Database: Wind Shock Analysis
Event ID: 20022301840
Observation time: 08/18/2002 230.77842 1840 [UT]
|
|
General
Information (About, Top)
| Year |
2002 |
| Fractional day of year |
230.778420 |
| Arrival time of shock [seconds of day] |
67255.5 ± 15.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
49.295 |
| Y GSE location of spacecraft [Re] |
75.264 |
| Z GSE location of spacecraft [Re] |
5.270 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0323 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0269 |
| Minimum chisq/dof for RH8,RH9,RH10 |
2.29, 15.32, 15.72 |
Event added to database
|
Sat Mar 12 23:17:05 2005
|
Event last processed
|
Mon Mar 30 23:47:07 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
6.300 ± 0.727
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-420.6 ± 8.7 |
-599.2 ± 20.1 |
| Vy GSE [km/s] |
-9.1 ± 4.6 |
2.6 ± 8.0 |
| Vz GSE [km/s] |
8.1 ± 4.0 |
70.0 ± 23.4 |
| Wi [km/s] |
42.5 ± 1.5 |
87.8 ± 9.2 |
| We [km/s] |
1342.4 ± 48.1 |
2775.0 ± 291.4 |
| Ni [n/cc] |
3.9 ± 0.4 |
13.3 ± 1.6 |
| Bx GSE [nT] |
-2.1 ± 0.6 |
-2.9 ± 1.3 |
| By GSE [nT] |
1.9 ± 0.6 |
8.8 ± 2.3 |
| Bz GSE [nT] |
0.0 ± 0.5 |
-4.3 ± 3.7 |
Plasma Beta
|
1.778 ± 1.968
|
1.949 ± 1.703
|
Sound Speed [km/s]
|
54.80 ± 1.96
|
113.29 ± 11.90
|
Alfven Speed [km/s]
|
32.98 ± 5.43
|
66.52 ± 10.20
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.861 ± 0.171 |
0.357 ± 0.318 |
0.362 ± 0.346 |
21.25 ± 19.02 |
157.46 ± 20.94 |
| VC |
-0.941 ± 0.046 |
0.063 ± 0.044 |
0.332 ± 0.319 |
19.39 ± 7.96 |
176.18 ± 2.69 |
| MX1 |
-0.960 ± 0.038 |
0.086 ± 0.257 |
0.265 ± 0.259 |
15.37 ± 6.56 |
174.86 ± 15.35 |
| MX2 |
-0.953 ± 0.021 |
0.078 ± 0.138 |
0.293 ± 0.284 |
17.02 ± 3.54 |
175.30 ± 8.30 |
| MX3 |
-0.952 ± 0.024 |
0.079 ± 0.120 |
0.296 ± 0.287 |
17.21 ± 4.14 |
175.27 ± 7.23 |
| RH08 |
-0.952 ± 0.005 |
0.075 ± 0.012 |
0.296 ± 0.287 |
17.22 ± 1.04 |
175.49 ± 0.73 |
| RH09 |
-0.998 ± 0.004 |
0.044 ± 0.068 |
-0.039 ± 0.039 |
-2.24 ± 4.06 |
177.49 ± 3.91 |
| RH10 |
-0.998 ± 0.004 |
0.026 ± 0.068 |
-0.050 ± 0.050 |
-2.88 ± 4.06 |
178.50 ± 3.91 |
| Average |
-0.952 |
0.101 |
0.219 |
12.792 |
173.817 |
| Median |
-0.952 |
0.078 |
0.296 |
17.212 |
175.487 |
| Deviation |
0.043 |
0.106 |
0.166 |
9.639 |
6.728 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
31.8 ± 8.6 |
615.5 ± 16.0 |
3.52 ± 0.32 |
| VC |
44.4 ± 10.2 |
666.7 ± 17.7 |
3.52 ± 0.32 |
| MX1 |
41.9 ± 10.8 |
673.8 ± 19.1 |
3.52 ± 0.32 |
| MX2 |
42.8 ± 10.5 |
671.5 ± 18.5 |
3.52 ± 0.32 |
| MX3 |
42.9 ± 10.5 |
671.1 ± 18.4 |
3.52 ± 0.32 |
| RH08 |
43.1 ± 10.5 |
671.3 ± 18.4 |
3.52 ± 0.32 |
| RH09 |
41.5 ± 14.5 |
674.7 ± 26.0 |
3.52 ± 0.32 |
| RH10 |
42.5 ± 14.6 |
673.8 ± 26.3 |
3.52 ± 0.32 |
| Average |
41.4 |
664.8 |
3.52 |
| Median |
42.8 |
671.5 |
3.52 |
| Deviation |
3.9 |
20.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
253.8 ± 7.6 |
26.2 ± 3.6 |
28.0 ± 4.6 |
58.5 ± 2.2 |
9.85 ± 1.23 |
4.35 ± 0.21 |
| VC |
268.8 ± 8.9 |
21.3 ± 2.7 |
23.6 ± 3.9 |
60.5 ± 2.6 |
12.81 ± 1.51 |
4.45 ± 0.22 |
| MX1 |
268.6 ± 8.8 |
22.3 ± 2.9 |
24.5 ± 4.0 |
60.1 ± 2.5 |
12.22 ± 1.45 |
4.48 ± 0.22 |
| MX2 |
269.1 ± 8.8 |
21.9 ± 2.8 |
24.2 ± 4.0 |
60.2 ± 2.5 |
12.44 ± 1.47 |
4.47 ± 0.22 |
| MX3 |
269.1 ± 8.8 |
21.9 ± 2.8 |
24.2 ± 4.0 |
60.2 ± 2.5 |
12.45 ± 1.47 |
4.47 ± 0.22 |
| RH8 |
269.1 ± 8.8 |
21.8 ± 2.8 |
24.1 ± 4.0 |
60.3 ± 2.5 |
12.50 ± 1.48 |
4.47 ± 0.22 |
| RH9 |
255.6 ± 8.4 |
22.5 ± 2.9 |
24.7 ± 4.1 |
60.0 ± 2.5 |
11.53 ± 1.36 |
4.26 ± 0.20 |
| RH10 |
254.6 ± 8.5 |
22.1 ± 2.9 |
24.3 ± 4.0 |
60.2 ± 2.5 |
11.69 ± 1.37 |
4.24 ± 0.20 |
| Average |
263.6 |
22.5 |
24.7 |
60.0 |
11.9 |
4.4 |
| Median |
268.8 |
22.1 |
24.3 |
60.2 |
12.4 |
4.5 |
| Deviation |
7.4 |
1.5 |
1.4 |
0.6 |
0.9 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
73.4 ± 12.7 |
52.8 ± 6.5 |
56.5 ± 8.7 |
120.6 ± 10.4 |
1.40 ± 0.24 |
0.62 ± 0.13 |
| VC |
79.4 ± 14.2 |
42.9 ± 4.9 |
47.5 ± 7.3 |
124.6 ± 9.9 |
1.86 ± 0.34 |
0.64 ± 0.13 |
| MX1 |
79.6 ± 15.3 |
45.0 ± 5.2 |
49.5 ± 7.6 |
123.8 ± 10.0 |
1.78 ± 0.34 |
0.65 ± 0.14 |
| MX2 |
79.8 ± 14.9 |
44.2 ± 5.1 |
48.8 ± 7.5 |
124.1 ± 9.9 |
1.81 ± 0.34 |
0.65 ± 0.14 |
| MX3 |
79.8 ± 14.8 |
44.2 ± 5.1 |
48.7 ± 7.5 |
124.1 ± 9.9 |
1.82 ± 0.34 |
0.65 ± 0.14 |
| RH8 |
79.8 ± 14.8 |
44.1 ± 5.1 |
48.6 ± 7.4 |
124.2 ± 9.9 |
1.82 ± 0.34 |
0.65 ± 0.14 |
| RH9 |
79.2 ± 20.8 |
45.4 ± 5.3 |
49.8 ± 7.6 |
123.7 ± 10.0 |
1.75 ± 0.45 |
0.65 ± 0.19 |
| RH10 |
79.1 ± 21.0 |
44.6 ± 5.1 |
49.1 ± 7.5 |
124.0 ± 9.9 |
1.78 ± 0.46 |
0.64 ± 0.19 |
| Average |
78.8 |
45.4 |
49.8 |
123.7 |
1.8 |
0.6 |
| Median |
79.6 |
44.6 |
49.1 |
124.1 |
1.8 |
0.6 |
| Deviation |
2.2 |
3.1 |
2.8 |
1.2 |
0.1 |
0.0 |
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)
| 
