Database: Ace Shock Analysis
Event ID: 20052451339
Observation time: 09/02/2005 245.56928 1339 [UT]
|
|
General
Information (About, Top)
| Year |
2005 |
| Fractional day of year |
245.569280 |
| Arrival time of shock [seconds of day] |
49185.7 ± 60.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
226.032 |
| Y GSE location of spacecraft [Re] |
23.125 |
| Z GSE location of spacecraft [Re] |
-3.118 |
| Upstream plasma points selected for analysis |
0012 |
| Upstream field points selected for analysis |
0780 |
| Downstream plasma points selected for analysis |
0006
|
| Downstream field points selected for analysis |
0378 |
| Minimum chisq/dof for RH8,RH9,RH10 |
7.98, 10.99, 11.23 |
Event added to database
|
Fri Oct 10 16:28:43 2014
|
Event last processed
|
Wed Oct 15 11:43:38 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
38.339 ± 0.179
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-449.6 ± 6.4 |
-524.3 ± 7.8 |
| Vy GSE [km/s] |
-52.7 ± 5.6 |
-76.5 ± 8.2 |
| Vz GSE [km/s] |
-46.9 ± 11.2 |
-33.2 ± 7.3 |
| Wi [km/s] |
38.9 ± 1.3 |
63.4 ± 1.8 |
| We [km/s] |
1231.1 ± 40.2 |
2003.5 ± 56.1 |
| Ni [n/cc] |
5.4 ± 0.2 |
10.5 ± 1.0 |
| Bx GSE [nT] |
-0.7 ± 0.8 |
-2.4 ± 1.3 |
| By GSE [nT] |
5.2 ± 0.9 |
8.8 ± 0.5 |
| Bz GSE [nT] |
3.5 ± 1.2 |
9.1 ± 0.6 |
Plasma Beta
|
0.410 ± 0.413
|
0.531 ± 0.542
|
Sound Speed [km/s]
|
50.26 ± 1.64
|
81.79 ± 2.29
|
Alfven Speed [km/s]
|
61.08 ± 2.97
|
87.47 ± 5.98
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.820 ± 0.498 |
-0.570 ± 0.716 |
0.053 ± 0.053 |
3.04 ± 24.00 |
214.80 ± 50.00 |
| VC |
-0.940 ± 0.045 |
-0.302 ± 0.121 |
0.160 ± 0.159 |
9.21 ± 8.75 |
197.83 ± 7.35 |
| MX1 |
-0.888 ± 0.120 |
-0.457 ± 0.232 |
0.053 ± 0.052 |
3.01 ± 7.30 |
207.26 ± 14.99 |
| MX2 |
-0.904 ± 0.100 |
-0.425 ± 0.212 |
0.037 ± 0.037 |
2.10 ± 8.76 |
205.17 ± 13.46 |
| MX3 |
-0.914 ± 0.093 |
-0.406 ± 0.209 |
0.028 ± 0.028 |
1.60 ± 9.76 |
203.93 ± 13.09 |
| RH08 |
-0.971 ± 0.003 |
-0.234 ± 0.013 |
-0.039 ± 0.039 |
-2.24 ± 0.99 |
193.54 ± 0.76 |
| RH09 |
-0.951 ± 0.022 |
-0.229 ± 0.069 |
-0.207 ± 0.204 |
-11.93 ± 3.97 |
193.54 ± 4.16 |
| RH10 |
-0.951 ± 0.022 |
-0.229 ± 0.069 |
-0.207 ± 0.204 |
-11.93 ± 3.97 |
193.54 ± 4.16 |
| Average |
-0.917 |
-0.357 |
-0.015 |
-0.893 |
201.201 |
| Median |
-0.914 |
-0.302 |
0.037 |
2.099 |
203.934 |
| Deviation |
0.048 |
0.127 |
0.130 |
7.496 |
7.860 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
69.6 ± 10.6 |
556.6 ± 2.7 |
1.96 ± 0.20 |
| VC |
86.6 ± 10.0 |
599.9 ± 2.6 |
1.96 ± 0.20 |
| MX1 |
75.5 ± 10.0 |
586.0 ± 2.5 |
1.96 ± 0.20 |
| MX2 |
76.7 ± 9.7 |
593.5 ± 2.4 |
1.96 ± 0.20 |
| MX3 |
77.4 ± 9.6 |
597.4 ± 2.4 |
1.96 ± 0.20 |
| RH08 |
83.7 ± 8.3 |
615.2 ± 2.1 |
1.96 ± 0.20 |
| RH09 |
78.6 ± 7.0 |
606.1 ± 1.7 |
1.96 ± 0.20 |
| RH10 |
78.6 ± 7.0 |
606.1 ± 14.2 |
1.96 ± 0.20 |
| Average |
78.3 |
595.1 |
1.96 |
| Median |
78.6 |
599.9 |
1.96 |
| Deviation |
5.1 |
17.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
160.4 ± 8.0 |
13.7 ± 0.4 |
21.3 ± 1.0 |
77.9 ± 2.3 |
11.71 ± 0.70 |
2.06 ± 0.13 |
| VC |
169.0 ± 8.7 |
2.3 ± 0.1 |
3.6 ± 0.2 |
79.1 ± 2.3 |
73.31 ± 4.52 |
2.14 ± 0.14 |
| MX1 |
165.3 ± 7.9 |
9.7 ± 0.3 |
15.2 ± 0.7 |
78.5 ± 2.3 |
16.97 ± 0.98 |
2.11 ± 0.13 |
| MX2 |
166.2 ± 7.7 |
9.0 ± 0.2 |
14.1 ± 0.7 |
78.6 ± 2.3 |
18.54 ± 1.05 |
2.12 ± 0.13 |
| MX3 |
166.6 ± 7.6 |
8.5 ± 0.2 |
13.3 ± 0.6 |
78.7 ± 2.3 |
19.62 ± 1.09 |
2.12 ± 0.13 |
| RH8 |
164.3 ± 6.6 |
4.2 ± 0.1 |
6.7 ± 0.3 |
79.0 ± 2.3 |
38.77 ± 1.97 |
2.08 ± 0.11 |
| RH9 |
156.7 ± 5.0 |
7.7 ± 0.2 |
12.1 ± 0.6 |
78.8 ± 2.3 |
20.31 ± 0.86 |
1.99 ± 0.09 |
| RH10 |
156.7 ± 5.0 |
7.7 ± 0.2 |
12.1 ± 0.6 |
78.8 ± 2.3 |
20.31 ± 0.86 |
1.99 ± 0.09 |
| Average |
163.2 |
7.9 |
12.3 |
78.7 |
27.4 |
2.1 |
| Median |
165.3 |
8.5 |
13.3 |
78.8 |
20.3 |
2.1 |
| Deviation |
4.7 |
3.5 |
5.3 |
0.4 |
20.1 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
84.9 ± 4.5 |
21.1 ± 0.6 |
30.5 ± 2.1 |
118.0 ± 4.3 |
4.02 ± 0.18 |
0.72 ± 0.03 |
| VC |
89.5 ± 5.6 |
3.6 ± 0.1 |
5.2 ± 0.4 |
119.8 ± 4.4 |
25.18 ± 1.13 |
0.75 ± 0.03 |
| MX1 |
87.4 ± 5.0 |
15.0 ± 0.4 |
21.8 ± 1.5 |
118.9 ± 4.4 |
5.83 ± 0.24 |
0.74 ± 0.03 |
| MX2 |
88.0 ± 5.1 |
13.8 ± 0.4 |
20.1 ± 1.4 |
119.0 ± 4.4 |
6.37 ± 0.26 |
0.74 ± 0.03 |
| MX3 |
88.3 ± 5.2 |
13.1 ± 0.4 |
19.1 ± 1.3 |
119.1 ± 4.4 |
6.75 ± 0.28 |
0.74 ± 0.03 |
| RH8 |
86.7 ± 6.5 |
6.5 ± 0.2 |
9.6 ± 0.7 |
119.7 ± 4.4 |
13.27 ± 0.68 |
0.72 ± 0.03 |
| RH9 |
83.0 ± 6.9 |
11.9 ± 0.4 |
17.3 ± 1.2 |
119.2 ± 4.4 |
6.98 ± 0.41 |
0.70 ± 0.04 |
| RH10 |
83.0 ± 6.9 |
11.9 ± 0.4 |
17.3 ± 1.2 |
119.2 ± 4.4 |
6.98 ± 0.41 |
0.70 ± 0.04 |
| Average |
86.3 |
12.1 |
17.6 |
119.1 |
9.4 |
0.7 |
| Median |
87.4 |
13.1 |
19.1 |
119.2 |
7.0 |
0.7 |
| Deviation |
2.4 |
5.3 |
7.7 |
0.6 |
6.9 |
0.0 |
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)
| 
