Database: Ace Shock Analysis
Event ID: 20003310500
Observation time: 11/26/2000 331.20836 0500 [UT]
|
|
General
Information (About, Top)
| Year |
2000 |
| Fractional day of year |
331.208356 |
| Arrival time of shock [seconds of day] |
18002.0 ± 32.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
0.035 |
| Y GSE location of spacecraft [Re] |
0.006 |
| Z GSE location of spacecraft [Re] |
-0.003 |
| Upstream plasma points selected for analysis |
0010 |
| Upstream field points selected for analysis |
0041 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0034 |
| Minimum chisq/dof for RH8,RH9,RH10 |
13.52, 21.33, 22.47 |
Event added to database
|
Sat Apr 30 21:48:25 2005
|
Event last processed
|
Tue May 3 13:41:42 2005
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
0.008 ± 0.000
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-371.5 ± 2.3 |
-423.8 ± 3.3 |
| Vy GSE [km/s] |
-43.4 ± 2.1 |
-58.9 ± 4.2 |
| Vz GSE [km/s] |
-43.3 ± 3.5 |
-26.5 ± 4.7 |
| Wi [km/s] |
29.3 ± 1.0 |
36.5 ± 0.8 |
| We [km/s] |
926.7 ± 31.6 |
1153.3 ± 24.3 |
| Ni [n/cc] |
5.9 ± 0.5 |
10.5 ± 1.1 |
| Bx GSE [nT] |
3.5 ± 0.3 |
2.3 ± 0.9 |
| By GSE [nT] |
-4.7 ± 0.1 |
-8.4 ± 0.6 |
| Bz GSE [nT] |
-2.4 ± 0.2 |
-4.8 ± 1.0 |
Plasma Beta
|
0.267 ± 0.263
|
0.292 ± 0.310
|
Sound Speed [km/s]
|
37.83 ± 1.29
|
47.08 ± 0.99
|
Alfven Speed [km/s]
|
57.15 ± 3.54
|
67.93 ± 4.68
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.954 ± 0.068 |
0.279 ± 0.225 |
0.109 ± 0.108 |
6.25 ± 9.23 |
163.70 ± 13.49 |
| VC |
-0.916 ± 0.036 |
-0.270 ± 0.065 |
0.296 ± 0.287 |
17.21 ± 6.09 |
196.42 ± 4.05 |
| MX1 |
-0.924 ± 0.030 |
0.074 ± 0.169 |
0.375 ± 0.356 |
22.01 ± 4.03 |
175.40 ± 10.49 |
| MX2 |
-0.902 ± 0.032 |
0.014 ± 0.124 |
0.431 ± 0.402 |
25.52 ± 4.27 |
179.11 ± 7.88 |
| MX3 |
-0.873 ± 0.049 |
-0.051 ± 0.101 |
0.485 ± 0.443 |
29.02 ± 5.81 |
183.35 ± 6.63 |
| RH08 |
-0.982 ± 0.003 |
-0.043 ± 0.011 |
0.184 ± 0.182 |
10.62 ± 0.83 |
182.51 ± 0.67 |
| RH09 |
-0.909 ± 0.029 |
0.323 ± 0.067 |
-0.263 ± 0.256 |
-15.22 ± 3.99 |
160.45 ± 4.18 |
| RH10 |
-0.940 ± 0.024 |
0.262 ± 0.069 |
-0.218 ± 0.214 |
-12.58 ± 3.96 |
164.46 ± 4.17 |
| Average |
-0.925 |
0.073 |
0.175 |
10.352 |
175.673 |
| Median |
-0.916 |
0.074 |
0.296 |
17.208 |
179.110 |
| Deviation |
0.034 |
0.204 |
0.284 |
16.727 |
12.240 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
39.0 ± 2.6 |
444.3 ± 22.5 |
1.83 ± 0.15 |
| VC |
65.3 ± 2.4 |
467.2 ± 27.5 |
1.83 ± 0.15 |
| MX1 |
45.0 ± 2.4 |
444.7 ± 28.0 |
1.83 ± 0.15 |
| MX2 |
47.8 ± 2.4 |
437.5 ± 28.9 |
1.83 ± 0.15 |
| MX3 |
51.2 ± 2.3 |
428.4 ± 29.6 |
1.83 ± 0.15 |
| RH08 |
54.4 ± 2.5 |
483.1 ± 25.7 |
1.83 ± 0.15 |
| RH09 |
49.7 ± 2.6 |
422.4 ± 14.3 |
1.83 ± 0.15 |
| RH10 |
50.5 ± 2.6 |
441.5 ± 15.9 |
1.83 ± 0.15 |
| Average |
50.4 |
446.1 |
1.83 |
| Median |
50.5 |
444.3 |
1.83 |
| Deviation |
7.6 |
20.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
106.7 ± 2.2 |
26.6 ± 0.6 |
44.4 ± 2.7 |
63.2 ± 2.7 |
4.02 ± 0.13 |
1.69 ± 0.08 |
| VC |
127.9 ± 2.2 |
13.4 ± 0.3 |
23.9 ± 1.5 |
67.3 ± 2.6 |
9.54 ± 0.25 |
1.90 ± 0.09 |
| MX1 |
120.9 ± 2.3 |
23.8 ± 0.5 |
40.4 ± 2.5 |
64.3 ± 2.7 |
5.09 ± 0.16 |
1.88 ± 0.09 |
| MX2 |
121.6 ± 2.3 |
22.4 ± 0.5 |
38.4 ± 2.4 |
64.8 ± 2.7 |
5.44 ± 0.17 |
1.88 ± 0.10 |
| MX3 |
122.9 ± 2.3 |
20.7 ± 0.5 |
35.8 ± 2.2 |
65.4 ± 2.6 |
5.94 ± 0.19 |
1.88 ± 0.10 |
| RH8 |
124.5 ± 2.2 |
19.1 ± 0.4 |
33.2 ± 2.1 |
65.9 ± 2.6 |
6.53 ± 0.18 |
1.89 ± 0.08 |
| RH9 |
87.2 ± 2.5 |
21.5 ± 0.5 |
37.0 ± 2.3 |
65.1 ± 2.7 |
4.07 ± 0.13 |
1.34 ± 0.05 |
| RH10 |
94.1 ± 2.5 |
21.0 ± 0.5 |
36.3 ± 2.2 |
65.3 ± 2.7 |
4.48 ± 0.13 |
1.44 ± 0.05 |
| Average |
113.2 |
21.0 |
36.2 |
65.2 |
5.6 |
1.7 |
| Median |
121.6 |
21.5 |
37.0 |
65.3 |
5.4 |
1.9 |
| Deviation |
15.3 |
3.8 |
6.0 |
1.2 |
1.8 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
59.3 ± 2.3 |
32.7 ± 0.7 |
52.8 ± 3.6 |
75.9 ± 4.0 |
1.81 ± 0.07 |
0.78 ± 0.04 |
| VC |
70.9 ± 3.0 |
16.5 ± 0.4 |
28.4 ± 2.0 |
81.0 ± 3.9 |
4.30 ± 0.21 |
0.88 ± 0.04 |
| MX1 |
67.4 ± 2.1 |
29.2 ± 0.7 |
48.1 ± 3.3 |
77.3 ± 3.9 |
2.31 ± 0.09 |
0.87 ± 0.04 |
| MX2 |
67.4 ± 2.1 |
27.5 ± 0.7 |
45.6 ± 3.1 |
78.0 ± 3.9 |
2.45 ± 0.10 |
0.87 ± 0.04 |
| MX3 |
68.3 ± 2.2 |
25.5 ± 0.6 |
42.6 ± 2.9 |
78.7 ± 3.9 |
2.68 ± 0.12 |
0.87 ± 0.05 |
| RH8 |
69.4 ± 2.8 |
23.4 ± 0.6 |
39.5 ± 2.7 |
79.3 ± 3.9 |
2.96 ± 0.13 |
0.88 ± 0.04 |
| RH9 |
49.1 ± 3.4 |
26.4 ± 0.6 |
44.0 ± 3.0 |
78.4 ± 3.9 |
1.86 ± 0.11 |
0.63 ± 0.03 |
| RH10 |
52.6 ± 3.4 |
25.9 ± 0.6 |
43.2 ± 3.0 |
78.5 ± 3.9 |
2.04 ± 0.11 |
0.67 ± 0.03 |
| Average |
63.1 |
25.9 |
43.0 |
78.4 |
2.6 |
0.8 |
| Median |
67.4 |
26.4 |
44.0 |
78.5 |
2.4 |
0.9 |
| Deviation |
8.3 |
4.7 |
7.1 |
1.5 |
0.8 |
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)
| 
