Database: Wind Shock Analysis
Event ID: 20022321350
Observation time: 08/20/2002 232.57686 1350 [UT]
|
|
General
Information (About, Top)
| Year |
2002 |
| Fractional day of year |
232.576858 |
| Arrival time of shock [seconds of day] |
49840.5 ± 6.0 |
| Shock type |
FF |
| Electron data availability |
0 |
| X GSE location of spacecraft [Re] |
45.775 |
| Y GSE location of spacecraft [Re] |
78.732 |
| Z GSE location of spacecraft [Re] |
5.240 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0260 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0260 |
| Minimum chisq/dof for RH8,RH9,RH10 |
2.40, 3.32, 3.43 |
Event added to database
|
Sat Mar 12 23:19:10 2005
|
Event last processed
|
Sun Mar 13 11:41:56 2005
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
6.411 ± 0.788
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-465.3 ± 1.1 |
-486.7 ± 5.7 |
| Vy GSE [km/s] |
-3.8 ± 0.8 |
-19.1 ± 5.2 |
| Vz GSE [km/s] |
3.3 ± 0.9 |
22.1 ± 12.7 |
| Wi [km/s] |
14.5 ± 0.7 |
17.9 ± 0.8 |
| We [km/s] |
459.8 ± 23.0 |
565.6 ± 25.8 |
| Ni [n/cc] |
2.8 ± 0.1 |
3.7 ± 0.2 |
| Bx GSE [nT] |
4.5 ± 0.1 |
4.7 ± 1.0 |
| By GSE [nT] |
-3.8 ± 0.1 |
-6.2 ± 0.7 |
| Bz GSE [nT] |
0.0 ± 0.1 |
1.0 ± 1.3 |
Plasma Beta
|
0.035 ± 0.036
|
0.037 ± 0.035
|
Sound Speed [km/s]
|
18.77 ± 0.94
|
23.09 ± 1.05
|
Alfven Speed [km/s]
|
77.70 ± 1.79
|
92.74 ± 2.40
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.957 ± 0.081 |
0.193 ± 0.215 |
0.215 ± 0.212 |
12.44 ± 18.62 |
168.60 ± 12.85 |
| VC |
-0.673 ± 0.170 |
-0.476 ± 0.153 |
0.566 ± 0.496 |
34.44 ± 18.75 |
215.29 ± 9.34 |
| MX1 |
-0.948 ± 0.069 |
0.160 ± 0.200 |
0.275 ± 0.267 |
15.93 ± 12.75 |
170.44 ± 12.05 |
| MX2 |
-0.936 ± 0.056 |
0.145 ± 0.182 |
0.321 ± 0.309 |
18.71 ± 8.77 |
171.17 ± 11.15 |
| MX3 |
-0.897 ± 0.037 |
0.110 ± 0.144 |
0.428 ± 0.400 |
25.34 ± 4.40 |
173.00 ± 9.20 |
| RH08 |
-0.968 ± 0.009 |
0.128 ± 0.025 |
0.218 ± 0.214 |
12.58 ± 2.19 |
172.48 ± 1.50 |
| RH09 |
-0.960 ± 0.020 |
0.161 ± 0.069 |
0.229 ± 0.225 |
13.24 ± 3.98 |
170.47 ± 4.12 |
| RH10 |
-0.965 ± 0.018 |
0.145 ± 0.070 |
0.218 ± 0.214 |
12.58 ± 3.97 |
171.48 ± 4.16 |
| Average |
-0.913 |
0.071 |
0.309 |
18.159 |
176.616 |
| Median |
-0.948 |
0.145 |
0.275 |
15.933 |
171.476 |
| Deviation |
0.100 |
0.222 |
0.127 |
7.937 |
15.684 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
35.8 ± 1.0 |
532.7 ± 37.1 |
1.31 ± 0.09 |
| VC |
83.3 ± 1.0 |
455.8 ± 34.4 |
1.31 ± 0.09 |
| MX1 |
39.3 ± 0.9 |
535.2 ± 36.5 |
1.31 ± 0.09 |
| MX2 |
41.6 ± 0.9 |
535.1 ± 35.6 |
1.31 ± 0.09 |
| MX3 |
47.3 ± 0.9 |
528.0 ± 33.5 |
1.31 ± 0.09 |
| RH08 |
38.9 ± 1.0 |
541.1 ± 39.1 |
1.31 ± 0.09 |
| RH09 |
37.7 ± 1.0 |
536.9 ± 37.7 |
1.31 ± 0.09 |
| RH10 |
38.1 ± 1.0 |
538.6 ± 38.6 |
1.31 ± 0.09 |
| Average |
45.3 |
525.4 |
1.31 |
| Median |
39.3 |
535.2 |
1.31 |
| Deviation |
15.8 |
28.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
87.4 ± 0.9 |
15.1 ± 0.7 |
63.1 ± 1.5 |
78.5 ± 1.7 |
5.81 ± 0.30 |
1.11 ± 0.03 |
| VC |
138.9 ± 1.0 |
2.1 ± 0.1 |
9.0 ± 0.2 |
79.9 ± 1.6 |
65.79 ± 3.01 |
1.74 ± 0.04 |
| MX1 |
93.7 ± 0.9 |
14.3 ± 0.7 |
60.1 ± 1.4 |
78.6 ± 1.7 |
6.54 ± 0.33 |
1.19 ± 0.03 |
| MX2 |
99.1 ± 0.8 |
13.8 ± 0.7 |
58.1 ± 1.3 |
78.7 ± 1.7 |
7.17 ± 0.36 |
1.26 ± 0.03 |
| MX3 |
109.6 ± 0.8 |
12.5 ± 0.6 |
52.7 ± 1.2 |
79.0 ± 1.7 |
8.77 ± 0.42 |
1.39 ± 0.03 |
| RH8 |
90.7 ± 0.9 |
14.4 ± 0.7 |
60.4 ± 1.4 |
78.6 ± 1.7 |
6.30 ± 0.32 |
1.15 ± 0.03 |
| RH9 |
90.1 ± 0.9 |
14.7 ± 0.7 |
61.5 ± 1.4 |
78.6 ± 1.7 |
6.15 ± 0.31 |
1.15 ± 0.03 |
| RH10 |
89.3 ± 0.9 |
14.6 ± 0.7 |
61.1 ± 1.4 |
78.6 ± 1.7 |
6.13 ± 0.31 |
1.14 ± 0.03 |
| Average |
99.8 |
12.7 |
53.2 |
78.8 |
14.1 |
1.3 |
| Median |
93.7 |
14.4 |
60.4 |
78.6 |
6.5 |
1.2 |
| Deviation |
17.3 |
4.3 |
18.2 |
0.5 |
20.9 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
65.8 ± 4.6 |
18.5 ± 0.8 |
75.3 ± 1.9 |
93.8 ± 2.3 |
3.55 ± 0.24 |
0.70 ± 0.05 |
| VC |
106.5 ± 4.0 |
2.6 ± 0.1 |
10.7 ± 0.3 |
95.5 ± 2.1 |
41.04 ± 1.55 |
1.12 ± 0.05 |
| MX1 |
70.6 ± 4.6 |
17.6 ± 0.8 |
71.8 ± 1.9 |
93.9 ± 2.3 |
4.01 ± 0.25 |
0.75 ± 0.05 |
| MX2 |
75.2 ± 4.7 |
17.0 ± 0.7 |
69.3 ± 1.8 |
94.0 ± 2.3 |
4.42 ± 0.26 |
0.80 ± 0.05 |
| MX3 |
84.0 ± 5.2 |
15.4 ± 0.7 |
62.9 ± 1.6 |
94.3 ± 2.2 |
5.46 ± 0.31 |
0.89 ± 0.06 |
| RH8 |
67.8 ± 4.5 |
17.7 ± 0.8 |
72.1 ± 1.9 |
93.9 ± 2.3 |
3.83 ± 0.26 |
0.72 ± 0.05 |
| RH9 |
67.7 ± 4.6 |
18.1 ± 0.8 |
73.4 ± 1.9 |
93.9 ± 2.3 |
3.75 ± 0.25 |
0.72 ± 0.05 |
| RH10 |
66.8 ± 4.6 |
17.9 ± 0.8 |
73.0 ± 1.9 |
93.9 ± 2.3 |
3.72 ± 0.25 |
0.71 ± 0.05 |
| Average |
75.6 |
15.6 |
63.6 |
94.2 |
8.7 |
0.8 |
| Median |
70.6 |
17.7 |
72.1 |
93.9 |
4.0 |
0.8 |
| Deviation |
13.9 |
5.3 |
21.7 |
0.6 |
13.1 |
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)
| 
