 0.63 |
0.57 ± 0.03 |
| RH9 |
-116.4 ± 4.0 |
21.9 ± 0.4 |
27.7 ± 0.8 |
76.0 ± 1.5 |
-5.30 ± 0.17 |
-1.53 ± 0.04 |
| RH10 |
-116.4 ± 4.0 |
21.9 ± 0.4 |
27.7 ± 0.8 |
76.0 ± 1.5 |
-5.30 ± 0.17 |
-1.53 ± 0.04 |
| Average |
-109.9 |
8.7 |
11.2 |
78.2 |
-44.8 |
-1.4 |
| Median |
-127.0 |
5.6 |
7.4 |
78.9 |
-23.6 |
-1.6 |
| Deviation |
63.5 |
8.3 |
10.5 |
1.4 |
88.1 |
0.8 |
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)
| 
