Database: Ace Shock Analysis
Event ID: 20023302110
Observation time: 11/26/2002 330.88206 2110 [UT]
|
|
General
Information (About, Top)
| Year |
2002 |
| Fractional day of year |
330.882060 |
| Arrival time of shock [seconds of day] |
76210.0 ± 16.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
0.037 |
| Y GSE location of spacecraft [Re] |
0.005 |
| Z GSE location of spacecraft [Re] |
-0.001 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0038 |
| Downstream plasma points selected for analysis |
0010
|
| Downstream field points selected for analysis |
0039 |
| Minimum chisq/dof for RH8,RH9,RH10 |
6.62, 11.76, 12.08 |
Event added to database
|
Sun May 1 22:50:47 2005
|
Event last processed
|
Tue May 3 14:38:03 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] |
-393.8 ± 5.9 |
-529.5 ± 11.1 |
| Vy GSE [km/s] |
-19.2 ± 4.6 |
-77.2 ± 4.9 |
| Vz GSE [km/s] |
11.1 ± 6.8 |
34.4 ± 14.7 |
| Wi [km/s] |
38.0 ± 2.3 |
67.6 ± 2.7 |
| We [km/s] |
1202.6 ± 73.5 |
2138.3 ± 84.9 |
| Ni [n/cc] |
7.4 ± 0.9 |
19.7 ± 2.3 |
| Bx GSE [nT] |
-7.0 ± 0.3 |
-14.7 ± 0.6 |
| By GSE [nT] |
6.0 ± 0.8 |
21.4 ± 1.3 |
| Bz GSE [nT] |
-4.3 ± 0.2 |
-12.1 ± 1.7 |
Plasma Beta
|
0.220 ± 0.230
|
0.231 ± 0.232
|
Sound Speed [km/s]
|
49.10 ± 3.00
|
87.29 ± 3.47
|
Alfven Speed [km/s]
|
82.11 ± 7.35
|
141.79 ± 9.63
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.893 ± 0.051 |
-0.445 ± 0.097 |
-0.068 ± 0.068 |
-3.91 ± 15.23 |
206.51 ± 6.22 |
| VC |
-0.907 ± 0.025 |
-0.389 ± 0.046 |
0.161 ± 0.159 |
9.25 ± 6.25 |
203.23 ± 2.86 |
| MX1 |
-0.916 ± 0.024 |
-0.373 ± 0.052 |
0.149 ± 0.148 |
8.57 ± 4.87 |
202.17 ± 3.27 |
| MX2 |
-0.916 ± 0.025 |
-0.372 ± 0.053 |
0.151 ± 0.150 |
8.69 ± 4.99 |
202.11 ± 3.30 |
| MX3 |
-0.916 ± 0.025 |
-0.372 ± 0.053 |
0.152 ± 0.151 |
8.76 ± 5.06 |
202.08 ± 3.31 |
| RH08 |
-0.908 ± 0.004 |
-0.359 ± 0.009 |
0.218 ± 0.214 |
12.58 ± 0.55 |
201.56 ± 0.55 |
| RH09 |
-0.906 ± 0.029 |
-0.322 ± 0.065 |
0.274 ± 0.267 |
15.89 ± 3.97 |
199.55 ± 4.08 |
| RH10 |
-0.906 ± 0.029 |
-0.322 ± 0.065 |
0.274 ± 0.267 |
15.89 ± 3.97 |
199.55 ± 4.10 |
| Average |
-0.908 |
-0.369 |
0.164 |
9.466 |
202.097 |
| Median |
-0.907 |
-0.372 |
0.161 |
9.250 |
202.115 |
| Deviation |
0.008 |
0.039 |
0.108 |
6.244 |
2.204 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
67.2 ± 3.2 |
600.4 ± 28.1 |
2.63 ± 0.29 |
| VC |
70.5 ± 2.9 |
610.9 ± 26.1 |
2.63 ± 0.29 |
| MX1 |
69.3 ± 2.9 |
614.2 ± 26.2 |
2.63 ± 0.29 |
| MX2 |
69.3 ± 2.9 |
614.2 ± 26.2 |
2.63 ± 0.29 |
| MX3 |
69.3 ± 2.9 |
614.2 ± 26.2 |
2.63 ± 0.29 |
| RH08 |
70.9 ± 2.7 |
610.4 ± 25.5 |
2.63 ± 0.29 |
| RH09 |
71.1 ± 2.6 |
608.1 ± 24.8 |
2.63 ± 0.29 |
| RH10 |
71.1 ± 2.6 |
608.1 ± 24.8 |
2.63 ± 0.29 |
| Average |
69.8 |
610.1 |
2.63 |
| Median |
70.5 |
610.9 |
2.63 |
| Deviation |
1.3 |
4.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
241.1 ± 6.4 |
16.5 ± 0.8 |
31.8 ± 2.8 |
94.3 ± 6.2 |
14.64 ± 0.75 |
2.57 ± 0.22 |
| VC |
244.5 ± 5.9 |
14.1 ± 0.7 |
27.4 ± 2.4 |
94.7 ± 6.2 |
17.31 ± 0.81 |
2.59 ± 0.21 |
| MX1 |
244.8 ± 5.9 |
15.0 ± 0.7 |
29.0 ± 2.6 |
94.6 ± 6.2 |
16.31 ± 0.77 |
2.60 ± 0.21 |
| MX2 |
244.8 ± 5.9 |
15.0 ± 0.7 |
29.0 ± 2.6 |
94.6 ± 6.2 |
16.32 ± 0.77 |
2.60 ± 0.21 |
| MX3 |
244.7 ± 5.9 |
15.0 ± 0.7 |
29.0 ± 2.6 |
94.6 ± 6.2 |
16.32 ± 0.77 |
2.60 ± 0.21 |
| RH8 |
243.6 ± 5.8 |
13.9 ± 0.6 |
26.9 ± 2.4 |
94.8 ± 6.2 |
17.56 ± 0.81 |
2.58 ± 0.21 |
| RH9 |
242.0 ± 5.7 |
13.8 ± 0.6 |
26.6 ± 2.4 |
94.8 ± 6.2 |
17.60 ± 0.80 |
2.56 ± 0.21 |
| RH10 |
242.0 ± 5.7 |
13.8 ± 0.6 |
26.6 ± 2.4 |
94.8 ± 6.2 |
17.60 ± 0.80 |
2.56 ± 0.21 |
| Average |
243.4 |
14.6 |
28.3 |
94.6 |
16.7 |
2.6 |
| Median |
244.5 |
15.0 |
29.0 |
94.7 |
17.3 |
2.6 |
| Deviation |
1.5 |
0.9 |
1.8 |
0.2 |
1.0 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
95.7 ± 10.8 |
29.2 ± 0.9 |
54.9 ± 3.7 |
164.0 ± 8.2 |
3.28 ± 0.36 |
0.58 ± 0.07 |
| VC |
95.1 ± 8.2 |
25.0 ± 0.8 |
47.2 ± 3.2 |
164.7 ± 8.2 |
3.80 ± 0.31 |
0.58 ± 0.05 |
| MX1 |
95.4 ± 8.4 |
26.6 ± 0.9 |
50.1 ± 3.4 |
164.5 ± 8.2 |
3.59 ± 0.30 |
0.58 ± 0.05 |
| MX2 |
95.4 ± 8.4 |
26.6 ± 0.9 |
50.1 ± 3.4 |
164.5 ± 8.2 |
3.59 ± 0.30 |
0.58 ± 0.05 |
| MX3 |
95.4 ± 8.4 |
26.5 ± 0.9 |
50.1 ± 3.4 |
164.5 ± 8.2 |
3.59 ± 0.29 |
0.58 ± 0.05 |
| RH8 |
94.6 ± 7.6 |
24.6 ± 0.8 |
46.4 ± 3.2 |
164.8 ± 8.2 |
3.85 ± 0.28 |
0.57 ± 0.05 |
| RH9 |
93.9 ± 7.1 |
24.3 ± 0.8 |
46.0 ± 3.1 |
164.8 ± 8.2 |
3.86 ± 0.26 |
0.57 ± 0.04 |
| RH10 |
93.9 ± 7.1 |
24.3 ± 0.8 |
46.0 ± 3.1 |
164.8 ± 8.2 |
3.86 ± 0.26 |
0.57 ± 0.04 |
| Average |
94.9 |
25.9 |
48.9 |
164.6 |
3.7 |
0.6 |
| Median |
95.4 |
26.5 |
50.1 |
164.7 |
3.8 |
0.6 |
| Deviation |
0.7 |
1.7 |
3.1 |
0.3 |
0.2 |
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)
| 
