Database: Ace Shock Analysis
Event ID: 20052810611
Observation time: 10/08/2005 281.25811 0611 [UT]
|
|
General
Information (About, Top)
| Year |
2005 |
| Fractional day of year |
281.258110 |
| Arrival time of shock [seconds of day] |
22300.7 ± 60.0 |
| Shock type |
FR |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
236.393 |
| Y GSE location of spacecraft [Re] |
39.253 |
| Z GSE location of spacecraft [Re] |
-23.026 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0354 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0424 |
| Minimum chisq/dof for RH8,RH9,RH10 |
16.37, 22.15, 23.80 |
Event added to database
|
Fri Oct 10 16:43:05 2014
|
Event last processed
|
Wed Oct 15 11:51:30 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
80.371 ± 5.200
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-622.9 ± 4.7 |
-680.9 ± 3.2 |
| Vy GSE [km/s] |
67.9 ± 9.1 |
6.3 ± 10.5 |
| Vz GSE [km/s] |
-103.1 ± 10.1 |
-57.6 ± 9.4 |
| Wi [km/s] |
83.4 ± 3.4 |
69.6 ± 2.5 |
| We [km/s] |
2637.5 ± 106.8 |
2202.0 ± 78.7 |
| Ni [n/cc] |
8.2 ± 0.4 |
3.9 ± 0.2 |
| Bx GSE [nT] |
9.5 ± 0.6 |
5.2 ± 0.2 |
| By GSE [nT] |
-7.1 ± 1.2 |
-3.8 ± 0.5 |
| Bz GSE [nT] |
-0.5 ± 0.8 |
-1.1 ± 0.9 |
Plasma Beta
|
0.848 ± 0.815
|
0.925 ± 0.940
|
Sound Speed [km/s]
|
107.67 ± 4.36
|
89.89 ± 3.21
|
Alfven Speed [km/s]
|
91.10 ± 4.21
|
72.64 ± 3.72
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.942 ± 0.340 |
-0.202 ± 1.084 |
0.268 ± 0.261 |
15.54 ± 54.49 |
192.09 ± 65.87 |
| VC |
-0.613 ± 0.087 |
-0.638 ± 0.085 |
0.466 ± 0.429 |
27.74 ± 6.67 |
226.17 ± 7.08 |
| MX1 |
-0.740 ± 0.432 |
-0.546 ± 0.575 |
0.392 ± 0.371 |
23.08 ± 16.68 |
216.44 ± 44.23 |
| MX2 |
-0.737 ± 0.435 |
-0.549 ± 0.575 |
0.393 ± 0.372 |
23.17 ± 16.54 |
216.69 ± 44.41 |
| MX3 |
-0.744 ± 0.429 |
-0.544 ± 0.576 |
0.388 ± 0.368 |
22.85 ± 17.13 |
216.19 ± 44.04 |
| RH08 |
-0.621 ± 0.014 |
-0.706 ± 0.013 |
0.341 ± 0.327 |
19.92 ± 1.35 |
228.64 ± 1.05 |
| RH09 |
-0.654 ± 0.053 |
-0.743 ± 0.047 |
0.140 ± 0.139 |
8.03 ± 4.02 |
228.64 ± 4.07 |
| RH10 |
-0.669 ± 0.052 |
-0.734 ± 0.048 |
0.117 ± 0.117 |
6.74 ± 4.01 |
227.63 ± 4.07 |
| Average |
-0.715 |
-0.583 |
0.313 |
18.384 |
219.060 |
| Median |
-0.669 |
-0.549 |
0.388 |
22.850 |
226.173 |
| Deviation |
0.106 |
0.176 |
0.127 |
7.615 |
12.280 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
49.7 ± 4.9 |
474.3 ± 2.7 |
0.47 ± 0.04 |
| VC |
82.3 ± 4.2 |
199.2 ± 2.8 |
0.47 ± 0.04 |
| MX1 |
73.4 ± 4.5 |
293.3 ± 2.7 |
0.47 ± 0.04 |
| MX2 |
73.6 ± 4.5 |
291.0 ± 2.7 |
0.47 ± 0.04 |
| MX3 |
73.1 ± 4.5 |
296.3 ± 2.7 |
0.47 ± 0.04 |
| RH08 |
84.6 ± 4.8 |
215.7 ± 2.5 |
0.47 ± 0.04 |
| RH09 |
84.8 ± 5.7 |
261.5 ± 2.0 |
0.47 ± 0.04 |
| RH10 |
83.9 ± 5.8 |
274.0 ± 11.6 |
0.47 ± 0.04 |
| Average |
75.7 |
288.2 |
0.47 |
| Median |
82.3 |
291.0 |
0.47 |
| Deviation |
11.7 |
83.5 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-71.2 ± 5.0 |
47.7 ± 1.0 |
58.9 ± 2.7 |
132.8 ± 2.3 |
-1.49 ± 0.13 |
-0.54 ± 0.04 |
| VC |
-91.2 ± 4.7 |
9.3 ± 0.2 |
12.1 ± 0.6 |
140.8 ± 2.3 |
-9.84 ± 0.52 |
-0.65 ± 0.04 |
| MX1 |
-90.2 ± 4.3 |
20.1 ± 0.4 |
26.1 ± 1.2 |
139.7 ± 2.3 |
-4.49 ± 0.23 |
-0.65 ± 0.04 |
| MX2 |
-90.4 ± 4.3 |
19.8 ± 0.4 |
25.7 ± 1.2 |
139.7 ± 2.3 |
-4.57 ± 0.24 |
-0.65 ± 0.04 |
| MX3 |
-90.0 ± 4.2 |
20.4 ± 0.4 |
26.5 ± 1.2 |
139.7 ± 2.3 |
-4.42 ± 0.23 |
-0.64 ± 0.03 |
| RH8 |
-88.3 ± 4.2 |
6.6 ± 0.1 |
8.6 ± 0.4 |
141.0 ± 2.3 |
-13.40 ± 0.58 |
-0.63 ± 0.03 |
| RH9 |
-81.2 ± 4.2 |
6.3 ± 0.1 |
8.2 ± 0.4 |
141.0 ± 2.3 |
-12.95 ± 0.48 |
-0.58 ± 0.03 |
| RH10 |
-80.9 ± 4.1 |
7.4 ± 0.1 |
9.7 ± 0.4 |
140.9 ± 2.3 |
-10.90 ± 0.39 |
-0.57 ± 0.03 |
| Average |
-85.4 |
17.2 |
22.0 |
139.5 |
-7.8 |
-0.6 |
| Median |
-88.3 |
19.8 |
25.7 |
140.8 |
-4.6 |
-0.6 |
| Deviation |
7.1 |
13.9 |
17.0 |
2.7 |
4.5 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-150.5 ± 6.6 |
38.7 ± 1.5 |
47.0 ± 2.4 |
108.9 ± 3.4 |
-3.89 ± 0.14 |
-1.38 ± 0.05 |
| VC |
-187.3 ± 11.2 |
7.5 ± 0.3 |
9.7 ± 0.5 |
115.4 ± 3.6 |
-24.84 ± 1.15 |
-1.62 ± 0.08 |
| MX1 |
-184.6 ± 10.1 |
16.3 ± 0.6 |
20.8 ± 1.1 |
114.5 ± 3.6 |
-11.31 ± 0.48 |
-1.61 ± 0.07 |
| MX2 |
-184.8 ± 10.2 |
16.1 ± 0.6 |
20.5 ± 1.1 |
114.5 ± 3.6 |
-11.48 ± 0.49 |
-1.61 ± 0.07 |
| MX3 |
-184.3 ± 10.1 |
16.6 ± 0.6 |
21.1 ± 1.1 |
114.4 ± 3.6 |
-11.13 ± 0.47 |
-1.61 ± 0.07 |
| RH8 |
-183.3 ± 11.0 |
5.4 ± 0.2 |
6.9 ± 0.4 |
115.5 ± 3.6 |
-34.20 ± 1.61 |
-1.59 ± 0.08 |
| RH9 |
-171.3 ± 10.2 |
5.1 ± 0.2 |
6.6 ± 0.3 |
115.5 ± 3.6 |
-33.62 ± 1.62 |
-1.48 ± 0.08 |
| RH10 |
-170.3 ± 10.0 |
6.0 ± 0.2 |
7.7 ± 0.4 |
115.5 ± 3.6 |
-28.24 ± 1.35 |
-1.47 ± 0.08 |
| Average |
-177.0 |
14.0 |
17.5 |
114.3 |
-19.8 |
-1.5 |
| Median |
-183.3 |
16.1 |
20.5 |
115.4 |
-11.5 |
-1.6 |
| Deviation |
12.5 |
11.3 |
13.6 |
2.2 |
11.7 |
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)
| 
