Database: Wind Shock Analysis
Event ID: 20021431044
Observation time: 05/23/2002 143.44783 1044 [UT]
|
|
General
Information (About, Top)
| Year |
2002 |
| Fractional day of year |
143.447830 |
| Arrival time of shock [seconds of day] |
38692.5 ± 6.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
17.117 |
| Y GSE location of spacecraft [Re] |
320.760 |
| Z GSE location of spacecraft [Re] |
22.880 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0205 |
| Downstream plasma points selected for analysis |
0005
|
| Downstream field points selected for analysis |
0179 |
| Minimum chisq/dof for RH8,RH9,RH10 |
52.10, 61.01, 65.77 |
Event added to database
|
Sat Mar 12 23:12:09 2005
|
Event last processed
|
Mon Mar 30 23:43:42 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
22.565 ± 5.116
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-441.4 ± 3.4 |
-554.7 ± 10.4 |
| Vy GSE [km/s] |
-9.4 ± 5.1 |
-7.6 ± 7.6 |
| Vz GSE [km/s] |
-37.7 ± 7.1 |
-136.8 ± 9.2 |
| Wi [km/s] |
38.2 ± 1.2 |
61.3 ± 5.1 |
| We [km/s] |
1209.0 ± 39.3 |
1939.2 ± 160.6 |
| Ni [n/cc] |
9.4 ± 1.2 |
16.0 ± 3.5 |
| Bx GSE [nT] |
-2.9 ± 0.2 |
-7.0 ± 2.6 |
| By GSE [nT] |
13.0 ± 0.7 |
30.3 ± 0.3 |
| Bz GSE [nT] |
7.2 ± 1.6 |
9.9 ± 2.7 |
Plasma Beta
|
0.127 ± 0.124
|
0.119 ± 0.103
|
Sound Speed [km/s]
|
49.36 ± 1.60
|
79.17 ± 6.55
|
Alfven Speed [km/s]
|
107.82 ± 6.52
|
181.30 ± 21.04
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.602 ± 0.624 |
-0.050 ± 0.852 |
-0.797 ± 0.557 |
-52.82 ± 44.71 |
184.71 ± 80.92 |
| VC |
-0.754 ± 0.045 |
0.012 ± 0.056 |
-0.657 ± 0.540 |
-41.07 ± 3.92 |
179.12 ± 4.27 |
| MX1 |
-0.726 ± 0.053 |
-0.060 ± 0.076 |
-0.685 ± 0.550 |
-43.27 ± 4.44 |
184.76 ± 6.02 |
| MX2 |
-0.731 ± 0.049 |
-0.062 ± 0.078 |
-0.679 ± 0.548 |
-42.78 ± 4.10 |
184.86 ± 6.07 |
| MX3 |
-0.736 ± 0.046 |
-0.064 ± 0.079 |
-0.674 ± 0.546 |
-42.37 ± 3.92 |
184.94 ± 6.11 |
| RH08 |
-0.837 ± 0.007 |
-0.437 ± 0.010 |
-0.330 ± 0.317 |
-19.25 ± 1.08 |
207.58 ± 0.65 |
| RH09 |
-0.860 ± 0.034 |
-0.449 ± 0.060 |
-0.240 ± 0.235 |
-13.90 ± 4.04 |
207.58 ± 3.94 |
| RH10 |
-0.863 ± 0.036 |
-0.451 ± 0.063 |
-0.229 ± 0.225 |
-13.24 ± 3.97 |
207.58 ± 4.17 |
| Average |
-0.764 |
-0.195 |
-0.536 |
-33.587 |
192.640 |
| Median |
-0.736 |
-0.062 |
-0.657 |
-41.073 |
184.937 |
| Deviation |
0.088 |
0.209 |
0.230 |
15.531 |
12.518 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
72.4 ± 4.5 |
682.0 ± 171.0 |
1.72 ± 0.39 |
| VC |
81.1 ± 4.1 |
745.7 ± 169.1 |
1.72 ± 0.39 |
| MX1 |
76.4 ± 4.1 |
736.6 ± 170.7 |
1.72 ± 0.39 |
| MX2 |
76.5 ± 4.0 |
738.9 ± 170.5 |
1.72 ± 0.39 |
| MX3 |
76.7 ± 4.0 |
740.7 ± 170.4 |
1.72 ± 0.39 |
| RH08 |
68.3 ± 2.1 |
718.7 ± 143.4 |
1.72 ± 0.39 |
| RH09 |
70.5 ± 1.8 |
708.3 ± 134.9 |
1.72 ± 0.39 |
| RH10 |
70.8 ± 1.7 |
706.6 ± 133.8 |
1.72 ± 0.39 |
| Average |
74.1 |
722.2 |
1.72 |
| Median |
76.4 |
736.6 |
1.72 |
| Deviation |
4.2 |
22.2 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
385.7 ± 3.6 |
13.7 ± 0.4 |
32.6 ± 2.0 |
117.8 ± 6.0 |
28.24 ± 0.94 |
3.28 ± 0.19 |
| VC |
388.3 ± 2.5 |
7.0 ± 0.2 |
16.7 ± 1.0 |
118.4 ± 6.0 |
55.88 ± 1.81 |
3.29 ± 0.18 |
| MX1 |
389.9 ± 2.4 |
10.6 ± 0.3 |
25.4 ± 1.5 |
118.1 ± 6.0 |
36.79 ± 1.18 |
3.31 ± 0.18 |
| MX2 |
389.8 ± 2.4 |
10.5 ± 0.3 |
25.1 ± 1.5 |
118.1 ± 6.0 |
37.20 ± 1.19 |
3.31 ± 0.18 |
| MX3 |
389.7 ± 2.3 |
10.4 ± 0.3 |
24.9 ± 1.5 |
118.2 ± 6.0 |
37.55 ± 1.20 |
3.31 ± 0.18 |
| RH8 |
332.7 ± 2.5 |
16.7 ± 0.5 |
39.8 ± 2.4 |
117.4 ± 6.0 |
19.91 ± 0.61 |
2.84 ± 0.13 |
| RH9 |
315.2 ± 3.2 |
15.1 ± 0.5 |
35.9 ± 2.2 |
117.6 ± 6.0 |
20.95 ± 0.65 |
2.68 ± 0.12 |
| RH10 |
312.8 ± 3.3 |
14.8 ± 0.4 |
35.4 ± 2.1 |
117.7 ± 6.0 |
21.09 ± 0.65 |
2.66 ± 0.12 |
| Average |
363.0 |
12.3 |
29.5 |
117.9 |
32.2 |
3.1 |
| Median |
388.3 |
13.7 |
32.6 |
118.1 |
36.8 |
3.3 |
| Deviation |
35.9 |
3.2 |
7.7 |
0.3 |
12.3 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
238.6 ± 10.6 |
22.0 ± 1.7 |
54.9 ± 6.4 |
196.8 ± 19.6 |
10.88 ± 0.93 |
1.22 ± 0.15 |
| VC |
237.8 ± 11.0 |
11.2 ± 0.9 |
28.1 ± 3.3 |
197.7 ± 19.6 |
21.29 ± 1.72 |
1.21 ± 0.14 |
| MX1 |
239.9 ± 10.8 |
17.1 ± 1.3 |
42.7 ± 5.0 |
197.3 ± 19.6 |
14.09 ± 1.16 |
1.23 ± 0.14 |
| MX2 |
239.8 ± 10.8 |
16.9 ± 1.3 |
42.2 ± 4.9 |
197.3 ± 19.6 |
14.24 ± 1.17 |
1.23 ± 0.14 |
| MX3 |
239.7 ± 10.8 |
16.7 ± 1.3 |
41.8 ± 4.9 |
197.3 ± 19.6 |
14.37 ± 1.18 |
1.23 ± 0.14 |
| RH8 |
206.1 ± 9.6 |
27.0 ± 2.1 |
66.9 ± 7.8 |
196.2 ± 19.6 |
7.68 ± 0.64 |
1.06 ± 0.11 |
| RH9 |
194.8 ± 9.4 |
24.3 ± 1.8 |
60.4 ± 7.0 |
196.5 ± 19.6 |
8.06 ± 0.66 |
1.00 ± 0.10 |
| RH10 |
193.2 ± 9.4 |
23.9 ± 1.8 |
59.5 ± 6.9 |
196.6 ± 19.6 |
8.11 ± 0.66 |
0.99 ± 0.10 |
| Average |
223.7 |
19.9 |
49.6 |
197.0 |
12.3 |
1.1 |
| Median |
238.6 |
22.0 |
54.9 |
197.3 |
14.1 |
1.2 |
| Deviation |
21.6 |
5.2 |
12.9 |
0.5 |
4.6 |
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)
| 
