Database: Ace Shock Analysis
Event ID: 20062430613
Observation time: 08/31/2006 243.25932 0613 [UT]
|
|
General
Information (About, Top)
| Year |
2006 |
| Fractional day of year |
243.259318 |
| Arrival time of shock [seconds of day] |
22405.0 ± 60.0 |
| Shock type |
FR |
| Electron data availability |
0 |
| X GSE location of spacecraft [Re] |
228.943 |
| Y GSE location of spacecraft [Re] |
35.357 |
| Z GSE location of spacecraft [Re] |
-3.932 |
| Upstream plasma points selected for analysis |
0013 |
| Upstream field points selected for analysis |
0780 |
| Downstream plasma points selected for analysis |
0011
|
| Downstream field points selected for analysis |
0733 |
| Minimum chisq/dof for RH8,RH9,RH10 |
2.14, 19.37, 19.54 |
Event added to database
|
Tue Oct 14 13:27:03 2014
|
Event last processed
|
Wed Oct 15 12:09:32 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
57.858 ± 4.851
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-410.6 ± 1.5 |
-412.0 ± 1.8 |
| Vy GSE [km/s] |
-11.9 ± 1.0 |
6.3 ± 0.3 |
| Vz GSE [km/s] |
-5.5 ± 3.1 |
10.0 ± 1.9 |
| Wi [km/s] |
19.5 ± 0.7 |
10.8 ± 0.7 |
| We [km/s] |
615.5 ± 22.7 |
341.8 ± 20.6 |
| Ni [n/cc] |
13.1 ± 0.8 |
4.4 ± 0.5 |
| Bx GSE [nT] |
-1.4 ± 0.3 |
-0.4 ± 0.1 |
| By GSE [nT] |
-8.0 ± 0.1 |
-8.6 ± 0.1 |
| Bz GSE [nT] |
-1.9 ± 0.5 |
-4.9 ± 0.1 |
Plasma Beta
|
0.149 ± 0.146
|
0.011 ± 0.011
|
Sound Speed [km/s]
|
25.13 ± 0.93
|
13.95 ± 0.84
|
Alfven Speed [km/s]
|
50.55 ± 1.93
|
103.22 ± 4.90
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.286 ± 0.047 |
-0.952 ± 0.016 |
0.112 ± 0.112 |
6.44 ± 4.03 |
253.29 ± 2.81 |
| VC |
-0.991 ± 0.195 |
-0.131 ± 1.466 |
-0.019 ± 0.019 |
-1.10 ± 40.36 |
187.55 ± 84.74 |
| MX1 |
-0.307 ± 0.097 |
-0.946 ± 0.032 |
0.106 ± 0.105 |
6.06 ± 3.90 |
252.03 ± 5.85 |
| MX2 |
-0.585 ± 0.602 |
-0.810 ± 0.435 |
0.041 ± 0.041 |
2.35 ± 9.56 |
234.14 ± 42.60 |
| MX3 |
-0.400 ± 0.562 |
-0.912 ± 0.246 |
0.087 ± 0.087 |
5.00 ± 7.21 |
246.34 ± 35.27 |
| RH08 |
-0.945 ± 0.003 |
0.108 ± 0.017 |
-0.307 ± 0.297 |
-17.89 ± 0.37 |
173.48 ± 1.05 |
| RH09 |
-0.927 ± 0.026 |
0.156 ± 0.070 |
-0.341 ± 0.327 |
-19.92 ± 4.02 |
170.47 ± 4.29 |
| RH10 |
-0.927 ± 0.026 |
0.156 ± 0.070 |
-0.341 ± 0.327 |
-19.92 ± 4.02 |
170.47 ± 4.29 |
| Average |
-0.671 |
-0.417 |
-0.083 |
-4.873 |
210.973 |
| Median |
-0.585 |
-0.131 |
0.041 |
2.347 |
234.141 |
| Deviation |
0.310 |
0.532 |
0.209 |
12.155 |
38.727 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
21.1 ± 3.9 |
135.9 ± 0.2 |
0.34 ± 0.03 |
| VC |
73.1 ± 2.0 |
409.6 ± 0.2 |
0.34 ± 0.03 |
| MX1 |
21.2 ± 3.8 |
144.5 ± 0.2 |
0.34 ± 0.03 |
| MX2 |
30.6 ± 2.9 |
256.9 ± 0.2 |
0.34 ± 0.03 |
| MX3 |
23.2 ± 3.6 |
182.3 ± 0.2 |
0.34 ± 0.03 |
| RH08 |
83.1 ± 1.4 |
389.3 ± 0.2 |
0.34 ± 0.03 |
| RH09 |
85.4 ± 1.3 |
381.2 ± 0.2 |
0.34 ± 0.03 |
| RH10 |
85.4 ± 1.3 |
381.2 ± 1.9 |
0.34 ± 0.03 |
| Average |
52.9 |
285.1 |
0.34 |
| Median |
73.1 |
381.2 |
0.34 |
| Deviation |
31.2 |
118.5 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
7.8 ± 1.1 |
23.0 ± 0.8 |
47.2 ± 1.8 |
51.6 ± 1.9 |
0.34 ± 0.05 |
0.15 ± 0.02 |
| VC |
1.0 ± 1.5 |
6.6 ± 0.2 |
14.7 ± 0.6 |
56.1 ± 1.9 |
0.15 ± 0.22 |
0.02 ± 0.03 |
| MX1 |
7.9 ± 1.1 |
23.0 ± 0.8 |
47.1 ± 1.8 |
51.6 ± 1.9 |
0.34 ± 0.05 |
0.15 ± 0.02 |
| MX2 |
7.1 ± 1.2 |
20.8 ± 0.7 |
43.5 ± 1.7 |
52.5 ± 1.9 |
0.34 ± 0.06 |
0.14 ± 0.03 |
| MX3 |
7.7 ± 1.2 |
22.6 ± 0.8 |
46.5 ± 1.8 |
51.7 ± 1.9 |
0.34 ± 0.05 |
0.15 ± 0.02 |
| RH8 |
0.7 ± 1.1 |
2.7 ± 0.1 |
6.1 ± 0.2 |
56.4 ± 1.9 |
0.24 ± 0.42 |
0.01 ± 0.02 |
| RH9 |
0.5 ± 1.1 |
1.8 ± 0.1 |
4.1 ± 0.2 |
56.4 ± 1.9 |
0.28 ± 0.62 |
0.01 ± 0.02 |
| RH10 |
0.5 ± 1.1 |
1.8 ± 0.1 |
4.1 ± 0.2 |
56.4 ± 1.9 |
0.28 ± 0.62 |
0.01 ± 0.02 |
| Average |
4.1 |
12.8 |
26.6 |
54.1 |
0.3 |
0.1 |
| Median |
7.1 |
20.8 |
43.5 |
56.1 |
0.3 |
0.1 |
| Deviation |
3.7 |
10.3 |
21.1 |
2.4 |
0.1 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
23.0 ± 0.7 |
13.0 ± 0.8 |
96.3 ± 4.6 |
103.3 ± 4.9 |
1.78 ± 0.13 |
0.22 ± 0.01 |
| VC |
2.2 ± 1.8 |
4.0 ± 0.2 |
30.0 ± 1.4 |
104.1 ± 4.9 |
0.54 ± 0.45 |
0.02 ± 0.02 |
| MX1 |
23.0 ± 0.7 |
13.0 ± 0.8 |
96.2 ± 4.6 |
103.3 ± 4.9 |
1.77 ± 0.12 |
0.22 ± 0.01 |
| MX2 |
20.4 ± 1.0 |
12.0 ± 0.7 |
88.9 ± 4.2 |
103.5 ± 4.9 |
1.71 ± 0.11 |
0.20 ± 0.01 |
| MX3 |
22.4 ± 0.8 |
12.8 ± 0.8 |
94.9 ± 4.5 |
103.4 ± 4.9 |
1.75 ± 0.12 |
0.22 ± 0.01 |
| RH8 |
2.1 ± 1.9 |
1.7 ± 0.1 |
12.5 ± 0.6 |
104.2 ± 4.9 |
1.23 ± 1.16 |
0.02 ± 0.02 |
| RH9 |
1.6 ± 1.9 |
1.1 ± 0.1 |
8.3 ± 0.4 |
104.2 ± 4.9 |
1.42 ± 1.78 |
0.02 ± 0.02 |
| RH10 |
1.6 ± 1.9 |
1.1 ± 0.1 |
8.3 ± 0.4 |
104.2 ± 4.9 |
1.42 ± 1.78 |
0.02 ± 0.02 |
| Average |
12.0 |
7.3 |
54.4 |
103.8 |
1.5 |
0.1 |
| Median |
20.4 |
12.0 |
88.9 |
104.1 |
1.7 |
0.2 |
| Deviation |
10.9 |
5.8 |
43.0 |
0.4 |
0.4 |
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)
| 
