Database: Ace Shock Analysis
Event ID: 20050950233
Observation time: 04/05/2005 95.10662 0233 [UT]
|
|
General
Information (About, Top)
| Year |
2005 |
| Fractional day of year |
95.106624 |
| Arrival time of shock [seconds of day] |
9212.3 ± 30.0 |
| Shock type |
FR |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
233.296 |
| Y GSE location of spacecraft [Re] |
40.221 |
| Z GSE location of spacecraft [Re] |
-22.331 |
| Upstream plasma points selected for analysis |
0006 |
| Upstream field points selected for analysis |
0344 |
| Downstream plasma points selected for analysis |
0010
|
| Downstream field points selected for analysis |
0633 |
| Minimum chisq/dof for RH8,RH9,RH10 |
9.90, 13.22, 13.53 |
Event added to database
|
Fri Oct 10 14:49:47 2014
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Event last processed
|
Wed Oct 15 11:25:41 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
94.327 ± 3.262
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-562.3 ± 16.2 |
-664.1 ± 7.3 |
| Vy GSE [km/s] |
77.7 ± 12.6 |
-12.3 ± 4.1 |
| Vz GSE [km/s] |
8.0 ± 31.3 |
-7.3 ± 6.6 |
| Wi [km/s] |
80.1 ± 1.5 |
60.4 ± 4.0 |
| We [km/s] |
2534.5 ± 48.8 |
1910.7 ± 127.7 |
| Ni [n/cc] |
10.0 ± 1.2 |
3.8 ± 0.2 |
| Bx GSE [nT] |
6.0 ± 2.3 |
1.1 ± 0.8 |
| By GSE [nT] |
-10.8 ± 1.0 |
-6.2 ± 0.3 |
| Bz GSE [nT] |
1.1 ± 3.7 |
-0.0 ± 0.7 |
Plasma Beta
|
0.806 ± 0.835
|
0.720 ± 0.755
|
Sound Speed [km/s]
|
103.47 ± 1.99
|
78.00 ± 5.21
|
Alfven Speed [km/s]
|
89.65 ± 4.75
|
71.78 ± 3.85
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.947 ± 0.314 |
-0.259 ± 1.098 |
0.191 ± 0.188 |
10.99 ± 28.58 |
195.28 ± 66.43 |
| VC |
-0.743 ± 0.052 |
-0.660 ± 0.057 |
-0.114 ± 0.114 |
-6.57 ± 12.09 |
221.62 ± 4.23 |
| MX1 |
-0.643 ± 0.248 |
-0.760 ± 0.210 |
-0.097 ± 0.097 |
-5.57 ± 8.18 |
229.75 ± 18.71 |
| MX2 |
-0.662 ± 0.358 |
-0.744 ± 0.318 |
-0.096 ± 0.095 |
-5.50 ± 10.17 |
228.34 ± 27.53 |
| MX3 |
-0.654 ± 0.237 |
-0.750 ± 0.207 |
-0.094 ± 0.094 |
-5.40 ± 7.73 |
228.91 ± 18.06 |
| RH08 |
-0.533 ± 0.019 |
-0.842 ± 0.012 |
-0.084 ± 0.084 |
-4.81 ± 1.11 |
237.66 ± 1.28 |
| RH09 |
-0.989 ± 0.010 |
0.148 ± 0.068 |
0.006 ± 0.006 |
0.32 ± 4.05 |
171.48 ± 3.94 |
| RH10 |
-0.989 ± 0.010 |
0.148 ± 0.068 |
0.006 ± 0.006 |
0.32 ± 4.05 |
171.48 ± 3.94 |
| Average |
-0.770 |
-0.465 |
-0.035 |
-2.027 |
210.564 |
| Median |
-0.662 |
-0.660 |
-0.084 |
-4.807 |
228.340 |
| Deviation |
0.179 |
0.418 |
0.103 |
5.912 |
27.167 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
78.3 ± 11.3 |
439.5 ± 3.6 |
0.38 ± 0.05 |
| VC |
78.4 ± 10.2 |
276.0 ± 3.7 |
0.38 ± 0.05 |
| MX1 |
70.6 ± 10.3 |
215.0 ± 3.7 |
0.38 ± 0.05 |
| MX2 |
71.9 ± 10.3 |
226.1 ± 3.7 |
0.38 ± 0.05 |
| MX3 |
71.3 ± 10.3 |
221.5 ± 3.7 |
0.38 ± 0.05 |
| RH08 |
63.0 ± 10.4 |
150.2 ± 3.7 |
0.38 ± 0.05 |
| RH09 |
54.5 ± 10.2 |
513.2 ± 2.6 |
0.38 ± 0.05 |
| RH10 |
54.5 ± 10.2 |
513.2 ± 19.8 |
0.38 ± 0.05 |
| Average |
67.8 |
319.3 |
0.38 |
| Median |
71.3 |
276.0 |
0.38 |
| Deviation |
9.5 |
146.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-74.4 ± 19.9 |
13.8 ± 0.4 |
18.1 ± 1.0 |
136.3 ± 3.2 |
-5.41 ± 1.47 |
-0.55 ± 0.15 |
| VC |
-89.4 ± 17.2 |
13.7 ± 0.4 |
18.1 ± 1.0 |
136.3 ± 3.2 |
-6.53 ± 1.30 |
-0.66 ± 0.13 |
| MX1 |
-86.8 ± 17.0 |
22.8 ± 0.7 |
29.8 ± 1.6 |
135.0 ± 3.1 |
-3.80 ± 0.77 |
-0.64 ± 0.13 |
| MX2 |
-87.4 ± 17.0 |
21.3 ± 0.6 |
27.9 ± 1.5 |
135.3 ± 3.1 |
-4.11 ± 0.83 |
-0.65 ± 0.13 |
| MX3 |
-87.3 ± 17.0 |
22.0 ± 0.7 |
28.7 ± 1.5 |
135.2 ± 3.1 |
-3.98 ± 0.80 |
-0.65 ± 0.13 |
| RH8 |
-83.4 ± 16.5 |
31.6 ± 1.0 |
40.7 ± 2.2 |
133.3 ± 3.0 |
-2.64 ± 0.54 |
-0.63 ± 0.12 |
| RH9 |
-54.4 ± 15.3 |
41.2 ± 1.3 |
52.0 ± 2.8 |
130.6 ± 2.9 |
-1.32 ± 0.38 |
-0.42 ± 0.12 |
| RH10 |
-54.4 ± 15.3 |
41.2 ± 1.3 |
52.0 ± 2.8 |
130.6 ± 2.9 |
-1.32 ± 0.38 |
-0.42 ± 0.12 |
| Average |
-77.2 |
25.9 |
33.4 |
134.1 |
-3.6 |
-0.6 |
| Median |
-83.4 |
22.8 |
29.8 |
135.2 |
-3.8 |
-0.6 |
| Deviation |
14.8 |
11.0 |
13.5 |
2.3 |
1.8 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-191.2 ± 7.5 |
10.7 ± 0.3 |
14.5 ± 0.8 |
105.6 ± 3.9 |
-17.87 ± 0.80 |
-1.81 ± 0.08 |
| VC |
-226.2 ± 7.7 |
10.7 ± 0.3 |
14.5 ± 0.8 |
105.6 ± 3.9 |
-21.24 ± 0.94 |
-2.14 ± 0.10 |
| MX1 |
-222.1 ± 7.3 |
17.8 ± 0.6 |
23.9 ± 1.3 |
104.6 ± 3.8 |
-12.51 ± 0.55 |
-2.13 ± 0.10 |
| MX2 |
-223.2 ± 7.4 |
16.6 ± 0.5 |
22.3 ± 1.2 |
104.8 ± 3.8 |
-13.47 ± 0.59 |
-2.13 ± 0.10 |
| MX3 |
-222.9 ± 7.4 |
17.1 ± 0.6 |
23.0 ± 1.2 |
104.7 ± 3.8 |
-13.06 ± 0.57 |
-2.13 ± 0.10 |
| RH8 |
-214.8 ± 6.9 |
24.6 ± 0.8 |
32.6 ± 1.7 |
103.2 ± 3.8 |
-8.74 ± 0.38 |
-2.08 ± 0.10 |
| RH9 |
-141.6 ± 6.8 |
32.0 ± 1.0 |
41.6 ± 2.2 |
101.2 ± 3.8 |
-4.42 ± 0.23 |
-1.40 ± 0.08 |
| RH10 |
-141.6 ± 6.8 |
32.0 ± 1.0 |
41.6 ± 2.2 |
101.2 ± 3.8 |
-4.42 ± 0.23 |
-1.40 ± 0.08 |
| Average |
-198.0 |
20.2 |
26.8 |
103.9 |
-12.0 |
-1.9 |
| Median |
-214.8 |
17.8 |
23.9 |
104.7 |
-12.5 |
-2.1 |
| Deviation |
36.5 |
8.5 |
10.8 |
1.8 |
6.0 |
0.3 |
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)
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