Database: Ace Shock Analysis
Event ID: 20062091056
Observation time: 07/28/2006 209.45615 1056 [UT]
|
|
General
Information (About, Top)
| Year |
2006 |
| Fractional day of year |
209.456146 |
| Arrival time of shock [seconds of day] |
39411.0 ± 90.0 |
| Shock type |
FR |
| Electron data availability |
0 |
| X GSE location of spacecraft [Re] |
225.553 |
| Y GSE location of spacecraft [Re] |
-6.379 |
| Z GSE location of spacecraft [Re] |
20.133 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0610 |
| Downstream plasma points selected for analysis |
0010
|
| Downstream field points selected for analysis |
0647 |
| Minimum chisq/dof for RH8,RH9,RH10 |
6.13, 9.96, 10.12 |
Event added to database
|
Tue Oct 14 10:20:13 2014
|
Event last processed
|
Wed Oct 15 11:59:34 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
44.572 ± 0.224
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-579.4 ± 7.6 |
-635.5 ± 3.2 |
| Vy GSE [km/s] |
70.1 ± 4.6 |
27.6 ± 11.9 |
| Vz GSE [km/s] |
-5.8 ± 1.9 |
13.7 ± 11.3 |
| Wi [km/s] |
74.4 ± 3.5 |
48.4 ± 2.5 |
| We [km/s] |
2352.4 ± 110.8 |
1530.6 ± 79.1 |
| Ni [n/cc] |
5.4 ± 0.2 |
2.5 ± 0.4 |
| Bx GSE [nT] |
-3.0 ± 0.7 |
-2.1 ± 0.7 |
| By GSE [nT] |
-0.0 ± 1.8 |
-2.0 ± 1.5 |
| Bz GSE [nT] |
-0.1 ± 2.5 |
-0.2 ± 0.9 |
Plasma Beta
|
3.562 ± 3.417
|
1.048 ± 1.092
|
Sound Speed [km/s]
|
96.04 ± 4.52
|
62.49 ± 3.23
|
Alfven Speed [km/s]
|
39.64 ± 2.48
|
47.58 ± 3.45
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.890 ± 0.197 |
-0.455 ± 0.386 |
0.017 ± 0.017 |
0.96 ± 17.81 |
207.07 ± 24.86 |
| VC |
-0.775 ± 0.082 |
-0.577 ± 0.106 |
0.257 ± 0.251 |
14.91 ± 6.86 |
216.64 ± 7.74 |
| MX1 |
-0.854 ± 0.220 |
-0.480 ± 0.382 |
0.200 ± 0.198 |
11.57 ± 17.23 |
209.34 ± 25.55 |
| MX2 |
-0.916 ± 0.210 |
-0.380 ± 0.498 |
0.130 ± 0.129 |
7.47 ± 17.15 |
202.55 ± 31.18 |
| MX3 |
-0.823 ± 0.134 |
-0.514 ± 0.203 |
0.242 ± 0.237 |
13.98 ± 13.86 |
211.95 ± 13.95 |
| RH08 |
-0.989 ± 0.003 |
0.148 ± 0.018 |
-0.006 ± 0.006 |
-0.32 ± 0.93 |
171.48 ± 1.04 |
| RH09 |
-0.997 ± 0.005 |
0.061 ± 0.068 |
0.050 ± 0.050 |
2.88 ± 4.06 |
176.49 ± 3.91 |
| RH10 |
-0.997 ± 0.005 |
0.061 ± 0.068 |
0.050 ± 0.050 |
2.88 ± 4.06 |
176.49 ± 3.91 |
| Average |
-0.905 |
-0.267 |
0.118 |
6.792 |
196.503 |
| Median |
-0.890 |
-0.380 |
0.130 |
7.474 |
207.074 |
| Deviation |
0.085 |
0.302 |
0.104 |
6.048 |
18.458 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
48.0 ± 16.5 |
420.0 ± 3.2 |
0.47 ± 0.07 |
| VC |
55.8 ± 9.9 |
341.8 ± 3.1 |
0.47 ± 0.07 |
| MX1 |
51.5 ± 11.4 |
394.8 ± 3.2 |
0.47 ± 0.07 |
| MX2 |
47.7 ± 13.4 |
439.3 ± 3.2 |
0.47 ± 0.07 |
| MX3 |
53.3 ± 10.4 |
374.0 ± 3.2 |
0.47 ± 0.07 |
| RH08 |
42.4 ± 18.2 |
538.2 ± 2.7 |
0.47 ± 0.07 |
| RH09 |
42.0 ± 18.1 |
530.9 ± 2.8 |
0.47 ± 0.07 |
| RH10 |
42.0 ± 18.1 |
530.9 ± 26.5 |
0.47 ± 0.07 |
| Average |
47.8 |
446.2 |
0.47 |
| Median |
48.0 |
439.3 |
0.47 |
| Deviation |
5.4 |
77.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-63.9 ± 8.3 |
25.3 ± 1.4 |
26.5 ± 1.7 |
100.8 ± 4.4 |
-2.55 ± 0.45 |
-0.64 ± 0.11 |
| VC |
-65.5 ± 8.1 |
21.0 ± 1.2 |
22.3 ± 1.4 |
101.8 ± 4.4 |
-3.14 ± 0.53 |
-0.65 ± 0.10 |
| MX1 |
-65.2 ± 8.3 |
23.4 ± 1.3 |
24.7 ± 1.5 |
101.3 ± 4.4 |
-2.81 ± 0.48 |
-0.65 ± 0.11 |
| MX2 |
-63.9 ± 8.3 |
25.4 ± 1.5 |
26.7 ± 1.7 |
100.8 ± 4.4 |
-2.53 ± 0.44 |
-0.64 ± 0.11 |
| MX3 |
-65.6 ± 8.2 |
22.4 ± 1.3 |
23.7 ± 1.5 |
101.5 ± 4.4 |
-2.95 ± 0.50 |
-0.65 ± 0.10 |
| RH8 |
-45.2 ± 7.1 |
28.1 ± 1.6 |
29.3 ± 1.8 |
100.0 ± 4.4 |
-1.62 ± 0.33 |
-0.45 ± 0.09 |
| RH9 |
-50.7 ± 7.5 |
28.3 ± 1.6 |
29.5 ± 1.8 |
100.0 ± 4.4 |
-1.81 ± 0.35 |
-0.51 ± 0.09 |
| RH10 |
-50.7 ± 7.5 |
28.3 ± 1.6 |
29.5 ± 1.8 |
100.0 ± 4.4 |
-1.81 ± 0.35 |
-0.51 ± 0.09 |
| Average |
-58.9 |
25.3 |
26.5 |
100.8 |
-2.4 |
-0.6 |
| Median |
-63.9 |
25.4 |
26.7 |
100.8 |
-2.5 |
-0.6 |
| Deviation |
8.5 |
2.8 |
2.8 |
0.7 |
0.6 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-133.5 ± 5.5 |
26.9 ± 1.6 |
31.8 ± 2.3 |
73.8 ± 3.5 |
-4.98 ± 0.36 |
-1.81 ± 0.09 |
| VC |
-138.5 ± 8.8 |
22.1 ± 1.3 |
26.7 ± 1.9 |
75.4 ± 3.6 |
-6.27 ± 0.42 |
-1.84 ± 0.08 |
| MX1 |
-137.4 ± 7.1 |
24.8 ± 1.4 |
29.6 ± 2.2 |
74.6 ± 3.6 |
-5.55 ± 0.36 |
-1.84 ± 0.08 |
| MX2 |
-133.9 ± 5.5 |
27.1 ± 1.6 |
32.0 ± 2.3 |
73.8 ± 3.5 |
-4.95 ± 0.33 |
-1.82 ± 0.08 |
| MX3 |
-138.3 ± 7.9 |
23.7 ± 1.4 |
28.4 ± 2.1 |
74.9 ± 3.6 |
-5.85 ± 0.38 |
-1.85 ± 0.08 |
| RH8 |
-94.2 ± 4.0 |
30.2 ± 1.8 |
35.1 ± 2.5 |
72.5 ± 3.5 |
-3.13 ± 0.30 |
-1.30 ± 0.11 |
| RH9 |
-105.0 ± 3.0 |
30.5 ± 1.8 |
35.4 ± 2.6 |
72.4 ± 3.4 |
-3.46 ± 0.29 |
-1.45 ± 0.10 |
| RH10 |
-105.0 ± 3.0 |
30.5 ± 1.8 |
35.4 ± 2.6 |
72.4 ± 3.4 |
-3.46 ± 0.29 |
-1.45 ± 0.10 |
| Average |
-123.2 |
27.0 |
31.8 |
73.7 |
-4.7 |
-1.7 |
| Median |
-133.5 |
27.1 |
32.0 |
73.8 |
-5.0 |
-1.8 |
| Deviation |
18.5 |
3.3 |
3.3 |
1.2 |
1.2 |
0.2 |
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)
| 
