Database: Ace Shock Analysis
Event ID: 20001931122
Observation time: 07/11/2000 193.47413 1122 [UT]
|
|
General
Information (About, Top)
| Year |
2000 |
| Fractional day of year |
193.474132 |
| Arrival time of shock [seconds of day] |
40965.0 ± 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 |
0010 |
| Upstream field points selected for analysis |
0041 |
| Downstream plasma points selected for analysis |
0012
|
| Downstream field points selected for analysis |
0050 |
| Minimum chisq/dof for RH8,RH9,RH10 |
4.32, 8.65, 8.78 |
Event added to database
|
Sat Apr 30 21:46:43 2005
|
Event last processed
|
Wed Oct 15 16:25:05 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
0.008 ± 0.000
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-412.4 ± 4.1 |
-465.7 ± 6.9 |
| Vy GSE [km/s] |
19.7 ± 1.0 |
18.8 ± 3.2 |
| Vz GSE [km/s] |
-12.5 ± 5.6 |
-11.5 ± 10.4 |
| Wi [km/s] |
18.9 ± 2.0 |
32.3 ± 1.8 |
| We [km/s] |
598.8 ± 64.4 |
1021.9 ± 58.4 |
| Ni [n/cc] |
19.8 ± 2.3 |
38.3 ± 5.0 |
| Bx GSE [nT] |
-2.4 ± 0.5 |
-0.7 ± 1.3 |
| By GSE [nT] |
10.3 ± 0.4 |
20.7 ± 0.8 |
| Bz GSE [nT] |
2.3 ± 0.9 |
3.2 ± 1.6 |
Plasma Beta
|
0.132 ± 0.132
|
0.194 ± 0.190
|
Sound Speed [km/s]
|
24.47 ± 2.65
|
41.71 ± 2.42
|
Alfven Speed [km/s]
|
53.35 ± 3.63
|
73.82 ± 6.94
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.928 ± 0.152 |
0.186 ± 0.125 |
0.322 ± 0.311 |
18.79 ± 27.25 |
168.67 ± 7.49 |
| VC |
-1.000 ± 0.005 |
-0.019 ± 0.060 |
0.024 ± 0.024 |
1.37 ± 12.20 |
181.12 ± 3.42 |
| MX1 |
-0.986 ± 0.022 |
0.155 ± 0.115 |
0.059 ± 0.059 |
3.36 ± 12.38 |
171.09 ± 6.70 |
| MX2 |
-0.987 ± 0.021 |
0.154 ± 0.115 |
0.051 ± 0.051 |
2.95 ± 11.90 |
171.14 ± 6.67 |
| MX3 |
-0.987 ± 0.020 |
0.153 ± 0.114 |
0.044 ± 0.044 |
2.54 ± 11.43 |
171.19 ± 6.64 |
| RH08 |
-0.990 ± 0.001 |
0.113 ± 0.009 |
0.084 ± 0.084 |
4.81 ± 0.67 |
173.48 ± 0.52 |
| RH09 |
-0.979 ± 0.015 |
0.112 ± 0.070 |
0.173 ± 0.171 |
9.97 ± 4.03 |
173.48 ± 4.10 |
| RH10 |
-0.979 ± 0.015 |
0.112 ± 0.070 |
0.173 ± 0.171 |
9.97 ± 4.03 |
173.48 ± 4.10 |
| Average |
-0.979 |
0.121 |
0.116 |
6.721 |
172.956 |
| Median |
-0.986 |
0.153 |
0.084 |
4.807 |
173.482 |
| Deviation |
0.022 |
0.063 |
0.101 |
5.881 |
3.698 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
64.0 ± 3.8 |
486.5 ± 2.3 |
1.99 ± 0.40 |
| VC |
78.7 ± 2.8 |
523.0 ± 2.9 |
1.99 ± 0.40 |
| MX1 |
68.5 ± 2.8 |
517.5 ± 2.8 |
1.99 ± 0.40 |
| MX2 |
68.7 ± 2.7 |
517.9 ± 2.8 |
1.99 ± 0.40 |
| MX3 |
68.8 ± 2.7 |
518.3 ± 2.8 |
1.99 ± 0.40 |
| RH08 |
70.6 ± 2.9 |
518.3 ± 2.8 |
1.99 ± 0.40 |
| RH09 |
69.7 ± 3.3 |
512.1 ± 2.6 |
1.99 ± 0.40 |
| RH10 |
69.7 ± 3.3 |
512.1 ± 28.7 |
1.99 ± 0.40 |
| Average |
69.8 |
513.2 |
1.99 |
| Median |
69.7 |
517.9 |
1.99 |
| Deviation |
4.1 |
11.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
104.2 ± 5.3 |
9.8 ± 0.8 |
23.4 ± 1.6 |
58.0 ± 2.7 |
10.64 ± 1.01 |
1.80 ± 0.12 |
| VC |
111.4 ± 4.2 |
4.3 ± 0.3 |
10.5 ± 0.7 |
58.6 ± 2.7 |
25.76 ± 2.19 |
1.90 ± 0.11 |
| MX1 |
108.5 ± 4.3 |
8.2 ± 0.7 |
19.5 ± 1.3 |
58.2 ± 2.7 |
13.33 ± 1.15 |
1.87 ± 0.11 |
| MX2 |
108.6 ± 4.2 |
8.1 ± 0.7 |
19.4 ± 1.3 |
58.2 ± 2.7 |
13.43 ± 1.16 |
1.87 ± 0.11 |
| MX3 |
108.8 ± 4.2 |
8.1 ± 0.7 |
19.3 ± 1.3 |
58.2 ± 2.7 |
13.52 ± 1.16 |
1.87 ± 0.11 |
| RH8 |
108.8 ± 4.4 |
7.4 ± 0.6 |
17.7 ± 1.2 |
58.3 ± 2.7 |
14.75 ± 1.28 |
1.87 ± 0.11 |
| RH9 |
108.5 ± 4.8 |
7.8 ± 0.6 |
18.5 ± 1.3 |
58.3 ± 2.7 |
14.07 ± 1.26 |
1.87 ± 0.12 |
| RH10 |
108.5 ± 4.8 |
7.8 ± 0.6 |
18.5 ± 1.3 |
58.3 ± 2.7 |
14.07 ± 1.26 |
1.87 ± 0.12 |
| Average |
108.4 |
7.7 |
18.4 |
58.3 |
14.9 |
1.9 |
| Median |
108.6 |
8.1 |
19.3 |
58.3 |
14.1 |
1.9 |
| Deviation |
2.0 |
1.5 |
3.6 |
0.2 |
4.5 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
54.6 ± 5.0 |
16.2 ± 1.0 |
32.4 ± 3.0 |
83.3 ± 6.9 |
3.39 ± 0.42 |
0.66 ± 0.10 |
| VC |
58.1 ± 6.8 |
7.1 ± 0.4 |
14.5 ± 1.4 |
84.5 ± 6.9 |
8.21 ± 1.34 |
0.70 ± 0.13 |
| MX1 |
56.1 ± 6.5 |
13.5 ± 0.8 |
27.0 ± 2.5 |
83.8 ± 6.9 |
4.20 ± 0.68 |
0.68 ± 0.13 |
| MX2 |
56.2 ± 6.5 |
13.4 ± 0.8 |
26.9 ± 2.5 |
83.8 ± 6.9 |
4.23 ± 0.69 |
0.68 ± 0.13 |
| MX3 |
56.3 ± 6.6 |
13.3 ± 0.8 |
26.7 ± 2.5 |
83.8 ± 6.9 |
4.27 ± 0.69 |
0.68 ± 0.13 |
| RH8 |
56.2 ± 6.4 |
12.2 ± 0.8 |
24.6 ± 2.3 |
83.9 ± 6.9 |
4.64 ± 0.73 |
0.68 ± 0.12 |
| RH9 |
56.4 ± 5.8 |
12.7 ± 0.8 |
25.6 ± 2.4 |
83.9 ± 6.9 |
4.45 ± 0.65 |
0.68 ± 0.11 |
| RH10 |
56.4 ± 5.8 |
12.7 ± 0.8 |
25.6 ± 2.4 |
83.9 ± 6.9 |
4.45 ± 0.65 |
0.68 ± 0.11 |
| Average |
56.3 |
12.6 |
25.4 |
83.8 |
4.7 |
0.7 |
| Median |
56.3 |
13.3 |
26.7 |
83.9 |
4.5 |
0.7 |
| Deviation |
0.9 |
2.5 |
5.0 |
0.3 |
1.5 |
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)
| 
