Database: Wind Shock Analysis
Event ID: 20172492302
Observation time: 09/06/2017 249.96026 2302 [UT]
|
|
General
Information (About, Top)
| Year |
2017 |
| Fractional day of year |
249.960260 |
| Arrival time of shock [seconds of day] |
82966.5 ± 30.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
262.098 |
| Y GSE location of spacecraft [Re] |
12.579 |
| Z GSE location of spacecraft [Re] |
10.497 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0158 |
| Downstream plasma points selected for analysis |
0005
|
| Downstream field points selected for analysis |
0159 |
| Minimum chisq/dof for RH8,RH9,RH10 |
2.74, 8.20, 8.80 |
Event added to database
|
Tue Oct 24 12:59:08 2017
|
Event last processed
|
Wed Oct 25 12:08:19 2017
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
44.466 ± 0.413
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-403.9 ± 11.4 |
-575.0 ± 7.5 |
| Vy GSE [km/s] |
-16.1 ± 24.7 |
-21.0 ± 20.6 |
| Vz GSE [km/s] |
27.8 ± 23.6 |
21.1 ± 44.1 |
| Wi [km/s] |
22.8 ± 6.3 |
46.4 ± 13.8 |
| We [km/s] |
719.4 ± 199.4 |
1468.4 ± 435.2 |
| Ni [n/cc] |
1.8 ± 0.6 |
9.0 ± 2.7 |
| Bx GSE [nT] |
1.9 ± 0.8 |
1.6 ± 1.1 |
| By GSE [nT] |
-1.5 ± 1.6 |
-8.8 ± 2.3 |
| Bz GSE [nT] |
-0.5 ± 0.8 |
2.8 ± 3.4 |
Plasma Beta
|
0.275 ± 0.155
|
0.521 ± 0.319
|
Sound Speed [km/s]
|
29.37 ± 8.14
|
59.95 ± 17.77
|
Alfven Speed [km/s]
|
49.38 ± 9.11
|
76.07 ± 20.25
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.892 ± 0.200 |
0.345 ± 0.420 |
0.293 ± 0.284 |
17.01 ± 24.70 |
158.85 ± 26.83 |
| VC |
-0.999 ± 0.009 |
-0.025 ± 0.171 |
-0.032 ± 0.032 |
-1.81 ± 14.44 |
181.42 ± 9.78 |
| MX1 |
-0.996 ± 0.047 |
0.056 ± 0.635 |
0.076 ± 0.076 |
4.34 ± 23.12 |
176.79 ± 36.55 |
| MX2 |
-0.999 ± 0.008 |
-0.003 ± 0.247 |
-0.036 ± 0.036 |
-2.07 ± 12.10 |
180.15 ± 14.16 |
| MX3 |
-1.000 ± 0.006 |
0.009 ± 0.223 |
-0.025 ± 0.025 |
-1.44 ± 12.03 |
179.49 ± 12.80 |
| RH08 |
-0.998 ± 0.002 |
0.044 ± 0.037 |
0.050 ± 0.050 |
2.88 ± 2.11 |
177.49 ± 2.14 |
| RH09 |
-0.960 ± 0.020 |
0.127 ± 0.070 |
0.251 ± 0.246 |
14.56 ± 3.99 |
172.48 ± 4.20 |
| RH10 |
-0.960 ± 0.020 |
0.127 ± 0.070 |
0.251 ± 0.246 |
14.56 ± 3.99 |
172.48 ± 4.20 |
| Average |
-0.975 |
0.085 |
0.104 |
6.004 |
174.894 |
| Median |
-0.996 |
0.056 |
0.076 |
4.341 |
177.493 |
| Deviation |
0.038 |
0.119 |
0.140 |
8.123 |
7.280 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
32.3 ± 18.6 |
554.1 ± 3.9 |
5.20 ± 1.50 |
| VC |
46.6 ± 21.6 |
621.2 ± 5.7 |
5.20 ± 1.50 |
| MX1 |
43.0 ± 18.2 |
622.1 ± 4.8 |
5.20 ± 1.50 |
| MX2 |
46.0 ± 20.9 |
621.0 ± 5.7 |
5.20 ± 1.50 |
| MX3 |
45.5 ± 20.5 |
621.1 ± 5.6 |
5.20 ± 1.50 |
| RH08 |
43.6 ± 18.7 |
622.3 ± 5.0 |
5.20 ± 1.50 |
| RH09 |
40.0 ± 16.0 |
604.1 ± 4.1 |
5.20 ± 1.50 |
| RH10 |
40.0 ± 16.0 |
604.1 ± 20.3 |
5.20 ± 1.50 |
| Average |
42.1 |
608.7 |
5.20 |
| Median |
43.6 |
621.1 |
5.20 |
| Deviation |
4.7 |
23.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
191.4 ± 11.1 |
22.4 ± 4.1 |
41.8 ± 7.7 |
53.6 ± 6.6 |
8.82 ± 1.90 |
3.60 ± 0.28 |
| VC |
218.1 ± 12.1 |
17.5 ± 2.8 |
33.9 ± 6.3 |
55.5 ± 6.0 |
12.71 ± 1.93 |
3.97 ± 0.52 |
| MX1 |
218.8 ± 10.2 |
18.8 ± 3.1 |
36.1 ± 6.7 |
55.1 ± 6.1 |
11.90 ± 1.97 |
4.01 ± 0.47 |
| MX2 |
218.3 ± 11.7 |
17.7 ± 2.9 |
34.3 ± 6.3 |
55.4 ± 6.0 |
12.56 ± 1.92 |
3.98 ± 0.51 |
| MX3 |
218.3 ± 11.4 |
17.9 ± 2.9 |
34.6 ± 6.4 |
55.4 ± 6.0 |
12.43 ± 1.92 |
3.98 ± 0.51 |
| RH8 |
218.6 ± 10.5 |
18.6 ± 3.1 |
35.8 ± 6.6 |
55.1 ± 6.1 |
12.02 ± 1.96 |
4.00 ± 0.48 |
| RH9 |
211.7 ± 10.4 |
19.8 ± 3.4 |
37.8 ± 7.0 |
54.7 ± 6.2 |
10.95 ± 2.04 |
3.90 ± 0.39 |
| RH10 |
211.7 ± 10.4 |
19.8 ± 3.4 |
37.8 ± 7.0 |
54.7 ± 6.2 |
10.95 ± 2.04 |
3.90 ± 0.39 |
| Average |
213.4 |
19.0 |
36.5 |
54.9 |
11.5 |
3.9 |
| Median |
218.3 |
18.8 |
36.1 |
55.1 |
12.0 |
4.0 |
| Deviation |
9.4 |
1.6 |
2.6 |
0.6 |
1.3 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
42.4 ± 19.5 |
41.8 ± 9.1 |
64.3 ± 17.1 |
89.1 ± 16.1 |
1.06 ± 0.59 |
0.47 ± 0.21 |
| VC |
46.8 ± 7.4 |
32.6 ± 6.9 |
52.3 ± 13.9 |
92.9 ± 16.8 |
1.46 ± 0.20 |
0.51 ± 0.06 |
| MX1 |
49.2 ± 8.8 |
35.0 ± 7.5 |
55.7 ± 14.8 |
92.0 ± 16.7 |
1.44 ± 0.33 |
0.54 ± 0.08 |
| MX2 |
47.1 ± 7.8 |
33.0 ± 7.0 |
52.9 ± 14.1 |
92.8 ± 16.8 |
1.44 ± 0.20 |
0.51 ± 0.06 |
| MX3 |
47.1 ± 7.9 |
33.3 ± 7.1 |
53.4 ± 14.2 |
92.6 ± 16.8 |
1.43 ± 0.21 |
0.51 ± 0.06 |
| RH8 |
48.4 ± 8.3 |
34.6 ± 7.4 |
55.1 ± 14.7 |
92.2 ± 16.7 |
1.43 ± 0.29 |
0.53 ± 0.07 |
| RH9 |
49.7 ± 14.5 |
37.0 ± 8.0 |
58.3 ± 15.5 |
91.2 ± 16.5 |
1.40 ± 0.54 |
0.55 ± 0.16 |
| RH10 |
49.7 ± 14.5 |
37.0 ± 8.0 |
58.3 ± 15.5 |
91.2 ± 16.5 |
1.40 ± 0.54 |
0.55 ± 0.16 |
| Average |
47.5 |
35.5 |
56.3 |
91.8 |
1.4 |
0.5 |
| Median |
48.4 |
35.0 |
55.7 |
92.2 |
1.4 |
0.5 |
| Deviation |
2.4 |
3.0 |
4.0 |
1.3 |
0.1 |
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)
| 
