Database: Wind Shock Analysis
Event ID: 20080202042
Observation time: 01/20/2008 20.86259 2042 [UT]
|
|
General
Information (About, Top)
| Year |
2008 |
| Fractional day of year |
20.862587 |
| Arrival time of shock [seconds of day] |
74527.5 ± 20.0 |
| Shock type |
SF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
232.230 |
| Y GSE location of spacecraft [Re] |
-88.105 |
| Z GSE location of spacecraft [Re] |
11.020 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0241 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0252 |
| Minimum chisq/dof for RH8,RH9,RH10 |
4.68, 4.92, 5.34 |
Event added to database
|
Wed Sep 25 10:48:42 2013
|
Event last processed
|
Wed Sep 25 17:00:55 2013
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
47.579 ± 11.901
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-590.5 ± 2.6 |
-610.8 ± 3.2 |
| Vy GSE [km/s] |
2.0 ± 1.0 |
-5.9 ± 4.9 |
| Vz GSE [km/s] |
16.6 ± 2.7 |
-9.7 ± 4.1 |
| Wi [km/s] |
42.3 ± 1.2 |
32.4 ± 1.5 |
| We [km/s] |
1336.9 ± 36.7 |
1023.0 ± 48.0 |
| Ni [n/cc] |
2.2 ± 0.0 |
1.5 ± 0.1 |
| Bx GSE [nT] |
-2.5 ± 0.1 |
2.4 ± 0.1 |
| By GSE [nT] |
0.1 ± 0.1 |
2.2 ± 0.5 |
| Bz GSE [nT] |
-1.9 ± 0.2 |
2.4 ± 0.3 |
Plasma Beta
|
0.843 ± 0.819
|
0.200 ± 0.212
|
Sound Speed [km/s]
|
54.58 ± 1.50
|
41.77 ± 1.96
|
Alfven Speed [km/s]
|
46.11 ± 0.93
|
72.95 ± 4.14
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.375 ± 0.077 |
0.927 ± 0.032 |
-0.036 ± 0.036 |
-2.04 ± 9.83 |
112.01 ± 4.79 |
| VC |
-0.604 ± 0.092 |
-0.241 ± 0.145 |
-0.760 ± 0.561 |
-49.45 ± 5.89 |
201.80 ± 13.52 |
| MX1 |
-0.685 ± 0.256 |
0.644 ± 0.270 |
0.341 ± 0.327 |
19.93 ± 14.58 |
136.73 ± 22.04 |
| MX2 |
-0.958 ± 0.335 |
-0.227 ± 1.377 |
0.173 ± 0.172 |
9.99 ± 27.27 |
193.31 ± 82.30 |
| MX3 |
-0.640 ± 0.183 |
-0.291 ± 0.355 |
0.711 ± 0.556 |
45.31 ± 7.76 |
204.47 ± 31.56 |
| RH08 |
-0.687 ± 0.010 |
0.359 ± 0.013 |
0.631 ± 0.530 |
39.14 ± 0.83 |
152.42 ± 1.00 |
| RH09 |
-0.687 ± 0.024 |
0.359 ± 0.035 |
0.631 ± 0.530 |
39.14 ± 1.75 |
152.42 ± 2.79 |
| RH10 |
-0.687 ± 0.035 |
0.359 ± 0.049 |
0.631 ± 0.530 |
39.14 ± 2.52 |
152.42 ± 3.95 |
| Average |
-0.665 |
0.236 |
0.290 |
17.647 |
163.198 |
| Median |
-0.685 |
0.359 |
0.631 |
39.145 |
152.423 |
| Deviation |
0.159 |
0.449 |
0.500 |
31.858 |
33.315 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
69.4 ± 3.3 |
222.8 ± 1.5 |
0.71 ± 0.05 |
| VC |
21.7 ± 4.6 |
265.1 ± 3.6 |
0.71 ± 0.05 |
| MX1 |
68.7 ± 4.8 |
412.6 ± 1.2 |
0.71 ± 0.05 |
| MX2 |
49.4 ± 3.9 |
532.4 ± 2.3 |
0.71 ± 0.05 |
| MX3 |
85.8 ± 4.0 |
396.6 ± 1.3 |
0.71 ± 0.05 |
| RH08 |
79.6 ± 5.1 |
430.2 ± 1.0 |
0.71 ± 0.05 |
| RH09 |
79.6 ± 5.1 |
430.2 ± 1.0 |
0.71 ± 0.05 |
| RH10 |
79.6 ± 5.1 |
430.2 ± 7.3 |
0.71 ± 0.05 |
| Average |
66.7 |
390.0 |
0.71 |
| Median |
79.6 |
430.2 |
0.71 |
| Deviation |
21.4 |
99.5 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
0.5 ± 1.5 |
12.6 ± 0.1 |
16.2 ± 0.3 |
70.3 ± 0.9 |
0.04 ± 0.12 |
0.01 ± 0.02 |
| VC |
-78.2 ± 3.1 |
39.1 ± 0.5 |
42.8 ± 0.9 |
59.8 ± 1.0 |
-2.00 ± 0.08 |
-1.31 ± 0.06 |
| MX1 |
1.5 ± 1.6 |
13.0 ± 0.1 |
16.8 ± 0.3 |
70.3 ± 0.9 |
0.11 ± 0.13 |
0.02 ± 0.02 |
| MX2 |
-35.9 ± 2.3 |
24.4 ± 0.2 |
30.0 ± 0.6 |
67.2 ± 0.9 |
-1.47 ± 0.09 |
-0.54 ± 0.04 |
| MX3 |
7.4 ± 1.9 |
2.6 ± 0.0 |
3.3 ± 0.1 |
71.4 ± 0.9 |
2.88 ± 0.76 |
0.10 ± 0.03 |
| RH8 |
13.1 ± 1.7 |
6.4 ± 0.1 |
8.4 ± 0.2 |
71.2 ± 0.9 |
2.04 ± 0.28 |
0.18 ± 0.02 |
| RH9 |
13.1 ± 1.7 |
6.4 ± 0.1 |
8.4 ± 0.2 |
71.2 ± 0.9 |
2.04 ± 0.28 |
0.18 ± 0.02 |
| RH10 |
13.1 ± 1.7 |
6.4 ± 0.1 |
8.4 ± 0.2 |
71.2 ± 0.9 |
2.04 ± 0.28 |
0.18 ± 0.02 |
| Average |
-8.2 |
13.9 |
16.8 |
69.1 |
0.7 |
-0.1 |
| Median |
7.4 |
12.6 |
16.2 |
71.2 |
2.0 |
0.1 |
| Deviation |
32.6 |
12.2 |
13.4 |
4.0 |
1.8 |
0.5 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-0.8 ± 5.5 |
12.9 ± 0.4 |
25.7 ± 1.5 |
83.1 ± 3.1 |
-0.06 ± 0.42 |
-0.01 ± 0.06 |
| VC |
-112.4 ± 3.2 |
37.6 ± 1.5 |
67.8 ± 3.8 |
75.2 ± 3.8 |
-2.99 ± 0.12 |
-1.50 ± 0.09 |
| MX1 |
1.7 ± 3.7 |
13.3 ± 0.4 |
26.5 ± 1.5 |
83.1 ± 3.1 |
0.13 ± 0.28 |
0.02 ± 0.04 |
| MX2 |
-52.6 ± 2.6 |
24.6 ± 0.8 |
47.5 ± 2.7 |
80.4 ± 3.2 |
-2.14 ± 0.12 |
-0.66 ± 0.05 |
| MX3 |
10.8 ± 3.8 |
2.6 ± 0.1 |
5.3 ± 0.3 |
84.1 ± 3.0 |
4.12 ± 1.40 |
0.13 ± 0.04 |
| RH8 |
18.6 ± 2.3 |
6.6 ± 0.2 |
13.2 ± 0.8 |
83.9 ± 3.0 |
2.84 ± 0.39 |
0.22 ± 0.03 |
| RH9 |
18.6 ± 2.3 |
6.6 ± 0.2 |
13.2 ± 0.8 |
83.9 ± 3.0 |
2.84 ± 0.39 |
0.22 ± 0.03 |
| RH10 |
18.6 ± 2.3 |
6.6 ± 0.2 |
13.2 ± 0.8 |
83.9 ± 3.0 |
2.84 ± 0.39 |
0.22 ± 0.03 |
| Average |
-12.2 |
13.9 |
26.6 |
82.2 |
0.9 |
-0.2 |
| Median |
10.8 |
12.9 |
25.7 |
83.9 |
2.8 |
0.1 |
| Deviation |
46.9 |
11.8 |
21.1 |
3.1 |
2.6 |
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)
| 
