Database: Wind Shock Analysis
Event ID: 20000512103
Observation time: 02/20/2000 51.87762 2103 [UT]
|
|
General
Information (About, Top)
| Year |
2000 |
| Fractional day of year |
51.877622 |
| Arrival time of shock [seconds of day] |
75826.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
161.687 |
| Y GSE location of spacecraft [Re] |
22.227 |
| Z GSE location of spacecraft [Re] |
11.240 |
| Upstream plasma points selected for analysis |
0010 |
| Upstream field points selected for analysis |
0303 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0221 |
| Minimum chisq/dof for RH8,RH9,RH10 |
3.38, 12.62, 12.91 |
Event added to database
|
Mon Feb 14 11:09:17 2005
|
Event last processed
|
Mon Mar 30 19:17:07 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
34.361 ± 2.926
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-320.6 ± 3.1 |
-400.7 ± 7.3 |
| Vy GSE [km/s] |
-20.0 ± 0.8 |
-42.6 ± 1.6 |
| Vz GSE [km/s] |
-2.5 ± 2.4 |
-46.3 ± 14.7 |
| Wi [km/s] |
24.7 ± 1.4 |
39.8 ± 6.5 |
| We [km/s] |
781.0 ± 44.7 |
1259.5 ± 207.0 |
| Ni [n/cc] |
8.6 ± 0.5 |
18.5 ± 1.4 |
| Bx GSE [nT] |
-1.4 ± 0.6 |
-3.9 ± 0.9 |
| By GSE [nT] |
7.5 ± 0.1 |
16.2 ± 0.5 |
| Bz GSE [nT] |
-0.3 ± 0.4 |
0.1 ± 3.8 |
Plasma Beta
|
0.189 ± 0.182
|
0.221 ± 0.176
|
Sound Speed [km/s]
|
31.88 ± 1.82
|
51.42 ± 8.45
|
Alfven Speed [km/s]
|
57.12 ± 1.58
|
86.90 ± 4.03
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.972 ± 0.229 |
-0.214 ± 0.962 |
-0.095 ± 0.094 |
-5.43 ± 54.57 |
192.39 ± 56.68 |
| VC |
-0.852 ± 0.071 |
-0.243 ± 0.036 |
-0.464 ± 0.427 |
-27.63 ± 9.08 |
195.94 ± 2.01 |
| MX1 |
-0.870 ± 0.077 |
-0.168 ± 0.114 |
-0.464 ± 0.428 |
-27.66 ± 9.30 |
190.90 ± 7.43 |
| MX2 |
-0.878 ± 0.070 |
-0.178 ± 0.097 |
-0.445 ± 0.413 |
-26.43 ± 8.86 |
191.45 ± 6.28 |
| MX3 |
-0.883 ± 0.066 |
-0.184 ± 0.087 |
-0.432 ± 0.403 |
-25.58 ± 8.66 |
191.79 ± 5.61 |
| RH08 |
-0.923 ± 0.005 |
-0.155 ± 0.017 |
-0.352 ± 0.337 |
-20.61 ± 0.75 |
189.53 ± 1.07 |
| RH09 |
-0.995 ± 0.007 |
-0.096 ± 0.068 |
0.039 ± 0.039 |
2.24 ± 4.06 |
185.52 ± 3.91 |
| RH10 |
-0.995 ± 0.007 |
-0.096 ± 0.068 |
0.039 ± 0.039 |
2.24 ± 4.06 |
185.52 ± 3.91 |
| Average |
-0.921 |
-0.167 |
-0.272 |
-16.106 |
190.379 |
| Median |
-0.883 |
-0.168 |
-0.352 |
-20.607 |
191.452 |
| Deviation |
0.059 |
0.052 |
0.227 |
13.469 |
3.514 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
88.6 ± 4.6 |
479.3 ± 13.4 |
2.11 ± 0.20 |
| VC |
86.4 ± 4.5 |
458.2 ± 14.7 |
2.11 ± 0.20 |
| MX1 |
89.2 ± 4.5 |
462.0 ± 14.5 |
2.11 ± 0.20 |
| MX2 |
89.7 ± 4.5 |
465.0 ± 14.3 |
2.11 ± 0.20 |
| MX3 |
89.9 ± 4.5 |
466.9 ± 14.2 |
2.11 ± 0.20 |
| RH08 |
88.1 ± 4.6 |
474.5 ± 13.4 |
2.11 ± 0.20 |
| RH09 |
84.9 ± 4.5 |
472.3 ± 14.7 |
2.11 ± 0.20 |
| RH10 |
84.9 ± 4.5 |
472.3 ± 14.7 |
2.11 ± 0.20 |
| Average |
87.7 |
468.8 |
2.11 |
| Median |
88.6 |
472.3 |
2.11 |
| Deviation |
2.1 |
7.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
163.1 ± 2.9 |
0.7 ± 0.0 |
1.4 ± 0.0 |
65.4 ± 0.9 |
235.23 ± 10.72 |
2.49 ± 0.05 |
| VC |
179.1 ± 2.5 |
1.8 ± 0.1 |
3.6 ± 0.1 |
65.4 ± 0.9 |
101.62 ± 4.16 |
2.74 ± 0.04 |
| MX1 |
178.7 ± 2.6 |
0.4 ± 0.0 |
0.8 ± 0.0 |
65.4 ± 0.9 |
452.03 ± 18.63 |
2.73 ± 0.05 |
| MX2 |
178.9 ± 2.6 |
0.1 ± 0.0 |
0.3 ± 0.0 |
65.4 ± 0.9 |
1299.36 ± 53.78 |
2.73 ± 0.05 |
| MX3 |
179.0 ± 2.6 |
0.0 ± 0.0 |
0.1 ± 0.0 |
65.4 ± 0.9 |
7357.23 ± 305.38 |
2.74 ± 0.05 |
| RH8 |
174.6 ± 2.7 |
0.9 ± 0.0 |
1.9 ± 0.1 |
65.4 ± 0.9 |
193.38 ± 8.25 |
2.67 ± 0.05 |
| RH9 |
151.6 ± 3.1 |
2.5 ± 0.1 |
5.1 ± 0.1 |
65.4 ± 0.9 |
60.91 ± 2.92 |
2.32 ± 0.05 |
| RH10 |
151.6 ± 3.1 |
2.5 ± 0.1 |
5.1 ± 0.1 |
65.4 ± 0.9 |
60.91 ± 2.92 |
2.32 ± 0.05 |
| Average |
169.6 |
1.1 |
2.3 |
65.4 |
1220.1 |
2.6 |
| Median |
178.7 |
0.9 |
1.9 |
65.4 |
235.2 |
2.7 |
| Deviation |
12.3 |
1.0 |
2.1 |
0.0 |
2513.5 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
76.2 ± 5.8 |
1.1 ± 0.1 |
2.2 ± 0.1 |
101.3 ± 3.3 |
70.20 ± 8.46 |
0.75 ± 0.06 |
| VC |
85.0 ± 3.0 |
2.8 ± 0.3 |
5.5 ± 0.3 |
101.3 ± 3.3 |
30.77 ± 2.58 |
0.84 ± 0.03 |
| MX1 |
84.9 ± 3.0 |
0.6 ± 0.1 |
1.2 ± 0.1 |
101.3 ± 3.3 |
136.93 ± 11.56 |
0.84 ± 0.03 |
| MX2 |
85.1 ± 2.9 |
0.2 ± 0.0 |
0.4 ± 0.0 |
101.3 ± 3.3 |
394.09 ± 33.44 |
0.84 ± 0.03 |
| MX3 |
85.2 ± 2.9 |
0.0 ± 0.0 |
0.1 ± 0.0 |
101.3 ± 3.3 |
2233.37 ± 190.39 |
0.84 ± 0.03 |
| RH8 |
81.8 ± 3.0 |
1.4 ± 0.1 |
2.8 ± 0.1 |
101.3 ± 3.3 |
57.75 ± 5.23 |
0.81 ± 0.03 |
| RH9 |
71.4 ± 7.7 |
3.9 ± 0.4 |
7.8 ± 0.4 |
101.2 ± 3.3 |
18.34 ± 2.70 |
0.71 ± 0.08 |
| RH10 |
71.4 ± 7.7 |
3.9 ± 0.4 |
7.8 ± 0.4 |
101.2 ± 3.3 |
18.34 ± 2.70 |
0.71 ± 0.08 |
| Average |
80.1 |
1.8 |
3.5 |
101.3 |
370.0 |
0.8 |
| Median |
84.9 |
1.4 |
2.8 |
101.3 |
70.2 |
0.8 |
| Deviation |
6.2 |
1.6 |
3.1 |
0.0 |
763.2 |
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)
| 
