Database: Ace Shock Analysis
Event ID: 20001600841
Observation time: 06/08/2000 160.36194 0841 [UT]
|
|
General
Information (About, Top)
| Year |
2000 |
| Fractional day of year |
160.361944 |
| Arrival time of shock [seconds of day] |
31272.0 ± 16.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
0.037 |
| Y GSE location of spacecraft [Re] |
0.006 |
| Z GSE location of spacecraft [Re] |
-0.002 |
| Upstream plasma points selected for analysis |
0008 |
| Upstream field points selected for analysis |
0037 |
| Downstream plasma points selected for analysis |
0006
|
| Downstream field points selected for analysis |
0026 |
| Minimum chisq/dof for RH8,RH9,RH10 |
2.90, 20.13, 20.96 |
Event added to database
|
Sat Apr 30 21:46:27 2005
|
Event last processed
|
Wed Oct 15 16:10:05 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
0.004 ± 0.000
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-508.7 ± 6.9 |
-753.9 ± 14.1 |
| Vy GSE [km/s] |
0.6 ± 9.9 |
-5.0 ± 28.2 |
| Vz GSE [km/s] |
-39.1 ± 8.2 |
-110.6 ± 13.3 |
| Wi [km/s] |
51.6 ± 2.7 |
111.6 ± 9.5 |
| We [km/s] |
1630.6 ± 86.9 |
3530.3 ± 300.1 |
| Ni [n/cc] |
3.8 ± 0.4 |
12.4 ± 1.4 |
| Bx GSE [nT] |
-4.6 ± 0.5 |
-5.0 ± 2.0 |
| By GSE [nT] |
2.8 ± 0.6 |
11.1 ± 5.1 |
| Bz GSE [nT] |
3.9 ± 0.4 |
13.5 ± 2.6 |
Plasma Beta
|
0.478 ± 0.485
|
1.120 ± 1.562
|
Sound Speed [km/s]
|
66.26 ± 3.44
|
144.40 ± 12.25
|
Alfven Speed [km/s]
|
74.53 ± 2.36
|
112.93 ± 26.67
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.994 ± 0.024 |
-0.019 ± 0.285 |
0.107 ± 0.106 |
6.12 ± 12.66 |
181.07 ± 16.41 |
| VC |
-0.961 ± 0.018 |
-0.028 ± 0.109 |
-0.274 ± 0.267 |
-15.89 ± 3.65 |
181.67 ± 6.52 |
| MX1 |
-0.991 ± 0.015 |
0.082 ± 0.112 |
-0.106 ± 0.105 |
-6.06 ± 6.33 |
175.28 ± 6.45 |
| MX2 |
-0.989 ± 0.016 |
0.083 ± 0.093 |
-0.121 ± 0.121 |
-6.98 ± 6.85 |
175.20 ± 5.37 |
| MX3 |
-0.988 ± 0.018 |
0.082 ± 0.090 |
-0.127 ± 0.127 |
-7.32 ± 7.24 |
175.26 ± 5.19 |
| RH08 |
-0.982 ± 0.003 |
0.043 ± 0.014 |
-0.184 ± 0.182 |
-10.62 ± 0.86 |
177.49 ± 0.82 |
| RH09 |
-0.983 ± 0.013 |
0.183 ± 0.068 |
0.006 ± 0.006 |
0.32 ± 4.05 |
169.47 ± 3.94 |
| RH10 |
-0.983 ± 0.013 |
0.183 ± 0.067 |
0.028 ± 0.028 |
1.60 ± 4.06 |
169.47 ± 3.91 |
| Average |
-0.984 |
0.076 |
-0.084 |
-4.853 |
175.615 |
| Median |
-0.983 |
0.082 |
-0.106 |
-6.060 |
175.280 |
| Deviation |
0.010 |
0.079 |
0.123 |
7.131 |
4.565 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
42.4 ± 3.0 |
841.7 ± 3.9 |
3.15 ± 0.51 |
| VC |
60.2 ± 2.9 |
866.3 ± 3.9 |
3.15 ± 0.51 |
| MX1 |
48.6 ± 2.9 |
868.7 ± 4.0 |
3.15 ± 0.51 |
| MX2 |
49.4 ± 2.9 |
869.3 ± 4.0 |
3.15 ± 0.51 |
| MX3 |
49.7 ± 3.0 |
869.6 ± 4.0 |
3.15 ± 0.51 |
| RH08 |
53.6 ± 2.9 |
873.7 ± 3.9 |
3.15 ± 0.51 |
| RH09 |
40.3 ± 3.1 |
843.8 ± 4.1 |
3.15 ± 0.51 |
| RH10 |
39.2 ± 3.0 |
841.1 ± 27.9 |
3.15 ± 0.51 |
| Average |
47.9 |
859.3 |
3.15 |
| Median |
49.4 |
868.7 |
3.15 |
| Deviation |
7.1 |
14.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
340.7 ± 6.8 |
39.8 ± 1.0 |
55.1 ± 1.7 |
91.5 ± 1.9 |
8.56 ± 0.33 |
3.73 ± 0.13 |
| VC |
367.5 ± 7.1 |
25.4 ± 0.6 |
37.1 ± 1.2 |
96.5 ± 2.0 |
14.47 ± 0.55 |
3.81 ± 0.14 |
| MX1 |
361.2 ± 6.5 |
34.9 ± 0.8 |
49.3 ± 1.6 |
93.5 ± 1.9 |
10.36 ± 0.39 |
3.87 ± 0.13 |
| MX2 |
362.2 ± 6.5 |
34.3 ± 0.8 |
48.5 ± 1.5 |
93.7 ± 1.9 |
10.57 ± 0.40 |
3.87 ± 0.14 |
| MX3 |
362.6 ± 6.6 |
34.0 ± 0.8 |
48.2 ± 1.5 |
93.8 ± 1.9 |
10.66 ± 0.40 |
3.87 ± 0.14 |
| RH8 |
367.9 ± 6.8 |
30.8 ± 0.7 |
44.2 ± 1.4 |
94.9 ± 1.9 |
11.94 ± 0.45 |
3.88 ± 0.14 |
| RH9 |
344.5 ± 5.9 |
41.5 ± 1.0 |
56.9 ± 1.8 |
90.8 ± 1.8 |
8.32 ± 0.32 |
3.80 ± 0.13 |
| RH10 |
342.9 ± 5.9 |
42.3 ± 1.0 |
57.8 ± 1.8 |
90.4 ± 1.8 |
8.11 ± 0.31 |
3.80 ± 0.13 |
| Average |
356.2 |
35.4 |
49.6 |
93.1 |
10.4 |
3.8 |
| Median |
362.2 |
34.9 |
49.3 |
93.7 |
10.6 |
3.9 |
| Deviation |
11.5 |
5.7 |
7.0 |
2.1 |
2.1 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
103.8 ± 14.7 |
70.0 ± 11.9 |
83.5 ± 19.7 |
170.4 ± 17.9 |
1.51 ± 0.32 |
0.62 ± 0.11 |
| VC |
111.8 ± 10.8 |
44.9 ± 7.3 |
56.2 ± 13.3 |
178.7 ± 19.7 |
2.53 ± 0.42 |
0.63 ± 0.09 |
| MX1 |
110.8 ± 14.7 |
61.4 ± 10.3 |
74.7 ± 17.6 |
173.7 ± 18.6 |
1.83 ± 0.31 |
0.64 ± 0.10 |
| MX2 |
111.1 ± 14.6 |
60.4 ± 10.1 |
73.6 ± 17.4 |
174.1 ± 18.7 |
1.87 ± 0.31 |
0.64 ± 0.10 |
| MX3 |
111.3 ± 14.5 |
60.0 ± 10.0 |
73.1 ± 17.3 |
174.2 ± 18.8 |
1.88 ± 0.31 |
0.64 ± 0.10 |
| RH8 |
113.9 ± 13.2 |
54.4 ± 9.0 |
67.0 ± 15.8 |
176.0 ± 19.2 |
2.13 ± 0.35 |
0.65 ± 0.09 |
| RH9 |
104.6 ± 17.5 |
72.8 ± 12.5 |
86.1 ± 20.3 |
169.2 ± 17.6 |
1.45 ± 0.26 |
0.62 ± 0.11 |
| RH10 |
104.6 ± 17.7 |
74.3 ± 12.8 |
87.5 ± 20.7 |
168.6 ± 17.5 |
1.43 ± 0.25 |
0.62 ± 0.11 |
| Average |
109.0 |
62.3 |
75.2 |
173.1 |
1.8 |
0.6 |
| Median |
111.1 |
61.4 |
74.7 |
174.1 |
1.9 |
0.6 |
| Deviation |
4.0 |
9.9 |
10.5 |
3.5 |
0.4 |
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)
| 
