Database: Ace Shock Analysis
Event ID: 20013341728
Observation time: 11/30/2001 334.72782 1728 [UT]
|
|
General
Information (About, Top)
| Year |
2001 |
| Fractional day of year |
334.727824 |
| Arrival time of shock [seconds of day] |
62884.0 ± 26.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
0.036 |
| Y GSE location of spacecraft [Re] |
0.006 |
| Z GSE location of spacecraft [Re] |
-0.001 |
| Upstream plasma points selected for analysis |
0012 |
| Upstream field points selected for analysis |
0051 |
| Downstream plasma points selected for analysis |
0012
|
| Downstream field points selected for analysis |
0049 |
| Minimum chisq/dof for RH8,RH9,RH10 |
7.47, 13.55, 13.67 |
Event added to database
|
Sat Apr 30 21:53:11 2005
|
Event last processed
|
Tue May 3 14:12:13 2005
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
0.010 ± 0.000
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-342.8 ± 1.6 |
-362.1 ± 1.7 |
| Vy GSE [km/s] |
-22.3 ± 2.0 |
-19.1 ± 0.9 |
| Vz GSE [km/s] |
-4.3 ± 3.0 |
-0.7 ± 2.0 |
| Wi [km/s] |
19.0 ± 1.3 |
22.1 ± 1.1 |
| We [km/s] |
601.0 ± 40.2 |
699.0 ± 33.8 |
| Ni [n/cc] |
4.2 ± 0.3 |
7.1 ± 0.3 |
| Bx GSE [nT] |
1.5 ± 0.2 |
2.1 ± 0.3 |
| By GSE [nT] |
-3.1 ± 0.2 |
-4.8 ± 0.2 |
| Bz GSE [nT] |
1.6 ± 0.6 |
1.8 ± 0.1 |
Plasma Beta
|
0.212 ± 0.212
|
0.238 ± 0.242
|
Sound Speed [km/s]
|
24.54 ± 1.64
|
28.54 ± 1.38
|
Alfven Speed [km/s]
|
41.29 ± 1.77
|
45.42 ± 1.29
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.993 ± 0.132 |
-0.020 ± 0.771 |
0.117 ± 0.116 |
6.70 ± 64.52 |
181.13 ± 44.48 |
| VC |
-0.972 ± 0.031 |
0.160 ± 0.105 |
0.170 ± 0.169 |
9.81 ± 8.80 |
170.63 ± 6.20 |
| MX1 |
-0.856 ± 0.106 |
-0.285 ± 0.240 |
0.432 ± 0.403 |
25.61 ± 9.83 |
198.40 ± 15.99 |
| MX2 |
-0.893 ± 0.089 |
-0.281 ± 0.240 |
0.351 ± 0.336 |
20.56 ± 8.10 |
197.43 ± 15.39 |
| MX3 |
-0.941 ± 0.079 |
-0.273 ± 0.243 |
0.199 ± 0.196 |
11.47 ± 10.87 |
196.15 ± 14.77 |
| RH08 |
-0.960 ± 0.003 |
-0.267 ± 0.011 |
0.084 ± 0.084 |
4.81 ± 0.85 |
195.54 ± 0.68 |
| RH09 |
-0.991 ± 0.009 |
-0.096 ± 0.069 |
0.095 ± 0.095 |
5.45 ± 4.02 |
185.52 ± 3.99 |
| RH10 |
-0.992 ± 0.009 |
-0.096 ± 0.069 |
0.084 ± 0.084 |
4.81 ± 4.02 |
185.52 ± 3.99 |
| Average |
-0.950 |
-0.144 |
0.191 |
11.152 |
188.790 |
| Median |
-0.960 |
-0.096 |
0.170 |
9.806 |
195.543 |
| Deviation |
0.051 |
0.162 |
0.132 |
7.859 |
9.832 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
71.6 ± 4.7 |
388.1 ± 7.6 |
1.70 ± 0.13 |
| VC |
64.5 ± 5.8 |
377.6 ± 8.0 |
1.70 ± 0.13 |
| MX1 |
85.1 ± 6.0 |
339.0 ± 6.3 |
1.70 ± 0.13 |
| MX2 |
88.1 ± 5.5 |
353.3 ± 6.4 |
1.70 ± 0.13 |
| MX3 |
86.8 ± 4.5 |
371.4 ± 6.5 |
1.70 ± 0.13 |
| RH08 |
83.3 ± 3.7 |
378.5 ± 6.6 |
1.70 ± 0.13 |
| RH09 |
74.8 ± 4.3 |
388.3 ± 7.3 |
1.70 ± 0.13 |
| RH10 |
74.5 ± 4.2 |
388.5 ± 7.3 |
1.70 ± 0.13 |
| Average |
78.6 |
373.1 |
1.70 |
| Median |
83.3 |
378.5 |
1.70 |
| Deviation |
8.4 |
18.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
47.7 ± 1.9 |
6.7 ± 0.4 |
13.0 ± 0.6 |
47.6 ± 2.1 |
7.13 ± 0.23 |
1.00 ± 0.03 |
| VC |
48.6 ± 2.0 |
9.2 ± 0.5 |
17.8 ± 0.8 |
47.1 ± 2.1 |
5.27 ± 0.17 |
1.03 ± 0.03 |
| MX1 |
41.2 ± 2.5 |
1.8 ± 0.1 |
3.5 ± 0.2 |
48.0 ± 2.1 |
22.73 ± 0.73 |
0.86 ± 0.03 |
| MX2 |
42.3 ± 2.3 |
0.7 ± 0.0 |
1.4 ± 0.1 |
48.0 ± 2.1 |
59.63 ± 1.81 |
0.88 ± 0.03 |
| MX3 |
43.5 ± 2.0 |
1.2 ± 0.1 |
2.3 ± 0.1 |
48.0 ± 2.1 |
36.97 ± 1.13 |
0.91 ± 0.03 |
| RH8 |
43.8 ± 1.8 |
2.5 ± 0.1 |
4.8 ± 0.2 |
48.0 ± 2.1 |
17.86 ± 0.59 |
0.91 ± 0.03 |
| RH9 |
46.9 ± 1.8 |
5.6 ± 0.3 |
10.8 ± 0.5 |
47.7 ± 2.1 |
8.45 ± 0.27 |
0.98 ± 0.03 |
| RH10 |
46.7 ± 1.8 |
5.7 ± 0.3 |
11.0 ± 0.5 |
47.7 ± 2.1 |
8.27 ± 0.27 |
0.98 ± 0.03 |
| Average |
45.1 |
4.2 |
8.1 |
47.8 |
20.8 |
0.9 |
| Median |
46.7 |
5.6 |
10.8 |
48.0 |
17.9 |
1.0 |
| Deviation |
2.7 |
3.1 |
5.9 |
0.3 |
19.0 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
28.2 ± 1.7 |
7.7 ± 0.2 |
14.3 ± 0.4 |
53.1 ± 0.9 |
3.68 ± 0.17 |
0.53 ± 0.03 |
| VC |
28.7 ± 1.7 |
10.6 ± 0.3 |
19.5 ± 0.6 |
52.6 ± 0.9 |
2.71 ± 0.12 |
0.55 ± 0.04 |
| MX1 |
24.1 ± 1.9 |
2.1 ± 0.1 |
3.9 ± 0.1 |
53.6 ± 0.9 |
11.58 ± 0.76 |
0.45 ± 0.04 |
| MX2 |
24.8 ± 1.9 |
0.8 ± 0.0 |
1.5 ± 0.0 |
53.7 ± 0.9 |
30.42 ± 1.86 |
0.46 ± 0.03 |
| MX3 |
25.5 ± 1.7 |
1.3 ± 0.0 |
2.5 ± 0.1 |
53.6 ± 0.9 |
18.90 ± 1.02 |
0.48 ± 0.03 |
| RH8 |
25.9 ± 1.7 |
2.8 ± 0.1 |
5.3 ± 0.1 |
53.6 ± 0.9 |
9.19 ± 0.46 |
0.48 ± 0.03 |
| RH9 |
27.7 ± 1.7 |
6.4 ± 0.2 |
11.9 ± 0.3 |
53.3 ± 0.9 |
4.36 ± 0.21 |
0.52 ± 0.03 |
| RH10 |
27.6 ± 1.7 |
6.5 ± 0.2 |
12.1 ± 0.3 |
53.3 ± 0.9 |
4.26 ± 0.20 |
0.52 ± 0.03 |
| Average |
26.6 |
4.8 |
8.9 |
53.4 |
10.6 |
0.5 |
| Median |
27.6 |
6.4 |
11.9 |
53.6 |
9.2 |
0.5 |
| Deviation |
1.7 |
3.5 |
6.5 |
0.4 |
9.7 |
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)
| 
