Database: Wind Shock Analysis
Event ID: 20022752241
Observation time: 10/02/2002 275.94519 2241 [UT]
|
|
General
Information (About, Top)
| Year |
2002 |
| Fractional day of year |
275.945191 |
| Arrival time of shock [seconds of day] |
81664.5 ± 6.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
82.312 |
| Y GSE location of spacecraft [Re] |
37.434 |
| Z GSE location of spacecraft [Re] |
4.540 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0216 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0244 |
| Minimum chisq/dof for RH8,RH9,RH10 |
10.06, 12.34, 12.77 |
Event added to database
|
Sat Mar 12 23:28:26 2005
|
Event last processed
|
Mon Mar 30 23:53:40 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
14.039 ± 0.836
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-454.9 ± 3.5 |
-510.7 ± 6.2 |
| Vy GSE [km/s] |
5.8 ± 5.3 |
-3.9 ± 6.1 |
| Vz GSE [km/s] |
10.1 ± 2.8 |
-23.8 ± 13.5 |
| Wi [km/s] |
26.2 ± 3.7 |
36.4 ± 2.8 |
| We [km/s] |
828.8 ± 115.8 |
1149.9 ± 87.3 |
| Ni [n/cc] |
3.1 ± 0.3 |
6.5 ± 0.6 |
| Bx GSE [nT] |
-0.9 ± 0.8 |
0.7 ± 0.6 |
| By GSE [nT] |
1.7 ± 0.8 |
7.3 ± 0.3 |
| Bz GSE [nT] |
-2.9 ± 0.4 |
0.9 ± 1.0 |
Plasma Beta
|
0.351 ± 0.335
|
0.326 ± 0.338
|
Sound Speed [km/s]
|
33.84 ± 4.73
|
46.95 ± 3.56
|
Alfven Speed [km/s]
|
45.13 ± 2.71
|
64.31 ± 4.13
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.376 ± 0.439 |
0.617 ± 0.352 |
-0.692 ± 0.552 |
-43.76 ± 23.97 |
121.34 ± 38.30 |
| VC |
-0.851 ± 0.102 |
-0.147 ± 0.113 |
-0.504 ± 0.456 |
-30.24 ± 11.60 |
189.79 ± 7.49 |
| MX1 |
-0.664 ± 0.710 |
0.594 ± 0.773 |
-0.455 ± 0.421 |
-27.09 ± 45.46 |
138.18 ± 63.38 |
| MX2 |
-0.767 ± 0.081 |
0.505 ± 0.111 |
-0.396 ± 0.374 |
-23.33 ± 6.79 |
146.66 ± 8.07 |
| MX3 |
-0.883 ± 0.067 |
0.413 ± 0.126 |
-0.221 ± 0.218 |
-12.80 ± 9.13 |
154.93 ± 8.15 |
| RH08 |
-0.956 ± 0.005 |
0.230 ± 0.013 |
0.184 ± 0.182 |
10.62 ± 1.02 |
166.46 ± 0.80 |
| RH09 |
-0.958 ± 0.020 |
0.249 ± 0.067 |
0.140 ± 0.139 |
8.03 ± 4.02 |
165.46 ± 4.01 |
| RH10 |
-0.958 ± 0.020 |
0.249 ± 0.068 |
0.140 ± 0.139 |
8.03 ± 4.02 |
165.46 ± 4.07 |
| Average |
-0.802 |
0.339 |
-0.226 |
-13.818 |
156.036 |
| Median |
-0.851 |
0.413 |
-0.221 |
-12.796 |
165.460 |
| Deviation |
0.201 |
0.251 |
0.340 |
20.653 |
20.830 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
20.4 ± 6.6 |
242.5 ± 20.5 |
2.08 ± 0.29 |
| VC |
54.9 ± 16.3 |
511.8 ± 15.5 |
2.08 ± 0.29 |
| MX1 |
35.9 ± 6.8 |
391.8 ± 18.1 |
2.08 ± 0.29 |
| MX2 |
41.4 ± 8.1 |
447.1 ± 17.8 |
2.08 ± 0.29 |
| MX3 |
53.4 ± 8.4 |
504.3 ± 17.5 |
2.08 ± 0.29 |
| RH08 |
78.4 ± 7.9 |
527.2 ± 19.8 |
2.08 ± 0.29 |
| RH09 |
75.7 ± 8.1 |
530.3 ± 19.3 |
2.08 ± 0.29 |
| RH10 |
75.7 ± 8.1 |
530.3 ± 19.3 |
2.08 ± 0.29 |
| Average |
54.5 |
460.7 |
2.08 |
| Median |
54.9 |
511.8 |
2.08 |
| Deviation |
21.2 |
100.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
75.0 ± 3.2 |
29.6 ± 3.1 |
42.3 ± 2.5 |
48.2 ± 2.1 |
2.55 ± 0.21 |
1.56 ± 0.08 |
| VC |
130.4 ± 4.5 |
16.1 ± 1.3 |
25.9 ± 1.6 |
54.3 ± 2.3 |
8.16 ± 0.72 |
2.41 ± 0.08 |
| MX1 |
91.1 ± 2.8 |
24.0 ± 2.1 |
36.6 ± 2.2 |
51.2 ± 2.1 |
3.81 ± 0.28 |
1.78 ± 0.06 |
| MX2 |
99.2 ± 2.7 |
21.8 ± 1.9 |
33.8 ± 2.0 |
52.2 ± 2.2 |
4.57 ± 0.34 |
1.90 ± 0.05 |
| MX3 |
102.3 ± 2.5 |
16.8 ± 1.4 |
26.9 ± 1.6 |
54.0 ± 2.3 |
6.14 ± 0.45 |
1.90 ± 0.05 |
| RH8 |
89.3 ± 2.3 |
5.4 ± 0.4 |
9.1 ± 0.5 |
56.3 ± 2.4 |
16.50 ± 1.31 |
1.59 ± 0.06 |
| RH9 |
91.4 ± 2.3 |
6.7 ± 0.5 |
11.2 ± 0.7 |
56.2 ± 2.4 |
13.75 ± 1.08 |
1.63 ± 0.06 |
| RH10 |
91.4 ± 2.3 |
6.7 ± 0.5 |
11.2 ± 0.7 |
56.2 ± 2.4 |
13.75 ± 1.08 |
1.63 ± 0.06 |
| Average |
96.3 |
15.9 |
24.6 |
53.6 |
8.7 |
1.8 |
| Median |
91.4 |
16.8 |
26.9 |
54.3 |
8.2 |
1.8 |
| Deviation |
16.0 |
9.0 |
12.8 |
2.9 |
5.3 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
36.5 ± 8.3 |
41.6 ± 2.6 |
60.3 ± 3.9 |
68.0 ± 3.4 |
0.88 ± 0.20 |
0.54 ± 0.14 |
| VC |
64.4 ± 4.5 |
22.6 ± 1.2 |
36.9 ± 2.4 |
76.4 ± 3.3 |
2.85 ± 0.27 |
0.84 ± 0.08 |
| MX1 |
44.4 ± 5.8 |
33.8 ± 1.9 |
52.1 ± 3.3 |
72.2 ± 3.3 |
1.32 ± 0.19 |
0.62 ± 0.10 |
| MX2 |
47.8 ± 5.3 |
30.7 ± 1.7 |
48.2 ± 3.1 |
73.6 ± 3.3 |
1.56 ± 0.21 |
0.65 ± 0.10 |
| MX3 |
49.5 ± 5.3 |
23.6 ± 1.2 |
38.4 ± 2.5 |
76.1 ± 3.3 |
2.11 ± 0.31 |
0.65 ± 0.09 |
| RH8 |
44.5 ± 8.5 |
7.7 ± 0.4 |
13.0 ± 0.8 |
79.4 ± 3.4 |
5.85 ± 1.38 |
0.56 ± 0.12 |
| RH9 |
45.0 ± 8.0 |
9.4 ± 0.5 |
15.9 ± 1.0 |
79.2 ± 3.4 |
4.82 ± 1.08 |
0.57 ± 0.12 |
| RH10 |
45.0 ± 8.0 |
9.4 ± 0.5 |
15.9 ± 1.0 |
79.2 ± 3.4 |
4.82 ± 1.08 |
0.57 ± 0.12 |
| Average |
47.1 |
22.4 |
35.1 |
75.5 |
3.0 |
0.6 |
| Median |
45.0 |
23.6 |
38.4 |
76.4 |
2.9 |
0.6 |
| Deviation |
7.9 |
12.7 |
18.3 |
4.0 |
1.9 |
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)
| 
