Database: Ace Shock Analysis
Event ID: 20003160401
Observation time: 11/11/2000 316.16747 0401 [UT]
|
|
General
Information (About, Top)
| Year |
2000 |
| Fractional day of year |
316.167465 |
| Arrival time of shock [seconds of day] |
14469.0 ± 32.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
0.034 |
| Y GSE location of spacecraft [Re] |
0.003 |
| Z GSE location of spacecraft [Re] |
-0.004 |
| Upstream plasma points selected for analysis |
0010 |
| Upstream field points selected for analysis |
0038 |
| Downstream plasma points selected for analysis |
0010
|
| Downstream field points selected for analysis |
0042 |
| Minimum chisq/dof for RH8,RH9,RH10 |
1.77, 2.44, 2.47 |
Event added to database
|
Sat Apr 30 21:48:21 2005
|
Event last processed
|
Tue May 3 13:40:54 2005
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
0.004 ± 0.000
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-749.4 ± 10.2 |
-861.4 ± 16.3 |
| Vy GSE [km/s] |
1.8 ± 16.9 |
24.0 ± 44.3 |
| Vz GSE [km/s] |
-6.1 ± 33.2 |
46.4 ± 14.3 |
| Wi [km/s] |
43.5 ± 5.8 |
89.2 ± 6.5 |
| We [km/s] |
1377.1 ± 183.5 |
2822.2 ± 206.0 |
| Ni [n/cc] |
1.1 ± 0.1 |
2.7 ± 0.3 |
| Bx GSE [nT] |
4.6 ± 0.6 |
5.4 ± 1.6 |
| By GSE [nT] |
-1.5 ± 0.9 |
-3.8 ± 3.0 |
| Bz GSE [nT] |
0.7 ± 1.5 |
5.4 ± 1.6 |
Plasma Beta
|
0.164 ± 0.157
|
0.531 ± 0.536
|
Sound Speed [km/s]
|
56.22 ± 7.49
|
115.22 ± 8.41
|
Alfven Speed [km/s]
|
109.04 ± 6.28
|
124.00 ± 9.39
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.965 ± 0.097 |
0.227 ± 0.389 |
0.129 ± 0.129 |
7.44 ± 14.64 |
166.74 ± 23.06 |
| VC |
-0.911 ± 0.105 |
0.182 ± 0.325 |
0.369 ± 0.351 |
21.65 ± 13.02 |
168.69 ± 20.40 |
| MX1 |
-0.951 ± 0.101 |
0.227 ± 0.330 |
0.211 ± 0.208 |
12.19 ± 17.52 |
166.55 ± 19.85 |
| MX2 |
-0.932 ± 0.094 |
0.266 ± 0.262 |
0.247 ± 0.242 |
14.31 ± 13.65 |
164.10 ± 16.06 |
| MX3 |
-0.929 ± 0.098 |
0.265 ± 0.281 |
0.257 ± 0.251 |
14.87 ± 12.95 |
164.06 ± 17.32 |
| RH08 |
-0.983 ± 0.004 |
0.183 ± 0.022 |
0.028 ± 0.028 |
1.60 ± 1.10 |
169.47 ± 1.30 |
| RH09 |
-0.972 ± 0.016 |
0.234 ± 0.066 |
0.017 ± 0.017 |
0.96 ± 4.05 |
166.46 ± 3.91 |
| RH10 |
-0.972 ± 0.016 |
0.234 ± 0.066 |
0.017 ± 0.017 |
0.96 ± 4.05 |
166.46 ± 3.91 |
| Average |
-0.952 |
0.227 |
0.159 |
9.249 |
166.567 |
| Median |
-0.951 |
0.234 |
0.211 |
12.189 |
166.552 |
| Deviation |
0.025 |
0.032 |
0.132 |
7.737 |
1.903 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
22.9 ± 11.1 |
929.1 ± 23.3 |
2.51 ± 0.24 |
| VC |
33.0 ± 14.0 |
894.5 ± 27.9 |
2.51 ± 0.24 |
| MX1 |
25.7 ± 12.1 |
921.0 ± 24.6 |
2.51 ± 0.24 |
| MX2 |
26.8 ± 12.6 |
908.4 ± 24.6 |
2.51 ± 0.24 |
| MX3 |
27.2 ± 12.7 |
907.0 ± 24.8 |
2.51 ± 0.24 |
| RH08 |
21.1 ± 9.7 |
934.9 ± 23.1 |
2.51 ± 0.24 |
| RH09 |
20.2 ± 9.2 |
925.2 ± 21.3 |
2.51 ± 0.24 |
| RH10 |
20.2 ± 9.2 |
925.2 ± 21.3 |
2.51 ± 0.24 |
| Average |
24.6 |
918.2 |
2.51 |
| Median |
25.7 |
925.2 |
2.51 |
| Deviation |
4.4 |
13.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
206.2 ± 12.9 |
50.4 ± 6.1 |
100.5 ± 5.8 |
111.9 ± 6.0 |
4.16 ± 0.65 |
1.85 ± 0.17 |
| VC |
213.4 ± 19.1 |
44.9 ± 5.2 |
91.4 ± 5.3 |
114.3 ± 6.0 |
4.84 ± 0.83 |
1.88 ± 0.23 |
| MX1 |
209.4 ± 15.0 |
49.0 ± 5.9 |
98.3 ± 5.7 |
112.6 ± 6.0 |
4.35 ± 0.70 |
1.87 ± 0.19 |
| MX2 |
211.1 ± 16.1 |
48.4 ± 5.8 |
97.3 ± 5.6 |
112.8 ± 6.0 |
4.44 ± 0.72 |
1.88 ± 0.21 |
| MX3 |
211.6 ± 16.4 |
48.2 ± 5.7 |
97.0 ± 5.6 |
112.9 ± 6.0 |
4.46 ± 0.73 |
1.88 ± 0.21 |
| RH8 |
198.2 ± 10.5 |
51.2 ± 6.3 |
101.7 ± 5.9 |
111.6 ± 6.1 |
3.94 ± 0.59 |
1.78 ± 0.14 |
| RH9 |
196.4 ± 10.3 |
51.6 ± 6.4 |
102.4 ± 5.9 |
111.4 ± 6.1 |
3.87 ± 0.57 |
1.77 ± 0.14 |
| RH10 |
196.4 ± 10.3 |
51.6 ± 6.4 |
102.4 ± 5.9 |
111.4 ± 6.1 |
3.87 ± 0.57 |
1.77 ± 0.14 |
| Average |
205.3 |
49.4 |
98.9 |
112.4 |
4.2 |
1.8 |
| Median |
209.4 |
50.4 |
100.5 |
112.6 |
4.3 |
1.9 |
| Deviation |
7.2 |
2.3 |
3.7 |
1.0 |
0.3 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
86.3 ± 13.6 |
92.3 ± 4.9 |
114.3 ± 8.7 |
142.1 ± 6.5 |
0.94 ± 0.16 |
0.61 ± 0.10 |
| VC |
87.9 ± 15.1 |
79.9 ± 4.1 |
104.0 ± 7.9 |
149.5 ± 6.8 |
1.10 ± 0.20 |
0.59 ± 0.11 |
| MX1 |
86.8 ± 14.2 |
89.0 ± 4.7 |
111.7 ± 8.5 |
144.3 ± 6.6 |
0.98 ± 0.17 |
0.60 ± 0.11 |
| MX2 |
87.8 ± 14.7 |
87.6 ± 4.6 |
110.7 ± 8.4 |
145.1 ± 6.6 |
1.01 ± 0.18 |
0.61 ± 0.11 |
| MX3 |
88.1 ± 14.8 |
87.1 ± 4.5 |
110.3 ± 8.3 |
145.4 ± 6.6 |
1.01 ± 0.18 |
0.61 ± 0.11 |
| RH8 |
82.6 ± 13.0 |
94.4 ± 5.1 |
115.7 ± 8.8 |
140.8 ± 6.5 |
0.88 ± 0.15 |
0.59 ± 0.10 |
| RH9 |
81.5 ± 12.7 |
95.5 ± 5.1 |
116.4 ± 8.8 |
140.1 ± 6.4 |
0.86 ± 0.14 |
0.58 ± 0.10 |
| RH10 |
81.5 ± 12.7 |
95.5 ± 5.1 |
116.4 ± 8.8 |
140.1 ± 6.4 |
0.86 ± 0.14 |
0.58 ± 0.10 |
| Average |
85.3 |
90.2 |
112.4 |
143.4 |
1.0 |
0.6 |
| Median |
86.8 |
92.3 |
114.3 |
144.3 |
1.0 |
0.6 |
| Deviation |
3.0 |
5.4 |
4.2 |
3.3 |
0.1 |
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)
| 
