Database: Ace Shock Analysis
Event ID: 20003311124
Observation time: 11/26/2000 331.47502 1124 [UT]
|
|
General
Information (About, Top)
| Year |
2000 |
| Fractional day of year |
331.475023 |
| Arrival time of shock [seconds of day] |
41042.0 ± 16.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
0.035 |
| Y GSE location of spacecraft [Re] |
0.006 |
| Z GSE location of spacecraft [Re] |
-0.003 |
| Upstream plasma points selected for analysis |
0008 |
| Upstream field points selected for analysis |
0035 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0032 |
| Minimum chisq/dof for RH8,RH9,RH10 |
6.73, 7.86, 8.06 |
Event added to database
|
Sat Apr 30 21:48:29 2005
|
Event last processed
|
Tue May 3 13:42:30 2005
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
0.006 ± 0.000
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-463.9 ± 3.1 |
-567.1 ± 7.2 |
| Vy GSE [km/s] |
24.9 ± 3.5 |
-28.7 ± 25.2 |
| Vz GSE [km/s] |
-24.8 ± 5.9 |
-58.1 ± 17.4 |
| Wi [km/s] |
56.5 ± 1.8 |
83.3 ± 5.3 |
| We [km/s] |
1788.0 ± 56.3 |
2634.6 ± 168.3 |
| Ni [n/cc] |
8.8 ± 0.7 |
21.9 ± 4.0 |
| Bx GSE [nT] |
-0.5 ± 0.8 |
1.0 ± 2.4 |
| By GSE [nT] |
4.3 ± 0.6 |
0.6 ± 4.5 |
| Bz GSE [nT] |
2.6 ± 0.9 |
16.8 ± 2.8 |
Plasma Beta
|
2.312 ± 2.352
|
1.091 ± 1.087
|
Sound Speed [km/s]
|
73.00 ± 2.30
|
107.56 ± 6.87
|
Alfven Speed [km/s]
|
37.79 ± 3.79
|
83.32 ± 15.99
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.925 ± 0.513 |
-0.366 ± 1.292 |
-0.102 ± 0.102 |
-5.86 ± 19.94 |
201.61 ± 80.07 |
| VC |
-0.864 ± 0.081 |
-0.431 ± 0.155 |
-0.261 ± 0.255 |
-15.11 ± 6.40 |
206.49 ± 10.23 |
| MX1 |
-0.998 ± 0.028 |
0.032 ± 0.797 |
0.045 ± 0.045 |
2.57 ± 15.46 |
178.19 ± 45.76 |
| MX2 |
-0.899 ± 0.091 |
-0.435 ± 0.187 |
-0.049 ± 0.049 |
-2.79 ± 8.08 |
205.85 ± 11.90 |
| MX3 |
-0.874 ± 0.092 |
-0.482 ± 0.166 |
-0.060 ± 0.060 |
-3.44 ± 8.17 |
208.85 ± 10.90 |
| RH08 |
-0.983 ± 0.004 |
-0.060 ± 0.026 |
0.173 ± 0.171 |
9.97 ± 1.18 |
183.51 ± 1.53 |
| RH09 |
-0.981 ± 0.014 |
-0.060 ± 0.070 |
0.184 ± 0.182 |
10.62 ± 4.00 |
183.51 ± 4.11 |
| RH10 |
-0.983 ± 0.013 |
-0.060 ± 0.070 |
0.173 ± 0.171 |
9.97 ± 4.03 |
183.51 ± 4.10 |
| Average |
-0.938 |
-0.233 |
0.013 |
0.743 |
193.939 |
| Median |
-0.925 |
-0.060 |
0.045 |
2.573 |
201.613 |
| Deviation |
0.054 |
0.214 |
0.160 |
9.230 |
12.843 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
74.1 ± 8.7 |
605.4 ± 53.7 |
2.50 ± 0.55 |
| VC |
65.5 ± 9.6 |
581.0 ± 60.0 |
2.50 ± 0.55 |
| MX1 |
81.9 ± 9.5 |
625.4 ± 31.4 |
2.50 ± 0.55 |
| MX2 |
72.2 ± 7.8 |
589.2 ± 55.0 |
2.50 ± 0.55 |
| MX3 |
69.4 ± 7.6 |
576.8 ± 57.0 |
2.50 ± 0.55 |
| RH08 |
82.6 ± 7.9 |
610.6 ± 31.5 |
2.50 ± 0.55 |
| RH09 |
82.3 ± 7.8 |
608.6 ± 31.1 |
2.50 ± 0.55 |
| RH10 |
82.6 ± 7.9 |
610.6 ± 31.5 |
2.50 ± 0.55 |
| Average |
76.3 |
600.9 |
2.50 |
| Median |
81.9 |
608.6 |
2.50 |
| Deviation |
6.9 |
16.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
182.9 ± 4.2 |
9.2 ± 0.7 |
10.3 ± 1.0 |
81.8 ± 1.7 |
19.99 ± 1.69 |
2.24 ± 0.09 |
| VC |
184.4 ± 5.0 |
14.1 ± 1.1 |
15.7 ± 1.6 |
81.1 ± 1.7 |
13.17 ± 1.14 |
2.28 ± 0.10 |
| MX1 |
162.5 ± 2.8 |
4.7 ± 0.3 |
5.4 ± 0.5 |
82.1 ± 1.7 |
34.42 ± 2.73 |
1.98 ± 0.07 |
| MX2 |
181.8 ± 4.1 |
10.3 ± 0.8 |
11.5 ± 1.2 |
81.6 ± 1.7 |
17.76 ± 1.51 |
2.23 ± 0.09 |
| MX3 |
181.7 ± 4.2 |
11.9 ± 0.9 |
13.3 ± 1.3 |
81.4 ± 1.7 |
15.36 ± 1.32 |
2.23 ± 0.09 |
| RH8 |
160.3 ± 2.4 |
4.3 ± 0.3 |
4.9 ± 0.5 |
82.2 ± 1.7 |
37.39 ± 3.00 |
1.95 ± 0.06 |
| RH9 |
159.6 ± 2.4 |
4.5 ± 0.3 |
5.1 ± 0.5 |
82.2 ± 1.7 |
35.66 ± 2.87 |
1.94 ± 0.06 |
| RH10 |
160.3 ± 2.4 |
4.3 ± 0.3 |
4.9 ± 0.5 |
82.2 ± 1.7 |
37.39 ± 3.00 |
1.95 ± 0.06 |
| Average |
171.7 |
7.9 |
8.9 |
81.8 |
26.4 |
2.1 |
| Median |
181.7 |
9.2 |
10.3 |
82.1 |
34.4 |
2.2 |
| Deviation |
11.8 |
3.9 |
4.4 |
0.4 |
10.7 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
64.4 ± 13.9 |
18.0 ± 2.4 |
22.8 ± 4.4 |
135.3 ± 12.8 |
3.70 ± 1.14 |
0.49 ± 0.14 |
| VC |
63.5 ± 17.3 |
27.6 ± 3.8 |
34.5 ± 6.6 |
133.7 ± 12.5 |
2.39 ± 0.86 |
0.49 ± 0.16 |
| MX1 |
62.6 ± 6.6 |
9.3 ± 1.3 |
11.8 ± 2.3 |
136.2 ± 12.9 |
6.90 ± 1.29 |
0.46 ± 0.07 |
| MX2 |
64.1 ± 14.6 |
20.1 ± 2.7 |
25.4 ± 4.9 |
135.0 ± 12.7 |
3.29 ± 1.04 |
0.48 ± 0.14 |
| MX3 |
63.6 ± 15.6 |
23.3 ± 3.2 |
29.3 ± 5.6 |
134.5 ± 12.6 |
2.83 ± 0.94 |
0.48 ± 0.15 |
| RH8 |
61.4 ± 5.6 |
8.4 ± 1.1 |
10.7 ± 2.1 |
136.2 ± 12.9 |
7.44 ± 1.31 |
0.45 ± 0.06 |
| RH9 |
61.2 ± 5.5 |
8.8 ± 1.2 |
11.2 ± 2.1 |
136.2 ± 12.9 |
7.11 ± 1.23 |
0.45 ± 0.06 |
| RH10 |
61.4 ± 5.6 |
8.4 ± 1.1 |
10.7 ± 2.1 |
136.2 ± 12.9 |
7.44 ± 1.31 |
0.45 ± 0.06 |
| Average |
62.8 |
15.5 |
19.6 |
135.4 |
5.1 |
0.5 |
| Median |
63.5 |
18.0 |
22.8 |
136.2 |
6.9 |
0.5 |
| Deviation |
1.3 |
7.7 |
9.6 |
1.0 |
2.3 |
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)
| 
