Database: Ace Shock Analysis
Event ID: 20013010241
Observation time: 10/28/2001 301.11231 0241 [UT]
|
|
General
Information (About, Top)
| Year |
2001 |
| Fractional day of year |
301.112315 |
| Arrival time of shock [seconds of day] |
9704.0 ± 32.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
0.035 |
| Y GSE location of spacecraft [Re] |
0.003 |
| Z GSE location of spacecraft [Re] |
-0.004 |
| Upstream plasma points selected for analysis |
0011 |
| Upstream field points selected for analysis |
0046 |
| Downstream plasma points selected for analysis |
0013
|
| Downstream field points selected for analysis |
0051 |
| Minimum chisq/dof for RH8,RH9,RH10 |
4.22, 7.61, 7.83 |
Event added to database
|
Sat Apr 30 21:52:58 2005
|
Event last processed
|
Tue May 3 14:09:44 2005
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
0.006 ± 0.001
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-357.7 ± 6.7 |
-501.7 ± 22.1 |
| Vy GSE [km/s] |
-15.8 ± 7.5 |
4.1 ± 19.8 |
| Vz GSE [km/s] |
-15.0 ± 9.5 |
10.3 ± 18.1 |
| Wi [km/s] |
18.8 ± 2.3 |
60.3 ± 5.9 |
| We [km/s] |
593.0 ± 74.0 |
1905.6 ± 185.1 |
| Ni [n/cc] |
3.2 ± 0.6 |
9.8 ± 1.6 |
| Bx GSE [nT] |
-3.0 ± 0.6 |
-1.4 ± 2.7 |
| By GSE [nT] |
6.4 ± 0.6 |
16.1 ± 2.5 |
| Bz GSE [nT] |
-3.0 ± 0.9 |
-9.5 ± 2.8 |
Plasma Beta
|
0.041 ± 0.040
|
0.212 ± 0.229
|
Sound Speed [km/s]
|
24.21 ± 3.02
|
77.80 ± 7.56
|
Alfven Speed [km/s]
|
97.21 ± 11.97
|
135.00 ± 14.69
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.883 ± 0.173 |
0.456 ± 0.325 |
0.110 ± 0.110 |
6.33 ± 24.32 |
152.70 ± 21.06 |
| VC |
-0.973 ± 0.033 |
0.146 ± 0.148 |
0.177 ± 0.175 |
10.19 ± 8.08 |
171.47 ± 8.72 |
| MX1 |
-0.955 ± 0.044 |
0.274 ± 0.132 |
0.114 ± 0.114 |
6.55 ± 11.80 |
163.97 ± 7.92 |
| MX2 |
-0.952 ± 0.043 |
0.276 ± 0.124 |
0.129 ± 0.129 |
7.43 ± 10.84 |
163.83 ± 7.42 |
| MX3 |
-0.951 ± 0.042 |
0.277 ± 0.120 |
0.137 ± 0.136 |
7.87 ± 10.52 |
163.76 ± 7.23 |
| RH08 |
-0.979 ± 0.002 |
0.200 ± 0.009 |
0.028 ± 0.028 |
1.60 ± 0.67 |
168.47 ± 0.52 |
| RH09 |
-0.976 ± 0.015 |
0.217 ± 0.067 |
0.006 ± 0.006 |
0.32 ± 4.05 |
167.47 ± 3.94 |
| RH10 |
-0.976 ± 0.015 |
0.217 ± 0.067 |
0.006 ± 0.006 |
0.32 ± 4.05 |
167.47 ± 3.94 |
| Average |
-0.956 |
0.258 |
0.088 |
5.076 |
164.889 |
| Median |
-0.955 |
0.274 |
0.114 |
6.547 |
167.465 |
| Deviation |
0.032 |
0.092 |
0.066 |
3.790 |
5.622 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
47.4 ± 5.4 |
511.4 ± 39.0 |
3.26 ± 0.81 |
| VC |
64.7 ± 4.8 |
562.4 ± 44.5 |
3.26 ± 0.81 |
| MX1 |
56.5 ± 4.9 |
551.2 ± 43.0 |
3.26 ± 0.81 |
| MX2 |
56.9 ± 4.9 |
550.2 ± 42.8 |
3.26 ± 0.81 |
| MX3 |
57.1 ± 4.9 |
549.6 ± 42.7 |
3.26 ± 0.81 |
| RH08 |
57.8 ± 4.5 |
565.1 ± 45.2 |
3.26 ± 0.81 |
| RH09 |
56.4 ± 4.5 |
562.6 ± 45.0 |
3.26 ± 0.81 |
| RH10 |
56.4 ± 4.5 |
562.6 ± 45.0 |
3.26 ± 0.81 |
| Average |
56.6 |
551.9 |
3.26 |
| Median |
56.9 |
562.4 |
3.26 |
| Deviation |
4.6 |
17.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
204.3 ± 8.3 |
16.1 ± 1.9 |
65.8 ± 8.1 |
99.0 ± 11.4 |
12.86 ± 1.35 |
2.09 ± 0.27 |
| VC |
219.2 ± 8.0 |
10.1 ± 1.1 |
41.6 ± 5.1 |
99.8 ± 11.1 |
22.00 ± 2.38 |
2.22 ± 0.27 |
| MX1 |
215.7 ± 7.9 |
13.0 ± 1.5 |
53.6 ± 6.6 |
99.4 ± 11.2 |
16.74 ± 1.80 |
2.20 ± 0.27 |
| MX2 |
215.8 ± 8.0 |
12.9 ± 1.5 |
53.1 ± 6.5 |
99.5 ± 11.2 |
16.91 ± 1.81 |
2.20 ± 0.27 |
| MX3 |
215.8 ± 8.0 |
12.8 ± 1.5 |
52.9 ± 6.5 |
99.5 ± 11.2 |
16.99 ± 1.82 |
2.20 ± 0.27 |
| RH8 |
218.3 ± 7.2 |
12.6 ± 1.4 |
51.8 ± 6.4 |
99.5 ± 11.2 |
17.57 ± 1.95 |
2.22 ± 0.26 |
| RH9 |
216.9 ± 7.1 |
13.1 ± 1.5 |
53.9 ± 6.6 |
99.4 ± 11.2 |
16.76 ± 1.86 |
2.21 ± 0.26 |
| RH10 |
216.9 ± 7.1 |
13.1 ± 1.5 |
53.9 ± 6.6 |
99.4 ± 11.2 |
16.76 ± 1.86 |
2.21 ± 0.26 |
| Average |
215.4 |
13.0 |
53.3 |
99.4 |
17.1 |
2.2 |
| Median |
216.9 |
13.0 |
53.6 |
99.5 |
16.9 |
2.2 |
| Deviation |
4.6 |
1.6 |
6.5 |
0.2 |
2.5 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
65.3 ± 15.3 |
47.5 ± 3.3 |
91.3 ± 9.9 |
148.8 ± 11.7 |
1.38 ± 0.32 |
0.44 ± 0.12 |
| VC |
71.6 ± 18.3 |
29.1 ± 1.9 |
57.8 ± 6.3 |
153.5 ± 11.2 |
2.46 ± 0.61 |
0.47 ± 0.14 |
| MX1 |
69.9 ± 17.4 |
38.1 ± 2.6 |
74.5 ± 8.1 |
151.5 ± 11.4 |
1.84 ± 0.45 |
0.47 ± 0.13 |
| MX2 |
69.9 ± 17.3 |
37.7 ± 2.5 |
73.8 ± 8.0 |
151.6 ± 11.4 |
1.86 ± 0.45 |
0.47 ± 0.13 |
| MX3 |
69.9 ± 17.2 |
37.5 ± 2.5 |
73.4 ± 8.0 |
151.7 ± 11.4 |
1.87 ± 0.45 |
0.47 ± 0.13 |
| RH8 |
72.6 ± 19.2 |
36.6 ± 2.5 |
71.9 ± 7.8 |
151.9 ± 11.4 |
1.98 ± 0.51 |
0.48 ± 0.15 |
| RH9 |
71.9 ± 19.2 |
38.2 ± 2.6 |
74.8 ± 8.1 |
151.5 ± 11.4 |
1.88 ± 0.49 |
0.48 ± 0.15 |
| RH10 |
71.9 ± 19.2 |
38.2 ± 2.6 |
74.8 ± 8.1 |
151.5 ± 11.4 |
1.88 ± 0.49 |
0.48 ± 0.15 |
| Average |
70.4 |
37.9 |
74.0 |
151.5 |
1.9 |
0.5 |
| Median |
71.6 |
38.1 |
74.5 |
151.6 |
1.9 |
0.5 |
| Deviation |
2.3 |
5.0 |
9.0 |
1.3 |
0.3 |
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)
| 
