Database: Ace Shock Analysis
Event ID: 20003090135
Observation time: 11/04/2000 309.06600 0135 [UT]
|
|
General
Information (About, Top)
| Year |
2000 |
| Fractional day of year |
309.065995 |
| Arrival time of shock [seconds of day] |
5702.0 ± 16.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
0.034 |
| Y GSE location of spacecraft [Re] |
0.002 |
| Z GSE location of spacecraft [Re] |
-0.004 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0037 |
| Downstream plasma points selected for analysis |
0009
|
| Downstream field points selected for analysis |
0038 |
| Minimum chisq/dof for RH8,RH9,RH10 |
3.85, 7.40, 7.62 |
Event added to database
|
Sat Apr 30 21:48:10 2005
|
Event last processed
|
Tue May 3 13:38:31 2005
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
0.008 ± 0.001
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-357.2 ± 1.1 |
-409.2 ± 2.6 |
| Vy GSE [km/s] |
-34.4 ± 2.9 |
-55.2 ± 2.7 |
| Vz GSE [km/s] |
4.7 ± 1.9 |
42.1 ± 3.0 |
| Wi [km/s] |
26.7 ± 1.2 |
34.1 ± 1.5 |
| We [km/s] |
844.2 ± 39.0 |
1077.1 ± 46.0 |
| Ni [n/cc] |
13.2 ± 0.7 |
48.4 ± 3.6 |
| Bx GSE [nT] |
5.8 ± 0.3 |
10.6 ± 1.6 |
| By GSE [nT] |
-3.4 ± 0.5 |
-13.8 ± 3.4 |
| Bz GSE [nT] |
5.2 ± 0.3 |
5.5 ± 3.8 |
Plasma Beta
|
0.275 ± 0.268
|
0.331 ± 0.337
|
Sound Speed [km/s]
|
34.46 ± 1.59
|
43.97 ± 1.88
|
Alfven Speed [km/s]
|
51.05 ± 2.81
|
59.37 ± 2.58
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.756 ± 0.349 |
-0.218 ± 0.464 |
-0.617 ± 0.523 |
-38.12 ± 31.29 |
196.09 ± 34.41 |
| VC |
-0.773 ± 0.037 |
-0.308 ± 0.050 |
0.554 ± 0.489 |
33.67 ± 3.56 |
201.71 ± 3.60 |
| MX1 |
-0.747 ± 0.061 |
-0.326 ± 0.047 |
0.579 ± 0.504 |
35.39 ± 6.35 |
203.55 ± 3.00 |
| MX2 |
-0.758 ± 0.039 |
-0.325 ± 0.034 |
0.566 ± 0.496 |
34.46 ± 4.09 |
203.25 ± 2.28 |
| MX3 |
-0.761 ± 0.036 |
-0.326 ± 0.033 |
0.561 ± 0.493 |
34.16 ± 3.69 |
203.20 ± 2.25 |
| RH08 |
-0.799 ± 0.014 |
-0.207 ± 0.010 |
0.564 ± 0.495 |
34.35 ± 1.43 |
194.54 ± 0.71 |
| RH09 |
-0.817 ± 0.040 |
-0.197 ± 0.069 |
0.542 ± 0.481 |
32.81 ± 4.01 |
193.54 ± 4.78 |
| RH10 |
-0.817 ± 0.040 |
-0.197 ± 0.069 |
0.542 ± 0.481 |
32.81 ± 4.01 |
193.54 ± 4.78 |
| Average |
-0.778 |
-0.263 |
0.411 |
24.943 |
198.677 |
| Median |
-0.761 |
-0.218 |
0.561 |
34.159 |
201.710 |
| Deviation |
0.028 |
0.063 |
0.416 |
25.495 |
4.643 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
36.3 ± 3.6 |
304.7 ± 4.7 |
3.68 ± 0.36 |
| VC |
86.2 ± 1.4 |
382.3 ± 3.7 |
3.68 ± 0.36 |
| MX1 |
88.5 ± 1.4 |
373.6 ± 3.8 |
3.68 ± 0.36 |
| MX2 |
87.6 ± 1.4 |
377.2 ± 3.8 |
3.68 ± 0.36 |
| MX3 |
87.4 ± 1.4 |
378.3 ± 3.8 |
3.68 ± 0.36 |
| RH08 |
83.2 ± 1.3 |
387.5 ± 3.6 |
3.68 ± 0.36 |
| RH09 |
81.5 ± 1.3 |
393.3 ± 3.6 |
3.68 ± 0.36 |
| RH10 |
81.5 ± 1.3 |
393.3 ± 3.6 |
3.68 ± 0.36 |
| Average |
79.0 |
373.8 |
3.68 |
| Median |
86.2 |
382.3 |
3.68 |
| Deviation |
17.5 |
28.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
30.0 ± 2.2 |
25.2 ± 1.1 |
41.2 ± 2.3 |
56.2 ± 2.8 |
1.19 ± 0.12 |
0.54 ± 0.06 |
| VC |
92.9 ± 0.7 |
1.9 ± 0.1 |
3.4 ± 0.2 |
61.6 ± 3.0 |
49.14 ± 2.39 |
1.51 ± 0.08 |
| MX1 |
92.7 ± 0.7 |
0.8 ± 0.0 |
1.3 ± 0.1 |
61.6 ± 3.0 |
123.34 ± 6.01 |
1.51 ± 0.08 |
| MX2 |
92.8 ± 0.7 |
1.2 ± 0.1 |
2.1 ± 0.1 |
61.6 ± 3.0 |
78.31 ± 3.83 |
1.51 ± 0.08 |
| MX3 |
92.8 ± 0.7 |
1.3 ± 0.1 |
2.4 ± 0.1 |
61.6 ± 3.0 |
70.57 ± 3.45 |
1.51 ± 0.08 |
| RH8 |
92.2 ± 0.7 |
3.4 ± 0.2 |
6.0 ± 0.3 |
61.5 ± 3.0 |
27.37 ± 1.27 |
1.50 ± 0.07 |
| RH9 |
92.1 ± 0.8 |
4.2 ± 0.2 |
7.6 ± 0.4 |
61.5 ± 3.0 |
21.77 ± 1.01 |
1.50 ± 0.07 |
| RH10 |
92.1 ± 0.8 |
4.2 ± 0.2 |
7.6 ± 0.4 |
61.5 ± 3.0 |
21.77 ± 1.01 |
1.50 ± 0.07 |
| Average |
84.7 |
5.3 |
8.9 |
60.9 |
49.2 |
1.4 |
| Median |
92.7 |
3.4 |
6.0 |
61.6 |
49.1 |
1.5 |
| Deviation |
22.1 |
8.2 |
13.3 |
1.9 |
39.8 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
9.2 ± 3.5 |
31.5 ± 1.1 |
47.9 ± 2.1 |
66.9 ± 2.3 |
0.30 ± 0.12 |
0.14 ± 0.05 |
| VC |
25.5 ± 1.9 |
2.3 ± 0.1 |
3.9 ± 0.2 |
73.9 ± 2.4 |
10.92 ± 1.07 |
0.35 ± 0.03 |
| MX1 |
25.4 ± 1.8 |
0.9 ± 0.0 |
1.6 ± 0.1 |
73.9 ± 2.4 |
27.37 ± 2.63 |
0.34 ± 0.03 |
| MX2 |
25.5 ± 1.8 |
1.5 ± 0.0 |
2.5 ± 0.1 |
73.9 ± 2.4 |
17.39 ± 1.68 |
0.35 ± 0.03 |
| MX3 |
25.5 ± 1.8 |
1.6 ± 0.1 |
2.7 ± 0.1 |
73.9 ± 2.4 |
15.67 ± 1.52 |
0.35 ± 0.03 |
| RH8 |
25.3 ± 1.9 |
4.2 ± 0.1 |
7.0 ± 0.3 |
73.8 ± 2.4 |
6.06 ± 0.62 |
0.34 ± 0.03 |
| RH9 |
25.3 ± 2.0 |
5.2 ± 0.2 |
8.8 ± 0.4 |
73.7 ± 2.4 |
4.83 ± 0.50 |
0.34 ± 0.03 |
| RH10 |
25.3 ± 2.0 |
5.2 ± 0.2 |
8.8 ± 0.4 |
73.7 ± 2.4 |
4.83 ± 0.50 |
0.34 ± 0.03 |
| Average |
23.4 |
6.6 |
10.4 |
73.0 |
10.9 |
0.3 |
| Median |
25.4 |
4.2 |
7.0 |
73.9 |
10.9 |
0.3 |
| Deviation |
5.7 |
10.2 |
15.4 |
2.5 |
8.8 |
0.1 |
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)
| 
