Database: Wind Shock Analysis
Event ID: 20091750952
Observation time: 06/24/2009 175.41134 0952 [UT]
|
|
General
Information (About, Top)
| Year |
2009 |
| Fractional day of year |
175.411337 |
| Arrival time of shock [seconds of day] |
35539.5 ± 30.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
254.127 |
| Y GSE location of spacecraft [Re] |
-65.066 |
| Z GSE location of spacecraft [Re] |
20.317 |
| Upstream plasma points selected for analysis |
0006 |
| Upstream field points selected for analysis |
0190 |
| Downstream plasma points selected for analysis |
0004
|
| Downstream field points selected for analysis |
0144 |
| Minimum chisq/dof for RH8,RH9,RH10 |
8.27, 33.32, 40.81 |
Event added to database
|
Wed Sep 25 10:01:53 2013
|
Event last processed
|
Wed Sep 25 10:46:38 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
72.546 ± 1.377
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-272.7 ± 1.5 |
-305.0 ± 1.5 |
| Vy GSE [km/s] |
-4.9 ± 1.9 |
-12.9 ± 1.9 |
| Vz GSE [km/s] |
-11.4 ± 1.6 |
-18.9 ± 2.3 |
| Wi [km/s] |
21.2 ± 0.5 |
26.9 ± 1.5 |
| We [km/s] |
671.8 ± 16.0 |
849.9 ± 47.0 |
| Ni [n/cc] |
12.1 ± 0.7 |
21.0 ± 1.4 |
| Bx GSE [nT] |
-0.9 ± 0.1 |
-1.8 ± 0.2 |
| By GSE [nT] |
4.4 ± 0.2 |
7.5 ± 0.3 |
| Bz GSE [nT] |
1.0 ± 0.2 |
0.7 ± 0.9 |
Plasma Beta
|
0.551 ± 0.552
|
0.537 ± 0.599
|
Sound Speed [km/s]
|
27.43 ± 0.65
|
34.70 ± 1.92
|
Alfven Speed [km/s]
|
28.85 ± 2.07
|
36.91 ± 2.28
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.703 ± 0.556 |
-0.450 ± 0.625 |
-0.551 ± 0.487 |
-33.44 ± 52.23 |
212.64 ± 45.89 |
| VC |
-0.948 ± 0.024 |
-0.235 ± 0.075 |
-0.217 ± 0.214 |
-12.53 ± 4.09 |
193.90 ± 4.54 |
| MX1 |
-0.928 ± 0.021 |
-0.294 ± 0.049 |
-0.230 ± 0.226 |
-13.29 ± 3.85 |
197.56 ± 3.00 |
| MX2 |
-0.930 ± 0.021 |
-0.293 ± 0.047 |
-0.224 ± 0.220 |
-12.92 ± 3.81 |
197.47 ± 2.91 |
| MX3 |
-0.932 ± 0.020 |
-0.291 ± 0.046 |
-0.215 ± 0.212 |
-12.44 ± 3.95 |
197.34 ± 2.83 |
| RH08 |
-0.980 ± 0.004 |
-0.129 ± 0.018 |
-0.151 ± 0.150 |
-8.68 ± 1.00 |
187.52 ± 1.05 |
| RH09 |
-0.774 ± 0.044 |
-0.172 ± 0.069 |
0.609 ± 0.519 |
37.51 ± 4.02 |
192.53 ± 5.06 |
| RH10 |
-0.827 ± 0.039 |
-0.184 ± 0.069 |
0.531 ± 0.474 |
32.05 ± 4.01 |
192.53 ± 4.78 |
| Average |
-0.878 |
-0.256 |
-0.056 |
-2.966 |
196.438 |
| Median |
-0.928 |
-0.235 |
-0.215 |
-12.438 |
197.344 |
| Deviation |
0.098 |
0.100 |
0.405 |
24.533 |
7.389 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
65.6 ± 1.5 |
271.2 ± 2.1 |
1.69 ± 0.12 |
| VC |
84.9 ± 1.2 |
342.8 ± 1.9 |
1.69 ± 0.12 |
| MX1 |
81.3 ± 1.2 |
337.5 ± 2.0 |
1.69 ± 0.12 |
| MX2 |
81.5 ± 1.2 |
338.0 ± 2.0 |
1.69 ± 0.12 |
| MX3 |
81.7 ± 1.3 |
338.6 ± 2.0 |
1.69 ± 0.12 |
| RH08 |
88.1 ± 1.3 |
350.4 ± 1.8 |
1.69 ± 0.12 |
| RH09 |
83.3 ± 2.7 |
256.2 ± 1.2 |
1.69 ± 0.12 |
| RH10 |
84.3 ± 2.6 |
277.3 ± 6.3 |
1.69 ± 0.12 |
| Average |
81.3 |
314.0 |
1.69 |
| Median |
83.3 |
338.0 |
1.69 |
| Deviation |
6.8 |
38.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
71.1 ± 1.6 |
8.4 ± 0.3 |
11.9 ± 0.9 |
38.9 ± 1.4 |
8.49 ± 0.42 |
1.83 ± 0.10 |
| VC |
80.8 ± 1.4 |
1.7 ± 0.1 |
2.5 ± 0.2 |
39.8 ± 1.4 |
46.25 ± 2.14 |
2.03 ± 0.10 |
| MX1 |
80.4 ± 1.5 |
3.0 ± 0.1 |
4.4 ± 0.3 |
39.7 ± 1.4 |
26.81 ± 1.25 |
2.03 ± 0.10 |
| MX2 |
80.5 ± 1.5 |
3.0 ± 0.1 |
4.3 ± 0.3 |
39.7 ± 1.4 |
27.31 ± 1.27 |
2.03 ± 0.10 |
| MX3 |
80.5 ± 1.5 |
2.9 ± 0.1 |
4.2 ± 0.3 |
39.7 ± 1.4 |
28.00 ± 1.30 |
2.03 ± 0.10 |
| RH8 |
80.9 ± 1.4 |
0.7 ± 0.0 |
1.0 ± 0.1 |
39.8 ± 1.4 |
123.67 ± 5.64 |
2.03 ± 0.10 |
| RH9 |
51.2 ± 1.6 |
2.3 ± 0.1 |
3.4 ± 0.2 |
39.8 ± 1.4 |
22.09 ± 1.14 |
1.29 ± 0.07 |
| RH10 |
56.9 ± 1.6 |
2.0 ± 0.1 |
2.8 ± 0.2 |
39.8 ± 1.4 |
29.04 ± 1.45 |
1.43 ± 0.07 |
| Average |
72.8 |
3.0 |
4.3 |
39.7 |
39.0 |
1.8 |
| Median |
80.5 |
2.9 |
4.2 |
39.8 |
28.0 |
2.0 |
| Deviation |
12.1 |
2.3 |
3.3 |
0.3 |
35.7 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
40.7 ± 1.5 |
10.7 ± 0.4 |
15.3 ± 0.9 |
49.6 ± 1.9 |
3.82 ± 0.24 |
0.82 ± 0.06 |
| VC |
46.6 ± 1.1 |
2.2 ± 0.1 |
3.3 ± 0.2 |
50.6 ± 1.9 |
20.99 ± 1.03 |
0.92 ± 0.04 |
| MX1 |
46.3 ± 1.1 |
3.8 ± 0.1 |
5.6 ± 0.3 |
50.6 ± 1.9 |
12.15 ± 0.60 |
0.92 ± 0.04 |
| MX2 |
46.4 ± 1.1 |
3.8 ± 0.1 |
5.5 ± 0.3 |
50.6 ± 1.9 |
12.37 ± 0.61 |
0.92 ± 0.04 |
| MX3 |
46.4 ± 1.1 |
3.7 ± 0.1 |
5.3 ± 0.3 |
50.6 ± 1.9 |
12.69 ± 0.62 |
0.92 ± 0.04 |
| RH8 |
46.9 ± 1.3 |
0.8 ± 0.0 |
1.2 ± 0.1 |
50.7 ± 1.9 |
56.47 ± 2.77 |
0.93 ± 0.04 |
| RH9 |
29.2 ± 1.7 |
2.9 ± 0.1 |
4.3 ± 0.3 |
50.6 ± 1.9 |
9.92 ± 0.60 |
0.58 ± 0.03 |
| RH10 |
32.6 ± 1.6 |
2.5 ± 0.1 |
3.6 ± 0.2 |
50.6 ± 1.9 |
13.08 ± 0.70 |
0.64 ± 0.03 |
| Average |
41.9 |
3.8 |
5.5 |
50.5 |
17.7 |
0.8 |
| Median |
46.4 |
3.7 |
5.3 |
50.6 |
12.7 |
0.9 |
| Deviation |
7.1 |
3.0 |
4.2 |
0.4 |
16.4 |
0.1 |
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)
| 
