Database: Wind Shock Analysis
Event ID: 20092832250
Observation time: 10/10/2009 283.95165 2250 [UT]
|
|
General
Information (About, Top)
| Year |
2009 |
| Fractional day of year |
283.951649 |
| Arrival time of shock [seconds of day] |
82222.5 ± 30.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
215.834 |
| Y GSE location of spacecraft [Re] |
96.823 |
| Z GSE location of spacecraft [Re] |
-0.145 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0207 |
| Downstream plasma points selected for analysis |
0005
|
| Downstream field points selected for analysis |
0158 |
| Minimum chisq/dof for RH8,RH9,RH10 |
13.62, 40.86, 48.59 |
Event added to database
|
Wed Sep 25 10:18:26 2013
|
Event last processed
|
Wed Sep 25 11:01:16 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
-35.821 ± 33.455
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-263.9 ± 1.4 |
-287.1 ± 1.0 |
| Vy GSE [km/s] |
-5.4 ± 0.4 |
-27.4 ± 2.8 |
| Vz GSE [km/s] |
-1.4 ± 1.7 |
-10.6 ± 0.7 |
| Wi [km/s] |
18.6 ± 0.5 |
23.2 ± 0.6 |
| We [km/s] |
587.6 ± 17.1 |
735.0 ± 20.5 |
| Ni [n/cc] |
8.0 ± 0.4 |
13.9 ± 0.5 |
| Bx GSE [nT] |
1.6 ± 0.1 |
3.0 ± 0.3 |
| By GSE [nT] |
-1.9 ± 0.1 |
-2.8 ± 0.2 |
| Bz GSE [nT] |
-0.9 ± 0.3 |
-1.9 ± 0.2 |
Plasma Beta
|
0.816 ± 0.816
|
0.800 ± 0.724
|
Sound Speed [km/s]
|
23.99 ± 0.70
|
30.01 ± 0.84
|
Alfven Speed [km/s]
|
20.59 ± 0.71
|
26.26 ± 1.84
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.906 ± 0.439 |
-0.376 ± 1.029 |
-0.195 ± 0.193 |
-11.26 ± 32.66 |
202.54 ± 65.00 |
| VC |
-0.699 ± 0.032 |
-0.661 ± 0.034 |
-0.273 ± 0.266 |
-15.86 ± 2.20 |
223.37 ± 2.74 |
| MX1 |
-0.681 ± 0.076 |
-0.674 ± 0.077 |
-0.287 ± 0.279 |
-16.67 ± 1.74 |
224.68 ± 6.48 |
| MX2 |
-0.679 ± 0.070 |
-0.678 ± 0.070 |
-0.283 ± 0.275 |
-16.42 ± 1.87 |
224.97 ± 5.92 |
| MX3 |
-0.677 ± 0.065 |
-0.681 ± 0.064 |
-0.279 ± 0.272 |
-16.21 ± 2.21 |
225.19 ± 5.41 |
| RH08 |
-0.178 ± 0.014 |
0.507 ± 0.005 |
-0.844 ± 0.539 |
-57.52 ± 0.00 |
109.30 ± 1.59 |
| RH09 |
-0.447 ± 0.061 |
0.177 ± 0.063 |
-0.877 ± 0.514 |
-61.29 ± 3.97 |
158.44 ± 7.58 |
| RH10 |
-0.421 ± 0.062 |
0.184 ± 0.069 |
-0.888 ± 0.502 |
-62.66 ± 3.90 |
156.43 ± 8.85 |
| Average |
-0.586 |
-0.275 |
-0.491 |
-32.237 |
190.616 |
| Median |
-0.677 |
-0.376 |
-0.283 |
-16.423 |
223.372 |
| Deviation |
0.225 |
0.489 |
0.315 |
23.502 |
44.023 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
77.3 ± 3.2 |
315.5 ± 0.9 |
1.78 ± 0.08 |
| VC |
82.2 ± 2.9 |
268.5 ± 1.1 |
1.78 ± 0.08 |
| MX1 |
80.8 ± 3.0 |
263.8 ± 1.1 |
1.78 ± 0.08 |
| MX2 |
80.6 ± 2.9 |
263.1 ± 1.1 |
1.78 ± 0.08 |
| MX3 |
80.5 ± 2.9 |
262.6 ± 1.1 |
1.78 ± 0.08 |
| RH08 |
79.2 ± 6.4 |
46.8 ± 0.5 |
1.78 ± 0.08 |
| RH09 |
84.0 ± 6.8 |
152.2 ± 0.3 |
1.78 ± 0.08 |
| RH10 |
84.8 ± 6.8 |
143.9 ± 1.8 |
1.78 ± 0.08 |
| Average |
81.2 |
214.5 |
1.78 |
| Median |
80.8 |
263.1 |
1.78 |
| Deviation |
2.4 |
90.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
74.2 ± 1.7 |
3.4 ± 0.1 |
4.5 ± 0.2 |
31.4 ± 0.9 |
21.55 ± 1.10 |
2.37 ± 0.12 |
| VC |
80.1 ± 1.7 |
2.1 ± 0.1 |
2.8 ± 0.1 |
31.5 ± 0.9 |
37.93 ± 1.84 |
2.54 ± 0.12 |
| MX1 |
80.0 ± 1.7 |
2.5 ± 0.1 |
3.3 ± 0.1 |
31.5 ± 0.9 |
32.01 ± 1.56 |
2.54 ± 0.12 |
| MX2 |
80.0 ± 1.7 |
2.6 ± 0.1 |
3.4 ± 0.1 |
31.5 ± 0.9 |
31.37 ± 1.52 |
2.54 ± 0.12 |
| MX3 |
80.0 ± 1.7 |
2.6 ± 0.1 |
3.4 ± 0.1 |
31.5 ± 0.9 |
30.90 ± 1.50 |
2.54 ± 0.12 |
| RH8 |
1.5 ± 1.5 |
2.9 ± 0.1 |
3.9 ± 0.1 |
31.5 ± 0.9 |
0.51 ± 0.51 |
0.05 ± 0.05 |
| RH9 |
34.0 ± 2.0 |
1.6 ± 0.0 |
2.2 ± 0.1 |
31.6 ± 0.9 |
20.76 ± 1.73 |
1.08 ± 0.09 |
| RH10 |
32.5 ± 2.0 |
1.4 ± 0.0 |
1.9 ± 0.1 |
31.6 ± 0.9 |
22.98 ± 1.97 |
1.03 ± 0.09 |
| Average |
57.8 |
2.4 |
3.2 |
31.5 |
24.8 |
1.8 |
| Median |
80.0 |
2.6 |
3.4 |
31.5 |
30.9 |
2.5 |
| Deviation |
30.8 |
0.7 |
0.9 |
0.1 |
11.5 |
1.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
43.1 ± 2.1 |
4.4 ± 0.1 |
5.8 ± 0.4 |
39.7 ± 0.6 |
9.93 ± 0.79 |
1.09 ± 0.06 |
| VC |
46.8 ± 2.7 |
2.7 ± 0.1 |
3.5 ± 0.2 |
39.8 ± 0.6 |
17.58 ± 1.57 |
1.18 ± 0.08 |
| MX1 |
46.8 ± 2.7 |
3.2 ± 0.1 |
4.2 ± 0.3 |
39.8 ± 0.6 |
14.83 ± 1.33 |
1.18 ± 0.08 |
| MX2 |
46.7 ± 2.7 |
3.2 ± 0.1 |
4.3 ± 0.3 |
39.8 ± 0.6 |
14.53 ± 1.31 |
1.18 ± 0.08 |
| MX3 |
46.7 ± 2.7 |
3.3 ± 0.1 |
4.3 ± 0.3 |
39.8 ± 0.6 |
14.32 ± 1.29 |
1.17 ± 0.08 |
| RH8 |
0.8 ± 0.9 |
3.7 ± 0.1 |
4.9 ± 0.3 |
39.7 ± 0.6 |
0.21 ± 0.23 |
0.02 ± 0.02 |
| RH9 |
19.5 ± 0.7 |
2.1 ± 0.1 |
2.8 ± 0.2 |
39.9 ± 0.6 |
9.43 ± 0.55 |
0.49 ± 0.02 |
| RH10 |
18.7 ± 0.6 |
1.8 ± 0.1 |
2.4 ± 0.2 |
39.9 ± 0.6 |
10.44 ± 0.60 |
0.47 ± 0.02 |
| Average |
33.6 |
3.0 |
4.0 |
39.8 |
11.4 |
0.8 |
| Median |
46.7 |
3.2 |
4.3 |
39.8 |
14.3 |
1.2 |
| Deviation |
18.0 |
0.8 |
1.1 |
0.1 |
5.4 |
0.5 |
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)
| 
