Database: Wind Shock Analysis
Event ID: 20020072231
Observation time: 01/07/2002 7.93839 2231 [UT]
|
|
General
Information (About, Top)
| Year |
2002 |
| Fractional day of year |
7.938385 |
| Arrival time of shock [seconds of day] |
81076.5 ± 30.0 |
| Shock type |
SR |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
47.960 |
| Y GSE location of spacecraft [Re] |
-286.528 |
| Z GSE location of spacecraft [Re] |
18.840 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0283 |
| Downstream plasma points selected for analysis |
0006
|
| Downstream field points selected for analysis |
0202 |
| Minimum chisq/dof for RH8,RH9,RH10 |
8.89, 20.48, 21.68 |
Event added to database
|
Mon Feb 14 11:17:24 2005
|
Event last processed
|
Mon Mar 30 22:30:39 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
-99.484 ± 1.409
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-354.1 ± 1.2 |
-367.9 ± 1.0 |
| Vy GSE [km/s] |
-20.7 ± 1.0 |
-12.9 ± 2.2 |
| Vz GSE [km/s] |
0.9 ± 0.9 |
12.7 ± 2.0 |
| Wi [km/s] |
31.0 ± 0.8 |
27.5 ± 0.5 |
| We [km/s] |
978.8 ± 24.9 |
870.5 ± 16.6 |
| Ni [n/cc] |
23.2 ± 0.8 |
13.9 ± 0.5 |
| Bx GSE [nT] |
3.4 ± 0.9 |
9.0 ± 0.2 |
| By GSE [nT] |
-1.5 ± 0.4 |
-5.4 ± 0.3 |
| Bz GSE [nT] |
6.1 ± 0.6 |
-2.0 ± 0.3 |
Plasma Beta
|
0.907 ± 0.853
|
0.194 ± 0.196
|
Sound Speed [km/s]
|
39.96 ± 1.01
|
35.54 ± 0.68
|
Alfven Speed [km/s]
|
32.64 ± 1.46
|
62.65 ± 2.02
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.685 ± 0.034 |
0.347 ± 0.055 |
-0.640 ± 0.534 |
-39.80 ± 1.98 |
153.13 ± 4.55 |
| VC |
-0.704 ± 0.062 |
0.394 ± 0.083 |
0.591 ± 0.510 |
36.20 ± 4.92 |
150.76 ± 6.41 |
| MX1 |
-0.691 ± 0.040 |
0.338 ± 0.071 |
-0.638 ± 0.533 |
-39.67 ± 2.05 |
153.92 ± 5.84 |
| MX2 |
-0.644 ± 0.072 |
0.415 ± 0.109 |
-0.642 ± 0.535 |
-39.98 ± 2.03 |
147.18 ± 9.61 |
| MX3 |
-0.805 ± 0.135 |
0.200 ± 0.418 |
-0.558 ± 0.491 |
-33.93 ± 9.09 |
166.03 ± 29.67 |
| RH08 |
-0.535 ± 0.008 |
-0.845 ± 0.005 |
0.017 ± 0.017 |
0.96 ± 0.73 |
237.66 ± 0.55 |
| RH09 |
-0.535 ± 0.055 |
-0.845 ± 0.035 |
0.017 ± 0.017 |
0.96 ± 3.55 |
237.66 ± 3.72 |
| RH10 |
-0.535 ± 0.055 |
-0.845 ± 0.035 |
0.017 ± 0.017 |
0.96 ± 3.61 |
237.66 ± 3.73 |
| Average |
-0.642 |
-0.105 |
-0.230 |
-14.287 |
185.500 |
| Median |
-0.644 |
0.338 |
0.017 |
0.960 |
166.033 |
| Deviation |
0.099 |
0.616 |
0.458 |
28.251 |
43.526 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
19.5 ± 8.4 |
227.4 ± 3.0 |
0.60 ± 0.02 |
| VC |
84.9 ± 8.5 |
213.5 ± 4.9 |
0.60 ± 0.02 |
| MX1 |
19.6 ± 8.4 |
229.7 ± 3.0 |
0.60 ± 0.02 |
| MX2 |
20.3 ± 7.6 |
211.5 ± 3.1 |
0.60 ± 0.02 |
| MX3 |
25.9 ± 8.9 |
271.2 ± 2.9 |
0.60 ± 0.02 |
| RH08 |
86.5 ± 4.5 |
205.8 ± 3.0 |
0.60 ± 0.02 |
| RH09 |
86.5 ± 4.5 |
205.8 ± 3.0 |
0.60 ± 0.02 |
| RH10 |
86.5 ± 4.5 |
205.8 ± 3.0 |
0.60 ± 0.02 |
| Average |
53.7 |
221.3 |
0.60 |
| Median |
84.9 |
213.5 |
0.60 |
| Deviation |
34.7 |
22.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-7.5 ± 0.9 |
28.6 ± 0.9 |
30.8 ± 1.4 |
43.0 ± 0.7 |
-0.26 ± 0.03 |
-0.17 ± 0.02 |
| VC |
-28.2 ± 1.4 |
2.2 ± 0.0 |
2.9 ± 0.1 |
51.6 ± 0.7 |
-12.66 ± 0.72 |
-0.55 ± 0.03 |
| MX1 |
-7.5 ± 0.9 |
28.6 ± 0.9 |
30.8 ± 1.4 |
43.0 ± 0.7 |
-0.26 ± 0.03 |
-0.18 ± 0.02 |
| MX2 |
-7.3 ± 0.9 |
28.3 ± 0.8 |
30.6 ± 1.4 |
43.1 ± 0.6 |
-0.26 ± 0.03 |
-0.17 ± 0.02 |
| MX3 |
-9.3 ± 1.0 |
26.4 ± 0.7 |
29.4 ± 1.3 |
44.3 ± 0.6 |
-0.35 ± 0.04 |
-0.21 ± 0.02 |
| RH8 |
-1.1 ± 0.8 |
1.5 ± 0.0 |
2.0 ± 0.1 |
51.6 ± 0.7 |
-0.73 ± 0.50 |
-0.02 ± 0.02 |
| RH9 |
-1.1 ± 0.8 |
1.5 ± 0.0 |
2.0 ± 0.1 |
51.6 ± 0.7 |
-0.73 ± 0.50 |
-0.02 ± 0.02 |
| RH10 |
-1.1 ± 0.8 |
1.5 ± 0.0 |
2.0 ± 0.1 |
51.6 ± 0.7 |
-0.73 ± 0.50 |
-0.02 ± 0.02 |
| Average |
-7.9 |
14.8 |
16.3 |
47.5 |
-2.0 |
-0.2 |
| Median |
-7.3 |
26.4 |
29.4 |
51.6 |
-0.4 |
-0.2 |
| Deviation |
8.9 |
14.1 |
15.1 |
4.4 |
4.3 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-12.2 ± 1.6 |
32.7 ± 0.6 |
59.1 ± 1.9 |
64.2 ± 1.9 |
-0.37 ± 0.05 |
-0.19 ± 0.02 |
| VC |
-47.9 ± 2.0 |
2.7 ± 0.0 |
5.5 ± 0.2 |
72.0 ± 1.7 |
-17.57 ± 0.64 |
-0.67 ± 0.02 |
| MX1 |
-12.2 ± 1.6 |
32.7 ± 0.6 |
59.0 ± 1.9 |
64.2 ± 1.9 |
-0.37 ± 0.05 |
-0.19 ± 0.02 |
| MX2 |
-12.0 ± 1.7 |
32.5 ± 0.6 |
58.8 ± 1.9 |
64.3 ± 1.9 |
-0.37 ± 0.05 |
-0.19 ± 0.02 |
| MX3 |
-15.4 ± 1.3 |
30.7 ± 0.5 |
56.4 ± 1.8 |
65.1 ± 1.9 |
-0.50 ± 0.05 |
-0.24 ± 0.02 |
| RH8 |
-2.0 ± 1.6 |
1.9 ± 0.0 |
3.8 ± 0.1 |
72.0 ± 1.7 |
-1.09 ± 0.85 |
-0.03 ± 0.02 |
| RH9 |
-2.0 ± 1.6 |
1.9 ± 0.0 |
3.8 ± 0.1 |
72.0 ± 1.7 |
-1.09 ± 0.85 |
-0.03 ± 0.02 |
| RH10 |
-2.0 ± 1.6 |
1.9 ± 0.0 |
3.8 ± 0.1 |
72.0 ± 1.7 |
-1.09 ± 0.85 |
-0.03 ± 0.02 |
| Average |
-13.2 |
17.1 |
31.3 |
68.2 |
-2.8 |
-0.2 |
| Median |
-12.0 |
30.7 |
56.4 |
72.0 |
-0.5 |
-0.2 |
| Deviation |
15.1 |
16.1 |
28.9 |
4.0 |
6.0 |
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)
| 
