Database: Wind Shock Analysis
Event ID: 20131081656
Observation time: 04/18/2013 108.70592 1656 [UT]
|
|
General
Information (About, Top)
| Year |
2013 |
| Fractional day of year |
108.705920 |
| Arrival time of shock [seconds of day] |
60991.5 ± 20.0 |
| Shock type |
SF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
261.039 |
| Y GSE location of spacecraft [Re] |
13.934 |
| Z GSE location of spacecraft [Re] |
21.030 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0422 |
| Downstream plasma points selected for analysis |
0004
|
| Downstream field points selected for analysis |
0288 |
| Minimum chisq/dof for RH8,RH9,RH10 |
2.06, 2.75, 3.10 |
Event added to database
|
Tue Oct 8 15:23:17 2013
|
Event last processed
|
Tue Oct 8 16:55:48 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
83.688 ± 2.336
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-287.7 ± 0.9 |
-298.0 ± 0.3 |
| Vy GSE [km/s] |
-20.3 ± 0.2 |
-14.5 ± 0.2 |
| Vz GSE [km/s] |
7.3 ± 1.6 |
11.4 ± 0.5 |
| Wi [km/s] |
16.5 ± 0.3 |
17.3 ± 0.2 |
| We [km/s] |
522.2 ± 8.5 |
546.8 ± 6.5 |
| Ni [n/cc] |
6.2 ± 0.1 |
7.1 ± 0.1 |
| Bx GSE [nT] |
-3.1 ± 0.1 |
-1.9 ± 0.1 |
| By GSE [nT] |
2.6 ± 0.0 |
2.1 ± 0.0 |
| Bz GSE [nT] |
-1.2 ± 0.2 |
-2.6 ± 0.1 |
Plasma Beta
|
0.199 ± 0.199
|
0.299 ± 0.298
|
Sound Speed [km/s]
|
21.32 ± 0.35
|
22.32 ± 0.26
|
Alfven Speed [km/s]
|
37.05 ± 0.34
|
31.63 ± 0.43
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.539 ± 0.028 |
0.555 ± 0.029 |
-0.634 ± 0.531 |
-39.33 ± 3.28 |
134.15 ± 1.27 |
| VC |
-0.821 ± 0.036 |
0.470 ± 0.039 |
0.324 ± 0.312 |
18.92 ± 6.02 |
150.23 ± 2.42 |
| MX1 |
-0.519 ± 0.035 |
0.581 ± 0.035 |
-0.627 ± 0.528 |
-38.83 ± 3.19 |
131.82 ± 2.58 |
| MX2 |
-0.540 ± 0.029 |
0.553 ± 0.029 |
-0.634 ± 0.531 |
-39.37 ± 3.26 |
134.34 ± 1.40 |
| MX3 |
-0.589 ± 0.045 |
0.484 ± 0.048 |
-0.647 ± 0.537 |
-40.34 ± 3.31 |
140.58 ± 4.04 |
| RH08 |
-0.555 ± 0.017 |
-0.811 ± 0.012 |
-0.184 ± 0.182 |
-10.62 ± 1.22 |
235.65 ± 1.21 |
| RH09 |
-0.555 ± 0.037 |
-0.811 ± 0.026 |
-0.184 ± 0.182 |
-10.62 ± 2.70 |
235.65 ± 2.58 |
| RH10 |
-0.555 ± 0.044 |
-0.811 ± 0.031 |
-0.184 ± 0.182 |
-10.62 ± 3.07 |
235.65 ± 3.05 |
| Average |
-0.584 |
0.026 |
-0.346 |
-21.354 |
174.760 |
| Median |
-0.555 |
0.484 |
-0.184 |
-10.624 |
150.232 |
| Deviation |
0.098 |
0.694 |
0.351 |
21.650 |
50.740 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
24.1 ± 2.9 |
187.4 ± 1.2 |
1.15 ± 0.02 |
| VC |
36.1 ± 2.9 |
326.2 ± 2.3 |
1.15 ± 0.02 |
| MX1 |
24.2 ± 2.9 |
181.3 ± 1.2 |
1.15 ± 0.02 |
| MX2 |
24.1 ± 2.9 |
187.9 ± 1.2 |
1.15 ± 0.02 |
| MX3 |
24.5 ± 2.7 |
203.2 ± 1.2 |
1.15 ± 0.02 |
| RH08 |
87.8 ± 0.6 |
176.3 ± 0.5 |
1.15 ± 0.02 |
| RH09 |
87.8 ± 0.6 |
176.3 ± 0.5 |
1.15 ± 0.02 |
| RH10 |
87.8 ± 0.6 |
176.3 ± 2.6 |
1.15 ± 0.02 |
| Average |
49.6 |
201.9 |
1.15 |
| Median |
36.1 |
187.4 |
1.15 |
| Deviation |
31.9 |
51.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
48.3 ± 0.6 |
18.8 ± 0.3 |
33.8 ± 0.3 |
38.4 ± 0.3 |
2.57 ± 0.03 |
1.26 ± 0.02 |
| VC |
97.1 ± 1.2 |
16.1 ± 0.2 |
29.9 ± 0.3 |
39.6 ± 0.4 |
6.03 ± 0.15 |
2.45 ± 0.05 |
| MX1 |
48.2 ± 0.6 |
18.8 ± 0.3 |
33.8 ± 0.3 |
38.4 ± 0.3 |
2.57 ± 0.03 |
1.25 ± 0.02 |
| MX2 |
48.3 ± 0.6 |
18.8 ± 0.3 |
33.8 ± 0.3 |
38.4 ± 0.3 |
2.57 ± 0.03 |
1.26 ± 0.02 |
| MX3 |
48.4 ± 0.6 |
18.7 ± 0.3 |
33.7 ± 0.3 |
38.4 ± 0.3 |
2.59 ± 0.03 |
1.26 ± 0.02 |
| RH8 |
1.6 ± 0.4 |
0.7 ± 0.0 |
1.4 ± 0.0 |
42.7 ± 0.4 |
2.25 ± 0.53 |
0.04 ± 0.01 |
| RH9 |
1.6 ± 0.4 |
0.7 ± 0.0 |
1.4 ± 0.0 |
42.7 ± 0.4 |
2.25 ± 0.53 |
0.04 ± 0.01 |
| RH10 |
1.6 ± 0.4 |
0.7 ± 0.0 |
1.4 ± 0.0 |
42.7 ± 0.4 |
2.25 ± 0.53 |
0.04 ± 0.01 |
| Average |
36.9 |
11.7 |
21.2 |
40.2 |
2.9 |
0.9 |
| Median |
48.3 |
18.7 |
33.7 |
39.6 |
2.6 |
1.3 |
| Deviation |
33.6 |
9.1 |
16.4 |
2.2 |
1.3 |
0.9 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
42.1 ± 0.1 |
19.2 ± 0.2 |
28.9 ± 0.4 |
33.6 ± 0.4 |
2.20 ± 0.03 |
1.25 ± 0.02 |
| VC |
84.6 ± 0.5 |
16.2 ± 0.2 |
25.6 ± 0.3 |
35.1 ± 0.5 |
5.21 ± 0.09 |
2.41 ± 0.04 |
| MX1 |
42.1 ± 0.1 |
19.1 ± 0.2 |
28.9 ± 0.4 |
33.6 ± 0.4 |
2.20 ± 0.03 |
1.25 ± 0.02 |
| MX2 |
42.1 ± 0.1 |
19.2 ± 0.2 |
28.9 ± 0.4 |
33.6 ± 0.4 |
2.20 ± 0.03 |
1.25 ± 0.02 |
| MX3 |
42.2 ± 0.1 |
19.1 ± 0.2 |
28.8 ± 0.4 |
33.7 ± 0.4 |
2.21 ± 0.03 |
1.25 ± 0.02 |
| RH8 |
1.4 ± 0.2 |
0.7 ± 0.0 |
1.2 ± 0.0 |
38.7 ± 0.5 |
2.02 ± 0.26 |
0.04 ± 0.00 |
| RH9 |
1.4 ± 0.2 |
0.7 ± 0.0 |
1.2 ± 0.0 |
38.7 ± 0.5 |
2.02 ± 0.26 |
0.04 ± 0.00 |
| RH10 |
1.4 ± 0.2 |
0.7 ± 0.0 |
1.2 ± 0.0 |
38.7 ± 0.5 |
2.02 ± 0.26 |
0.04 ± 0.00 |
| Average |
32.2 |
11.9 |
18.1 |
35.7 |
2.5 |
0.9 |
| Median |
42.1 |
19.1 |
28.8 |
35.1 |
2.2 |
1.3 |
| Deviation |
29.2 |
9.3 |
14.0 |
2.5 |
1.1 |
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 Fri Jun 13 11:06:02 2014
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
