Database: Ace Shock Analysis
Event ID: 20003110914
Observation time: 11/06/2000 311.38524 0914 [UT]
|
|
General
Information (About, Top)
| Year |
2000 |
| Fractional day of year |
311.385243 |
| Arrival time of shock [seconds of day] |
33285.0 ± 16.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
0.034 |
| Y GSE location of spacecraft [Re] |
0.002 |
| Z GSE location of spacecraft [Re] |
-0.004 |
| Upstream plasma points selected for analysis |
0012 |
| Upstream field points selected for analysis |
0046 |
| Downstream plasma points selected for analysis |
0010
|
| Downstream field points selected for analysis |
0047 |
| Minimum chisq/dof for RH8,RH9,RH10 |
6.02, 9.81, 10.13 |
Event added to database
|
Sat Apr 30 21:48:14 2005
|
Event last processed
|
Tue May 3 13:39:19 2005
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
0.005 ± 0.000
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-472.6 ± 6.8 |
-597.0 ± 20.4 |
| Vy GSE [km/s] |
-19.7 ± 18.6 |
3.6 ± 22.4 |
| Vz GSE [km/s] |
20.8 ± 15.4 |
20.1 ± 12.3 |
| Wi [km/s] |
36.6 ± 2.9 |
61.2 ± 6.5 |
| We [km/s] |
1156.5 ± 92.7 |
1936.5 ± 204.7 |
| Ni [n/cc] |
2.1 ± 0.1 |
5.1 ± 0.4 |
| Bx GSE [nT] |
-1.8 ± 0.6 |
1.2 ± 2.4 |
| By GSE [nT] |
3.2 ± 0.8 |
7.0 ± 1.8 |
| Bz GSE [nT] |
-3.2 ± 1.3 |
-7.3 ± 1.4 |
Plasma Beta
|
0.230 ± 0.232
|
0.369 ± 0.366
|
Sound Speed [km/s]
|
47.21 ± 3.78
|
79.06 ± 8.36
|
Alfven Speed [km/s]
|
76.84 ± 3.18
|
103.04 ± 8.51
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.821 ± 0.251 |
0.416 ± 0.413 |
-0.392 ± 0.370 |
-23.06 ± 23.57 |
153.10 ± 28.38 |
| VC |
-0.983 ± 0.043 |
0.183 ± 0.232 |
-0.010 ± 0.010 |
-0.55 ± 8.17 |
169.43 ± 13.51 |
| MX1 |
-0.853 ± 0.146 |
0.445 ± 0.240 |
-0.272 ± 0.265 |
-15.76 ± 18.47 |
152.42 ± 15.90 |
| MX2 |
-0.860 ± 0.119 |
0.446 ± 0.198 |
-0.250 ± 0.245 |
-14.47 ± 16.11 |
152.60 ± 12.99 |
| MX3 |
-0.862 ± 0.111 |
0.452 ± 0.187 |
-0.228 ± 0.224 |
-13.20 ± 15.22 |
152.33 ± 12.27 |
| RH08 |
-0.951 ± 0.006 |
0.282 ± 0.018 |
-0.128 ± 0.128 |
-7.38 ± 0.86 |
163.45 ± 1.09 |
| RH09 |
-0.828 ± 0.040 |
0.470 ± 0.062 |
-0.307 ± 0.297 |
-17.89 ± 4.01 |
150.42 ± 4.24 |
| RH10 |
-0.836 ± 0.039 |
0.455 ± 0.063 |
-0.307 ± 0.297 |
-17.89 ± 4.00 |
151.42 ± 4.24 |
| Average |
-0.874 |
0.394 |
-0.237 |
-13.777 |
155.648 |
| Median |
-0.853 |
0.446 |
-0.250 |
-14.471 |
152.604 |
| Deviation |
0.060 |
0.104 |
0.119 |
6.976 |
6.900 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
36.4 ± 8.0 |
560.6 ± 33.4 |
2.40 ± 0.24 |
| VC |
61.4 ± 8.8 |
674.4 ± 38.2 |
2.40 ± 0.24 |
| MX1 |
40.4 ± 8.6 |
586.3 ± 34.5 |
2.40 ± 0.24 |
| MX2 |
41.3 ± 8.7 |
591.2 ± 34.7 |
2.40 ± 0.24 |
| MX3 |
42.0 ± 8.9 |
593.4 ± 34.8 |
2.40 ± 0.24 |
| RH08 |
52.9 ± 8.5 |
650.9 ± 37.3 |
2.40 ± 0.24 |
| RH09 |
37.8 ± 8.5 |
568.9 ± 33.7 |
2.40 ± 0.24 |
| RH10 |
38.4 ± 8.4 |
573.9 ± 33.9 |
2.40 ± 0.24 |
| Average |
43.8 |
599.9 |
2.40 |
| Median |
41.3 |
591.2 |
2.40 |
| Deviation |
8.7 |
40.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
189.2 ± 6.7 |
35.1 ± 2.2 |
61.9 ± 2.6 |
83.2 ± 2.6 |
5.41 ± 0.39 |
2.28 ± 0.12 |
| VC |
213.7 ± 8.7 |
19.7 ± 1.1 |
36.8 ± 1.5 |
88.1 ± 2.6 |
10.90 ± 0.76 |
2.43 ± 0.14 |
| MX1 |
197.5 ± 8.6 |
32.8 ± 2.0 |
58.5 ± 2.4 |
84.1 ± 2.6 |
6.04 ± 0.44 |
2.35 ± 0.14 |
| MX2 |
198.9 ± 8.9 |
32.3 ± 1.9 |
57.7 ± 2.4 |
84.3 ± 2.6 |
6.18 ± 0.45 |
2.36 ± 0.14 |
| MX3 |
199.6 ± 9.3 |
31.9 ± 1.9 |
57.1 ± 2.4 |
84.4 ± 2.6 |
6.28 ± 0.46 |
2.37 ± 0.15 |
| RH8 |
209.9 ± 8.4 |
25.2 ± 1.4 |
46.4 ± 1.9 |
86.7 ± 2.6 |
8.34 ± 0.58 |
2.42 ± 0.14 |
| RH9 |
193.4 ± 8.4 |
34.3 ± 2.1 |
60.7 ± 2.5 |
83.5 ± 2.6 |
5.66 ± 0.41 |
2.32 ± 0.14 |
| RH10 |
194.3 ± 8.2 |
33.9 ± 2.1 |
60.2 ± 2.5 |
83.6 ± 2.6 |
5.74 ± 0.42 |
2.33 ± 0.14 |
| Average |
199.6 |
30.6 |
54.9 |
84.7 |
6.8 |
2.4 |
| Median |
198.9 |
32.8 |
58.5 |
84.3 |
6.2 |
2.4 |
| Deviation |
8.3 |
5.4 |
8.8 |
1.7 |
1.9 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
77.2 ± 16.6 |
55.4 ± 3.2 |
83.0 ± 6.9 |
117.8 ± 6.1 |
1.40 ± 0.32 |
0.66 ± 0.15 |
| VC |
87.1 ± 19.1 |
30.6 ± 1.6 |
49.3 ± 4.1 |
126.6 ± 6.1 |
2.86 ± 0.66 |
0.69 ± 0.16 |
| MX1 |
80.9 ± 17.0 |
51.6 ± 2.9 |
78.5 ± 6.5 |
119.5 ± 6.0 |
1.57 ± 0.35 |
0.68 ± 0.15 |
| MX2 |
81.4 ± 17.1 |
50.7 ± 2.9 |
77.4 ± 6.4 |
119.9 ± 6.0 |
1.61 ± 0.36 |
0.68 ± 0.15 |
| MX3 |
81.6 ± 17.2 |
50.1 ± 2.8 |
76.5 ± 6.3 |
120.2 ± 6.0 |
1.64 ± 0.36 |
0.68 ± 0.15 |
| RH8 |
84.9 ± 18.6 |
39.4 ± 2.1 |
62.2 ± 5.1 |
124.1 ± 6.0 |
2.16 ± 0.50 |
0.69 ± 0.16 |
| RH9 |
79.3 ± 16.6 |
54.1 ± 3.1 |
81.4 ± 6.7 |
118.5 ± 6.1 |
1.47 ± 0.33 |
0.67 ± 0.15 |
| RH10 |
79.6 ± 16.8 |
53.5 ± 3.1 |
80.7 ± 6.7 |
118.7 ± 6.1 |
1.49 ± 0.33 |
0.67 ± 0.15 |
| Average |
81.5 |
48.2 |
73.6 |
120.7 |
1.8 |
0.7 |
| Median |
81.4 |
51.6 |
78.5 |
119.9 |
1.6 |
0.7 |
| Deviation |
3.2 |
8.6 |
11.8 |
3.1 |
0.5 |
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)
| 
