Database: Ace Shock Analysis
Event ID: 20062801954
Observation time: 10/07/2006 280.82947 1954 [UT]
|
|
General
Information (About, Top)
| Year |
2006 |
| Fractional day of year |
280.829475 |
| Arrival time of shock [seconds of day] |
71666.6 ± 60.0 |
| Shock type |
FR |
| Electron data availability |
0 |
| X GSE location of spacecraft [Re] |
240.936 |
| Y GSE location of spacecraft [Re] |
27.998 |
| Z GSE location of spacecraft [Re] |
-24.224 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0638 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0516 |
| Minimum chisq/dof for RH8,RH9,RH10 |
2.28, 9.57, 9.78 |
Event added to database
|
Tue Oct 14 13:40:51 2014
|
Event last processed
|
Wed Oct 15 12:20:08 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
60.242 ± 0.700
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-472.4 ± 1.7 |
-507.8 ± 2.2 |
| Vy GSE [km/s] |
21.9 ± 6.6 |
6.9 ± 5.3 |
| Vz GSE [km/s] |
-32.9 ± 6.0 |
-32.0 ± 7.2 |
| Wi [km/s] |
58.2 ± 2.2 |
51.7 ± 1.2 |
| We [km/s] |
1839.6 ± 70.7 |
1635.7 ± 37.0 |
| Ni [n/cc] |
8.8 ± 1.0 |
4.7 ± 0.3 |
| Bx GSE [nT] |
3.2 ± 0.8 |
4.1 ± 0.6 |
| By GSE [nT] |
-6.5 ± 0.7 |
-3.3 ± 0.4 |
| Bz GSE [nT] |
-2.2 ± 4.7 |
-1.3 ± 0.9 |
Plasma Beta
|
0.853 ± 0.733
|
0.856 ± 0.890
|
Sound Speed [km/s]
|
75.10 ± 2.89
|
66.78 ± 1.51
|
Alfven Speed [km/s]
|
65.01 ± 8.52
|
56.26 ± 4.29
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.874 ± 0.119 |
0.453 ± 0.218 |
0.175 ± 0.173 |
10.07 ± 14.40 |
152.61 ± 14.24 |
| VC |
-0.927 ± 0.070 |
-0.375 ± 0.172 |
0.028 ± 0.028 |
1.63 ± 12.07 |
202.04 ± 10.66 |
| MX1 |
-0.988 ± 0.038 |
-0.130 ± 0.242 |
0.078 ± 0.078 |
4.46 ± 15.94 |
187.48 ± 14.02 |
| MX2 |
-0.981 ± 0.073 |
0.122 ± 0.540 |
0.148 ± 0.147 |
8.51 ± 11.74 |
172.94 ± 31.52 |
| MX3 |
-0.975 ± 0.052 |
-0.217 ± 0.220 |
0.050 ± 0.050 |
2.88 ± 19.77 |
192.57 ± 12.91 |
| RH08 |
-0.992 ± 0.004 |
0.009 ± 0.023 |
0.128 ± 0.128 |
7.38 ± 1.75 |
179.50 ± 1.33 |
| RH09 |
-0.976 ± 0.015 |
-0.199 ± 0.068 |
-0.084 ± 0.084 |
-4.81 ± 4.02 |
191.53 ± 3.99 |
| RH10 |
-0.976 ± 0.015 |
-0.199 ± 0.068 |
-0.084 ± 0.084 |
-4.81 ± 4.02 |
191.53 ± 3.99 |
| Average |
-0.961 |
-0.067 |
0.055 |
3.165 |
183.775 |
| Median |
-0.976 |
-0.130 |
0.078 |
4.458 |
191.532 |
| Deviation |
0.041 |
0.259 |
0.099 |
5.673 |
15.361 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
45.4 ± 7.6 |
389.1 ± 1.7 |
0.52 ± 0.04 |
| VC |
86.2 ± 3.6 |
385.6 ± 1.3 |
0.52 ± 0.04 |
| MX1 |
73.5 ± 4.4 |
420.3 ± 1.4 |
0.52 ± 0.04 |
| MX2 |
61.0 ± 5.1 |
424.4 ± 1.5 |
0.52 ± 0.04 |
| MX3 |
78.0 ± 4.3 |
411.3 ± 1.4 |
0.52 ± 0.04 |
| RH08 |
66.4 ± 4.6 |
424.5 ± 1.5 |
0.52 ± 0.04 |
| RH09 |
78.9 ± 7.7 |
417.0 ± 1.2 |
0.52 ± 0.04 |
| RH10 |
78.9 ± 7.7 |
417.0 ± 9.8 |
0.52 ± 0.04 |
| Average |
71.0 |
411.2 |
0.52 |
| Median |
78.0 |
417.0 |
0.52 |
| Deviation |
13.0 |
15.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-28.0 ± 4.1 |
36.9 ± 2.5 |
45.7 ± 6.0 |
92.6 ± 3.2 |
-0.77 ± 0.15 |
-0.30 ± 0.05 |
| VC |
-42.9 ± 2.6 |
3.2 ± 0.2 |
4.3 ± 0.6 |
99.6 ± 3.8 |
-13.24 ± 0.52 |
-0.43 ± 0.02 |
| MX1 |
-41.2 ± 1.6 |
14.0 ± 0.9 |
18.4 ± 2.4 |
98.6 ± 3.8 |
-2.96 ± 0.17 |
-0.42 ± 0.02 |
| MX2 |
-37.0 ± 2.2 |
24.4 ± 1.6 |
31.5 ± 4.1 |
96.6 ± 3.6 |
-1.53 ± 0.16 |
-0.38 ± 0.03 |
| MX3 |
-42.7 ± 1.8 |
10.1 ± 0.6 |
13.5 ± 1.8 |
99.1 ± 3.8 |
-4.22 ± 0.19 |
-0.43 ± 0.01 |
| RH8 |
-39.9 ± 1.7 |
19.9 ± 1.3 |
26.0 ± 3.4 |
97.6 ± 3.7 |
-2.01 ± 0.17 |
-0.41 ± 0.02 |
| RH9 |
-42.6 ± 2.3 |
9.5 ± 0.6 |
12.6 ± 1.6 |
99.2 ± 3.8 |
-4.51 ± 0.14 |
-0.43 ± 0.01 |
| RH10 |
-42.6 ± 2.3 |
9.5 ± 0.6 |
12.6 ± 1.6 |
99.2 ± 3.8 |
-4.51 ± 0.14 |
-0.43 ± 0.01 |
| Average |
-39.6 |
15.9 |
20.6 |
97.8 |
-4.2 |
-0.4 |
| Median |
-41.2 |
14.0 |
18.4 |
99.1 |
-3.0 |
-0.4 |
| Deviation |
5.1 |
10.7 |
13.2 |
2.3 |
3.9 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-52.4 ± 2.4 |
32.5 ± 1.7 |
39.5 ± 3.0 |
81.1 ± 3.1 |
-1.61 ± 0.08 |
-0.65 ± 0.03 |
| VC |
-81.4 ± 3.5 |
2.9 ± 0.1 |
3.7 ± 0.3 |
87.3 ± 3.5 |
-28.56 ± 2.53 |
-0.94 ± 0.07 |
| MX1 |
-78.3 ± 2.7 |
12.3 ± 0.6 |
16.0 ± 1.2 |
86.5 ± 3.5 |
-6.38 ± 0.49 |
-0.91 ± 0.06 |
| MX2 |
-70.2 ± 2.1 |
21.5 ± 1.1 |
27.3 ± 2.1 |
84.7 ± 3.4 |
-3.27 ± 0.22 |
-0.83 ± 0.05 |
| MX3 |
-80.6 ± 2.9 |
8.9 ± 0.4 |
11.7 ± 0.9 |
86.9 ± 3.5 |
-9.04 ± 0.73 |
-0.93 ± 0.07 |
| RH8 |
-75.0 ± 2.3 |
17.5 ± 0.9 |
22.5 ± 1.7 |
85.6 ± 3.4 |
-4.29 ± 0.31 |
-0.88 ± 0.05 |
| RH9 |
-80.2 ± 2.9 |
8.3 ± 0.4 |
10.9 ± 0.8 |
87.0 ± 3.5 |
-9.64 ± 0.73 |
-0.92 ± 0.06 |
| RH10 |
-80.2 ± 2.9 |
8.3 ± 0.4 |
10.9 ± 0.8 |
87.0 ± 3.5 |
-9.64 ± 0.73 |
-0.92 ± 0.06 |
| Average |
-74.8 |
14.0 |
17.8 |
85.7 |
-9.1 |
-0.9 |
| Median |
-78.3 |
12.3 |
16.0 |
86.9 |
-6.4 |
-0.9 |
| Deviation |
9.8 |
9.5 |
11.5 |
2.1 |
8.4 |
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)
| 
