Database: Wind Shock Analysis
Event ID: 20170260713
Observation time: 01/26/2017 26.30082 0713 [UT]
|
|
General
Information (About, Top)
| Year |
2017 |
| Fractional day of year |
26.300816 |
| Arrival time of shock [seconds of day] |
25990.5 ± 60.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
215.971 |
| Y GSE location of spacecraft [Re] |
99.568 |
| Z GSE location of spacecraft [Re] |
-4.337 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0280 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0260 |
| Minimum chisq/dof for RH8,RH9,RH10 |
3.47, 12.80, 13.02 |
Event added to database
|
Tue Oct 24 11:41:50 2017
|
Event last processed
|
Tue Oct 24 13:07:19 2017
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
63.022 ± 0.658
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-323.4 ± 1.0 |
-354.7 ± 4.6 |
| Vy GSE [km/s] |
-40.7 ± 1.7 |
-57.7 ± 3.6 |
| Vz GSE [km/s] |
-10.9 ± 2.9 |
-13.1 ± 6.8 |
| Wi [km/s] |
21.4 ± 2.0 |
27.9 ± 2.3 |
| We [km/s] |
676.3 ± 63.8 |
882.1 ± 71.2 |
| Ni [n/cc] |
6.2 ± 1.1 |
15.6 ± 1.1 |
| Bx GSE [nT] |
-5.4 ± 0.2 |
-6.0 ± 0.8 |
| By GSE [nT] |
1.4 ± 0.5 |
6.5 ± 0.9 |
| Bz GSE [nT] |
-0.9 ± 0.5 |
-2.9 ± 1.1 |
Plasma Beta
|
0.188 ± 0.159
|
0.294 ± 0.271
|
Sound Speed [km/s]
|
27.61 ± 2.60
|
36.01 ± 2.91
|
Alfven Speed [km/s]
|
50.60 ± 3.69
|
52.12 ± 2.58
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.990 ± 0.022 |
-0.134 ± 0.157 |
-0.039 ± 0.039 |
-2.25 ± 6.96 |
187.72 ± 9.09 |
| VC |
-0.874 ± 0.068 |
-0.481 ± 0.123 |
-0.066 ± 0.066 |
-3.77 ± 10.67 |
208.82 ± 8.04 |
| MX1 |
-0.980 ± 0.030 |
-0.161 ± 0.159 |
-0.119 ± 0.119 |
-6.85 ± 7.06 |
189.33 ± 9.29 |
| MX2 |
-0.969 ± 0.033 |
-0.181 ± 0.146 |
-0.168 ± 0.166 |
-9.67 ± 6.64 |
190.56 ± 8.62 |
| MX3 |
-0.961 ± 0.037 |
-0.193 ± 0.142 |
-0.199 ± 0.197 |
-11.50 ± 6.76 |
191.36 ± 8.48 |
| RH08 |
-0.980 ± 0.003 |
-0.182 ± 0.014 |
-0.084 ± 0.084 |
-4.81 ± 1.22 |
190.53 ± 0.80 |
| RH09 |
-0.978 ± 0.015 |
-0.129 ± 0.069 |
-0.162 ± 0.161 |
-9.32 ± 4.03 |
187.52 ± 4.07 |
| RH10 |
-0.978 ± 0.015 |
-0.129 ± 0.069 |
-0.162 ± 0.161 |
-9.32 ± 4.03 |
187.52 ± 4.07 |
| Average |
-0.964 |
-0.199 |
-0.125 |
-7.187 |
191.670 |
| Median |
-0.978 |
-0.161 |
-0.119 |
-6.847 |
190.529 |
| Deviation |
0.037 |
0.117 |
0.057 |
3.288 |
7.093 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
23.3 ± 6.1 |
381.1 ± 1.2 |
2.57 ± 0.43 |
| VC |
43.3 ± 5.5 |
359.9 ± 1.2 |
2.57 ± 0.43 |
| MX1 |
24.0 ± 5.3 |
379.6 ± 1.1 |
2.57 ± 0.43 |
| MX2 |
25.1 ± 4.8 |
377.3 ± 1.1 |
2.57 ± 0.43 |
| MX3 |
26.0 ± 4.6 |
375.4 ± 1.1 |
2.57 ± 0.43 |
| RH08 |
25.4 ± 5.6 |
380.5 ± 1.2 |
2.57 ± 0.43 |
| RH09 |
22.2 ± 4.9 |
377.5 ± 1.1 |
2.57 ± 0.43 |
| RH10 |
22.2 ± 4.9 |
377.5 ± 9.4 |
2.57 ± 0.43 |
| Average |
26.4 |
376.1 |
2.57 |
| Median |
25.1 |
377.5 |
2.57 |
| Deviation |
7.0 |
6.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
55.0 ± 1.0 |
24.5 ± 1.7 |
46.5 ± 3.4 |
52.2 ± 3.0 |
2.25 ± 0.14 |
1.06 ± 0.07 |
| VC |
56.9 ± 1.3 |
18.5 ± 1.0 |
36.8 ± 2.7 |
54.7 ± 2.4 |
3.08 ± 0.14 |
1.04 ± 0.07 |
| MX1 |
54.9 ± 0.9 |
24.3 ± 1.7 |
46.2 ± 3.4 |
52.3 ± 2.9 |
2.27 ± 0.14 |
1.05 ± 0.07 |
| MX2 |
54.7 ± 0.8 |
24.0 ± 1.7 |
45.8 ± 3.3 |
52.5 ± 2.9 |
2.28 ± 0.14 |
1.05 ± 0.07 |
| MX3 |
54.7 ± 0.8 |
23.8 ± 1.6 |
45.5 ± 3.3 |
52.6 ± 2.9 |
2.30 ± 0.14 |
1.04 ± 0.07 |
| RH8 |
55.4 ± 1.0 |
24.0 ± 1.6 |
45.7 ± 3.3 |
52.5 ± 2.9 |
2.32 ± 0.14 |
1.06 ± 0.07 |
| RH9 |
54.1 ± 0.8 |
24.8 ± 1.8 |
46.8 ± 3.4 |
52.1 ± 3.0 |
2.19 ± 0.14 |
1.04 ± 0.07 |
| RH10 |
54.1 ± 0.8 |
24.8 ± 1.8 |
46.8 ± 3.4 |
52.1 ± 3.0 |
2.19 ± 0.14 |
1.04 ± 0.07 |
| Average |
55.0 |
23.6 |
45.0 |
52.6 |
2.4 |
1.0 |
| Median |
54.9 |
24.3 |
46.2 |
52.5 |
2.3 |
1.0 |
| Deviation |
0.9 |
2.1 |
3.4 |
0.9 |
0.3 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
21.6 ± 4.1 |
31.1 ± 1.6 |
47.9 ± 2.4 |
55.2 ± 1.5 |
0.69 ± 0.12 |
0.39 ± 0.08 |
| VC |
21.2 ± 2.7 |
23.0 ± 1.0 |
37.9 ± 1.9 |
59.1 ± 1.3 |
0.92 ± 0.11 |
0.36 ± 0.04 |
| MX1 |
21.2 ± 3.9 |
30.9 ± 1.6 |
47.6 ± 2.4 |
55.4 ± 1.5 |
0.69 ± 0.11 |
0.38 ± 0.07 |
| MX2 |
20.9 ± 3.8 |
30.5 ± 1.6 |
47.2 ± 2.3 |
55.6 ± 1.5 |
0.69 ± 0.11 |
0.38 ± 0.07 |
| MX3 |
20.9 ± 3.8 |
30.2 ± 1.5 |
46.8 ± 2.3 |
55.8 ± 1.5 |
0.69 ± 0.11 |
0.37 ± 0.07 |
| RH8 |
21.4 ± 3.9 |
30.4 ± 1.5 |
47.1 ± 2.3 |
55.7 ± 1.5 |
0.70 ± 0.12 |
0.38 ± 0.07 |
| RH9 |
20.9 ± 4.0 |
31.5 ± 1.7 |
48.3 ± 2.4 |
55.0 ± 1.6 |
0.66 ± 0.11 |
0.38 ± 0.07 |
| RH10 |
20.9 ± 4.0 |
31.5 ± 1.7 |
48.3 ± 2.4 |
55.0 ± 1.6 |
0.66 ± 0.11 |
0.38 ± 0.07 |
| Average |
21.1 |
29.9 |
46.4 |
55.9 |
0.7 |
0.4 |
| Median |
21.2 |
30.9 |
47.6 |
55.6 |
0.7 |
0.4 |
| Deviation |
0.3 |
2.8 |
3.5 |
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)
| 
