Database: Ace Shock Analysis
Event ID: 20100950754
Observation time: 04/05/2010 95.32985 0754 [UT]
|
|
General
Information (About, Top)
| Year |
2010 |
| Fractional day of year |
95.329850 |
| Arrival time of shock [seconds of day] |
28499.1 ± 10.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
238.935 |
| Y GSE location of spacecraft [Re] |
-35.429 |
| Z GSE location of spacecraft [Re] |
-23.601 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0325 |
| Downstream plasma points selected for analysis |
0004
|
| Downstream field points selected for analysis |
0228 |
| Minimum chisq/dof for RH8,RH9,RH10 |
6.15, 9.56, 10.56 |
Event added to database
|
Tue Oct 14 15:30:21 2014
|
Event last processed
|
Tue Oct 14 16:37:29 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
31.982 ± 0.344
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-574.1 ± 4.0 |
-712.9 ± 23.7 |
| Vy GSE [km/s] |
5.7 ± 12.9 |
-13.0 ± 19.8 |
| Vz GSE [km/s] |
3.2 ± 12.2 |
-38.6 ± 10.1 |
| Wi [km/s] |
62.6 ± 1.7 |
97.2 ± 8.4 |
| We [km/s] |
1979.9 ± 53.8 |
3074.8 ± 264.4 |
| Ni [n/cc] |
3.0 ± 0.3 |
8.3 ± 1.0 |
| Bx GSE [nT] |
5.7 ± 0.1 |
4.6 ± 1.8 |
| By GSE [nT] |
-1.5 ± 0.8 |
-0.6 ± 2.4 |
| Bz GSE [nT] |
-2.4 ± 0.4 |
-10.9 ± 1.7 |
Plasma Beta
|
0.607 ± 0.623
|
1.148 ± 1.243
|
Sound Speed [km/s]
|
80.83 ± 2.19
|
125.53 ± 10.80
|
Alfven Speed [km/s]
|
80.50 ± 4.01
|
92.02 ± 7.17
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.944 ± 0.044 |
0.289 ± 0.133 |
0.159 ± 0.157 |
9.14 ± 6.54 |
162.99 ± 8.09 |
| VC |
-0.949 ± 0.037 |
-0.118 ± 0.126 |
-0.292 ± 0.284 |
-17.00 ± 6.70 |
187.10 ± 7.59 |
| MX1 |
-0.986 ± 0.027 |
0.114 ± 0.165 |
0.118 ± 0.118 |
6.79 ± 9.30 |
173.40 ± 9.56 |
| MX2 |
-0.992 ± 0.019 |
-0.083 ± 0.087 |
0.092 ± 0.092 |
5.27 ± 10.85 |
184.78 ± 5.00 |
| MX3 |
-0.983 ± 0.019 |
-0.169 ± 0.067 |
0.078 ± 0.078 |
4.49 ± 11.52 |
189.75 ± 3.93 |
| RH08 |
-0.999 ± 0.001 |
-0.009 ± 0.037 |
0.039 ± 0.039 |
2.24 ± 1.43 |
180.50 ± 2.15 |
| RH09 |
-0.993 ± 0.008 |
0.096 ± 0.068 |
0.061 ± 0.061 |
3.52 ± 4.03 |
174.48 ± 3.95 |
| RH10 |
-0.993 ± 0.008 |
0.096 ± 0.068 |
0.061 ± 0.061 |
3.52 ± 4.03 |
174.48 ± 3.95 |
| Average |
-0.980 |
0.027 |
0.040 |
2.248 |
178.436 |
| Median |
-0.986 |
0.096 |
0.078 |
4.494 |
180.501 |
| Deviation |
0.021 |
0.150 |
0.139 |
8.072 |
8.804 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
14.6 ± 4.0 |
738.7 ± 5.2 |
2.84 ± 0.49 |
| VC |
45.2 ± 2.1 |
777.4 ± 4.8 |
2.84 ± 0.49 |
| MX1 |
18.8 ± 1.8 |
778.4 ± 5.6 |
2.84 ± 0.49 |
| MX2 |
26.3 ± 3.9 |
784.7 ± 6.1 |
2.84 ± 0.49 |
| MX3 |
30.4 ± 4.5 |
777.8 ± 6.2 |
2.84 ± 0.49 |
| RH08 |
25.9 ± 2.7 |
793.8 ± 5.7 |
2.84 ± 0.49 |
| RH09 |
21.9 ± 1.8 |
787.9 ± 5.5 |
2.84 ± 0.49 |
| RH10 |
21.9 ± 1.8 |
787.9 ± 23.9 |
2.84 ± 0.49 |
| Average |
25.6 |
778.3 |
2.84 |
| Median |
25.9 |
784.7 |
2.84 |
| Deviation |
9.3 |
17.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
194.5 ± 3.8 |
69.7 ± 2.5 |
77.9 ± 3.9 |
90.3 ± 3.2 |
2.79 ± 0.08 |
2.15 ± 0.06 |
| VC |
234.3 ± 6.0 |
43.4 ± 1.5 |
56.7 ± 2.8 |
105.5 ± 3.7 |
5.40 ± 0.12 |
2.22 ± 0.05 |
| MX1 |
211.1 ± 3.3 |
66.4 ± 2.3 |
76.2 ± 3.8 |
92.8 ± 3.2 |
3.18 ± 0.07 |
2.28 ± 0.05 |
| MX2 |
215.3 ± 3.8 |
60.2 ± 2.1 |
72.2 ± 3.6 |
96.9 ± 3.4 |
3.58 ± 0.07 |
2.22 ± 0.04 |
| MX3 |
214.5 ± 4.3 |
56.7 ± 2.0 |
69.5 ± 3.5 |
99.0 ± 3.5 |
3.79 ± 0.07 |
2.17 ± 0.04 |
| RH8 |
220.1 ± 3.8 |
60.5 ± 2.1 |
72.4 ± 3.6 |
96.7 ± 3.4 |
3.64 ± 0.07 |
2.28 ± 0.04 |
| RH9 |
216.8 ± 3.7 |
63.8 ± 2.2 |
74.7 ± 3.7 |
94.6 ± 3.3 |
3.40 ± 0.08 |
2.29 ± 0.05 |
| RH10 |
216.8 ± 3.7 |
63.8 ± 2.2 |
74.7 ± 3.7 |
94.6 ± 3.3 |
3.40 ± 0.08 |
2.29 ± 0.05 |
| Average |
215.4 |
60.5 |
71.8 |
96.3 |
3.6 |
2.2 |
| Median |
216.8 |
63.8 |
74.7 |
96.7 |
3.6 |
2.3 |
| Deviation |
10.9 |
8.0 |
6.6 |
4.6 |
0.8 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
75.5 ± 20.5 |
85.9 ± 5.4 |
89.1 ± 6.9 |
130.0 ± 9.3 |
0.88 ± 0.26 |
0.58 ± 0.17 |
| VC |
88.1 ± 21.8 |
55.7 ± 2.6 |
64.8 ± 5.0 |
145.6 ± 7.8 |
1.59 ± 0.41 |
0.61 ± 0.16 |
| MX1 |
81.2 ± 23.0 |
82.7 ± 4.9 |
87.1 ± 6.8 |
132.1 ± 8.9 |
0.99 ± 0.30 |
0.62 ± 0.18 |
| MX2 |
79.8 ± 25.3 |
75.9 ± 4.1 |
82.5 ± 6.4 |
136.1 ± 8.4 |
1.06 ± 0.35 |
0.59 ± 0.19 |
| MX3 |
78.1 ± 26.1 |
71.9 ± 3.7 |
79.4 ± 6.2 |
138.3 ± 8.2 |
1.09 ± 0.38 |
0.57 ± 0.19 |
| RH8 |
82.8 ± 24.1 |
76.3 ± 4.1 |
82.8 ± 6.4 |
135.9 ± 8.4 |
1.09 ± 0.34 |
0.61 ± 0.19 |
| RH9 |
83.2 ± 22.9 |
79.9 ± 4.5 |
85.4 ± 6.6 |
133.8 ± 8.6 |
1.05 ± 0.31 |
0.62 ± 0.18 |
| RH10 |
83.2 ± 22.9 |
79.9 ± 4.5 |
85.4 ± 6.6 |
133.8 ± 8.6 |
1.05 ± 0.31 |
0.62 ± 0.18 |
| Average |
81.5 |
76.0 |
82.1 |
135.7 |
1.1 |
0.6 |
| Median |
82.8 |
79.9 |
85.4 |
135.9 |
1.1 |
0.6 |
| Deviation |
3.8 |
9.3 |
7.6 |
4.8 |
0.2 |
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)
| 
