Database: Ace Shock Analysis
Event ID: 20080060543
Observation time: 01/06/2008 6.23826 0543 [UT]
|
|
General
Information (About, Top)
| Year |
2008 |
| Fractional day of year |
6.238262 |
| Arrival time of shock [seconds of day] |
20585.9 ± 70.0 |
| Shock type |
FR |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
218.054 |
| Y GSE location of spacecraft [Re] |
-5.048 |
| Z GSE location of spacecraft [Re] |
22.975 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0474 |
| Downstream plasma points selected for analysis |
0010
|
| Downstream field points selected for analysis |
0605 |
| Minimum chisq/dof for RH8,RH9,RH10 |
12.30, 15.02, 17.38 |
Event added to database
|
Wed Oct 15 09:35:34 2014
|
Event last processed
|
Wed Oct 15 12:57:41 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
38.863 ± 5.116
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-570.4 ± 6.2 |
-675.1 ± 8.4 |
| Vy GSE [km/s] |
93.4 ± 12.0 |
65.8 ± 26.4 |
| Vz GSE [km/s] |
19.2 ± 12.1 |
50.1 ± 9.1 |
| Wi [km/s] |
64.4 ± 2.5 |
56.6 ± 2.9 |
| We [km/s] |
2035.5 ± 78.4 |
1789.3 ± 91.9 |
| Ni [n/cc] |
5.0 ± 0.4 |
2.7 ± 0.2 |
| Bx GSE [nT] |
6.8 ± 1.2 |
-0.0 ± 0.7 |
| By GSE [nT] |
-4.1 ± 1.4 |
-0.8 ± 2.4 |
| Bz GSE [nT] |
-3.2 ± 1.1 |
4.8 ± 0.4 |
Plasma Beta
|
0.557 ± 0.559
|
0.630 ± 0.671
|
Sound Speed [km/s]
|
83.10 ± 3.20
|
73.05 ± 3.75
|
Alfven Speed [km/s]
|
86.24 ± 2.39
|
71.54 ± 2.75
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.641 ± 0.235 |
0.471 ± 0.312 |
-0.607 ± 0.518 |
-37.35 ± 7.01 |
143.70 ± 27.63 |
| VC |
-0.934 ± 0.068 |
-0.237 ± 0.234 |
0.268 ± 0.262 |
15.55 ± 7.39 |
194.27 ± 14.33 |
| MX1 |
-0.960 ± 0.333 |
-0.278 ± 1.151 |
-0.047 ± 0.047 |
-2.69 ± 11.13 |
196.13 ± 68.70 |
| MX2 |
-0.792 ± 0.076 |
0.027 ± 0.246 |
-0.610 ± 0.520 |
-37.57 ± 7.06 |
178.03 ± 17.80 |
| MX3 |
-0.687 ± 0.150 |
-0.637 ± 0.160 |
-0.351 ± 0.336 |
-20.55 ± 9.16 |
222.84 ± 12.95 |
| RH08 |
-0.324 ± 0.014 |
0.751 ± 0.008 |
-0.575 ± 0.501 |
-35.13 ± 0.64 |
113.31 ± 1.08 |
| RH09 |
-0.313 ± 0.067 |
0.764 ± 0.045 |
-0.564 ± 0.495 |
-34.35 ± 4.00 |
112.31 ± 4.87 |
| RH10 |
-0.300 ± 0.067 |
0.769 ± 0.045 |
-0.564 ± 0.495 |
-34.35 ± 4.00 |
111.31 ± 4.87 |
| Average |
-0.619 |
0.204 |
-0.381 |
-23.305 |
158.988 |
| Median |
-0.641 |
0.471 |
-0.564 |
-34.350 |
178.033 |
| Deviation |
0.276 |
0.556 |
0.326 |
19.737 |
44.458 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
59.8 ± 6.0 |
358.4 ± 4.3 |
0.57 ± 0.05 |
| VC |
43.7 ± 12.2 |
372.0 ± 4.1 |
0.57 ± 0.05 |
| MX1 |
52.5 ± 11.7 |
387.3 ± 3.8 |
0.57 ± 0.05 |
| MX2 |
65.7 ± 7.4 |
362.4 ± 3.5 |
0.57 ± 0.05 |
| MX3 |
83.7 ± 11.2 |
231.0 ± 3.4 |
0.57 ± 0.05 |
| RH08 |
66.2 ± 8.7 |
254.4 ± 4.7 |
0.57 ± 0.05 |
| RH09 |
66.1 ± 8.8 |
250.9 ± 4.7 |
0.57 ± 0.05 |
| RH10 |
66.6 ± 8.9 |
245.4 ± 39.0 |
0.57 ± 0.05 |
| Average |
63.0 |
307.7 |
0.57 |
| Median |
66.1 |
358.4 |
0.57 |
| Deviation |
11.7 |
67.5 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-39.4 ± 8.4 |
31.2 ± 1.0 |
43.4 ± 1.2 |
115.6 ± 3.7 |
-1.26 ± 0.24 |
-0.34 ± 0.07 |
| VC |
-143.5 ± 6.3 |
47.0 ± 1.5 |
62.3 ± 1.7 |
110.2 ± 3.5 |
-3.06 ± 0.18 |
-1.30 ± 0.08 |
| MX1 |
-133.3 ± 8.7 |
38.4 ± 1.3 |
52.5 ± 1.5 |
113.4 ± 3.6 |
-3.47 ± 0.24 |
-1.18 ± 0.08 |
| MX2 |
-80.3 ± 10.9 |
25.2 ± 0.8 |
35.5 ± 1.0 |
117.1 ± 3.7 |
-3.18 ± 0.39 |
-0.68 ± 0.08 |
| MX3 |
-94.5 ± 13.6 |
6.6 ± 0.2 |
9.5 ± 0.3 |
119.6 ± 3.8 |
-14.33 ± 2.00 |
-0.79 ± 0.11 |
| RH8 |
10.6 ± 8.3 |
24.6 ± 0.8 |
34.7 ± 1.0 |
117.2 ± 3.8 |
0.44 ± 0.34 |
0.09 ± 0.07 |
| RH9 |
11.5 ± 8.3 |
24.8 ± 0.8 |
34.9 ± 1.0 |
117.2 ± 3.7 |
0.47 ± 0.34 |
0.10 ± 0.07 |
| RH10 |
13.2 ± 8.3 |
24.3 ± 0.8 |
34.2 ± 1.0 |
117.3 ± 3.8 |
0.55 ± 0.35 |
0.11 ± 0.07 |
| Average |
-57.0 |
27.8 |
38.4 |
115.9 |
-3.0 |
-0.5 |
| Median |
-39.4 |
25.2 |
35.5 |
117.2 |
-1.3 |
-0.3 |
| Deviation |
65.2 |
11.8 |
15.5 |
2.9 |
4.9 |
0.6 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-74.8 ± 20.0 |
26.6 ± 0.7 |
36.0 ± 1.4 |
98.8 ± 2.8 |
-2.80 ± 0.72 |
-0.75 ± 0.19 |
| VC |
-256.2 ± 9.2 |
40.1 ± 1.1 |
51.7 ± 2.0 |
94.1 ± 2.7 |
-6.40 ± 0.29 |
-2.72 ± 0.12 |
| MX1 |
-240.0 ± 8.4 |
32.8 ± 0.9 |
43.5 ± 1.7 |
96.9 ± 2.8 |
-7.33 ± 0.31 |
-2.48 ± 0.10 |
| MX2 |
-143.6 ± 10.4 |
21.5 ± 0.6 |
29.5 ± 1.1 |
100.0 ± 2.9 |
-6.68 ± 0.41 |
-1.44 ± 0.09 |
| MX3 |
-173.1 ± 13.1 |
5.6 ± 0.2 |
7.9 ± 0.3 |
102.1 ± 2.9 |
-30.82 ± 2.59 |
-1.70 ± 0.14 |
| RH8 |
15.3 ± 25.6 |
21.0 ± 0.6 |
28.8 ± 1.1 |
100.1 ± 2.9 |
0.74 ± 1.22 |
0.16 ± 0.26 |
| RH9 |
17.2 ± 25.8 |
21.1 ± 0.6 |
29.0 ± 1.1 |
100.1 ± 2.9 |
0.83 ± 1.23 |
0.17 ± 0.26 |
| RH10 |
20.5 ± 25.9 |
20.7 ± 0.6 |
28.4 ± 1.1 |
100.2 ± 2.9 |
1.00 ± 1.26 |
0.21 ± 0.26 |
| Average |
-104.3 |
23.7 |
31.8 |
99.0 |
-6.4 |
-1.1 |
| Median |
-74.8 |
21.5 |
29.5 |
100.1 |
-2.8 |
-0.8 |
| Deviation |
115.4 |
10.1 |
12.9 |
2.5 |
10.5 |
1.2 |
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)
| 
