Database: Ace Shock Analysis
Event ID: 20062740849
Observation time: 10/01/2006 274.36781 0849 [UT]
|
|
General
Information (About, Top)
| Year |
2006 |
| Fractional day of year |
274.367807 |
| Arrival time of shock [seconds of day] |
31778.6 ± 60.0 |
| Shock type |
FR |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
239.449 |
| Y GSE location of spacecraft [Re] |
34.529 |
| Z GSE location of spacecraft [Re] |
-22.976 |
| Upstream plasma points selected for analysis |
0008 |
| Upstream field points selected for analysis |
0510 |
| Downstream plasma points selected for analysis |
0012
|
| Downstream field points selected for analysis |
0714 |
| Minimum chisq/dof for RH8,RH9,RH10 |
7.14, 9.87, 10.28 |
Event added to database
|
Tue Oct 14 13:37:09 2014
|
Event last processed
|
Wed Oct 15 12:17:36 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
-57.806 ± 11.383
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-460.4 ± 6.0 |
-579.1 ± 15.5 |
| Vy GSE [km/s] |
-28.2 ± 6.7 |
-15.5 ± 5.6 |
| Vz GSE [km/s] |
-34.0 ± 7.1 |
-19.8 ± 6.6 |
| Wi [km/s] |
54.3 ± 2.1 |
41.3 ± 2.1 |
| We [km/s] |
1716.3 ± 67.7 |
1305.0 ± 66.9 |
| Ni [n/cc] |
5.9 ± 0.4 |
3.0 ± 0.7 |
| Bx GSE [nT] |
0.6 ± 0.5 |
1.0 ± 1.0 |
| By GSE [nT] |
10.4 ± 0.5 |
3.7 ± 0.3 |
| Bz GSE [nT] |
3.3 ± 0.5 |
1.4 ± 0.5 |
Plasma Beta
|
0.310 ± 0.302
|
0.601 ± 0.609
|
Sound Speed [km/s]
|
70.07 ± 2.76
|
53.27 ± 2.73
|
Alfven Speed [km/s]
|
98.09 ± 5.06
|
54.47 ± 5.91
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.975 ± 0.094 |
0.012 ± 0.293 |
-0.222 ± 0.218 |
-12.82 ± 24.24 |
179.28 ± 17.19 |
| VC |
-0.987 ± 0.012 |
0.103 ± 0.063 |
0.121 ± 0.120 |
6.93 ± 4.63 |
174.07 ± 3.67 |
| MX1 |
-0.995 ± 0.013 |
-0.079 ± 0.142 |
0.063 ± 0.063 |
3.64 ± 5.78 |
184.55 ± 8.18 |
| MX2 |
-0.996 ± 0.012 |
-0.077 ± 0.140 |
0.043 ± 0.043 |
2.49 ± 6.75 |
184.41 ± 8.06 |
| MX3 |
-0.994 ± 0.014 |
-0.081 ± 0.144 |
0.075 ± 0.075 |
4.31 ± 5.54 |
184.64 ± 8.28 |
| RH08 |
-0.041 ± 0.011 |
0.253 ± 0.002 |
-0.966 ± 0.337 |
-75.12 ± 0.00 |
99.28 ± 2.46 |
| RH09 |
-0.037 ± 0.073 |
0.254 ± 0.044 |
-0.966 ± 0.337 |
-75.12 ± 2.59 |
98.27 ± 16.41 |
| RH10 |
-0.037 ± 0.074 |
0.254 ± 0.047 |
-0.966 ± 0.337 |
-75.12 ± 2.73 |
98.27 ± 16.62 |
| Average |
-0.633 |
0.080 |
-0.352 |
-27.603 |
150.347 |
| Median |
-0.975 |
0.103 |
0.043 |
2.492 |
179.281 |
| Deviation |
0.492 |
0.157 |
0.519 |
39.795 |
42.992 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
83.8 ± 2.8 |
319.3 ± 7.2 |
0.56 ± 0.12 |
| VC |
85.4 ± 2.5 |
301.6 ± 7.4 |
0.56 ± 0.12 |
| MX1 |
83.7 ± 2.5 |
316.5 ± 7.3 |
0.56 ± 0.12 |
| MX2 |
83.4 ± 2.5 |
317.9 ± 7.3 |
0.56 ± 0.12 |
| MX3 |
83.8 ± 2.4 |
315.5 ± 7.3 |
0.56 ± 0.12 |
| RH08 |
87.1 ± 2.0 |
45.9 ± 2.0 |
0.56 ± 0.12 |
| RH09 |
87.2 ± 2.0 |
44.3 ± 2.0 |
0.56 ± 0.12 |
| RH10 |
87.2 ± 2.0 |
44.3 ± 19.3 |
0.56 ± 0.12 |
| Average |
85.2 |
213.1 |
0.56 |
| Median |
85.4 |
315.5 |
0.56 |
| Deviation |
1.7 |
139.5 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-136.9 ± 7.3 |
6.1 ± 0.1 |
10.6 ± 0.5 |
120.5 ± 3.4 |
-22.28 ± 0.89 |
-1.14 ± 0.07 |
| VC |
-146.1 ± 5.6 |
4.6 ± 0.1 |
7.8 ± 0.4 |
120.5 ± 3.4 |
-32.08 ± 0.86 |
-1.21 ± 0.05 |
| MX1 |
-141.7 ± 5.4 |
6.3 ± 0.1 |
10.8 ± 0.6 |
120.5 ± 3.4 |
-22.48 ± 0.55 |
-1.18 ± 0.05 |
| MX2 |
-141.4 ± 5.5 |
6.5 ± 0.1 |
11.2 ± 0.6 |
120.4 ± 3.4 |
-21.68 ± 0.55 |
-1.17 ± 0.05 |
| MX3 |
-141.8 ± 5.4 |
6.2 ± 0.1 |
10.6 ± 0.5 |
120.5 ± 3.4 |
-22.98 ± 0.55 |
-1.18 ± 0.05 |
| RH8 |
1.2 ± 8.4 |
2.8 ± 0.1 |
4.9 ± 0.3 |
120.6 ± 3.4 |
0.43 ± 2.91 |
0.01 ± 0.07 |
| RH9 |
1.6 ± 8.4 |
2.8 ± 0.1 |
4.8 ± 0.2 |
120.6 ± 3.4 |
0.59 ± 2.96 |
0.01 ± 0.07 |
| RH10 |
1.6 ± 8.4 |
2.8 ± 0.1 |
4.8 ± 0.2 |
120.6 ± 3.4 |
0.59 ± 2.96 |
0.01 ± 0.07 |
| Average |
-87.9 |
4.8 |
8.2 |
120.5 |
-15.0 |
-0.7 |
| Median |
-136.9 |
6.1 |
10.6 |
120.5 |
-21.7 |
-1.1 |
| Deviation |
74.0 |
1.7 |
3.0 |
0.1 |
13.3 |
0.6 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-249.6 ± 15.0 |
4.1 ± 0.2 |
5.9 ± 0.6 |
76.3 ± 3.7 |
-61.35 ± 5.87 |
-3.28 ± 0.32 |
| VC |
-266.3 ± 15.8 |
3.0 ± 0.1 |
4.4 ± 0.5 |
76.3 ± 3.7 |
-88.25 ± 8.14 |
-3.50 ± 0.33 |
| MX1 |
-259.6 ± 15.2 |
4.2 ± 0.2 |
6.0 ± 0.7 |
76.2 ± 3.7 |
-62.19 ± 5.68 |
-3.42 ± 0.32 |
| MX2 |
-259.2 ± 15.2 |
4.3 ± 0.2 |
6.2 ± 0.7 |
76.2 ± 3.7 |
-60.01 ± 5.49 |
-3.41 ± 0.32 |
| MX3 |
-259.8 ± 15.2 |
4.1 ± 0.2 |
5.9 ± 0.6 |
76.3 ± 3.7 |
-63.53 ± 5.79 |
-3.42 ± 0.32 |
| RH8 |
6.7 ± 6.8 |
1.9 ± 0.1 |
2.7 ± 0.3 |
76.3 ± 3.7 |
3.46 ± 3.56 |
0.09 ± 0.09 |
| RH9 |
7.7 ± 6.8 |
1.9 ± 0.1 |
2.7 ± 0.3 |
76.3 ± 3.7 |
4.03 ± 3.61 |
0.10 ± 0.09 |
| RH10 |
7.7 ± 6.8 |
1.9 ± 0.1 |
2.7 ± 0.3 |
76.3 ± 3.7 |
4.03 ± 3.61 |
0.10 ± 0.09 |
| Average |
-159.1 |
3.2 |
4.6 |
76.3 |
-40.5 |
-2.1 |
| Median |
-249.6 |
4.1 |
5.9 |
76.3 |
-60.0 |
-3.3 |
| Deviation |
137.9 |
1.1 |
1.6 |
0.0 |
37.8 |
1.8 |
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 Mon Apr 13 08:55:21 2009
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
