Database: Ace Shock Analysis
Event ID: 20043130420
Observation time: 11/08/2004 313.18061 0420 [UT]
|
|
General
Information (About, Top)
| Year |
2004 |
| Fractional day of year |
313.180610 |
| Arrival time of shock [seconds of day] |
15604.7 ± 20.0 |
| Shock type |
FR |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
241.681 |
| Y GSE location of spacecraft [Re] |
24.014 |
| Z GSE location of spacecraft [Re] |
-15.875 |
| Upstream plasma points selected for analysis |
0006 |
| Upstream field points selected for analysis |
0358 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0430 |
| Minimum chisq/dof for RH8,RH9,RH10 |
20.63, 269.08, 280.14 |
Event added to database
|
Wed Oct 15 10:52:47 2014
|
Event last processed
|
Wed Oct 15 11:41:04 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
28.733 ± 3.775
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-613.4 ± 1.2 |
-737.6 ± 1.4 |
| Vy GSE [km/s] |
40.1 ± 13.4 |
21.4 ± 4.1 |
| Vz GSE [km/s] |
38.7 ± 5.7 |
26.3 ± 4.2 |
| Wi [km/s] |
44.6 ± 0.9 |
17.5 ± 0.7 |
| We [km/s] |
1410.6 ± 27.1 |
553.5 ± 22.1 |
| Ni [n/cc] |
11.4 ± 0.6 |
4.0 ± 0.9 |
| Bx GSE [nT] |
-0.1 ± 0.3 |
5.5 ± 0.3 |
| By GSE [nT] |
23.9 ± 1.4 |
15.9 ± 0.1 |
| Bz GSE [nT] |
-37.1 ± 0.7 |
-22.4 ± 0.2 |
Plasma Beta
|
0.024 ± 0.025
|
0.003 ± 0.004
|
Sound Speed [km/s]
|
57.59 ± 1.11
|
22.59 ± 0.90
|
Alfven Speed [km/s]
|
285.36 ± 7.48
|
308.55 ± 36.22
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.922 ± 0.046 |
-0.346 ± 0.120 |
0.171 ± 0.170 |
9.87 ± 2.53 |
200.59 ± 7.46 |
| VC |
-0.984 ± 0.016 |
-0.147 ± 0.100 |
-0.096 ± 0.096 |
-5.53 ± 2.87 |
188.48 ± 5.81 |
| MX1 |
-0.930 ± 0.031 |
-0.317 ± 0.089 |
0.187 ± 0.185 |
10.79 ± 1.77 |
198.81 ± 5.46 |
| MX2 |
-0.929 ± 0.032 |
-0.319 ± 0.091 |
0.186 ± 0.184 |
10.71 ± 1.79 |
198.96 ± 5.61 |
| MX3 |
-0.931 ± 0.029 |
-0.313 ± 0.085 |
0.189 ± 0.187 |
10.90 ± 1.75 |
198.57 ± 5.24 |
| RH08 |
-0.280 ± 0.014 |
0.800 ± 0.005 |
0.531 ± 0.474 |
32.05 ± 0.00 |
109.30 ± 1.00 |
| RH09 |
-0.875 ± 0.034 |
-0.260 ± 0.067 |
0.408 ± 0.384 |
24.07 ± 3.98 |
196.55 ± 4.37 |
| RH10 |
-0.898 ± 0.031 |
-0.250 ± 0.068 |
0.363 ± 0.346 |
21.29 ± 4.04 |
195.54 ± 4.30 |
| Average |
-0.844 |
-0.144 |
0.242 |
14.269 |
185.850 |
| Median |
-0.922 |
-0.260 |
0.189 |
10.904 |
198.574 |
| Deviation |
0.230 |
0.386 |
0.190 |
11.397 |
31.153 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
70.8 ± 0.8 |
491.1 ± 3.9 |
0.35 ± 0.09 |
| VC |
89.7 ± 0.7 |
521.0 ± 4.0 |
0.35 ± 0.09 |
| MX1 |
71.0 ± 0.7 |
497.3 ± 3.9 |
0.35 ± 0.09 |
| MX2 |
71.0 ± 0.7 |
496.8 ± 3.9 |
0.35 ± 0.09 |
| MX3 |
71.0 ± 0.7 |
498.1 ± 3.9 |
0.35 ± 0.09 |
| RH08 |
89.3 ± 1.9 |
225.0 ± 3.1 |
0.35 ± 0.09 |
| RH09 |
61.3 ± 0.4 |
480.3 ± 3.4 |
0.35 ± 0.09 |
| RH10 |
64.1 ± 0.4 |
491.2 ± 22.4 |
0.35 ± 0.09 |
| Average |
73.5 |
462.6 |
0.35 |
| Median |
71.0 |
496.8 |
0.35 |
| Deviation |
10.5 |
96.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-67.3 ± 3.9 |
18.6 ± 0.3 |
93.7 ± 2.5 |
290.5 ± 7.4 |
-3.62 ± 0.24 |
-0.23 ± 0.02 |
| VC |
-73.2 ± 2.9 |
0.3 ± 0.0 |
1.3 ± 0.0 |
291.1 ± 7.3 |
-277.48 ± 13.33 |
-0.25 ± 0.01 |
| MX1 |
-67.6 ± 3.4 |
18.4 ± 0.3 |
93.0 ± 2.4 |
290.5 ± 7.4 |
-3.67 ± 0.21 |
-0.23 ± 0.02 |
| MX2 |
-67.6 ± 3.5 |
18.4 ± 0.3 |
93.0 ± 2.4 |
290.5 ± 7.4 |
-3.67 ± 0.22 |
-0.23 ± 0.02 |
| MX3 |
-67.6 ± 3.4 |
18.4 ± 0.3 |
92.8 ± 2.4 |
290.5 ± 7.4 |
-3.68 ± 0.21 |
-0.23 ± 0.02 |
| RH8 |
0.6 ± 13.7 |
0.7 ± 0.0 |
3.5 ± 0.1 |
291.1 ± 7.3 |
0.93 ± 19.43 |
0.00 ± 0.05 |
| RH9 |
-61.9 ± 1.5 |
27.3 ± 0.5 |
137.2 ± 3.6 |
289.8 ± 7.4 |
-2.27 ± 0.08 |
-0.21 ± 0.01 |
| RH10 |
-63.4 ± 1.7 |
24.8 ± 0.5 |
124.8 ± 3.3 |
290.1 ± 7.4 |
-2.56 ± 0.10 |
-0.22 ± 0.01 |
| Average |
-58.5 |
15.9 |
79.9 |
290.5 |
-37.0 |
-0.2 |
| Median |
-67.3 |
18.4 |
93.0 |
290.5 |
-3.6 |
-0.2 |
| Deviation |
24.1 |
10.1 |
50.7 |
0.4 |
97.2 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-186.3 ± 2.0 |
7.4 ± 0.3 |
101.4 ± 11.9 |
309.3 ± 36.1 |
-25.19 ± 1.03 |
-0.61 ± 0.07 |
| VC |
-199.4 ± 1.6 |
0.1 ± 0.0 |
1.4 ± 0.2 |
309.4 ± 36.1 |
******* ± 69.78 |
-0.65 ± 0.08 |
| MX1 |
-186.7 ± 1.9 |
7.3 ± 0.3 |
100.5 ± 11.8 |
309.3 ± 36.1 |
-25.47 ± 1.03 |
-0.61 ± 0.07 |
| MX2 |
-186.7 ± 1.9 |
7.3 ± 0.3 |
100.6 ± 11.8 |
309.3 ± 36.1 |
-25.44 ± 1.03 |
-0.61 ± 0.07 |
| MX3 |
-186.8 ± 1.9 |
7.3 ± 0.3 |
100.4 ± 11.8 |
309.3 ± 36.1 |
-25.51 ± 1.03 |
-0.61 ± 0.07 |
| RH8 |
-12.7 ± 4.7 |
0.3 ± 0.0 |
3.8 ± 0.4 |
309.4 ± 36.1 |
-45.19 ± 16.41 |
-0.04 ± 0.01 |
| RH9 |
-170.4 ± 2.2 |
10.8 ± 0.4 |
148.3 ± 17.4 |
309.2 ± 36.1 |
-15.75 ± 0.67 |
-0.56 ± 0.07 |
| RH10 |
-175.1 ± 2.1 |
9.9 ± 0.4 |
135.0 ± 15.8 |
309.2 ± 36.1 |
-17.78 ± 0.74 |
-0.57 ± 0.07 |
| Average |
-163.0 |
6.3 |
86.4 |
309.3 |
-259.5 |
-0.5 |
| Median |
-186.3 |
7.3 |
100.6 |
309.3 |
-25.4 |
-0.6 |
| Deviation |
61.4 |
4.0 |
54.8 |
0.1 |
661.0 |
0.2 |
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)
| 
