Database: Wind Shock Analysis
Event ID: 20091781104
Observation time: 06/27/2009 178.46130 1104 [UT]
|
|
General
Information (About, Top)
| Year |
2009 |
| Fractional day of year |
178.461302 |
| Arrival time of shock [seconds of day] |
39856.5 ± 30.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
250.872 |
| Y GSE location of spacecraft [Re] |
-72.102 |
| Z GSE location of spacecraft [Re] |
18.747 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0168 |
| Downstream plasma points selected for analysis |
0005
|
| Downstream field points selected for analysis |
0158 |
| Minimum chisq/dof for RH8,RH9,RH10 |
9.14, 15.84, 17.00 |
Event added to database
|
Wed Sep 25 10:04:07 2013
|
Event last processed
|
Wed Sep 25 10:50:41 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
61.886 ± 2.704
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-371.7 ± 0.7 |
-395.1 ± 1.7 |
| Vy GSE [km/s] |
-6.2 ± 1.5 |
-6.7 ± 1.5 |
| Vz GSE [km/s] |
8.0 ± 1.6 |
-0.9 ± 1.9 |
| Wi [km/s] |
22.3 ± 0.6 |
26.3 ± 0.4 |
| We [km/s] |
705.3 ± 18.0 |
831.4 ± 13.9 |
| Ni [n/cc] |
3.8 ± 0.2 |
5.9 ± 0.1 |
| Bx GSE [nT] |
-0.9 ± 0.1 |
-1.3 ± 0.2 |
| By GSE [nT] |
-2.6 ± 0.1 |
-4.3 ± 0.2 |
| Bz GSE [nT] |
2.6 ± 0.1 |
3.5 ± 0.2 |
Plasma Beta
|
0.276 ± 0.271
|
0.263 ± 0.262
|
Sound Speed [km/s]
|
28.79 ± 0.73
|
33.94 ± 0.57
|
Alfven Speed [km/s]
|
42.47 ± 0.63
|
51.25 ± 0.72
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.924 ± 0.361 |
0.298 ± 0.905 |
0.240 ± 0.235 |
13.86 ± 53.81 |
162.14 ± 55.94 |
| VC |
-0.936 ± 0.025 |
-0.022 ± 0.078 |
-0.352 ± 0.336 |
-20.59 ± 4.03 |
181.35 ± 4.78 |
| MX1 |
-0.923 ± 0.040 |
0.012 ± 0.073 |
-0.385 ± 0.364 |
-22.62 ± 5.92 |
179.26 ± 4.51 |
| MX2 |
-0.925 ± 0.037 |
0.014 ± 0.073 |
-0.380 ± 0.360 |
-22.31 ± 5.56 |
179.11 ± 4.49 |
| MX3 |
-0.928 ± 0.033 |
0.018 ± 0.073 |
-0.371 ± 0.353 |
-21.81 ± 5.04 |
178.87 ± 4.52 |
| RH08 |
-0.970 ± 0.005 |
0.025 ± 0.014 |
-0.240 ± 0.235 |
-13.90 ± 1.08 |
178.50 ± 0.80 |
| RH09 |
-0.980 ± 0.014 |
0.043 ± 0.071 |
-0.196 ± 0.193 |
-11.28 ± 3.96 |
177.49 ± 4.16 |
| RH10 |
-0.980 ± 0.014 |
0.043 ± 0.071 |
-0.196 ± 0.193 |
-11.28 ± 3.96 |
177.49 ± 4.16 |
| Average |
-0.946 |
0.054 |
-0.235 |
-13.739 |
176.776 |
| Median |
-0.928 |
0.025 |
-0.240 |
-13.900 |
178.869 |
| Deviation |
0.026 |
0.101 |
0.208 |
12.179 |
6.035 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
80.0 ± 1.7 |
397.1 ± 1.3 |
1.55 ± 0.06 |
| VC |
89.5 ± 1.1 |
414.1 ± 1.5 |
1.55 ± 0.06 |
| MX1 |
86.7 ± 1.1 |
408.7 ± 1.5 |
1.55 ± 0.06 |
| MX2 |
86.8 ± 1.1 |
409.4 ± 1.5 |
1.55 ± 0.06 |
| MX3 |
87.0 ± 1.1 |
410.6 ± 1.5 |
1.55 ± 0.06 |
| RH08 |
87.5 ± 1.2 |
426.1 ± 1.5 |
1.55 ± 0.06 |
| RH09 |
86.3 ± 1.2 |
429.1 ± 1.5 |
1.55 ± 0.06 |
| RH10 |
86.3 ± 1.2 |
429.1 ± 7.1 |
1.55 ± 0.06 |
| Average |
86.3 |
415.5 |
1.55 |
| Median |
86.8 |
414.1 |
1.55 |
| Deviation |
2.7 |
11.5 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
53.6 ± 0.9 |
4.2 ± 0.1 |
7.4 ± 0.1 |
51.1 ± 0.5 |
12.90 ± 0.29 |
1.05 ± 0.01 |
| VC |
69.0 ± 1.0 |
0.2 ± 0.0 |
0.4 ± 0.0 |
51.3 ± 0.5 |
334.65 ± 9.43 |
1.34 ± 0.02 |
| MX1 |
68.8 ± 1.0 |
1.4 ± 0.0 |
2.4 ± 0.0 |
51.3 ± 0.5 |
50.17 ± 1.42 |
1.34 ± 0.02 |
| MX2 |
68.7 ± 1.0 |
1.3 ± 0.0 |
2.3 ± 0.0 |
51.3 ± 0.5 |
52.18 ± 1.47 |
1.34 ± 0.02 |
| MX3 |
68.7 ± 1.0 |
1.2 ± 0.0 |
2.2 ± 0.0 |
51.3 ± 0.5 |
55.73 ± 1.56 |
1.34 ± 0.02 |
| RH8 |
67.5 ± 0.9 |
1.0 ± 0.0 |
1.8 ± 0.0 |
51.3 ± 0.5 |
65.74 ± 1.73 |
1.32 ± 0.02 |
| RH9 |
66.7 ± 0.8 |
1.5 ± 0.0 |
2.7 ± 0.0 |
51.3 ± 0.5 |
43.81 ± 1.12 |
1.30 ± 0.02 |
| RH10 |
66.7 ± 0.8 |
1.5 ± 0.0 |
2.7 ± 0.0 |
51.3 ± 0.5 |
43.81 ± 1.12 |
1.30 ± 0.02 |
| Average |
66.2 |
1.5 |
2.7 |
51.3 |
82.4 |
1.3 |
| Median |
68.7 |
1.4 |
2.4 |
51.3 |
52.2 |
1.3 |
| Deviation |
5.2 |
1.1 |
2.0 |
0.1 |
103.1 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
34.2 ± 1.7 |
4.9 ± 0.1 |
8.9 ± 0.1 |
61.3 ± 0.6 |
6.93 ± 0.38 |
0.56 ± 0.03 |
| VC |
43.9 ± 2.1 |
0.2 ± 0.0 |
0.4 ± 0.0 |
61.5 ± 0.6 |
179.16 ± 9.05 |
0.71 ± 0.04 |
| MX1 |
43.7 ± 2.1 |
1.6 ± 0.0 |
2.9 ± 0.0 |
61.4 ± 0.6 |
26.84 ± 1.39 |
0.71 ± 0.04 |
| MX2 |
43.7 ± 2.1 |
1.6 ± 0.0 |
2.8 ± 0.0 |
61.5 ± 0.6 |
27.90 ± 1.44 |
0.71 ± 0.04 |
| MX3 |
43.6 ± 2.1 |
1.5 ± 0.0 |
2.7 ± 0.0 |
61.5 ± 0.6 |
29.78 ± 1.54 |
0.71 ± 0.04 |
| RH8 |
42.6 ± 2.0 |
1.2 ± 0.0 |
2.2 ± 0.0 |
61.5 ± 0.6 |
34.94 ± 1.76 |
0.69 ± 0.04 |
| RH9 |
42.0 ± 2.0 |
1.8 ± 0.0 |
3.3 ± 0.0 |
61.4 ± 0.6 |
23.23 ± 1.17 |
0.68 ± 0.04 |
| RH10 |
42.0 ± 2.0 |
1.8 ± 0.0 |
3.3 ± 0.0 |
61.4 ± 0.6 |
23.23 ± 1.17 |
0.68 ± 0.04 |
| Average |
42.0 |
1.8 |
3.3 |
61.4 |
44.0 |
0.7 |
| Median |
43.6 |
1.6 |
2.9 |
61.5 |
27.9 |
0.7 |
| Deviation |
3.2 |
1.3 |
2.4 |
0.1 |
55.2 |
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)
| 
