Database: Wind Shock Analysis
Event ID: 20021802110
Observation time: 06/29/2002 180.88224 2110 [UT]
|
|
General
Information (About, Top)
| Year |
2002 |
| Fractional day of year |
180.882240 |
| Arrival time of shock [seconds of day] |
76225.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
48.012 |
| Y GSE location of spacecraft [Re] |
219.819 |
| Z GSE location of spacecraft [Re] |
17.550 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0271 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0219 |
| Minimum chisq/dof for RH8,RH9,RH10 |
4.89, 6.47, 6.70 |
Event added to database
|
Mon Feb 14 11:19:48 2005
|
Event last processed
|
Mon Mar 30 23:15:02 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
23.178 ± 4.441
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-351.8 ± 4.1 |
-365.4 ± 3.2 |
| Vy GSE [km/s] |
-16.2 ± 3.9 |
-31.5 ± 1.9 |
| Vz GSE [km/s] |
-18.2 ± 3.4 |
-4.0 ± 8.1 |
| Wi [km/s] |
30.1 ± 1.3 |
31.8 ± 1.3 |
| We [km/s] |
952.6 ± 40.3 |
1006.3 ± 40.0 |
| Ni [n/cc] |
5.5 ± 0.2 |
7.5 ± 0.2 |
| Bx GSE [nT] |
2.7 ± 0.5 |
4.3 ± 0.2 |
| By GSE [nT] |
-4.0 ± 0.4 |
-6.9 ± 0.2 |
| Bz GSE [nT] |
-3.6 ± 0.6 |
-1.9 ± 1.0 |
Plasma Beta
|
0.287 ± 0.285
|
0.228 ± 0.229
|
Sound Speed [km/s]
|
38.89 ± 1.65
|
41.08 ± 1.63
|
Alfven Speed [km/s]
|
56.42 ± 1.78
|
66.89 ± 1.95
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.323 ± 0.188 |
0.348 ± 0.187 |
0.880 ± 0.511 |
61.66 ± 11.86 |
132.86 ± 23.22 |
| VC |
-0.562 ± 0.190 |
-0.637 ± 0.180 |
0.528 ± 0.472 |
31.85 ± 15.40 |
228.54 ± 14.85 |
| MX1 |
-0.748 ± 0.180 |
0.105 ± 0.369 |
0.655 ± 0.540 |
40.91 ± 15.21 |
172.04 ± 28.20 |
| MX2 |
-0.829 ± 0.117 |
-0.070 ± 0.271 |
0.554 ± 0.489 |
33.67 ± 11.89 |
184.83 ± 18.70 |
| MX3 |
-0.894 ± 0.065 |
-0.273 ± 0.162 |
0.356 ± 0.340 |
20.87 ± 6.99 |
196.97 ± 10.37 |
| RH08 |
-0.884 ± 0.010 |
-0.229 ± 0.016 |
0.408 ± 0.384 |
24.07 ± 1.32 |
194.54 ± 1.06 |
| RH09 |
-0.883 ± 0.033 |
-0.213 ± 0.068 |
0.419 ± 0.393 |
24.77 ± 3.98 |
193.54 ± 4.37 |
| RH10 |
-0.888 ± 0.032 |
-0.214 ± 0.068 |
0.408 ± 0.384 |
24.07 ± 3.98 |
193.54 ± 4.37 |
| Average |
-0.751 |
-0.148 |
0.526 |
32.733 |
187.106 |
| Median |
-0.829 |
-0.213 |
0.528 |
31.847 |
193.538 |
| Deviation |
0.207 |
0.289 |
0.174 |
13.415 |
27.063 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
26.1 ± 6.9 |
122.3 ± 21.2 |
1.37 ± 0.07 |
| VC |
81.9 ± 3.2 |
291.4 ± 16.2 |
1.37 ± 0.07 |
| MX1 |
37.9 ± 2.2 |
314.3 ± 16.3 |
1.37 ± 0.07 |
| MX2 |
49.4 ± 2.4 |
357.0 ± 15.5 |
1.37 ± 0.07 |
| MX3 |
64.6 ± 2.9 |
391.7 ± 15.1 |
1.37 ± 0.07 |
| RH08 |
61.1 ± 2.8 |
385.4 ± 15.1 |
1.37 ± 0.07 |
| RH09 |
59.9 ± 2.8 |
384.1 ± 15.1 |
1.37 ± 0.07 |
| RH10 |
60.3 ± 2.8 |
386.1 ± 15.1 |
1.37 ± 0.07 |
| Average |
55.1 |
329.0 |
1.37 |
| Median |
60.3 |
384.1 |
1.37 |
| Deviation |
17.2 |
91.5 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
30.3 ± 1.3 |
32.7 ± 1.1 |
50.7 ± 1.6 |
60.3 ± 1.3 |
0.93 ± 0.05 |
0.50 ± 0.02 |
| VC |
92.7 ± 2.9 |
4.5 ± 0.1 |
8.0 ± 0.3 |
68.4 ± 1.2 |
20.50 ± 0.50 |
1.36 ± 0.05 |
| MX1 |
64.6 ± 1.9 |
27.6 ± 0.8 |
44.5 ± 1.4 |
62.8 ± 1.2 |
2.34 ± 0.11 |
1.03 ± 0.04 |
| MX2 |
74.2 ± 2.2 |
22.0 ± 0.6 |
36.7 ± 1.2 |
64.9 ± 1.2 |
3.38 ± 0.15 |
1.14 ± 0.05 |
| MX3 |
79.3 ± 2.5 |
14.0 ± 0.4 |
24.2 ± 0.8 |
67.1 ± 1.2 |
5.66 ± 0.25 |
1.18 ± 0.05 |
| RH8 |
78.1 ± 2.4 |
15.9 ± 0.4 |
27.3 ± 0.9 |
66.7 ± 1.2 |
4.91 ± 0.21 |
1.17 ± 0.05 |
| RH9 |
77.7 ± 2.4 |
16.5 ± 0.4 |
28.3 ± 0.9 |
66.5 ± 1.2 |
4.71 ± 0.21 |
1.17 ± 0.05 |
| RH10 |
77.8 ± 2.5 |
16.3 ± 0.4 |
28.0 ± 0.9 |
66.6 ± 1.2 |
4.77 ± 0.21 |
1.17 ± 0.05 |
| Average |
71.8 |
18.7 |
31.0 |
65.4 |
5.9 |
1.1 |
| Median |
77.8 |
16.5 |
28.3 |
66.6 |
4.8 |
1.2 |
| Deviation |
18.4 |
8.7 |
13.1 |
2.7 |
6.1 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
18.8 ± 6.5 |
35.1 ± 1.1 |
60.1 ± 1.7 |
70.2 ± 1.5 |
0.54 ± 0.20 |
0.27 ± 0.09 |
| VC |
67.9 ± 3.9 |
4.9 ± 0.1 |
9.4 ± 0.3 |
78.4 ± 1.0 |
13.75 ± 1.03 |
0.87 ± 0.05 |
| MX1 |
46.7 ± 4.6 |
29.9 ± 0.8 |
52.8 ± 1.5 |
72.6 ± 1.3 |
1.57 ± 0.19 |
0.64 ± 0.06 |
| MX2 |
54.0 ± 3.9 |
23.9 ± 0.6 |
43.5 ± 1.3 |
74.8 ± 1.2 |
2.26 ± 0.21 |
0.72 ± 0.04 |
| MX3 |
58.0 ± 2.8 |
15.3 ± 0.4 |
28.7 ± 0.8 |
77.0 ± 1.1 |
3.79 ± 0.25 |
0.75 ± 0.03 |
| RH8 |
56.8 ± 3.0 |
17.3 ± 0.4 |
32.4 ± 0.9 |
76.6 ± 1.1 |
3.28 ± 0.23 |
0.74 ± 0.03 |
| RH9 |
56.5 ± 3.1 |
18.0 ± 0.4 |
33.5 ± 1.0 |
76.4 ± 1.1 |
3.15 ± 0.23 |
0.74 ± 0.03 |
| RH10 |
56.7 ± 3.0 |
17.8 ± 0.4 |
33.2 ± 1.0 |
76.5 ± 1.1 |
3.19 ± 0.23 |
0.74 ± 0.03 |
| Average |
51.9 |
20.3 |
36.7 |
75.3 |
3.9 |
0.7 |
| Median |
56.7 |
18.0 |
33.5 |
76.5 |
3.2 |
0.7 |
| Deviation |
14.6 |
9.3 |
15.6 |
2.7 |
4.1 |
0.2 |
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)
| 
