Database: Ace Shock Analysis
Event ID: 20050111957
Observation time: 01/11/2005 11.83163 1957 [UT]
|
|
General
Information (About, Top)
| Year |
2005 |
| Fractional day of year |
11.831630 |
| Arrival time of shock [seconds of day] |
71852.9 ± 40.0 |
| Shock type |
FF |
| Electron data availability |
0 |
| X GSE location of spacecraft [Re] |
227.357 |
| Y GSE location of spacecraft [Re] |
-39.861 |
| Z GSE location of spacecraft [Re] |
21.879 |
| Upstream plasma points selected for analysis |
0010 |
| Upstream field points selected for analysis |
0636 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0478 |
| Minimum chisq/dof for RH8,RH9,RH10 |
1.16, 1.74, 1.76 |
Event added to database
|
Fri Oct 10 12:30:21 2014
|
Event last processed
|
Wed Oct 15 11:17:33 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
49.007 ± 0.919
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-400.9 ± 4.1 |
-417.7 ± 5.5 |
| Vy GSE [km/s] |
-46.4 ± 2.9 |
-52.7 ± 13.7 |
| Vz GSE [km/s] |
12.3 ± 3.3 |
23.4 ± 11.5 |
| Wi [km/s] |
25.6 ± 0.7 |
26.0 ± 1.7 |
| We [km/s] |
808.0 ± 22.3 |
823.0 ± 54.0 |
| Ni [n/cc] |
23.0 ± 1.9 |
31.9 ± 2.4 |
| Bx GSE [nT] |
8.2 ± 0.3 |
10.3 ± 0.8 |
| By GSE [nT] |
-5.7 ± 1.2 |
-7.7 ± 3.8 |
| Bz GSE [nT] |
3.7 ± 1.9 |
5.5 ± 3.9 |
Plasma Beta
|
0.267 ± 0.281
|
0.205 ± 0.213
|
Sound Speed [km/s]
|
32.99 ± 0.91
|
33.60 ± 2.20
|
Alfven Speed [km/s]
|
49.64 ± 2.48
|
57.76 ± 2.67
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.932 ± 0.201 |
0.290 ± 0.522 |
-0.219 ± 0.216 |
-12.67 ± 32.68 |
162.73 ± 32.03 |
| VC |
-0.862 ± 0.245 |
-0.260 ± 0.601 |
0.436 ± 0.406 |
25.83 ± 22.64 |
196.82 ± 39.84 |
| MX1 |
-0.989 ± 0.059 |
-0.086 ± 0.504 |
0.120 ± 0.119 |
6.86 ± 19.27 |
184.96 ± 29.21 |
| MX2 |
-0.967 ± 0.093 |
-0.178 ± 0.442 |
0.182 ± 0.180 |
10.46 ± 14.80 |
190.42 ± 26.15 |
| MX3 |
-0.922 ± 0.119 |
-0.297 ± 0.344 |
0.250 ± 0.244 |
14.46 ± 10.16 |
197.88 ± 21.36 |
| RH08 |
-0.990 ± 0.004 |
-0.113 ± 0.025 |
0.084 ± 0.084 |
4.81 ± 1.38 |
186.52 ± 1.47 |
| RH09 |
-0.995 ± 0.007 |
-0.096 ± 0.068 |
0.039 ± 0.039 |
2.24 ± 4.06 |
185.52 ± 3.91 |
| RH10 |
-0.995 ± 0.007 |
-0.096 ± 0.068 |
0.039 ± 0.039 |
2.24 ± 4.06 |
185.52 ± 3.91 |
| Average |
-0.956 |
-0.105 |
0.116 |
6.779 |
186.294 |
| Median |
-0.967 |
-0.096 |
0.120 |
6.864 |
186.518 |
| Deviation |
0.048 |
0.178 |
0.189 |
11.077 |
10.827 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
21.3 ± 2.8 |
403.1 ± 2.5 |
1.44 ± 0.17 |
| VC |
68.2 ± 3.3 |
438.0 ± 5.1 |
1.44 ± 0.17 |
| MX1 |
48.3 ± 2.3 |
469.4 ± 3.6 |
1.44 ± 0.17 |
| MX2 |
54.6 ± 2.3 |
468.8 ± 3.7 |
1.44 ± 0.17 |
| MX3 |
62.7 ± 2.2 |
458.8 ± 3.8 |
1.44 ± 0.17 |
| RH08 |
48.5 ± 2.3 |
469.6 ± 3.4 |
1.44 ± 0.17 |
| RH09 |
46.3 ± 2.3 |
468.2 ± 3.2 |
1.44 ± 0.17 |
| RH10 |
46.3 ± 2.3 |
468.2 ± 28.4 |
1.44 ± 0.17 |
| Average |
49.5 |
455.5 |
1.44 |
| Median |
48.5 |
468.2 |
1.44 |
| Deviation |
14.0 |
23.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
45.7 ± 4.0 |
29.4 ± 0.7 |
46.3 ± 2.3 |
51.8 ± 2.3 |
1.56 ± 0.15 |
0.88 ± 0.06 |
| VC |
75.2 ± 3.1 |
10.3 ± 0.2 |
18.4 ± 0.9 |
58.7 ± 2.0 |
7.28 ± 0.30 |
1.28 ± 0.05 |
| MX1 |
67.4 ± 3.9 |
19.3 ± 0.4 |
33.0 ± 1.7 |
56.4 ± 2.1 |
3.50 ± 0.21 |
1.19 ± 0.05 |
| MX2 |
70.6 ± 3.8 |
16.5 ± 0.4 |
28.7 ± 1.4 |
57.3 ± 2.0 |
4.27 ± 0.23 |
1.23 ± 0.05 |
| MX3 |
72.5 ± 3.7 |
12.9 ± 0.3 |
22.8 ± 1.1 |
58.2 ± 2.0 |
5.62 ± 0.28 |
1.25 ± 0.05 |
| RH8 |
66.4 ± 4.0 |
19.2 ± 0.4 |
32.9 ± 1.6 |
56.4 ± 2.1 |
3.46 ± 0.21 |
1.18 ± 0.05 |
| RH9 |
64.6 ± 4.1 |
20.1 ± 0.4 |
34.3 ± 1.7 |
56.1 ± 2.1 |
3.21 ± 0.21 |
1.15 ± 0.06 |
| RH10 |
64.6 ± 4.1 |
20.1 ± 0.4 |
34.3 ± 1.7 |
56.1 ± 2.1 |
3.21 ± 0.21 |
1.15 ± 0.06 |
| Average |
65.9 |
18.5 |
31.3 |
56.4 |
4.0 |
1.2 |
| Median |
67.4 |
19.3 |
33.0 |
56.4 |
3.5 |
1.2 |
| Deviation |
9.0 |
5.7 |
8.4 |
2.1 |
1.7 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
34.4 ± 4.9 |
30.4 ± 1.9 |
53.8 ± 2.5 |
59.5 ± 2.5 |
1.14 ± 0.17 |
0.58 ± 0.09 |
| VC |
54.3 ± 3.7 |
10.9 ± 0.6 |
21.4 ± 1.0 |
66.0 ± 2.4 |
4.99 ± 0.46 |
0.82 ± 0.06 |
| MX1 |
48.9 ± 5.2 |
20.2 ± 1.1 |
38.4 ± 1.8 |
63.7 ± 2.4 |
2.42 ± 0.27 |
0.77 ± 0.08 |
| MX2 |
51.3 ± 5.3 |
17.4 ± 0.9 |
33.4 ± 1.5 |
64.6 ± 2.4 |
2.95 ± 0.32 |
0.79 ± 0.08 |
| MX3 |
52.4 ± 5.6 |
13.6 ± 0.7 |
26.5 ± 1.2 |
65.5 ± 2.4 |
3.86 ± 0.42 |
0.80 ± 0.08 |
| RH8 |
48.2 ± 5.7 |
20.2 ± 1.1 |
38.3 ± 1.8 |
63.7 ± 2.4 |
2.39 ± 0.28 |
0.76 ± 0.09 |
| RH9 |
46.8 ± 5.9 |
21.1 ± 1.2 |
39.9 ± 1.8 |
63.4 ± 2.4 |
2.22 ± 0.28 |
0.74 ± 0.09 |
| RH10 |
46.8 ± 5.9 |
21.1 ± 1.2 |
39.9 ± 1.8 |
63.4 ± 2.4 |
2.22 ± 0.28 |
0.74 ± 0.09 |
| Average |
47.9 |
19.4 |
36.5 |
63.7 |
2.8 |
0.7 |
| Median |
48.9 |
20.2 |
38.4 |
63.7 |
2.4 |
0.8 |
| Deviation |
6.1 |
5.8 |
9.8 |
1.9 |
1.2 |
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 Mon Apr 13 08:55:21 2009
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
