Database: Wind Shock Analysis
Event ID: 20082680944
Observation time: 09/24/2008 268.40623 0944 [UT]
|
|
General
Information (About, Top)
| Year |
2008 |
| Fractional day of year |
268.406233 |
| Arrival time of shock [seconds of day] |
35098.5 ± 30.0 |
| Shock type |
SF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
200.788 |
| Y GSE location of spacecraft [Re] |
42.626 |
| Z GSE location of spacecraft [Re] |
-17.330 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0138 |
| Downstream plasma points selected for analysis |
0003
|
| Downstream field points selected for analysis |
0152 |
| Minimum chisq/dof for RH8,RH9,RH10 |
2.69, 4.99, 6.28 |
Event added to database
|
Wed Sep 25 11:31:34 2013
|
Event last processed
|
Wed Sep 25 17:21:19 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
59.002 ± 23.637
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-288.8 ± 0.8 |
-299.2 ± 3.8 |
| Vy GSE [km/s] |
-9.3 ± 1.4 |
4.9 ± 2.7 |
| Vz GSE [km/s] |
-16.7 ± 0.9 |
-4.3 ± 3.8 |
| Wi [km/s] |
20.3 ± 0.8 |
26.7 ± 0.2 |
| We [km/s] |
640.9 ± 24.5 |
842.9 ± 6.2 |
| Ni [n/cc] |
6.9 ± 0.3 |
9.5 ± 0.3 |
| Bx GSE [nT] |
1.0 ± 0.4 |
1.8 ± 0.3 |
| By GSE [nT] |
-4.8 ± 0.8 |
-2.1 ± 0.8 |
| Bz GSE [nT] |
-2.3 ± 0.2 |
-2.0 ± 0.2 |
Plasma Beta
|
0.201 ± 0.181
|
1.194 ± 1.132
|
Sound Speed [km/s]
|
26.16 ± 1.00
|
34.41 ± 0.25
|
Alfven Speed [km/s]
|
45.77 ± 3.41
|
24.46 ± 1.15
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.835 ± 0.159 |
0.162 ± 0.143 |
0.525 ± 0.471 |
31.70 ± 17.42 |
169.03 ± 9.57 |
| VC |
-0.491 ± 0.160 |
0.668 ± 0.128 |
0.559 ± 0.492 |
33.97 ± 7.86 |
126.32 ± 13.13 |
| MX1 |
-0.830 ± 0.210 |
0.048 ± 0.305 |
0.556 ± 0.490 |
33.75 ± 21.63 |
176.66 ± 21.02 |
| MX2 |
-0.751 ± 0.162 |
0.051 ± 0.243 |
0.658 ± 0.541 |
41.18 ± 14.05 |
176.15 ± 18.50 |
| MX3 |
-0.820 ± 0.095 |
0.116 ± 0.172 |
0.560 ± 0.492 |
34.06 ± 9.50 |
171.94 ± 11.95 |
| RH08 |
-0.622 ± 0.023 |
0.246 ± 0.023 |
-0.743 ± 0.561 |
-47.99 ± 1.77 |
158.44 ± 2.00 |
| RH09 |
-0.622 ± 0.052 |
0.246 ± 0.057 |
-0.743 ± 0.561 |
-47.99 ± 3.94 |
158.44 ± 4.93 |
| RH10 |
-0.622 ± 0.054 |
0.246 ± 0.066 |
-0.743 ± 0.561 |
-47.99 ± 3.96 |
158.44 ± 5.80 |
| Average |
-0.699 |
0.223 |
0.079 |
3.836 |
161.928 |
| Median |
-0.622 |
0.246 |
0.556 |
33.749 |
169.032 |
| Deviation |
0.128 |
0.198 |
0.681 |
43.002 |
16.363 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
58.1 ± 8.3 |
298.6 ± 4.8 |
1.34 ± 0.07 |
| VC |
22.6 ± 8.3 |
206.2 ± 3.7 |
1.34 ± 0.07 |
| MX1 |
63.9 ± 8.4 |
293.5 ± 5.0 |
1.34 ± 0.07 |
| MX2 |
61.8 ± 8.5 |
270.3 ± 5.1 |
1.34 ± 0.07 |
| MX3 |
60.0 ± 8.4 |
293.0 ± 4.9 |
1.34 ± 0.07 |
| RH08 |
89.4 ± 1.1 |
192.8 ± 1.2 |
1.34 ± 0.07 |
| RH09 |
89.4 ± 1.1 |
192.8 ± 1.2 |
1.34 ± 0.07 |
| RH10 |
89.4 ± 1.1 |
192.8 ± 4.6 |
1.34 ± 0.07 |
| Average |
66.8 |
242.5 |
1.34 |
| Median |
63.9 |
270.3 |
1.34 |
| Deviation |
22.8 |
50.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
67.7 ± 0.5 |
12.3 ± 0.2 |
24.2 ± 1.8 |
51.3 ± 2.5 |
5.51 ± 0.10 |
1.32 ± 0.07 |
| VC |
79.8 ± 1.0 |
23.4 ± 0.6 |
42.3 ± 3.1 |
47.3 ± 3.0 |
3.42 ± 0.13 |
1.69 ± 0.10 |
| MX1 |
63.5 ± 0.5 |
10.2 ± 0.2 |
20.1 ± 1.5 |
51.8 ± 2.5 |
6.26 ± 0.11 |
1.23 ± 0.06 |
| MX2 |
64.9 ± 0.5 |
10.9 ± 0.2 |
21.6 ± 1.6 |
51.6 ± 2.5 |
5.94 ± 0.12 |
1.26 ± 0.06 |
| MX3 |
66.5 ± 0.5 |
11.6 ± 0.2 |
22.9 ± 1.7 |
51.5 ± 2.5 |
5.73 ± 0.11 |
1.29 ± 0.07 |
| RH8 |
3.0 ± 1.0 |
0.2 ± 0.0 |
0.5 ± 0.0 |
52.8 ± 2.5 |
12.02 ± 3.88 |
0.06 ± 0.02 |
| RH9 |
3.0 ± 1.0 |
0.2 ± 0.0 |
0.5 ± 0.0 |
52.8 ± 2.5 |
12.02 ± 3.88 |
0.06 ± 0.02 |
| RH10 |
3.0 ± 1.0 |
0.2 ± 0.0 |
0.5 ± 0.0 |
52.8 ± 2.5 |
12.02 ± 3.88 |
0.06 ± 0.02 |
| Average |
43.9 |
8.6 |
16.6 |
51.5 |
7.9 |
0.9 |
| Median |
64.9 |
10.9 |
21.6 |
51.8 |
6.3 |
1.3 |
| Deviation |
34.3 |
8.1 |
15.0 |
1.8 |
3.5 |
0.7 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
50.2 ± 4.8 |
10.9 ± 0.3 |
12.9 ± 0.6 |
40.8 ± 0.4 |
4.63 ± 0.59 |
1.23 ± 0.13 |
| VC |
58.3 ± 2.3 |
21.3 ± 0.8 |
22.6 ± 1.1 |
36.4 ± 0.1 |
2.74 ± 0.22 |
1.60 ± 0.07 |
| MX1 |
47.4 ± 5.2 |
9.0 ± 0.3 |
10.8 ± 0.5 |
41.3 ± 0.4 |
5.29 ± 0.75 |
1.15 ± 0.14 |
| MX2 |
48.2 ± 5.2 |
9.7 ± 0.3 |
11.5 ± 0.5 |
41.1 ± 0.4 |
5.01 ± 0.71 |
1.17 ± 0.14 |
| MX3 |
49.4 ± 5.0 |
10.3 ± 0.3 |
12.2 ± 0.6 |
41.0 ± 0.4 |
4.82 ± 0.64 |
1.21 ± 0.13 |
| RH8 |
2.2 ± 1.2 |
0.2 ± 0.0 |
0.3 ± 0.0 |
42.2 ± 0.5 |
10.15 ± 5.32 |
0.05 ± 0.03 |
| RH9 |
2.2 ± 1.2 |
0.2 ± 0.0 |
0.3 ± 0.0 |
42.2 ± 0.5 |
10.15 ± 5.32 |
0.05 ± 0.03 |
| RH10 |
2.2 ± 1.2 |
0.2 ± 0.0 |
0.3 ± 0.0 |
42.2 ± 0.5 |
10.15 ± 5.32 |
0.05 ± 0.03 |
| Average |
32.5 |
7.7 |
8.9 |
40.9 |
6.6 |
0.8 |
| Median |
48.2 |
9.7 |
11.5 |
41.3 |
5.3 |
1.2 |
| Deviation |
25.3 |
7.3 |
8.0 |
1.9 |
3.0 |
0.6 |
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)
| 
