Database: Wind Shock Analysis
Event ID: 20021381945
Observation time: 05/18/2002 138.82349 1945 [UT]
|
|
General
Information (About, Top)
| Year |
2002 |
| Fractional day of year |
138.823490 |
| Arrival time of shock [seconds of day] |
71149.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
10.838 |
| Y GSE location of spacecraft [Re] |
317.198 |
| Z GSE location of spacecraft [Re] |
21.990 |
| Upstream plasma points selected for analysis |
0010 |
| Upstream field points selected for analysis |
0302 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0217 |
| Minimum chisq/dof for RH8,RH9,RH10 |
12.97, 25.01, 29.40 |
Event added to database
|
Mon Feb 14 11:19:21 2005
|
Event last processed
|
Mon Mar 30 23:06:19 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
8.995 ± 0.928
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-329.3 ± 2.9 |
-484.7 ± 3.2 |
| Vy GSE [km/s] |
-10.7 ± 3.0 |
-58.3 ± 10.9 |
| Vz GSE [km/s] |
-14.1 ± 3.5 |
6.8 ± 10.5 |
| Wi [km/s] |
30.9 ± 1.1 |
50.9 ± 3.6 |
| We [km/s] |
977.0 ± 33.9 |
1608.1 ± 113.7 |
| Ni [n/cc] |
7.2 ± 0.2 |
20.5 ± 2.0 |
| Bx GSE [nT] |
4.7 ± 0.4 |
1.3 ± 1.5 |
| By GSE [nT] |
-2.5 ± 0.4 |
-11.3 ± 3.1 |
| Bz GSE [nT] |
0.2 ± 0.9 |
-9.1 ± 3.8 |
Plasma Beta
|
0.498 ± 0.509
|
0.476 ± 0.477
|
Sound Speed [km/s]
|
39.88 ± 1.38
|
65.65 ± 4.64
|
Alfven Speed [km/s]
|
43.93 ± 1.92
|
73.83 ± 3.41
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.909 ± 0.048 |
0.413 ± 0.105 |
-0.053 ± 0.053 |
-3.06 ± 8.70 |
155.54 ± 6.61 |
| VC |
-0.949 ± 0.020 |
-0.289 ± 0.059 |
0.127 ± 0.127 |
7.31 ± 3.61 |
196.97 ± 3.59 |
| MX1 |
-0.986 ± 0.106 |
0.167 ± 0.626 |
0.031 ± 0.031 |
1.81 ± 11.68 |
170.40 ± 36.39 |
| MX2 |
-0.954 ± 0.012 |
-0.005 ± 0.173 |
0.300 ± 0.291 |
17.47 ± 2.32 |
180.33 ± 10.42 |
| MX3 |
-0.939 ± 0.020 |
-0.048 ± 0.169 |
0.342 ± 0.328 |
19.99 ± 3.03 |
182.90 ± 10.32 |
| RH08 |
-0.982 ± 0.002 |
-0.130 ± 0.009 |
0.140 ± 0.139 |
8.03 ± 0.87 |
187.52 ± 0.54 |
| RH09 |
-0.693 ± 0.043 |
0.616 ± 0.046 |
-0.374 ± 0.356 |
-21.98 ± 4.04 |
138.38 ± 3.50 |
| RH10 |
-0.686 ± 0.051 |
0.631 ± 0.054 |
-0.363 ± 0.346 |
-21.29 ± 4.02 |
137.38 ± 4.30 |
| Average |
-0.887 |
0.169 |
0.019 |
1.034 |
168.677 |
| Median |
-0.939 |
0.167 |
0.127 |
7.309 |
180.326 |
| Deviation |
0.124 |
0.348 |
0.271 |
15.871 |
22.570 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
10.6 ± 4.9 |
487.8 ± 13.5 |
2.91 ± 0.28 |
| VC |
46.8 ± 5.2 |
566.0 ± 16.8 |
2.91 ± 0.28 |
| MX1 |
21.3 ± 4.8 |
545.9 ± 14.7 |
2.91 ± 0.28 |
| MX2 |
35.3 ± 5.0 |
545.0 ± 15.9 |
2.91 ± 0.28 |
| MX3 |
38.6 ± 5.3 |
540.3 ± 16.1 |
2.91 ± 0.28 |
| RH08 |
38.1 ± 4.9 |
568.7 ± 16.2 |
2.91 ± 0.28 |
| RH09 |
25.2 ± 8.0 |
333.5 ± 12.6 |
2.91 ± 0.28 |
| RH10 |
25.2 ± 7.8 |
328.5 ± 12.6 |
2.91 ± 0.28 |
| Average |
30.1 |
489.5 |
2.91 |
| Median |
35.3 |
545.0 |
2.91 |
| Deviation |
11.6 |
100.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
192.1 ± 2.0 |
37.2 ± 1.0 |
43.2 ± 1.9 |
46.2 ± 1.5 |
5.16 ± 0.13 |
4.16 ± 0.10 |
| VC |
252.3 ± 3.1 |
21.7 ± 0.6 |
30.1 ± 1.3 |
55.2 ± 1.5 |
11.63 ± 0.20 |
4.57 ± 0.08 |
| MX1 |
223.6 ± 2.4 |
33.1 ± 0.8 |
40.9 ± 1.8 |
49.3 ± 1.4 |
6.76 ± 0.14 |
4.54 ± 0.09 |
| MX2 |
235.1 ± 1.9 |
27.0 ± 0.7 |
35.8 ± 1.6 |
52.8 ± 1.5 |
8.70 ± 0.19 |
4.45 ± 0.10 |
| MX3 |
235.6 ± 1.9 |
25.6 ± 0.7 |
34.3 ± 1.5 |
53.6 ± 1.5 |
9.22 ± 0.20 |
4.40 ± 0.10 |
| RH8 |
246.0 ± 2.8 |
25.8 ± 0.7 |
34.6 ± 1.5 |
53.5 ± 1.5 |
9.55 ± 0.18 |
4.60 ± 0.09 |
| RH9 |
106.5 ± 2.0 |
31.5 ± 0.8 |
39.7 ± 1.7 |
50.3 ± 1.5 |
3.39 ± 0.07 |
2.12 ± 0.04 |
| RH10 |
104.3 ± 1.9 |
31.5 ± 0.8 |
39.7 ± 1.7 |
50.3 ± 1.5 |
3.32 ± 0.07 |
2.07 ± 0.04 |
| Average |
199.5 |
29.2 |
37.3 |
51.4 |
7.2 |
3.9 |
| Median |
235.1 |
31.5 |
39.7 |
52.8 |
8.7 |
4.5 |
| Deviation |
60.8 |
5.0 |
4.3 |
2.9 |
3.1 |
1.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
71.6 ± 5.8 |
61.7 ± 3.8 |
72.6 ± 3.4 |
77.2 ± 3.6 |
1.17 ± 0.14 |
0.93 ± 0.10 |
| VC |
88.4 ± 4.0 |
36.0 ± 2.0 |
50.6 ± 2.3 |
92.0 ± 4.6 |
2.46 ± 0.18 |
0.96 ± 0.07 |
| MX1 |
77.8 ± 4.0 |
54.9 ± 3.2 |
68.8 ± 3.2 |
82.2 ± 3.9 |
1.42 ± 0.13 |
0.95 ± 0.08 |
| MX2 |
80.3 ± 4.4 |
44.9 ± 2.5 |
60.2 ± 2.8 |
88.1 ± 4.3 |
1.80 ± 0.16 |
0.91 ± 0.08 |
| MX3 |
80.3 ± 4.6 |
42.4 ± 2.4 |
57.7 ± 2.7 |
89.3 ± 4.4 |
1.90 ± 0.17 |
0.90 ± 0.08 |
| RH8 |
84.4 ± 3.4 |
42.8 ± 2.4 |
58.1 ± 2.7 |
89.1 ± 4.4 |
1.98 ± 0.15 |
0.95 ± 0.07 |
| RH9 |
35.9 ± 7.9 |
52.2 ± 3.0 |
66.8 ± 3.1 |
83.9 ± 4.1 |
0.69 ± 0.17 |
0.43 ± 0.10 |
| RH10 |
35.4 ± 8.0 |
52.2 ± 3.0 |
66.8 ± 3.1 |
83.9 ± 4.1 |
0.68 ± 0.17 |
0.42 ± 0.10 |
| Average |
69.3 |
48.4 |
62.7 |
85.7 |
1.5 |
0.8 |
| Median |
80.3 |
52.2 |
66.8 |
88.1 |
1.8 |
0.9 |
| Deviation |
21.3 |
8.3 |
7.2 |
4.8 |
0.6 |
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)
| 
