Database: Wind Shock Analysis
Event ID: 20082230350
Observation time: 08/10/2008 223.16030 0350 [UT]
|
|
General
Information (About, Top)
| Year |
2008 |
| Fractional day of year |
223.160295 |
| Arrival time of shock [seconds of day] |
13849.5 ± 20.0 |
| Shock type |
FR |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
213.439 |
| Y GSE location of spacecraft [Re] |
-92.267 |
| Z GSE location of spacecraft [Re] |
-6.208 |
| Upstream plasma points selected for analysis |
0004 |
| Upstream field points selected for analysis |
0134 |
| Downstream plasma points selected for analysis |
0005
|
| Downstream field points selected for analysis |
0212 |
| Minimum chisq/dof for RH8,RH9,RH10 |
11.70, 14.97, 16.97 |
Event added to database
|
Wed Sep 25 11:23:46 2013
|
Event last processed
|
Wed Sep 25 17:13:15 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
57.487 ± 2.551
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-547.4 ± 11.6 |
-636.2 ± 6.2 |
| Vy GSE [km/s] |
26.9 ± 14.8 |
-8.8 ± 10.1 |
| Vz GSE [km/s] |
28.7 ± 26.8 |
-31.9 ± 4.2 |
| Wi [km/s] |
75.8 ± 14.2 |
49.4 ± 6.5 |
| We [km/s] |
2395.7 ± 448.6 |
1561.6 ± 204.9 |
| Ni [n/cc] |
4.7 ± 0.6 |
2.3 ± 0.2 |
| Bx GSE [nT] |
3.4 ± 0.7 |
0.5 ± 0.7 |
| By GSE [nT] |
2.6 ± 2.9 |
-1.2 ± 0.9 |
| Bz GSE [nT] |
-5.7 ± 1.6 |
-3.3 ± 0.5 |
Plasma Beta
|
1.016 ± 0.788
|
0.883 ± 0.865
|
Sound Speed [km/s]
|
97.80 ± 18.32
|
63.75 ± 8.36
|
Alfven Speed [km/s]
|
77.79 ± 4.40
|
53.99 ± 3.88
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.718 ± 0.602 |
0.513 ± 0.739 |
0.471 ± 0.433 |
28.11 ± 50.24 |
144.46 ± 55.76 |
| VC |
-0.793 ± 0.112 |
-0.315 ± 0.135 |
-0.522 ± 0.469 |
-31.49 ± 11.75 |
201.64 ± 9.32 |
| MX1 |
-0.581 ± 0.216 |
-0.041 ± 0.224 |
-0.813 ± 0.553 |
-54.37 ± 15.26 |
184.05 ± 22.01 |
| MX2 |
-0.994 ± 0.089 |
0.102 ± 0.830 |
-0.027 ± 0.027 |
-1.57 ± 53.73 |
174.15 ± 47.82 |
| MX3 |
-0.652 ± 0.160 |
0.024 ± 0.199 |
-0.758 ± 0.561 |
-49.26 ± 12.07 |
177.90 ± 17.51 |
| RH08 |
-0.824 ± 0.027 |
0.527 ± 0.040 |
0.207 ± 0.204 |
11.93 ± 3.46 |
147.41 ± 2.74 |
| RH09 |
-0.861 ± 0.036 |
0.489 ± 0.061 |
0.140 ± 0.139 |
8.03 ± 4.02 |
150.42 ± 4.07 |
| RH10 |
-0.868 ± 0.035 |
0.473 ± 0.062 |
0.151 ± 0.150 |
8.68 ± 4.03 |
151.42 ± 4.07 |
| Average |
-0.786 |
0.221 |
-0.144 |
-9.992 |
166.430 |
| Median |
-0.793 |
0.473 |
0.140 |
8.028 |
174.145 |
| Deviation |
0.132 |
0.321 |
0.485 |
30.821 |
20.934 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
59.0 ± 18.1 |
403.5 ± 9.5 |
0.51 ± 0.07 |
| VC |
85.4 ± 14.8 |
285.9 ± 9.2 |
0.51 ± 0.07 |
| MX1 |
70.8 ± 12.5 |
198.5 ± 10.7 |
0.51 ± 0.07 |
| MX2 |
66.9 ± 5.9 |
466.5 ± 5.4 |
0.51 ± 0.07 |
| MX3 |
74.0 ± 10.9 |
236.6 ± 9.7 |
0.51 ± 0.07 |
| RH08 |
69.4 ± 14.0 |
428.8 ± 6.5 |
0.51 ± 0.07 |
| RH09 |
70.8 ± 12.4 |
436.5 ± 5.8 |
0.51 ± 0.07 |
| RH10 |
69.7 ± 12.3 |
439.0 ± 25.6 |
0.51 ± 0.07 |
| Average |
70.7 |
361.9 |
0.51 |
| Median |
70.8 |
428.8 |
0.51 |
| Deviation |
7.4 |
104.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-16.7 ± 23.4 |
32.0 ± 0.6 |
40.1 ± 2.3 |
121.4 ± 12.6 |
-0.53 ± 0.74 |
-0.15 ± 0.20 |
| VC |
-124.5 ± 9.1 |
4.8 ± 0.1 |
6.3 ± 0.4 |
125.5 ± 12.3 |
-25.67 ± 1.40 |
-0.99 ± 0.05 |
| MX1 |
-95.2 ± 15.6 |
20.0 ± 0.4 |
25.6 ± 1.4 |
124.0 ± 12.4 |
-4.76 ± 0.76 |
-0.77 ± 0.12 |
| MX2 |
-79.8 ± 11.0 |
24.0 ± 0.5 |
30.6 ± 1.7 |
123.2 ± 12.4 |
-3.32 ± 0.47 |
-0.65 ± 0.12 |
| MX3 |
-99.3 ± 13.1 |
16.7 ± 0.4 |
21.5 ± 1.2 |
124.5 ± 12.4 |
-5.94 ± 0.75 |
-0.80 ± 0.11 |
| RH8 |
-42.5 ± 17.8 |
21.4 ± 0.4 |
27.4 ± 1.5 |
123.7 ± 12.4 |
-1.99 ± 0.85 |
-0.35 ± 0.16 |
| RH9 |
-52.0 ± 16.2 |
20.0 ± 0.4 |
25.6 ± 1.4 |
124.0 ± 12.4 |
-2.60 ± 0.83 |
-0.43 ± 0.15 |
| RH10 |
-53.2 ± 16.4 |
21.1 ± 0.4 |
27.0 ± 1.5 |
123.8 ± 12.4 |
-2.53 ± 0.80 |
-0.44 ± 0.16 |
| Average |
-70.4 |
20.0 |
25.5 |
123.8 |
-5.9 |
-0.6 |
| Median |
-53.2 |
21.1 |
27.0 |
124.0 |
-2.6 |
-0.4 |
| Deviation |
35.4 |
7.6 |
9.5 |
1.2 |
8.2 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-33.6 ± 2.6 |
21.7 ± 0.8 |
27.8 ± 2.0 |
81.0 ± 3.8 |
-1.55 ± 0.14 |
-0.42 ± 0.05 |
| VC |
-237.7 ± 7.3 |
3.3 ± 0.1 |
4.4 ± 0.3 |
83.8 ± 3.9 |
-72.41 ± 4.13 |
-2.84 ± 0.19 |
| MX1 |
-197.5 ± 5.6 |
13.5 ± 0.5 |
17.7 ± 1.3 |
82.8 ± 3.8 |
-14.60 ± 0.85 |
-2.39 ± 0.17 |
| MX2 |
-166.1 ± 5.6 |
16.3 ± 0.6 |
21.2 ± 1.5 |
82.3 ± 3.8 |
-10.20 ± 0.61 |
-2.02 ± 0.15 |
| MX3 |
-202.2 ± 5.7 |
11.3 ± 0.4 |
14.9 ± 1.1 |
83.1 ± 3.8 |
-17.85 ± 1.05 |
-2.44 ± 0.18 |
| RH8 |
-84.3 ± 4.0 |
14.5 ± 0.5 |
19.0 ± 1.4 |
82.6 ± 3.8 |
-5.81 ± 0.41 |
-1.02 ± 0.09 |
| RH9 |
-102.6 ± 4.2 |
13.6 ± 0.5 |
17.8 ± 1.3 |
82.8 ± 3.8 |
-7.56 ± 0.50 |
-1.24 ± 0.10 |
| RH10 |
-104.2 ± 4.1 |
14.3 ± 0.5 |
18.7 ± 1.3 |
82.6 ± 3.8 |
-7.29 ± 0.47 |
-1.26 ± 0.10 |
| Average |
-141.0 |
13.6 |
17.7 |
82.6 |
-17.2 |
-1.7 |
| Median |
-104.2 |
14.3 |
18.7 |
82.8 |
-7.6 |
-1.3 |
| Deviation |
70.2 |
5.2 |
6.6 |
0.8 |
22.9 |
0.8 |
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)
| 
