Database: Ace Shock Analysis
Event ID: 20051910247
Observation time: 07/10/2005 191.11608 0247 [UT]
|
|
General
Information (About, Top)
Year |
2005 |
Fractional day of year |
191.116083 |
Arrival time of shock [seconds of day] |
10029.6 ± 60.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
233.640 |
Y GSE location of spacecraft [Re] |
-39.579 |
Z GSE location of spacecraft [Re] |
22.310 |
Upstream plasma points selected for analysis |
0010 |
Upstream field points selected for analysis |
0619 |
Downstream plasma points selected for analysis |
0011
|
Downstream field points selected for analysis |
0679 |
Minimum chisq/dof for RH8,RH9,RH10 |
4.08, 6.14, 6.27 |
Event added to database
|
Fri Oct 10 16:14:41 2014
|
Event last processed
|
Wed Oct 15 11:38:47 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
49.308 ± 2.280
|
Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-355.6 ± 1.3 |
-416.8 ± 4.6 |
Vy GSE [km/s] |
-7.3 ± 3.6 |
9.3 ± 6.1 |
Vz GSE [km/s] |
15.4 ± 4.1 |
34.0 ± 5.9 |
Wi [km/s] |
27.6 ± 1.1 |
40.8 ± 2.2 |
We [km/s] |
873.0 ± 34.6 |
1288.8 ± 68.8 |
Ni [n/cc] |
9.4 ± 0.4 |
17.4 ± 1.5 |
Bx GSE [nT] |
-0.0 ± 0.3 |
1.0 ± 0.4 |
By GSE [nT] |
9.4 ± 0.2 |
17.9 ± 0.9 |
Bz GSE [nT] |
-4.3 ± 0.5 |
-4.5 ± 4.3 |
Plasma Beta
|
0.140 ± 0.146
|
0.169 ± 0.170
|
Sound Speed [km/s]
|
35.64 ± 1.41
|
52.61 ± 2.81
|
Alfven Speed [km/s]
|
73.83 ± 1.54
|
99.63 ± 4.50
|
Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.984 ± 0.189 |
0.174 ± 1.042 |
-0.046 ± 0.046 |
-2.67 ± 52.43 |
169.97 ± 60.68 |
VC |
-0.928 ± 0.037 |
0.249 ± 0.097 |
0.278 ± 0.271 |
16.17 ± 5.62 |
164.96 ± 5.96 |
MX1 |
-0.935 ± 0.051 |
0.118 ± 0.188 |
0.333 ± 0.320 |
19.46 ± 7.74 |
172.81 ± 11.53 |
MX2 |
-0.947 ± 0.041 |
0.145 ± 0.155 |
0.287 ± 0.279 |
16.69 ± 6.78 |
171.27 ± 9.35 |
MX3 |
-0.953 ± 0.039 |
0.162 ± 0.135 |
0.255 ± 0.250 |
14.79 ± 7.29 |
170.34 ± 8.11 |
RH08 |
-0.982 ± 0.002 |
0.077 ± 0.014 |
0.173 ± 0.171 |
9.97 ± 0.73 |
175.49 ± 0.83 |
RH09 |
-0.996 ± 0.006 |
-0.009 ± 0.069 |
0.084 ± 0.084 |
4.81 ± 4.02 |
180.50 ± 3.99 |
RH10 |
-0.996 ± 0.006 |
-0.009 ± 0.069 |
0.084 ± 0.084 |
4.81 ± 4.02 |
180.50 ± 3.99 |
Average |
-0.965 |
0.114 |
0.181 |
10.503 |
173.231 |
Median |
-0.953 |
0.145 |
0.255 |
14.792 |
172.812 |
Deviation |
0.028 |
0.090 |
0.131 |
7.630 |
5.374 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
79.7 ± 1.8 |
484.1 ± 1.7 |
1.85 ± 0.20 |
VC |
83.6 ± 1.3 |
479.4 ± 2.1 |
1.85 ± 0.20 |
MX1 |
88.3 ± 1.3 |
481.9 ± 2.1 |
1.85 ± 0.20 |
MX2 |
89.2 ± 1.3 |
485.8 ± 2.1 |
1.85 ± 0.20 |
MX3 |
87.5 ± 1.3 |
487.8 ± 2.1 |
1.85 ± 0.20 |
RH08 |
90.0 ± 1.5 |
493.4 ± 1.9 |
1.85 ± 0.20 |
RH09 |
87.7 ± 1.7 |
493.1 ± 1.7 |
1.85 ± 0.20 |
RH10 |
87.7 ± 1.7 |
493.1 ± 18.2 |
1.85 ± 0.20 |
Average |
86.7 |
487.3 |
1.85 |
Median |
87.7 |
487.8 |
1.85 |
Deviation |
3.4 |
5.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
136.4 ± 1.2 |
5.8 ± 0.2 |
13.2 ± 0.3 |
81.8 ± 1.3 |
23.70 ± 0.82 |
1.67 ± 0.03 |
VC |
147.2 ± 1.6 |
3.6 ± 0.1 |
8.3 ± 0.2 |
81.9 ± 1.3 |
40.89 ± 1.33 |
1.80 ± 0.02 |
MX1 |
145.0 ± 1.5 |
1.0 ± 0.0 |
2.2 ± 0.0 |
82.0 ± 1.3 |
152.42 ± 4.89 |
1.77 ± 0.03 |
MX2 |
145.8 ± 1.4 |
0.5 ± 0.0 |
1.1 ± 0.0 |
82.0 ± 1.3 |
319.33 ± 10.29 |
1.78 ± 0.03 |
MX3 |
146.2 ± 1.4 |
1.4 ± 0.0 |
3.2 ± 0.1 |
82.0 ± 1.3 |
106.57 ± 3.45 |
1.78 ± 0.03 |
RH8 |
142.2 ± 1.1 |
0.0 ± 0.0 |
0.0 ± 0.0 |
82.0 ± 1.3 |
******* ± 1387.71 |
1.73 ± 0.03 |
RH9 |
137.4 ± 1.2 |
1.3 ± 0.0 |
3.0 ± 0.1 |
82.0 ± 1.3 |
104.59 ± 3.56 |
1.68 ± 0.03 |
RH10 |
137.4 ± 1.2 |
1.3 ± 0.0 |
3.0 ± 0.1 |
82.0 ± 1.3 |
104.59 ± 3.56 |
1.68 ± 0.03 |
Average |
142.2 |
1.8 |
4.2 |
82.0 |
5381.4 |
1.7 |
Median |
145.0 |
1.3 |
3.0 |
82.0 |
106.6 |
1.8 |
Deviation |
4.5 |
1.9 |
4.4 |
0.1 |
14876.8 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
74.1 ± 4.8 |
8.3 ± 0.3 |
17.8 ± 0.8 |
112.4 ± 3.7 |
8.89 ± 0.54 |
0.66 ± 0.04 |
VC |
81.0 ± 5.1 |
5.2 ± 0.2 |
11.2 ± 0.5 |
112.6 ± 3.7 |
15.54 ± 0.81 |
0.72 ± 0.05 |
MX1 |
79.6 ± 4.8 |
1.4 ± 0.1 |
3.0 ± 0.1 |
112.7 ± 3.7 |
57.72 ± 2.98 |
0.71 ± 0.05 |
MX2 |
80.1 ± 4.8 |
0.7 ± 0.0 |
1.4 ± 0.1 |
112.7 ± 3.7 |
121.07 ± 6.28 |
0.71 ± 0.05 |
MX3 |
80.4 ± 4.9 |
2.0 ± 0.1 |
4.3 ± 0.2 |
112.7 ± 3.7 |
40.44 ± 2.10 |
0.71 ± 0.05 |
RH8 |
77.6 ± 4.6 |
0.0 ± 0.0 |
0.0 ± 0.0 |
112.7 ± 3.7 |
******* ± 868.67 |
0.69 ± 0.05 |
RH9 |
75.0 ± 4.5 |
1.9 ± 0.1 |
4.1 ± 0.2 |
112.7 ± 3.7 |
39.41 ± 2.32 |
0.67 ± 0.04 |
RH10 |
75.0 ± 4.5 |
1.9 ± 0.1 |
4.1 ± 0.2 |
112.7 ± 3.7 |
39.41 ± 2.32 |
0.67 ± 0.04 |
Average |
77.8 |
2.7 |
5.7 |
112.7 |
2026.8 |
0.7 |
Median |
79.6 |
1.9 |
4.1 |
112.7 |
40.4 |
0.7 |
Deviation |
2.8 |
2.8 |
5.9 |
0.1 |
5602.4 |
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)
|