Database: Ace Shock Analysis
Event ID: 20062311050
Observation time: 08/19/2006 231.45171 1050 [UT]
|
|
General
Information (About, Top)
| Year |
2006 |
| Fractional day of year |
231.451713 |
| Arrival time of shock [seconds of day] |
39028.0 ± 60.0 |
| Shock type |
FF |
| Electron data availability |
0 |
| X GSE location of spacecraft [Re] |
226.649 |
| Y GSE location of spacecraft [Re] |
22.785 |
| Z GSE location of spacecraft [Re] |
5.980 |
| Upstream plasma points selected for analysis |
0013 |
| Upstream field points selected for analysis |
0779 |
| Downstream plasma points selected for analysis |
0013
|
| Downstream field points selected for analysis |
0780 |
| Minimum chisq/dof for RH8,RH9,RH10 |
6.98, 8.50, 8.95 |
Event added to database
|
Tue Oct 14 10:38:38 2014
|
Event last processed
|
Wed Oct 15 12:06:20 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
37.494 ± 11.661
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-386.4 ± 3.9 |
-444.7 ± 5.0 |
| Vy GSE [km/s] |
23.1 ± 4.2 |
25.2 ± 7.6 |
| Vz GSE [km/s] |
-1.9 ± 6.8 |
39.6 ± 9.8 |
| Wi [km/s] |
45.2 ± 0.8 |
54.5 ± 0.9 |
| We [km/s] |
1428.0 ± 26.7 |
1721.9 ± 29.7 |
| Ni [n/cc] |
7.1 ± 0.8 |
15.1 ± 2.3 |
| Bx GSE [nT] |
-4.6 ± 0.1 |
0.3 ± 2.8 |
| By GSE [nT] |
9.1 ± 0.5 |
16.0 ± 1.0 |
| Bz GSE [nT] |
3.0 ± 0.3 |
4.5 ± 2.4 |
Plasma Beta
|
0.272 ± 0.269
|
0.327 ± 0.313
|
Sound Speed [km/s]
|
58.30 ± 1.09
|
70.30 ± 1.21
|
Alfven Speed [km/s]
|
87.48 ± 7.63
|
96.04 ± 6.20
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.810 ± 0.124 |
0.514 ± 0.191 |
0.282 ± 0.274 |
16.35 ± 7.74 |
147.61 ± 13.41 |
| VC |
-0.821 ± 0.085 |
0.030 ± 0.118 |
0.571 ± 0.499 |
34.80 ± 8.57 |
177.89 ± 8.22 |
| MX1 |
-0.743 ± 0.123 |
0.424 ± 0.187 |
0.517 ± 0.465 |
31.16 ± 8.24 |
150.28 ± 14.15 |
| MX2 |
-0.709 ± 0.085 |
0.358 ± 0.130 |
0.608 ± 0.519 |
37.42 ± 5.84 |
153.24 ± 10.27 |
| MX3 |
-0.676 ± 0.087 |
0.305 ± 0.114 |
0.671 ± 0.545 |
42.14 ± 6.74 |
155.69 ± 9.29 |
| RH08 |
-0.615 ± 0.016 |
0.321 ± 0.010 |
0.721 ± 0.558 |
46.11 ± 1.45 |
152.42 ± 0.53 |
| RH09 |
-0.609 ± 0.055 |
0.332 ± 0.065 |
0.721 ± 0.558 |
46.11 ± 4.03 |
151.42 ± 5.70 |
| RH10 |
-0.609 ± 0.056 |
0.332 ± 0.067 |
0.721 ± 0.558 |
46.11 ± 4.00 |
151.42 ± 5.85 |
| Average |
-0.699 |
0.327 |
0.601 |
37.525 |
154.995 |
| Median |
-0.676 |
0.332 |
0.671 |
42.142 |
152.423 |
| Deviation |
0.087 |
0.138 |
0.150 |
10.272 |
9.536 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
29.7 ± 1.3 |
437.3 ± 1.2 |
2.14 ± 0.32 |
| VC |
57.4 ± 1.6 |
451.0 ± 1.6 |
2.14 ± 0.32 |
| MX1 |
34.0 ± 1.6 |
420.3 ± 1.3 |
2.14 ± 0.32 |
| MX2 |
38.5 ± 1.7 |
408.7 ± 1.3 |
2.14 ± 0.32 |
| MX3 |
42.2 ± 1.7 |
395.2 ± 1.4 |
2.14 ± 0.32 |
| RH08 |
42.2 ± 1.8 |
369.7 ± 1.4 |
2.14 ± 0.32 |
| RH09 |
41.6 ± 1.8 |
367.1 ± 1.4 |
2.14 ± 0.32 |
| RH10 |
41.6 ± 1.8 |
367.1 ± 17.6 |
2.14 ± 0.32 |
| Average |
40.9 |
402.0 |
2.14 |
| Median |
41.6 |
408.7 |
2.14 |
| Deviation |
8.1 |
32.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
112.9 ± 2.5 |
47.1 ± 1.1 |
76.0 ± 6.6 |
94.1 ± 6.8 |
2.40 ± 0.10 |
1.21 ± 0.10 |
| VC |
134.4 ± 3.2 |
27.0 ± 0.8 |
47.2 ± 4.1 |
101.7 ± 6.5 |
4.98 ± 0.16 |
1.33 ± 0.07 |
| MX1 |
124.3 ± 2.6 |
44.2 ± 1.1 |
72.5 ± 6.3 |
95.4 ± 6.7 |
2.81 ± 0.10 |
1.31 ± 0.09 |
| MX2 |
127.6 ± 3.0 |
41.2 ± 1.1 |
68.4 ± 6.0 |
96.8 ± 6.6 |
3.10 ± 0.11 |
1.32 ± 0.09 |
| MX3 |
128.4 ± 3.4 |
38.5 ± 1.1 |
64.8 ± 5.6 |
97.9 ± 6.6 |
3.33 ± 0.12 |
1.32 ± 0.08 |
| RH8 |
126.2 ± 3.7 |
38.6 ± 1.1 |
64.8 ± 5.7 |
97.9 ± 6.6 |
3.27 ± 0.12 |
1.29 ± 0.08 |
| RH9 |
125.6 ± 3.7 |
39.0 ± 1.1 |
65.4 ± 5.7 |
97.7 ± 6.6 |
3.22 ± 0.12 |
1.29 ± 0.08 |
| RH10 |
125.6 ± 3.7 |
39.0 ± 1.1 |
65.4 ± 5.7 |
97.7 ± 6.6 |
3.22 ± 0.12 |
1.29 ± 0.08 |
| Average |
125.6 |
39.3 |
65.6 |
97.4 |
3.3 |
1.3 |
| Median |
126.2 |
39.0 |
65.4 |
97.7 |
3.2 |
1.3 |
| Deviation |
6.0 |
5.9 |
8.5 |
2.2 |
0.7 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
52.9 ± 5.5 |
55.7 ± 0.9 |
83.5 ± 5.4 |
105.3 ± 4.7 |
0.95 ± 0.10 |
0.50 ± 0.04 |
| VC |
62.8 ± 5.7 |
31.7 ± 0.6 |
51.8 ± 3.3 |
114.8 ± 4.5 |
1.98 ± 0.17 |
0.55 ± 0.04 |
| MX1 |
58.7 ± 6.1 |
52.2 ± 0.9 |
79.6 ± 5.1 |
107.0 ± 4.6 |
1.12 ± 0.11 |
0.55 ± 0.04 |
| MX2 |
60.3 ± 6.5 |
48.5 ± 0.9 |
75.1 ± 4.9 |
108.8 ± 4.6 |
1.24 ± 0.13 |
0.55 ± 0.05 |
| MX3 |
60.5 ± 6.8 |
45.3 ± 0.8 |
71.1 ± 4.6 |
110.1 ± 4.5 |
1.33 ± 0.14 |
0.55 ± 0.05 |
| RH8 |
59.8 ± 7.2 |
45.4 ± 0.8 |
71.2 ± 4.6 |
110.1 ± 4.5 |
1.32 ± 0.15 |
0.54 ± 0.05 |
| RH9 |
59.5 ± 7.2 |
45.9 ± 0.8 |
71.8 ± 4.6 |
109.9 ± 4.6 |
1.30 ± 0.15 |
0.54 ± 0.05 |
| RH10 |
59.5 ± 7.2 |
45.9 ± 0.8 |
71.8 ± 4.6 |
109.9 ± 4.6 |
1.30 ± 0.15 |
0.54 ± 0.05 |
| Average |
59.3 |
46.3 |
72.0 |
109.5 |
1.3 |
0.5 |
| Median |
59.8 |
45.9 |
71.8 |
109.9 |
1.3 |
0.5 |
| Deviation |
2.8 |
7.0 |
9.3 |
2.8 |
0.3 |
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)
| 
