Database: Ace Shock Analysis
Event ID: 20022132219
Observation time: 08/01/2002 213.93023 2219 [UT]
|
|
General
Information (About, Top)
| Year |
2002 |
| Fractional day of year |
213.930231 |
| Arrival time of shock [seconds of day] |
80372.0 ± 16.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
0.038 |
| Y GSE location of spacecraft [Re] |
-0.006 |
| Z GSE location of spacecraft [Re] |
0.004 |
| Upstream plasma points selected for analysis |
0006 |
| Upstream field points selected for analysis |
0030 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0029 |
| Minimum chisq/dof for RH8,RH9,RH10 |
3.67, 77.04, 79.64 |
Event added to database
|
Sun May 1 22:35:29 2005
|
Event last processed
|
Tue May 3 14:33:16 2005
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
0.008 ± 0.000
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-430.1 ± 1.5 |
-458.9 ± 2.0 |
| Vy GSE [km/s] |
-0.6 ± 1.4 |
6.1 ± 1.5 |
| Vz GSE [km/s] |
3.3 ± 1.2 |
-5.4 ± 2.7 |
| Wi [km/s] |
16.0 ± 1.0 |
28.8 ± 0.6 |
| We [km/s] |
504.4 ± 32.5 |
910.3 ± 17.5 |
| Ni [n/cc] |
9.2 ± 0.8 |
16.6 ± 0.9 |
| Bx GSE [nT] |
-3.1 ± 0.1 |
-2.2 ± 0.4 |
| By GSE [nT] |
-7.0 ± 0.2 |
-13.1 ± 0.3 |
| Bz GSE [nT] |
2.4 ± 0.2 |
4.5 ± 1.3 |
Plasma Beta
|
0.076 ± 0.081
|
0.146 ± 0.145
|
Sound Speed [km/s]
|
20.59 ± 1.33
|
37.16 ± 0.72
|
Alfven Speed [km/s]
|
58.16 ± 2.90
|
75.50 ± 2.79
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.983 ± 0.030 |
-0.167 ± 0.135 |
0.078 ± 0.077 |
4.45 ± 14.33 |
189.62 ± 7.86 |
| VC |
-0.934 ± 0.032 |
0.216 ± 0.059 |
-0.285 ± 0.277 |
-16.54 ± 5.93 |
167.00 ± 3.61 |
| MX1 |
-0.977 ± 0.015 |
-0.171 ± 0.048 |
-0.127 ± 0.126 |
-7.29 ± 5.52 |
189.90 ± 2.83 |
| MX2 |
-0.975 ± 0.021 |
-0.168 ± 0.044 |
-0.147 ± 0.146 |
-8.48 ± 7.70 |
189.81 ± 2.59 |
| MX3 |
-0.971 ± 0.033 |
-0.166 ± 0.047 |
-0.174 ± 0.173 |
-10.05 ± 10.70 |
189.72 ± 2.76 |
| RH08 |
-0.992 ± 0.002 |
-0.113 ± 0.014 |
-0.050 ± 0.050 |
-2.88 ± 1.32 |
186.52 ± 0.81 |
| RH09 |
-0.985 ± 0.012 |
-0.060 ± 0.070 |
-0.162 ± 0.161 |
-9.32 ± 4.03 |
183.51 ± 4.07 |
| RH10 |
-0.985 ± 0.012 |
-0.060 ± 0.070 |
-0.162 ± 0.161 |
-9.32 ± 4.03 |
183.51 ± 4.07 |
| Average |
-0.975 |
-0.086 |
-0.129 |
-7.428 |
184.949 |
| Median |
-0.977 |
-0.113 |
-0.147 |
-8.481 |
189.619 |
| Deviation |
0.018 |
0.131 |
0.105 |
6.094 |
7.759 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
56.7 ± 1.2 |
482.7 ± 8.0 |
1.82 ± 0.15 |
| VC |
84.9 ± 1.1 |
469.9 ± 9.2 |
1.82 ± 0.15 |
| MX1 |
60.7 ± 1.1 |
483.4 ± 8.1 |
1.82 ± 0.15 |
| MX2 |
61.3 ± 1.1 |
482.4 ± 8.1 |
1.82 ± 0.15 |
| MX3 |
62.1 ± 1.1 |
480.8 ± 8.1 |
1.82 ± 0.15 |
| RH08 |
62.1 ± 1.2 |
490.3 ± 8.3 |
1.82 ± 0.15 |
| RH09 |
67.3 ± 1.1 |
489.7 ± 8.5 |
1.82 ± 0.15 |
| RH10 |
67.3 ± 1.1 |
489.7 ± 8.5 |
1.82 ± 0.15 |
| Average |
65.3 |
483.6 |
1.82 |
| Median |
62.1 |
483.4 |
1.82 |
| Deviation |
8.7 |
6.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
59.6 ± 1.6 |
10.8 ± 0.7 |
31.9 ± 1.6 |
60.8 ± 2.9 |
5.52 ± 0.26 |
0.98 ± 0.04 |
| VC |
69.3 ± 1.3 |
1.7 ± 0.1 |
5.1 ± 0.3 |
61.7 ± 2.9 |
40.47 ± 2.31 |
1.13 ± 0.06 |
| MX1 |
63.5 ± 1.5 |
9.6 ± 0.6 |
28.4 ± 1.4 |
61.0 ± 2.9 |
6.63 ± 0.33 |
1.04 ± 0.05 |
| MX2 |
63.7 ± 1.4 |
9.4 ± 0.6 |
27.9 ± 1.4 |
61.0 ± 2.9 |
6.77 ± 0.34 |
1.05 ± 0.05 |
| MX3 |
63.9 ± 1.4 |
9.2 ± 0.6 |
27.2 ± 1.4 |
61.0 ± 2.9 |
6.96 ± 0.36 |
1.05 ± 0.05 |
| RH8 |
63.7 ± 1.5 |
9.2 ± 0.6 |
27.2 ± 1.4 |
61.0 ± 2.9 |
6.95 ± 0.35 |
1.05 ± 0.05 |
| RH9 |
66.6 ± 1.4 |
7.5 ± 0.5 |
22.4 ± 1.1 |
61.2 ± 2.9 |
8.86 ± 0.46 |
1.09 ± 0.05 |
| RH10 |
66.6 ± 1.4 |
7.5 ± 0.5 |
22.4 ± 1.1 |
61.2 ± 2.9 |
8.86 ± 0.46 |
1.09 ± 0.05 |
| Average |
64.6 |
8.1 |
24.1 |
61.1 |
11.4 |
1.1 |
| Median |
63.9 |
9.2 |
27.2 |
61.0 |
7.0 |
1.0 |
| Deviation |
2.9 |
2.8 |
8.3 |
0.3 |
11.8 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
33.1 ± 2.0 |
18.8 ± 0.3 |
41.5 ± 1.5 |
82.0 ± 2.6 |
1.76 ± 0.12 |
0.40 ± 0.03 |
| VC |
38.5 ± 1.5 |
3.0 ± 0.1 |
6.7 ± 0.2 |
84.1 ± 2.6 |
13.04 ± 0.53 |
0.46 ± 0.03 |
| MX1 |
35.4 ± 1.5 |
16.6 ± 0.3 |
36.9 ± 1.4 |
82.5 ± 2.6 |
2.13 ± 0.10 |
0.43 ± 0.03 |
| MX2 |
35.5 ± 1.5 |
16.3 ± 0.3 |
36.2 ± 1.3 |
82.6 ± 2.6 |
2.17 ± 0.10 |
0.43 ± 0.03 |
| MX3 |
35.5 ± 1.4 |
15.9 ± 0.3 |
35.4 ± 1.3 |
82.6 ± 2.6 |
2.23 ± 0.10 |
0.43 ± 0.02 |
| RH8 |
35.4 ± 1.8 |
15.9 ± 0.3 |
35.3 ± 1.3 |
82.7 ± 2.6 |
2.23 ± 0.12 |
0.43 ± 0.03 |
| RH9 |
37.2 ± 1.6 |
13.0 ± 0.2 |
29.1 ± 1.1 |
83.2 ± 2.6 |
2.86 ± 0.13 |
0.45 ± 0.03 |
| RH10 |
37.2 ± 1.6 |
13.0 ± 0.2 |
29.1 ± 1.1 |
83.2 ± 2.6 |
2.86 ± 0.13 |
0.45 ± 0.03 |
| Average |
36.0 |
14.1 |
31.3 |
82.9 |
3.7 |
0.4 |
| Median |
35.5 |
15.9 |
35.4 |
82.7 |
2.2 |
0.4 |
| Deviation |
1.6 |
4.9 |
10.7 |
0.6 |
3.8 |
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)
| 
