Database: Wind Shock Analysis
Event ID: 20150260752
Observation time: 01/26/2015 26.32780 0752 [UT]
|
|
General
Information (About, Top)
| Year |
2015 |
| Fractional day of year |
26.327795 |
| Arrival time of shock [seconds of day] |
28321.5 ± 30.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
199.203 |
| Y GSE location of spacecraft [Re] |
71.158 |
| Z GSE location of spacecraft [Re] |
-12.697 |
| Upstream plasma points selected for analysis |
0004 |
| Upstream field points selected for analysis |
0122 |
| Downstream plasma points selected for analysis |
0003
|
| Downstream field points selected for analysis |
0101 |
| Minimum chisq/dof for RH8,RH9,RH10 |
36.91, 144.34, 228.00 |
Event added to database
|
Fri Apr 17 10:56:11 2015
|
Event last processed
|
Tue May 17 16:29:03 2016
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
7.485 ± 4.468
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-365.4 ± 0.7 |
-385.5 ± 2.5 |
| Vy GSE [km/s] |
-0.8 ± 1.0 |
3.5 ± 3.5 |
| Vz GSE [km/s] |
0.6 ± 0.5 |
28.5 ± 1.3 |
| Wi [km/s] |
24.2 ± 0.4 |
26.3 ± 0.6 |
| We [km/s] |
765.0 ± 11.6 |
831.6 ± 18.0 |
| Ni [n/cc] |
22.5 ± 0.7 |
28.7 ± 0.6 |
| Bx GSE [nT] |
-7.5 ± 0.4 |
-12.6 ± 0.2 |
| By GSE [nT] |
-3.1 ± 0.6 |
-6.5 ± 0.3 |
| Bz GSE [nT] |
-7.9 ± 0.4 |
-10.2 ± 0.2 |
Plasma Beta
|
0.215 ± 0.219
|
0.137 ± 0.136
|
Sound Speed [km/s]
|
31.23 ± 0.47
|
33.95 ± 0.73
|
Alfven Speed [km/s]
|
52.25 ± 1.21
|
71.08 ± 0.79
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.134 ± 0.218 |
-0.478 ± 0.153 |
0.868 ± 0.522 |
60.21 ± 9.66 |
254.38 ± 25.71 |
| VC |
-0.581 ± 0.047 |
0.118 ± 0.077 |
0.805 ± 0.555 |
53.61 ± 3.24 |
168.53 ± 7.55 |
| MX1 |
-0.499 ± 0.081 |
0.145 ± 0.079 |
0.855 ± 0.532 |
58.72 ± 5.45 |
163.79 ± 8.66 |
| MX2 |
-0.504 ± 0.078 |
0.156 ± 0.080 |
0.850 ± 0.535 |
58.17 ± 5.26 |
162.82 ± 8.74 |
| MX3 |
-0.512 ± 0.075 |
0.172 ± 0.083 |
0.842 ± 0.540 |
57.31 ± 5.00 |
161.42 ± 8.95 |
| RH08 |
-0.372 ± 0.011 |
0.863 ± 0.008 |
-0.341 ± 0.327 |
-19.92 ± 1.23 |
113.31 ± 0.73 |
| RH09 |
-0.392 ± 0.065 |
0.867 ± 0.035 |
-0.307 ± 0.297 |
-17.89 ± 4.01 |
114.32 ± 4.24 |
| RH10 |
-0.374 ± 0.066 |
0.867 ± 0.035 |
-0.330 ± 0.317 |
-19.25 ± 4.00 |
113.31 ± 4.29 |
| Average |
-0.421 |
0.339 |
0.405 |
28.871 |
156.485 |
| Median |
-0.392 |
0.172 |
0.842 |
57.315 |
162.820 |
| Deviation |
0.139 |
0.485 |
0.606 |
39.706 |
46.829 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
67.5 ± 3.6 |
167.7 ± 4.1 |
1.26 ± 0.04 |
| VC |
78.2 ± 2.9 |
378.1 ± 6.2 |
1.26 ± 0.04 |
| MX1 |
72.4 ± 2.9 |
347.9 ± 6.2 |
1.26 ± 0.04 |
| MX2 |
72.7 ± 2.8 |
349.7 ± 6.2 |
1.26 ± 0.04 |
| MX3 |
73.1 ± 2.8 |
352.4 ± 6.2 |
1.26 ± 0.04 |
| RH08 |
75.7 ± 3.1 |
147.4 ± 4.3 |
1.26 ± 0.04 |
| RH09 |
76.4 ± 3.0 |
162.1 ± 4.5 |
1.26 ± 0.04 |
| RH10 |
76.2 ± 3.1 |
149.9 ± 14.5 |
1.26 ± 0.04 |
| Average |
74.0 |
256.9 |
1.26 |
| Median |
75.7 |
347.9 |
1.26 |
| Deviation |
3.3 |
107.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
117.9 ± 0.5 |
10.4 ± 0.1 |
20.0 ± 0.5 |
60.0 ± 1.1 |
11.34 ± 0.13 |
1.97 ± 0.03 |
| VC |
165.3 ± 0.5 |
5.5 ± 0.1 |
10.7 ± 0.2 |
60.6 ± 1.1 |
29.99 ± 0.36 |
2.73 ± 0.05 |
| MX1 |
165.4 ± 0.5 |
8.2 ± 0.1 |
15.8 ± 0.4 |
60.3 ± 1.1 |
20.27 ± 0.25 |
2.74 ± 0.05 |
| MX2 |
165.2 ± 0.5 |
8.0 ± 0.1 |
15.6 ± 0.4 |
60.3 ± 1.1 |
20.53 ± 0.25 |
2.74 ± 0.05 |
| MX3 |
165.0 ± 0.5 |
7.9 ± 0.1 |
15.2 ± 0.4 |
60.4 ± 1.1 |
20.96 ± 0.26 |
2.73 ± 0.05 |
| RH8 |
12.3 ± 0.7 |
6.6 ± 0.1 |
12.9 ± 0.3 |
60.5 ± 1.1 |
1.85 ± 0.11 |
0.20 ± 0.01 |
| RH9 |
19.8 ± 0.7 |
6.3 ± 0.1 |
12.3 ± 0.3 |
60.5 ± 1.1 |
3.12 ± 0.13 |
0.33 ± 0.02 |
| RH10 |
14.3 ± 0.7 |
6.4 ± 0.1 |
12.5 ± 0.3 |
60.5 ± 1.1 |
2.22 ± 0.12 |
0.24 ± 0.01 |
| Average |
103.1 |
7.4 |
14.4 |
60.4 |
13.8 |
1.7 |
| Median |
165.0 |
7.9 |
15.2 |
60.5 |
20.3 |
2.7 |
| Deviation |
74.4 |
1.5 |
2.9 |
0.2 |
10.7 |
1.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
93.1 ± 1.0 |
11.8 ± 0.2 |
27.2 ± 0.3 |
77.9 ± 0.5 |
7.86 ± 0.16 |
1.20 ± 0.01 |
| VC |
130.7 ± 2.5 |
6.3 ± 0.1 |
14.6 ± 0.2 |
78.5 ± 0.5 |
20.78 ± 0.71 |
1.66 ± 0.03 |
| MX1 |
130.9 ± 2.5 |
9.3 ± 0.2 |
21.4 ± 0.2 |
78.2 ± 0.5 |
14.07 ± 0.48 |
1.67 ± 0.03 |
| MX2 |
130.8 ± 2.5 |
9.2 ± 0.1 |
21.2 ± 0.2 |
78.2 ± 0.5 |
14.25 ± 0.49 |
1.67 ± 0.03 |
| MX3 |
130.5 ± 2.6 |
9.0 ± 0.1 |
20.7 ± 0.2 |
78.3 ± 0.5 |
14.54 ± 0.51 |
1.67 ± 0.03 |
| RH8 |
10.6 ± 3.6 |
7.6 ± 0.1 |
17.5 ± 0.2 |
78.4 ± 0.5 |
1.40 ± 0.49 |
0.14 ± 0.05 |
| RH9 |
16.7 ± 3.7 |
7.2 ± 0.1 |
16.7 ± 0.2 |
78.4 ± 0.5 |
2.31 ± 0.54 |
0.21 ± 0.05 |
| RH10 |
12.2 ± 3.7 |
7.3 ± 0.1 |
17.0 ± 0.2 |
78.4 ± 0.5 |
1.67 ± 0.51 |
0.16 ± 0.05 |
| Average |
81.9 |
8.5 |
19.5 |
78.3 |
9.6 |
1.0 |
| Median |
130.5 |
9.0 |
20.7 |
78.4 |
14.1 |
1.7 |
| Deviation |
58.4 |
1.7 |
3.9 |
0.2 |
7.3 |
0.7 |
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)
| 
