Database: Wind Shock Analysis
Event ID: 20122230411
Observation time: 08/10/2012 223.17439 0411 [UT]
|
|
General
Information (About, Top)
| Year |
2012 |
| Fractional day of year |
223.174392 |
| Arrival time of shock [seconds of day] |
15067.5 ± 20.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
384.110 |
| Y GSE location of spacecraft [Re] |
208.270 |
| Z GSE location of spacecraft [Re] |
107.272 |
| Upstream plasma points selected for analysis |
0003 |
| Upstream field points selected for analysis |
0126 |
| Downstream plasma points selected for analysis |
0004
|
| Downstream field points selected for analysis |
0122 |
| Minimum chisq/dof for RH8,RH9,RH10 |
19.38, 69.67, 124.10 |
Event added to database
|
Thu Sep 19 16:30:27 2013
|
Event last processed
|
Mon Oct 7 14:25:58 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
-310.669 ± 145.454
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-326.1 ± 0.2 |
-351.3 ± 4.5 |
| Vy GSE [km/s] |
-4.2 ± 1.0 |
-19.5 ± 1.9 |
| Vz GSE [km/s] |
5.2 ± 1.0 |
7.2 ± 2.2 |
| Wi [km/s] |
18.2 ± 0.7 |
22.2 ± 0.7 |
| We [km/s] |
577.0 ± 22.9 |
702.9 ± 22.4 |
| Ni [n/cc] |
6.8 ± 0.3 |
10.8 ± 0.6 |
| Bx GSE [nT] |
-1.0 ± 0.0 |
-2.1 ± 0.4 |
| By GSE [nT] |
3.4 ± 0.0 |
5.1 ± 0.2 |
| Bz GSE [nT] |
1.3 ± 0.1 |
1.5 ± 0.1 |
Plasma Beta
|
0.338 ± 0.337
|
0.337 ± 0.349
|
Sound Speed [km/s]
|
23.56 ± 0.94
|
28.70 ± 0.91
|
Alfven Speed [km/s]
|
31.50 ± 1.52
|
38.32 ± 0.97
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.677 ± 0.204 |
-0.353 ± 0.173 |
-0.646 ± 0.536 |
-40.21 ± 19.07 |
207.53 ± 11.98 |
| VC |
-0.849 ± 0.062 |
-0.524 ± 0.100 |
0.064 ± 0.064 |
3.67 ± 4.07 |
211.66 ± 6.72 |
| MX1 |
-0.836 ± 0.088 |
-0.546 ± 0.135 |
0.054 ± 0.054 |
3.09 ± 4.74 |
213.18 ± 9.24 |
| MX2 |
-0.835 ± 0.088 |
-0.547 ± 0.135 |
0.056 ± 0.056 |
3.22 ± 4.49 |
213.20 ± 9.26 |
| MX3 |
-0.835 ± 0.089 |
-0.547 ± 0.135 |
0.060 ± 0.059 |
3.41 ± 4.16 |
213.23 ± 9.29 |
| RH08 |
0.010 ± 0.052 |
-0.210 ± 0.031 |
0.978 ± 0.286 |
77.86 ± 1.79 |
272.76 ± 14.26 |
| RH09 |
-0.348 ± 0.065 |
-0.409 ± 0.063 |
0.844 ± 0.539 |
57.52 ± 3.95 |
229.64 ± 7.37 |
| RH10 |
-0.348 ± 0.065 |
-0.409 ± 0.063 |
0.844 ± 0.539 |
57.52 ± 3.95 |
229.64 ± 7.39 |
| Average |
-0.590 |
-0.443 |
0.282 |
20.761 |
223.855 |
| Median |
-0.677 |
-0.409 |
0.064 |
3.668 |
213.233 |
| Deviation |
0.324 |
0.122 |
0.557 |
39.449 |
21.427 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
68.7 ± 0.7 |
279.0 ± 2.0 |
1.57 ± 0.07 |
| VC |
76.4 ± 0.6 |
359.6 ± 2.3 |
1.57 ± 0.07 |
| MX1 |
74.8 ± 0.6 |
355.6 ± 2.3 |
1.57 ± 0.07 |
| MX2 |
74.8 ± 0.6 |
355.5 ± 2.3 |
1.57 ± 0.07 |
| MX3 |
74.8 ± 0.6 |
355.3 ± 2.3 |
1.57 ± 0.07 |
| RH08 |
82.2 ± 1.6 |
16.3 ± 1.4 |
1.57 ± 0.07 |
| RH09 |
89.9 ± 1.5 |
163.0 ± 1.6 |
1.57 ± 0.07 |
| RH10 |
89.9 ± 1.5 |
163.0 ± 5.5 |
1.57 ± 0.07 |
| Average |
78.9 |
255.9 |
1.57 |
| Median |
76.4 |
355.3 |
1.57 |
| Deviation |
7.7 |
128.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
60.1 ± 0.5 |
6.9 ± 0.1 |
11.4 ± 0.6 |
38.7 ± 1.0 |
8.65 ± 0.11 |
1.55 ± 0.04 |
| VC |
80.1 ± 0.5 |
4.5 ± 0.1 |
7.4 ± 0.4 |
39.1 ± 1.0 |
17.96 ± 0.30 |
2.05 ± 0.04 |
| MX1 |
80.4 ± 0.5 |
5.0 ± 0.1 |
8.3 ± 0.4 |
39.0 ± 1.0 |
16.14 ± 0.27 |
2.06 ± 0.04 |
| MX2 |
80.4 ± 0.5 |
5.0 ± 0.1 |
8.3 ± 0.4 |
39.0 ± 1.0 |
16.17 ± 0.27 |
2.06 ± 0.04 |
| MX3 |
80.4 ± 0.5 |
5.0 ± 0.1 |
8.2 ± 0.4 |
39.0 ± 1.0 |
16.21 ± 0.27 |
2.06 ± 0.04 |
| RH8 |
13.6 ± 1.1 |
2.6 ± 0.0 |
4.3 ± 0.2 |
39.3 ± 1.0 |
5.31 ± 0.48 |
0.35 ± 0.02 |
| RH9 |
43.4 ± 1.2 |
0.0 ± 0.0 |
0.1 ± 0.0 |
39.4 ± 1.0 |
1259.82 ± 42.26 |
1.10 ± 0.02 |
| RH10 |
43.4 ± 1.2 |
0.0 ± 0.0 |
0.1 ± 0.0 |
39.4 ± 1.0 |
1259.82 ± 42.26 |
1.10 ± 0.02 |
| Average |
60.2 |
3.6 |
6.0 |
39.1 |
325.0 |
1.5 |
| Median |
80.1 |
5.0 |
8.2 |
39.1 |
16.2 |
2.0 |
| Deviation |
25.0 |
2.5 |
4.1 |
0.2 |
577.0 |
0.6 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
38.9 ± 2.8 |
8.5 ± 0.2 |
13.9 ± 0.4 |
47.1 ± 0.9 |
4.60 ± 0.38 |
0.83 ± 0.06 |
| VC |
50.5 ± 3.5 |
5.4 ± 0.1 |
9.0 ± 0.2 |
47.6 ± 0.9 |
9.31 ± 0.66 |
1.06 ± 0.07 |
| MX1 |
50.9 ± 3.5 |
6.1 ± 0.1 |
10.1 ± 0.3 |
47.5 ± 0.9 |
8.39 ± 0.59 |
1.07 ± 0.07 |
| MX2 |
50.9 ± 3.5 |
6.1 ± 0.1 |
10.0 ± 0.3 |
47.5 ± 0.9 |
8.40 ± 0.59 |
1.07 ± 0.07 |
| MX3 |
50.9 ± 3.5 |
6.0 ± 0.1 |
10.0 ± 0.3 |
47.5 ± 0.9 |
8.42 ± 0.59 |
1.07 ± 0.07 |
| RH8 |
8.7 ± 1.8 |
3.1 ± 0.1 |
5.2 ± 0.1 |
47.8 ± 0.9 |
2.79 ± 0.54 |
0.18 ± 0.04 |
| RH9 |
26.8 ± 2.4 |
0.0 ± 0.0 |
0.1 ± 0.0 |
47.9 ± 0.9 |
636.87 ± 48.63 |
0.56 ± 0.04 |
| RH10 |
26.8 ± 2.4 |
0.0 ± 0.0 |
0.1 ± 0.0 |
47.9 ± 0.9 |
636.87 ± 48.63 |
0.56 ± 0.04 |
| Average |
38.1 |
4.4 |
7.3 |
47.6 |
164.5 |
0.8 |
| Median |
50.5 |
6.0 |
10.0 |
47.6 |
8.4 |
1.1 |
| Deviation |
15.9 |
3.1 |
5.0 |
0.3 |
291.6 |
0.3 |
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)
| 
