Database: Ace Shock Analysis
Event ID: 20062670603
Observation time: 09/24/2006 267.25223 0603 [UT]
|
|
General
Information (About, Top)
| Year |
2006 |
| Fractional day of year |
267.252229 |
| Arrival time of shock [seconds of day] |
21792.6 ± 70.0 |
| Shock type |
FR |
| Electron data availability |
0 |
| X GSE location of spacecraft [Re] |
237.802 |
| Y GSE location of spacecraft [Re] |
38.369 |
| Z GSE location of spacecraft [Re] |
-20.238 |
| Upstream plasma points selected for analysis |
0006 |
| Upstream field points selected for analysis |
0377 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0476 |
| Minimum chisq/dof for RH8,RH9,RH10 |
5.65, 8.86, 9.23 |
Event added to database
|
Tue Oct 14 13:33:45 2014
|
Event last processed
|
Wed Oct 15 12:14:50 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
53.384 ± 0.601
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-509.8 ± 6.3 |
-598.0 ± 4.1 |
| Vy GSE [km/s] |
55.4 ± 7.0 |
17.9 ± 9.4 |
| Vz GSE [km/s] |
-56.4 ± 2.3 |
-55.6 ± 10.0 |
| Wi [km/s] |
70.0 ± 2.5 |
55.6 ± 3.0 |
| We [km/s] |
2214.7 ± 79.4 |
1758.4 ± 93.7 |
| Ni [n/cc] |
11.6 ± 2.1 |
3.8 ± 0.3 |
| Bx GSE [nT] |
5.5 ± 0.6 |
4.7 ± 0.2 |
| By GSE [nT] |
-9.5 ± 2.8 |
-4.4 ± 0.7 |
| Bz GSE [nT] |
-5.9 ± 3.1 |
-3.5 ± 1.9 |
Plasma Beta
|
0.737 ± 0.843
|
0.460 ± 0.433
|
Sound Speed [km/s]
|
90.41 ± 3.24
|
71.79 ± 3.83
|
Alfven Speed [km/s]
|
84.53 ± 13.68
|
84.15 ± 8.64
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.972 ± 0.112 |
0.131 ± 0.385 |
0.196 ± 0.193 |
11.28 ± 29.49 |
172.31 ± 22.67 |
| VC |
-0.921 ± 0.041 |
-0.389 ± 0.098 |
0.004 ± 0.004 |
0.22 ± 5.32 |
202.88 ± 6.07 |
| MX1 |
-0.964 ± 0.045 |
-0.260 ± 0.164 |
0.059 ± 0.059 |
3.37 ± 4.59 |
195.12 ± 9.78 |
| MX2 |
-0.972 ± 0.065 |
-0.210 ± 0.295 |
0.103 ± 0.103 |
5.91 ± 6.88 |
192.18 ± 17.39 |
| MX3 |
-0.963 ± 0.043 |
-0.268 ± 0.153 |
0.037 ± 0.037 |
2.11 ± 5.92 |
195.53 ± 9.13 |
| RH08 |
-0.998 ± 0.001 |
0.009 ± 0.033 |
-0.061 ± 0.061 |
-3.52 ± 1.27 |
179.50 ± 1.91 |
| RH09 |
-0.995 ± 0.007 |
-0.096 ± 0.068 |
-0.006 ± 0.006 |
-0.32 ± 4.05 |
185.52 ± 3.94 |
| RH10 |
-0.995 ± 0.007 |
-0.096 ± 0.068 |
-0.006 ± 0.006 |
-0.32 ± 4.05 |
185.52 ± 3.94 |
| Average |
-0.973 |
-0.147 |
0.041 |
2.340 |
188.569 |
| Median |
-0.972 |
-0.096 |
0.037 |
2.106 |
192.180 |
| Deviation |
0.025 |
0.168 |
0.080 |
4.580 |
9.817 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
53.3 ± 4.6 |
452.4 ± 2.1 |
0.35 ± 0.08 |
| VC |
83.7 ± 5.1 |
398.6 ± 2.2 |
0.35 ± 0.08 |
| MX1 |
75.7 ± 5.0 |
425.6 ± 2.2 |
0.35 ± 0.08 |
| MX2 |
72.1 ± 5.3 |
431.0 ± 2.2 |
0.35 ± 0.08 |
| MX3 |
76.7 ± 4.8 |
425.9 ± 2.2 |
0.35 ± 0.08 |
| RH08 |
66.5 ± 2.5 |
468.8 ± 2.2 |
0.35 ± 0.08 |
| RH09 |
69.7 ± 3.2 |
456.4 ± 2.2 |
0.35 ± 0.08 |
| RH10 |
69.7 ± 3.2 |
456.4 ± 15.2 |
0.35 ± 0.08 |
| Average |
70.9 |
439.4 |
0.35 |
| Median |
72.1 |
452.4 |
0.35 |
| Deviation |
8.9 |
23.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-39.3 ± 6.0 |
38.4 ± 2.6 |
50.6 ± 8.2 |
118.1 ± 7.7 |
-1.03 ± 0.17 |
-0.33 ± 0.06 |
| VC |
-49.3 ± 6.6 |
6.7 ± 0.4 |
9.2 ± 1.5 |
124.0 ± 8.1 |
-7.41 ± 1.13 |
-0.40 ± 0.06 |
| MX1 |
-48.0 ± 6.4 |
15.2 ± 1.0 |
20.8 ± 3.4 |
123.3 ± 8.0 |
-3.18 ± 0.49 |
-0.39 ± 0.06 |
| MX2 |
-47.3 ± 6.3 |
19.0 ± 1.3 |
26.0 ± 4.2 |
122.8 ± 8.0 |
-2.50 ± 0.38 |
-0.39 ± 0.06 |
| MX3 |
-48.0 ± 6.5 |
14.2 ± 1.0 |
19.5 ± 3.1 |
123.4 ± 8.0 |
-3.41 ± 0.52 |
-0.39 ± 0.06 |
| RH8 |
-44.0 ± 6.4 |
24.8 ± 1.7 |
33.6 ± 5.4 |
121.7 ± 7.9 |
-1.78 ± 0.29 |
-0.36 ± 0.06 |
| RH9 |
-46.0 ± 6.4 |
21.6 ± 1.5 |
29.4 ± 4.8 |
122.3 ± 8.0 |
-2.14 ± 0.34 |
-0.38 ± 0.06 |
| RH10 |
-46.0 ± 6.4 |
21.6 ± 1.5 |
29.4 ± 4.8 |
122.3 ± 8.0 |
-2.14 ± 0.34 |
-0.38 ± 0.06 |
| Average |
-46.0 |
20.2 |
27.3 |
122.2 |
-2.9 |
-0.4 |
| Median |
-46.0 |
21.6 |
29.4 |
122.8 |
-2.1 |
-0.4 |
| Deviation |
3.1 |
9.3 |
12.1 |
1.8 |
2.0 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-120.3 ± 4.7 |
34.1 ± 0.9 |
50.3 ± 5.2 |
105.5 ± 4.4 |
-3.53 ± 0.15 |
-1.14 ± 0.07 |
| VC |
-145.2 ± 6.0 |
5.9 ± 0.2 |
9.2 ± 0.9 |
110.7 ± 4.4 |
-24.50 ± 1.06 |
-1.31 ± 0.08 |
| MX1 |
-142.8 ± 5.6 |
13.5 ± 0.4 |
20.7 ± 2.1 |
110.1 ± 4.4 |
-10.62 ± 0.44 |
-1.30 ± 0.07 |
| MX2 |
-141.0 ± 5.7 |
16.9 ± 0.4 |
25.9 ± 2.7 |
109.6 ± 4.4 |
-8.36 ± 0.35 |
-1.29 ± 0.07 |
| MX3 |
-143.0 ± 5.5 |
12.6 ± 0.3 |
19.4 ± 2.0 |
110.2 ± 4.4 |
-11.39 ± 0.47 |
-1.30 ± 0.07 |
| RH8 |
-131.7 ± 3.9 |
22.0 ± 0.6 |
33.5 ± 3.4 |
108.7 ± 4.4 |
-5.99 ± 0.24 |
-1.21 ± 0.07 |
| RH9 |
-137.4 ± 4.4 |
19.1 ± 0.5 |
29.3 ± 3.0 |
109.2 ± 4.4 |
-7.19 ± 0.28 |
-1.26 ± 0.07 |
| RH10 |
-137.4 ± 4.4 |
19.1 ± 0.5 |
29.3 ± 3.0 |
109.2 ± 4.4 |
-7.19 ± 0.28 |
-1.26 ± 0.07 |
| Average |
-137.4 |
17.9 |
27.2 |
109.2 |
-9.8 |
-1.3 |
| Median |
-137.4 |
19.1 |
29.3 |
109.6 |
-7.2 |
-1.3 |
| Deviation |
8.1 |
8.2 |
12.0 |
1.6 |
6.4 |
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)
| 
