Database: Ace Shock Analysis
Event ID: 20001920557
Observation time: 07/10/2000 192.24858 0557 [UT]
|
|
General
Information (About, Top)
| Year |
2000 |
| Fractional day of year |
192.248576 |
| Arrival time of shock [seconds of day] |
21477.0 ± 16.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
0.039 |
| Y GSE location of spacecraft [Re] |
0.004 |
| Z GSE location of spacecraft [Re] |
0.002 |
| Upstream plasma points selected for analysis |
0006 |
| Upstream field points selected for analysis |
0025 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0032 |
| Minimum chisq/dof for RH8,RH9,RH10 |
16.65, 22.90, 24.26 |
Event added to database
|
Sat Apr 30 21:46:39 2005
|
Event last processed
|
Wed Oct 15 16:22:04 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
0.007 ± 0.000
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-403.3 ± 0.7 |
-478.1 ± 6.0 |
| Vy GSE [km/s] |
-3.3 ± 2.7 |
18.7 ± 3.8 |
| Vz GSE [km/s] |
6.5 ± 3.9 |
11.0 ± 4.8 |
| Wi [km/s] |
19.5 ± 1.2 |
33.2 ± 1.9 |
| We [km/s] |
618.2 ± 37.2 |
1048.6 ± 59.4 |
| Ni [n/cc] |
6.8 ± 0.7 |
13.6 ± 1.4 |
| Bx GSE [nT] |
1.0 ± 0.2 |
5.5 ± 0.7 |
| By GSE [nT] |
7.8 ± 0.2 |
14.0 ± 1.1 |
| Bz GSE [nT] |
-5.2 ± 0.4 |
-9.6 ± 0.7 |
Plasma Beta
|
0.062 ± 0.066
|
0.099 ± 0.103
|
Sound Speed [km/s]
|
25.28 ± 1.49
|
42.89 ± 2.44
|
Alfven Speed [km/s]
|
79.05 ± 3.94
|
105.98 ± 5.24
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.848 ± 0.114 |
0.440 ± 0.188 |
-0.296 ± 0.287 |
-17.22 ± 13.42 |
152.57 ± 12.51 |
| VC |
-0.957 ± 0.019 |
0.285 ± 0.062 |
0.056 ± 0.056 |
3.21 ± 4.28 |
163.43 ± 3.73 |
| MX1 |
-0.836 ± 0.059 |
0.532 ± 0.092 |
-0.132 ± 0.131 |
-7.57 ± 4.18 |
147.51 ± 6.28 |
| MX2 |
-0.835 ± 0.055 |
0.536 ± 0.086 |
-0.123 ± 0.122 |
-7.05 ± 4.13 |
147.33 ± 5.87 |
| MX3 |
-0.835 ± 0.052 |
0.539 ± 0.079 |
-0.113 ± 0.113 |
-6.51 ± 4.34 |
147.16 ± 5.43 |
| RH08 |
-0.857 ± 0.006 |
0.486 ± 0.010 |
-0.173 ± 0.171 |
-9.97 ± 0.83 |
150.42 ± 0.69 |
| RH09 |
-0.851 ± 0.035 |
0.483 ± 0.058 |
-0.207 ± 0.204 |
-11.93 ± 3.94 |
150.42 ± 3.90 |
| RH10 |
-0.851 ± 0.036 |
0.483 ± 0.060 |
-0.207 ± 0.204 |
-11.93 ± 3.97 |
150.42 ± 4.01 |
| Average |
-0.859 |
0.473 |
-0.149 |
-8.622 |
151.157 |
| Median |
-0.848 |
0.486 |
-0.132 |
-7.566 |
150.418 |
| Deviation |
0.041 |
0.083 |
0.102 |
5.923 |
5.321 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
63.9 ± 1.1 |
481.0 ± 4.4 |
2.08 ± 0.24 |
| VC |
83.9 ± 1.6 |
542.6 ± 4.7 |
2.08 ± 0.24 |
| MX1 |
64.7 ± 1.7 |
483.9 ± 4.5 |
2.08 ± 0.24 |
| MX2 |
64.9 ± 1.7 |
483.7 ± 4.5 |
2.08 ± 0.24 |
| MX3 |
65.0 ± 1.7 |
483.5 ± 4.5 |
2.08 ± 0.24 |
| RH08 |
65.8 ± 1.5 |
491.8 ± 4.5 |
2.08 ± 0.24 |
| RH09 |
64.8 ± 1.4 |
487.5 ± 4.5 |
2.08 ± 0.24 |
| RH10 |
64.8 ± 1.4 |
487.5 ± 30.9 |
2.08 ± 0.24 |
| Average |
67.2 |
492.7 |
2.08 |
| Median |
64.9 |
487.5 |
2.08 |
| Deviation |
6.8 |
20.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
142.7 ± 1.0 |
10.7 ± 0.6 |
34.7 ± 1.7 |
82.3 ± 3.7 |
13.42 ± 0.76 |
1.74 ± 0.08 |
| VC |
157.4 ± 1.2 |
2.6 ± 0.1 |
8.4 ± 0.4 |
83.0 ± 3.7 |
61.78 ± 3.40 |
1.90 ± 0.08 |
| MX1 |
149.6 ± 1.3 |
10.4 ± 0.6 |
33.7 ± 1.7 |
82.4 ± 3.7 |
14.48 ± 0.82 |
1.82 ± 0.08 |
| MX2 |
149.6 ± 1.3 |
10.3 ± 0.6 |
33.6 ± 1.7 |
82.4 ± 3.7 |
14.56 ± 0.82 |
1.82 ± 0.08 |
| MX3 |
149.6 ± 1.4 |
10.2 ± 0.5 |
33.4 ± 1.7 |
82.4 ± 3.7 |
14.65 ± 0.83 |
1.82 ± 0.08 |
| RH8 |
149.3 ± 1.1 |
9.9 ± 0.5 |
32.3 ± 1.6 |
82.4 ± 3.7 |
15.09 ± 0.85 |
1.81 ± 0.08 |
| RH9 |
147.6 ± 1.1 |
10.3 ± 0.6 |
33.6 ± 1.7 |
82.4 ± 3.7 |
14.33 ± 0.81 |
1.79 ± 0.08 |
| RH10 |
147.6 ± 1.1 |
10.3 ± 0.6 |
33.6 ± 1.7 |
82.4 ± 3.7 |
14.33 ± 0.81 |
1.79 ± 0.08 |
| Average |
149.2 |
9.3 |
30.4 |
82.4 |
20.3 |
1.8 |
| Median |
149.6 |
10.3 |
33.6 |
82.4 |
14.6 |
1.8 |
| Deviation |
4.1 |
2.7 |
8.9 |
0.2 |
16.8 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
70.9 ± 5.0 |
17.7 ± 0.9 |
46.6 ± 2.3 |
113.0 ± 5.1 |
4.02 ± 0.36 |
0.63 ± 0.05 |
| VC |
79.4 ± 5.3 |
4.2 ± 0.2 |
11.2 ± 0.6 |
114.3 ± 5.1 |
18.87 ± 1.67 |
0.70 ± 0.05 |
| MX1 |
75.9 ± 4.6 |
17.2 ± 0.9 |
45.2 ± 2.2 |
113.1 ± 5.1 |
4.44 ± 0.36 |
0.67 ± 0.05 |
| MX2 |
75.9 ± 4.6 |
17.1 ± 0.9 |
45.0 ± 2.2 |
113.1 ± 5.1 |
4.46 ± 0.36 |
0.67 ± 0.05 |
| MX3 |
75.8 ± 4.6 |
17.0 ± 0.9 |
44.7 ± 2.2 |
113.1 ± 5.1 |
4.48 ± 0.36 |
0.67 ± 0.05 |
| RH8 |
75.3 ± 4.8 |
16.4 ± 0.8 |
43.4 ± 2.1 |
113.2 ± 5.1 |
4.60 ± 0.39 |
0.67 ± 0.05 |
| RH9 |
74.2 ± 4.8 |
17.1 ± 0.9 |
45.1 ± 2.2 |
113.1 ± 5.1 |
4.35 ± 0.37 |
0.66 ± 0.05 |
| RH10 |
74.2 ± 4.8 |
17.1 ± 0.9 |
45.1 ± 2.2 |
113.1 ± 5.1 |
4.35 ± 0.37 |
0.66 ± 0.05 |
| Average |
75.2 |
15.5 |
40.8 |
113.2 |
6.2 |
0.7 |
| Median |
75.8 |
17.1 |
45.1 |
113.1 |
4.5 |
0.7 |
| Deviation |
2.4 |
4.6 |
12.0 |
0.4 |
5.1 |
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)
| 
