Database: Ace Shock Analysis
Event ID: 20102151655
Observation time: 08/03/2010 215.70490 1655 [UT]
|
|
General
Information (About, Top)
| Year |
2010 |
| Fractional day of year |
215.704899 |
| Arrival time of shock [seconds of day] |
60903.3 ± 20.0 |
| Shock type |
FF |
| Electron data availability |
0 |
| X GSE location of spacecraft [Re] |
243.330 |
| Y GSE location of spacecraft [Re] |
33.930 |
| Z GSE location of spacecraft [Re] |
7.758 |
| Upstream plasma points selected for analysis |
0003 |
| Upstream field points selected for analysis |
0287 |
| Downstream plasma points selected for analysis |
0004
|
| Downstream field points selected for analysis |
0231 |
| Minimum chisq/dof for RH8,RH9,RH10 |
20.74, 89.59, 146.98 |
Event added to database
|
Tue Oct 14 15:34:11 2014
|
Event last processed
|
Tue Oct 14 16:39:32 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
47.385 ± 1.829
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-415.6 ± 1.7 |
-483.3 ± 2.5 |
| Vy GSE [km/s] |
-29.1 ± 0.9 |
-36.2 ± 4.2 |
| Vz GSE [km/s] |
4.9 ± 0.2 |
24.7 ± 1.9 |
| Wi [km/s] |
13.3 ± 1.6 |
25.7 ± 2.5 |
| We [km/s] |
421.7 ± 51.5 |
811.3 ± 78.4 |
| Ni [n/cc] |
4.6 ± 0.5 |
10.9 ± 1.0 |
| Bx GSE [nT] |
-1.1 ± 0.1 |
-1.9 ± 0.6 |
| By GSE [nT] |
-3.2 ± 0.2 |
-7.2 ± 0.5 |
| Bz GSE [nT] |
-1.0 ± 0.1 |
-4.4 ± 0.5 |
Plasma Beta
|
0.142 ± 0.158
|
0.203 ± 0.194
|
Sound Speed [km/s]
|
17.21 ± 2.10
|
33.12 ± 3.20
|
Alfven Speed [km/s]
|
35.84 ± 3.76
|
57.65 ± 3.71
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.502 ± 0.199 |
-0.546 ± 0.185 |
0.671 ± 0.545 |
42.17 ± 6.45 |
227.40 ± 20.16 |
| VC |
-0.955 ± 0.007 |
-0.100 ± 0.053 |
0.279 ± 0.272 |
16.21 ± 0.87 |
185.99 ± 3.15 |
| MX1 |
-0.954 ± 0.017 |
-0.069 ± 0.065 |
0.293 ± 0.284 |
17.01 ± 3.22 |
184.14 ± 3.90 |
| MX2 |
-0.951 ± 0.022 |
-0.078 ± 0.053 |
0.299 ± 0.290 |
17.39 ± 4.22 |
184.70 ± 3.21 |
| MX3 |
-0.950 ± 0.025 |
-0.083 ± 0.049 |
0.302 ± 0.293 |
17.60 ± 4.76 |
185.00 ± 2.98 |
| RH08 |
-0.985 ± 0.005 |
-0.009 ± 0.025 |
0.173 ± 0.171 |
9.97 ± 1.81 |
180.50 ± 1.46 |
| RH09 |
-0.318 ± 0.066 |
-0.544 ± 0.059 |
0.777 ± 0.560 |
50.94 ± 4.02 |
239.67 ± 6.38 |
| RH10 |
-0.925 ± 0.027 |
0.311 ± 0.067 |
-0.218 ± 0.214 |
-12.58 ± 3.96 |
161.45 ± 4.17 |
| Average |
-0.817 |
-0.140 |
0.322 |
19.840 |
193.606 |
| Median |
-0.950 |
-0.078 |
0.299 |
17.395 |
185.004 |
| Deviation |
0.257 |
0.283 |
0.304 |
19.446 |
26.106 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
62.4 ± 2.2 |
317.1 ± 4.0 |
2.46 ± 0.46 |
| VC |
71.2 ± 3.4 |
526.4 ± 4.3 |
2.46 ± 0.46 |
| MX1 |
73.2 ± 3.4 |
524.7 ± 4.3 |
2.46 ± 0.46 |
| MX2 |
72.9 ± 3.4 |
524.0 ± 4.3 |
2.46 ± 0.46 |
| MX3 |
72.7 ± 3.4 |
523.6 ± 4.3 |
2.46 ± 0.46 |
| RH08 |
73.8 ± 3.4 |
533.1 ± 4.1 |
2.46 ± 0.46 |
| RH09 |
68.2 ± 1.6 |
223.0 ± 3.5 |
2.46 ± 0.46 |
| RH10 |
85.2 ± 2.9 |
470.7 ± 9.8 |
2.46 ± 0.46 |
| Average |
72.4 |
455.3 |
2.46 |
| Median |
72.9 |
524.0 |
2.46 |
| Deviation |
6.4 |
118.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
89.4 ± 0.7 |
7.3 ± 0.8 |
16.6 ± 1.7 |
39.1 ± 3.7 |
12.36 ± 1.33 |
2.30 ± 0.24 |
| VC |
125.2 ± 1.6 |
5.0 ± 0.5 |
11.5 ± 1.2 |
39.5 ± 3.7 |
25.15 ± 2.79 |
3.19 ± 0.32 |
| MX1 |
124.8 ± 1.6 |
4.5 ± 0.5 |
10.4 ± 1.1 |
39.5 ± 3.7 |
27.93 ± 3.09 |
3.18 ± 0.32 |
| MX2 |
125.0 ± 1.6 |
4.6 ± 0.5 |
10.6 ± 1.1 |
39.5 ± 3.7 |
27.43 ± 3.04 |
3.18 ± 0.32 |
| MX3 |
125.0 ± 1.6 |
4.6 ± 0.5 |
10.7 ± 1.1 |
39.5 ± 3.7 |
27.16 ± 3.01 |
3.18 ± 0.32 |
| RH8 |
122.7 ± 1.7 |
4.3 ± 0.5 |
10.0 ± 1.0 |
39.6 ± 3.7 |
28.47 ± 3.17 |
3.12 ± 0.31 |
| RH9 |
71.1 ± 0.5 |
5.8 ± 0.6 |
13.3 ± 1.4 |
39.4 ± 3.7 |
12.33 ± 1.30 |
1.82 ± 0.19 |
| RH10 |
96.3 ± 1.7 |
1.3 ± 0.1 |
3.0 ± 0.3 |
39.8 ± 3.7 |
74.95 ± 8.52 |
2.43 ± 0.24 |
| Average |
109.9 |
4.7 |
10.8 |
39.5 |
29.5 |
2.8 |
| Median |
124.8 |
4.6 |
10.7 |
39.5 |
27.4 |
3.2 |
| Deviation |
21.3 |
1.7 |
3.8 |
0.2 |
19.6 |
0.5 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
38.3 ± 4.4 |
13.5 ± 0.9 |
26.7 ± 1.7 |
65.2 ± 2.8 |
2.83 ± 0.31 |
0.59 ± 0.09 |
| VC |
54.3 ± 3.1 |
9.3 ± 0.6 |
18.5 ± 1.2 |
65.9 ± 2.8 |
5.86 ± 0.44 |
0.83 ± 0.08 |
| MX1 |
54.0 ± 3.0 |
8.3 ± 0.6 |
16.7 ± 1.1 |
66.0 ± 2.8 |
6.50 ± 0.48 |
0.82 ± 0.08 |
| MX2 |
54.2 ± 3.1 |
8.5 ± 0.6 |
17.0 ± 1.1 |
66.0 ± 2.8 |
6.39 ± 0.48 |
0.82 ± 0.08 |
| MX3 |
54.2 ± 3.1 |
8.6 ± 0.6 |
17.2 ± 1.1 |
66.0 ± 2.8 |
6.33 ± 0.47 |
0.82 ± 0.08 |
| RH8 |
52.6 ± 2.7 |
8.0 ± 0.5 |
16.1 ± 1.0 |
66.1 ± 2.8 |
6.56 ± 0.49 |
0.80 ± 0.07 |
| RH9 |
30.3 ± 4.2 |
10.8 ± 0.7 |
21.4 ± 1.4 |
65.7 ± 2.8 |
2.82 ± 0.37 |
0.46 ± 0.08 |
| RH10 |
40.2 ± 1.9 |
2.4 ± 0.2 |
4.8 ± 0.3 |
66.5 ± 2.8 |
16.87 ± 1.42 |
0.61 ± 0.05 |
| Average |
47.3 |
8.7 |
17.3 |
65.9 |
6.8 |
0.7 |
| Median |
54.0 |
8.6 |
17.2 |
66.0 |
6.4 |
0.8 |
| Deviation |
9.5 |
3.1 |
6.1 |
0.4 |
4.4 |
0.1 |
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)
| 
