Database: Ace Shock Analysis
Event ID: 20141272132
Observation time: 05/07/2014 127.89779 2132 [UT]
|
|
General
Information (About, Top)
| Year |
2014 |
| Fractional day of year |
127.897790 |
| Arrival time of shock [seconds of day] |
77569.1 ± 90.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
229.218 |
| Y GSE location of spacecraft [Re] |
36.388 |
| Z GSE location of spacecraft [Re] |
3.730 |
| Upstream plasma points selected for analysis |
0006 |
| Upstream field points selected for analysis |
0006 |
| Downstream plasma points selected for analysis |
0006
|
| Downstream field points selected for analysis |
0006 |
| Minimum chisq/dof for RH8,RH9,RH10 |
9.85, 50.89, 53.03 |
Event added to database
|
Fri Oct 10 15:18:56 2014
|
Event last processed
|
Tue Oct 14 16:35:22 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
62.132 ± 3.197
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-330.4 ± 1.0 |
-360.3 ± 0.9 |
| Vy GSE [km/s] |
4.4 ± 1.5 |
20.6 ± 3.7 |
| Vz GSE [km/s] |
-17.7 ± 1.7 |
-14.5 ± 1.4 |
| Wi [km/s] |
14.5 ± 0.6 |
20.6 ± 1.9 |
| We [km/s] |
458.8 ± 20.3 |
650.0 ± 61.5 |
| Ni [n/cc] |
3.9 ± 0.1 |
8.8 ± 0.5 |
| Bx GSE [nT] |
2.3 ± 0.1 |
1.4 ± 0.2 |
| By GSE [nT] |
2.0 ± 0.1 |
3.6 ± 0.6 |
| Bz GSE [nT] |
-4.2 ± 0.1 |
-7.5 ± 0.2 |
Plasma Beta
|
0.064 ± 0.063
|
0.112 ± 0.105
|
Sound Speed [km/s]
|
18.73 ± 0.83
|
26.53 ± 2.51
|
Alfven Speed [km/s]
|
57.41 ± 0.96
|
61.78 ± 1.45
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.965 ± 0.024 |
-0.088 ± 0.173 |
0.249 ± 0.244 |
14.41 ± 4.22 |
185.23 ± 10.27 |
| VC |
-0.877 ± 0.047 |
0.472 ± 0.087 |
0.093 ± 0.093 |
5.35 ± 3.25 |
151.73 ± 5.71 |
| MX1 |
-0.891 ± 0.027 |
0.252 ± 0.066 |
0.378 ± 0.359 |
22.20 ± 3.02 |
164.23 ± 4.22 |
| MX2 |
-0.874 ± 0.028 |
0.290 ± 0.062 |
0.390 ± 0.369 |
22.96 ± 3.05 |
161.61 ± 4.05 |
| MX3 |
-0.848 ± 0.032 |
0.341 ± 0.061 |
0.405 ± 0.382 |
23.92 ± 3.14 |
158.09 ± 4.06 |
| RH08 |
-0.970 ± 0.005 |
0.111 ± 0.026 |
0.218 ± 0.214 |
12.58 ± 0.92 |
173.48 ± 1.53 |
| RH09 |
-0.888 ± 0.032 |
0.333 ± 0.066 |
0.318 ± 0.307 |
18.57 ± 3.99 |
159.44 ± 4.26 |
| RH10 |
-0.888 ± 0.032 |
0.333 ± 0.066 |
0.318 ± 0.307 |
18.57 ± 3.99 |
159.44 ± 4.26 |
| Average |
-0.900 |
0.255 |
0.296 |
17.320 |
164.158 |
| Median |
-0.888 |
0.333 |
0.318 |
18.568 |
161.611 |
| Deviation |
0.044 |
0.172 |
0.106 |
6.284 |
10.509 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
49.0 ± 0.4 |
364.0 ± 0.7 |
2.26 ± 0.11 |
| VC |
74.0 ± 0.3 |
351.4 ± 0.4 |
2.26 ± 0.11 |
| MX1 |
53.3 ± 0.3 |
346.0 ± 0.4 |
2.26 ± 0.11 |
| MX2 |
54.2 ± 0.4 |
340.7 ± 0.4 |
2.26 ± 0.11 |
| MX3 |
55.5 ± 0.4 |
332.4 ± 0.4 |
2.26 ± 0.11 |
| RH08 |
56.2 ± 0.3 |
373.0 ± 0.6 |
2.26 ± 0.11 |
| RH09 |
58.9 ± 0.4 |
348.2 ± 0.4 |
2.26 ± 0.11 |
| RH10 |
58.9 ± 0.4 |
348.2 ± 2.5 |
2.26 ± 0.11 |
| Average |
57.5 |
350.5 |
2.26 |
| Median |
56.2 |
348.2 |
2.26 |
| Deviation |
7.4 |
12.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
50.2 ± 1.1 |
11.9 ± 0.5 |
37.6 ± 0.6 |
59.2 ± 1.0 |
4.22 ± 0.14 |
0.85 ± 0.01 |
| VC |
61.3 ± 1.6 |
4.9 ± 0.2 |
15.8 ± 0.3 |
60.2 ± 1.0 |
12.48 ± 0.34 |
1.02 ± 0.02 |
| MX1 |
57.3 ± 1.6 |
10.8 ± 0.4 |
34.3 ± 0.6 |
59.4 ± 1.0 |
5.30 ± 0.15 |
0.96 ± 0.02 |
| MX2 |
57.7 ± 1.7 |
10.6 ± 0.4 |
33.6 ± 0.6 |
59.5 ± 1.0 |
5.45 ± 0.15 |
0.97 ± 0.02 |
| MX3 |
57.9 ± 1.7 |
10.2 ± 0.4 |
32.5 ± 0.5 |
59.5 ± 1.0 |
5.66 ± 0.16 |
0.97 ± 0.02 |
| RH8 |
56.1 ± 1.3 |
10.0 ± 0.4 |
31.9 ± 0.5 |
59.5 ± 1.0 |
5.59 ± 0.17 |
0.94 ± 0.02 |
| RH9 |
59.2 ± 1.6 |
9.3 ± 0.4 |
29.7 ± 0.5 |
59.7 ± 1.0 |
6.37 ± 0.18 |
0.99 ± 0.02 |
| RH10 |
59.2 ± 1.6 |
9.3 ± 0.4 |
29.7 ± 0.5 |
59.7 ± 1.0 |
6.37 ± 0.18 |
0.99 ± 0.02 |
| Average |
57.3 |
9.6 |
30.6 |
59.6 |
6.4 |
1.0 |
| Median |
57.9 |
10.2 |
32.5 |
59.5 |
5.7 |
1.0 |
| Deviation |
3.3 |
2.1 |
6.5 |
0.3 |
2.5 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
21.9 ± 1.0 |
16.5 ± 1.4 |
40.5 ± 1.0 |
65.2 ± 1.2 |
1.33 ± 0.10 |
0.34 ± 0.02 |
| VC |
27.0 ± 1.1 |
6.7 ± 0.5 |
17.0 ± 0.4 |
66.9 ± 1.2 |
4.03 ± 0.33 |
0.40 ± 0.01 |
| MX1 |
25.2 ± 0.8 |
14.9 ± 1.2 |
36.9 ± 0.9 |
65.6 ± 1.2 |
1.70 ± 0.11 |
0.38 ± 0.01 |
| MX2 |
25.5 ± 0.9 |
14.6 ± 1.2 |
36.2 ± 0.8 |
65.7 ± 1.2 |
1.75 ± 0.12 |
0.39 ± 0.01 |
| MX3 |
25.6 ± 1.1 |
14.1 ± 1.1 |
35.0 ± 0.8 |
65.8 ± 1.2 |
1.82 ± 0.13 |
0.39 ± 0.01 |
| RH8 |
24.5 ± 0.5 |
13.8 ± 1.1 |
34.3 ± 0.8 |
65.8 ± 1.2 |
1.78 ± 0.12 |
0.37 ± 0.01 |
| RH9 |
26.1 ± 0.9 |
12.8 ± 1.0 |
31.9 ± 0.8 |
66.0 ± 1.2 |
2.05 ± 0.15 |
0.40 ± 0.01 |
| RH10 |
26.1 ± 0.9 |
12.8 ± 1.0 |
31.9 ± 0.8 |
66.0 ± 1.2 |
2.05 ± 0.15 |
0.40 ± 0.01 |
| Average |
25.2 |
13.3 |
33.0 |
65.9 |
2.1 |
0.4 |
| Median |
25.6 |
14.1 |
35.0 |
65.8 |
1.8 |
0.4 |
| Deviation |
1.5 |
2.9 |
7.0 |
0.5 |
0.8 |
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)
| 
