Database: Ace Shock Analysis
Event ID: 20062462328
Observation time: 09/03/2006 246.97784 2328 [UT]
|
|
General
Information (About, Top)
| Year |
2006 |
| Fractional day of year |
246.977841 |
| Arrival time of shock [seconds of day] |
84485.5 ± 60.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
229.496 |
| Y GSE location of spacecraft [Re] |
37.542 |
| Z GSE location of spacecraft [Re] |
-6.954 |
| Upstream plasma points selected for analysis |
0010 |
| Upstream field points selected for analysis |
0620 |
| Downstream plasma points selected for analysis |
0012
|
| Downstream field points selected for analysis |
0723 |
| Minimum chisq/dof for RH8,RH9,RH10 |
6.49, 14.66, 14.83 |
Event added to database
|
Tue Oct 14 13:29:26 2014
|
Event last processed
|
Wed Oct 15 12:12:32 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
48.641 ± 1.256
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-399.8 ± 1.7 |
-453.6 ± 3.1 |
| Vy GSE [km/s] |
-9.0 ± 2.5 |
-32.1 ± 3.0 |
| Vz GSE [km/s] |
-54.8 ± 2.3 |
-29.7 ± 4.5 |
| Wi [km/s] |
28.7 ± 1.1 |
38.3 ± 1.5 |
| We [km/s] |
908.2 ± 33.9 |
1209.9 ± 46.0 |
| Ni [n/cc] |
7.4 ± 0.4 |
15.4 ± 1.0 |
| Bx GSE [nT] |
-3.6 ± 0.3 |
-4.6 ± 0.5 |
| By GSE [nT] |
1.8 ± 0.4 |
8.6 ± 0.7 |
| Bz GSE [nT] |
2.5 ± 0.8 |
-0.1 ± 1.3 |
Plasma Beta
|
0.554 ± 0.567
|
0.498 ± 0.469
|
Sound Speed [km/s]
|
37.08 ± 1.38
|
49.40 ± 1.88
|
Alfven Speed [km/s]
|
38.65 ± 1.04
|
54.79 ± 3.92
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.775 ± 0.114 |
0.153 ± 0.117 |
0.612 ± 0.521 |
37.77 ± 10.67 |
168.81 ± 8.47 |
| VC |
-0.845 ± 0.037 |
-0.362 ± 0.049 |
0.395 ± 0.373 |
23.25 ± 4.91 |
203.19 ± 3.19 |
| MX1 |
-0.851 ± 0.068 |
0.101 ± 0.123 |
0.516 ± 0.464 |
31.04 ± 7.39 |
173.24 ± 8.24 |
| MX2 |
-0.936 ± 0.018 |
-0.001 ± 0.057 |
0.351 ± 0.336 |
20.56 ± 2.89 |
180.08 ± 3.49 |
| MX3 |
-0.956 ± 0.018 |
-0.032 ± 0.053 |
0.291 ± 0.282 |
16.90 ± 3.57 |
181.93 ± 3.16 |
| RH08 |
-0.984 ± 0.002 |
-0.078 ± 0.009 |
0.162 ± 0.161 |
9.32 ± 0.54 |
184.51 ± 0.55 |
| RH09 |
-0.993 ± 0.008 |
0.043 ± 0.066 |
-0.106 ± 0.106 |
-6.09 ± 3.94 |
177.49 ± 3.79 |
| RH10 |
-0.993 ± 0.008 |
0.043 ± 0.066 |
-0.106 ± 0.106 |
-6.09 ± 3.95 |
177.49 ± 3.80 |
| Average |
-0.917 |
-0.016 |
0.264 |
15.832 |
180.843 |
| Median |
-0.936 |
0.043 |
0.351 |
20.555 |
180.077 |
| Deviation |
0.083 |
0.157 |
0.266 |
16.012 |
10.281 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
16.5 ± 7.8 |
377.7 ± 0.9 |
2.08 ± 0.18 |
| VC |
46.0 ± 3.3 |
442.2 ± 1.1 |
2.08 ± 0.18 |
| MX1 |
20.0 ± 4.3 |
419.3 ± 0.9 |
2.08 ± 0.18 |
| MX2 |
28.7 ± 1.4 |
469.5 ± 1.0 |
2.08 ± 0.18 |
| MX3 |
31.8 ± 1.9 |
481.2 ± 1.0 |
2.08 ± 0.18 |
| RH08 |
38.0 ± 3.6 |
498.0 ± 1.1 |
2.08 ± 0.18 |
| RH09 |
44.9 ± 7.8 |
498.7 ± 1.0 |
2.08 ± 0.18 |
| RH10 |
44.9 ± 7.8 |
498.7 ± 11.3 |
2.08 ± 0.18 |
| Average |
33.9 |
460.7 |
2.08 |
| Median |
38.0 |
481.2 |
2.08 |
| Deviation |
11.5 |
44.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
102.6 ± 1.4 |
31.9 ± 0.7 |
37.1 ± 1.0 |
43.0 ± 0.8 |
3.22 ± 0.08 |
2.38 ± 0.06 |
| VC |
122.9 ± 1.7 |
20.0 ± 0.4 |
26.9 ± 0.7 |
49.7 ± 0.9 |
6.14 ± 0.13 |
2.47 ± 0.05 |
| MX1 |
108.4 ± 1.3 |
30.6 ± 0.7 |
36.3 ± 1.0 |
44.0 ± 0.8 |
3.54 ± 0.09 |
2.46 ± 0.05 |
| MX2 |
114.4 ± 1.4 |
27.2 ± 0.6 |
33.9 ± 0.9 |
46.1 ± 0.9 |
4.20 ± 0.10 |
2.48 ± 0.05 |
| MX3 |
114.6 ± 1.5 |
26.0 ± 0.6 |
32.8 ± 0.9 |
46.9 ± 0.9 |
4.41 ± 0.10 |
2.45 ± 0.05 |
| RH8 |
112.9 ± 1.6 |
23.4 ± 0.5 |
30.4 ± 0.8 |
48.2 ± 0.9 |
4.83 ± 0.11 |
2.34 ± 0.05 |
| RH9 |
96.2 ± 1.8 |
20.5 ± 0.4 |
27.4 ± 0.7 |
49.5 ± 0.9 |
4.70 ± 0.13 |
1.94 ± 0.05 |
| RH10 |
96.2 ± 1.8 |
20.5 ± 0.4 |
27.4 ± 0.7 |
49.5 ± 0.9 |
4.70 ± 0.13 |
1.94 ± 0.05 |
| Average |
108.5 |
25.0 |
31.5 |
47.1 |
4.5 |
2.3 |
| Median |
112.9 |
26.0 |
32.8 |
48.2 |
4.7 |
2.4 |
| Deviation |
9.6 |
4.7 |
4.1 |
2.6 |
0.9 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
49.0 ± 2.1 |
43.3 ± 1.2 |
52.5 ± 3.8 |
59.8 ± 2.4 |
1.13 ± 0.05 |
0.82 ± 0.05 |
| VC |
59.2 ± 2.6 |
27.4 ± 0.8 |
38.1 ± 2.7 |
68.6 ± 2.4 |
2.16 ± 0.14 |
0.86 ± 0.06 |
| MX1 |
51.9 ± 2.0 |
41.6 ± 1.2 |
51.5 ± 3.7 |
61.0 ± 2.4 |
1.25 ± 0.06 |
0.85 ± 0.06 |
| MX2 |
55.2 ± 2.2 |
37.1 ± 1.1 |
48.1 ± 3.4 |
63.8 ± 2.4 |
1.49 ± 0.09 |
0.87 ± 0.06 |
| MX3 |
55.1 ± 2.4 |
35.4 ± 1.0 |
46.6 ± 3.3 |
64.8 ± 2.4 |
1.56 ± 0.10 |
0.85 ± 0.06 |
| RH8 |
54.1 ± 2.8 |
32.0 ± 1.0 |
43.2 ± 3.1 |
66.6 ± 2.4 |
1.70 ± 0.12 |
0.81 ± 0.07 |
| RH9 |
46.4 ± 3.4 |
28.0 ± 0.8 |
38.8 ± 2.8 |
68.3 ± 2.4 |
1.66 ± 0.15 |
0.68 ± 0.07 |
| RH10 |
46.4 ± 3.4 |
28.0 ± 0.8 |
38.8 ± 2.8 |
68.3 ± 2.4 |
1.66 ± 0.15 |
0.68 ± 0.07 |
| Average |
52.2 |
34.1 |
44.7 |
65.2 |
1.6 |
0.8 |
| Median |
54.1 |
35.4 |
46.6 |
66.6 |
1.7 |
0.9 |
| Deviation |
4.6 |
6.3 |
5.8 |
3.4 |
0.3 |
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)
| 
