Database: Wind Shock Analysis
Event ID: 20021041256
Observation time: 04/14/2002 104.53891 1256 [UT]
|
|
General
Information (About, Top)
| Year |
2002 |
| Fractional day of year |
104.538906 |
| Arrival time of shock [seconds of day] |
46561.5 ± 12.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
21.006 |
| Y GSE location of spacecraft [Re] |
180.753 |
| Z GSE location of spacecraft [Re] |
5.997 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0271 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0265 |
| Minimum chisq/dof for RH8,RH9,RH10 |
10.17, 27.05, 28.81 |
Event added to database
|
Mon Feb 14 11:18:56 2005
|
Event last processed
|
Mon Mar 30 22:59:27 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
333.842 ± 48.693
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-376.2 ± 0.4 |
-403.8 ± 4.1 |
| Vy GSE [km/s] |
10.7 ± 0.3 |
2.2 ± 1.1 |
| Vz GSE [km/s] |
-15.6 ± 0.6 |
-20.6 ± 2.7 |
| Wi [km/s] |
20.2 ± 0.2 |
30.1 ± 1.8 |
| We [km/s] |
638.4 ± 5.1 |
950.6 ± 58.4 |
| Ni [n/cc] |
20.7 ± 0.3 |
51.8 ± 4.9 |
| Bx GSE [nT] |
-2.7 ± 0.3 |
-5.2 ± 0.2 |
| By GSE [nT] |
1.2 ± 0.4 |
2.8 ± 0.3 |
| Bz GSE [nT] |
2.2 ± 0.2 |
4.1 ± 0.4 |
Plasma Beta
|
1.301 ± 1.301
|
1.967 ± 1.739
|
Sound Speed [km/s]
|
26.06 ± 0.21
|
38.81 ± 2.39
|
Alfven Speed [km/s]
|
17.70 ± 0.23
|
21.79 ± 1.59
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.723 ± 0.234 |
-0.639 ± 0.256 |
-0.261 ± 0.254 |
-15.10 ± 27.62 |
221.47 ± 19.17 |
| VC |
-0.940 ± 0.024 |
-0.299 ± 0.068 |
-0.163 ± 0.162 |
-9.39 ± 3.99 |
197.62 ± 4.15 |
| MX1 |
-0.717 ± 0.091 |
-0.510 ± 0.114 |
-0.474 ± 0.435 |
-28.32 ± 7.04 |
215.41 ± 8.68 |
| MX2 |
-0.717 ± 0.091 |
-0.531 ± 0.111 |
-0.452 ± 0.418 |
-26.86 ± 7.56 |
216.51 ± 8.41 |
| MX3 |
-0.717 ± 0.094 |
-0.549 ± 0.111 |
-0.430 ± 0.401 |
-25.48 ± 8.17 |
217.47 ± 8.38 |
| RH08 |
-0.074 ± 0.023 |
-0.806 ± 0.015 |
0.587 ± 0.508 |
35.92 ± 1.47 |
264.74 ± 1.62 |
| RH09 |
-0.758 ± 0.046 |
-0.542 ± 0.059 |
-0.363 ± 0.346 |
-21.29 ± 4.04 |
215.60 ± 4.30 |
| RH10 |
-0.763 ± 0.045 |
-0.527 ± 0.059 |
-0.374 ± 0.356 |
-21.98 ± 4.04 |
214.60 ± 4.30 |
| Average |
-0.676 |
-0.550 |
-0.241 |
-14.063 |
220.426 |
| Median |
-0.717 |
-0.531 |
-0.363 |
-21.292 |
216.512 |
| Deviation |
0.255 |
0.141 |
0.350 |
21.155 |
19.240 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
79.5 ± 7.8 |
315.0 ± 3.1 |
2.63 ± 0.17 |
| VC |
59.4 ± 7.4 |
403.8 ± 4.2 |
2.63 ± 0.17 |
| MX1 |
84.7 ± 7.4 |
317.1 ± 4.0 |
2.63 ± 0.17 |
| MX2 |
84.3 ± 7.5 |
316.4 ± 3.9 |
2.63 ± 0.17 |
| MX3 |
83.9 ± 7.5 |
315.7 ± 3.8 |
2.63 ± 0.17 |
| RH08 |
81.7 ± 4.2 |
21.3 ± 3.4 |
2.63 ± 0.17 |
| RH09 |
79.7 ± 7.6 |
331.6 ± 3.8 |
2.63 ± 0.17 |
| RH10 |
79.6 ± 7.6 |
334.3 ± 3.8 |
2.63 ± 0.17 |
| Average |
79.1 |
294.4 |
2.63 |
| Median |
81.7 |
317.1 |
2.63 |
| Deviation |
8.2 |
114.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
45.6 ± 0.2 |
2.7 ± 0.0 |
3.2 ± 0.0 |
31.4 ± 0.3 |
17.03 ± 0.22 |
1.45 ± 0.01 |
| VC |
50.7 ± 0.3 |
7.7 ± 0.1 |
9.0 ± 0.1 |
30.6 ± 0.2 |
6.61 ± 0.11 |
1.66 ± 0.02 |
| MX1 |
45.3 ± 0.2 |
1.4 ± 0.0 |
1.6 ± 0.0 |
31.5 ± 0.3 |
33.16 ± 0.40 |
1.44 ± 0.01 |
| MX2 |
45.3 ± 0.2 |
1.5 ± 0.0 |
1.8 ± 0.0 |
31.5 ± 0.3 |
31.04 ± 0.38 |
1.44 ± 0.01 |
| MX3 |
45.3 ± 0.2 |
1.6 ± 0.0 |
1.9 ± 0.0 |
31.5 ± 0.3 |
29.15 ± 0.36 |
1.44 ± 0.01 |
| RH8 |
11.1 ± 0.4 |
2.1 ± 0.0 |
2.5 ± 0.0 |
31.4 ± 0.3 |
5.26 ± 0.20 |
0.35 ± 0.01 |
| RH9 |
46.8 ± 0.2 |
2.6 ± 0.0 |
3.2 ± 0.0 |
31.4 ± 0.3 |
17.86 ± 0.23 |
1.49 ± 0.01 |
| RH10 |
46.9 ± 0.2 |
2.7 ± 0.0 |
3.2 ± 0.0 |
31.4 ± 0.3 |
17.66 ± 0.23 |
1.50 ± 0.01 |
| Average |
42.1 |
2.8 |
3.3 |
31.3 |
19.7 |
1.3 |
| Median |
45.6 |
2.6 |
3.2 |
31.4 |
17.9 |
1.5 |
| Deviation |
12.7 |
2.1 |
2.4 |
0.3 |
10.6 |
0.4 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
18.9 ± 3.3 |
3.5 ± 0.2 |
4.0 ± 0.3 |
44.4 ± 1.7 |
5.44 ± 0.86 |
0.43 ± 0.09 |
| VC |
21.4 ± 4.1 |
9.9 ± 0.5 |
11.1 ± 0.8 |
43.4 ± 1.7 |
2.16 ± 0.38 |
0.50 ± 0.11 |
| MX1 |
18.7 ± 3.9 |
1.8 ± 0.1 |
2.0 ± 0.1 |
44.5 ± 1.7 |
10.57 ± 2.02 |
0.42 ± 0.10 |
| MX2 |
18.7 ± 3.9 |
1.9 ± 0.1 |
2.2 ± 0.2 |
44.5 ± 1.7 |
9.88 ± 1.86 |
0.42 ± 0.10 |
| MX3 |
18.7 ± 3.8 |
2.0 ± 0.1 |
2.3 ± 0.2 |
44.5 ± 1.7 |
9.27 ± 1.71 |
0.42 ± 0.10 |
| RH8 |
5.1 ± 1.8 |
2.7 ± 0.1 |
3.1 ± 0.2 |
44.5 ± 1.7 |
1.89 ± 0.72 |
0.11 ± 0.04 |
| RH9 |
19.4 ± 3.8 |
3.4 ± 0.2 |
3.9 ± 0.3 |
44.4 ± 1.7 |
5.71 ± 1.01 |
0.44 ± 0.10 |
| RH10 |
19.5 ± 3.8 |
3.4 ± 0.2 |
3.9 ± 0.3 |
44.4 ± 1.7 |
5.66 ± 1.01 |
0.44 ± 0.10 |
| Average |
17.5 |
3.6 |
4.1 |
44.3 |
6.3 |
0.4 |
| Median |
18.9 |
3.4 |
3.9 |
44.5 |
5.7 |
0.4 |
| Deviation |
5.1 |
2.6 |
3.0 |
0.4 |
3.3 |
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)
| 
