Database: Ace Shock Analysis
Event ID: 20003330457
Observation time: 11/28/2000 333.20650 0457 [UT]
|
|
General
Information (About, Top)
| Year |
2000 |
| Fractional day of year |
333.206505 |
| Arrival time of shock [seconds of day] |
17842.0 ± 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] |
-0.002 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0043 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0038 |
| Minimum chisq/dof for RH8,RH9,RH10 |
12.80, 16.32, 16.63 |
Event added to database
|
Sat Apr 30 21:48:32 2005
|
Event last processed
|
Tue May 3 13:43:17 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] |
-525.1 ± 2.9 |
-567.3 ± 5.8 |
| Vy GSE [km/s] |
15.7 ± 2.0 |
27.9 ± 3.9 |
| Vz GSE [km/s] |
4.3 ± 4.2 |
-36.0 ± 4.6 |
| Wi [km/s] |
38.0 ± 1.6 |
41.2 ± 1.6 |
| We [km/s] |
1201.4 ± 49.5 |
1302.1 ± 49.5 |
| Ni [n/cc] |
7.4 ± 0.9 |
12.8 ± 0.3 |
| Bx GSE [nT] |
3.3 ± 0.6 |
7.1 ± 0.7 |
| By GSE [nT] |
3.7 ± 0.6 |
8.9 ± 0.6 |
| Bz GSE [nT] |
-0.9 ± 1.6 |
-5.8 ± 0.8 |
Plasma Beta
|
0.881 ± 0.757
|
0.280 ± 0.283
|
Sound Speed [km/s]
|
49.05 ± 2.02
|
53.16 ± 2.02
|
Alfven Speed [km/s]
|
42.91 ± 7.67
|
77.95 ± 1.78
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.622 ± 0.340 |
-0.414 ± 0.406 |
-0.665 ± 0.543 |
-41.67 ± 23.89 |
213.68 ± 34.61 |
| VC |
-0.709 ± 0.072 |
0.204 ± 0.067 |
-0.675 ± 0.547 |
-42.47 ± 6.15 |
163.94 ± 5.17 |
| MX1 |
-0.805 ± 0.060 |
0.003 ± 0.216 |
-0.594 ± 0.512 |
-36.43 ± 5.75 |
179.78 ± 15.37 |
| MX2 |
-0.821 ± 0.056 |
0.063 ± 0.158 |
-0.567 ± 0.497 |
-34.55 ± 5.53 |
175.59 ± 11.03 |
| MX3 |
-0.829 ± 0.057 |
0.090 ± 0.145 |
-0.551 ± 0.487 |
-33.46 ± 5.69 |
173.78 ± 9.99 |
| RH08 |
-0.965 ± 0.004 |
0.076 ± 0.013 |
-0.251 ± 0.246 |
-14.56 ± 0.86 |
175.49 ± 0.75 |
| RH09 |
-0.985 ± 0.012 |
0.060 ± 0.070 |
-0.162 ± 0.161 |
-9.32 ± 4.01 |
176.49 ± 4.05 |
| RH10 |
-0.985 ± 0.012 |
0.060 ± 0.070 |
-0.162 ± 0.161 |
-9.32 ± 4.03 |
176.49 ± 4.07 |
| Average |
-0.840 |
0.018 |
-0.453 |
-27.723 |
179.405 |
| Median |
-0.821 |
0.063 |
-0.551 |
-33.456 |
176.490 |
| Deviation |
0.133 |
0.184 |
0.223 |
14.231 |
14.602 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
54.2 ± 16.1 |
431.7 ± 22.5 |
1.70 ± 0.15 |
| VC |
78.9 ± 11.1 |
513.3 ± 26.3 |
1.70 ± 0.15 |
| MX1 |
65.7 ± 11.4 |
556.6 ± 25.5 |
1.70 ± 0.15 |
| MX2 |
67.5 ± 10.6 |
566.7 ± 25.5 |
1.70 ± 0.15 |
| MX3 |
68.2 ± 10.2 |
572.0 ± 25.5 |
1.70 ± 0.15 |
| RH08 |
58.8 ± 6.8 |
627.8 ± 22.6 |
1.70 ± 0.15 |
| RH09 |
56.2 ± 6.2 |
631.7 ± 21.5 |
1.70 ± 0.15 |
| RH10 |
56.2 ± 6.2 |
631.7 ± 21.5 |
1.70 ± 0.15 |
| Average |
63.2 |
566.4 |
1.70 |
| Median |
65.7 |
572.0 |
1.70 |
| Deviation |
8.4 |
69.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
114.6 ± 3.5 |
19.6 ± 2.3 |
25.1 ± 4.5 |
62.4 ± 4.5 |
5.92 ± 0.67 |
1.84 ± 0.10 |
| VC |
140.8 ± 2.9 |
6.2 ± 0.7 |
8.3 ± 1.5 |
65.1 ± 4.9 |
23.09 ± 2.66 |
2.17 ± 0.14 |
| MX1 |
136.6 ± 3.0 |
13.4 ± 1.5 |
17.6 ± 3.2 |
64.0 ± 4.7 |
10.32 ± 1.17 |
2.14 ± 0.12 |
| MX2 |
136.9 ± 2.9 |
12.4 ± 1.4 |
16.4 ± 2.9 |
64.2 ± 4.8 |
11.12 ± 1.26 |
2.14 ± 0.12 |
| MX3 |
137.4 ± 2.8 |
12.1 ± 1.4 |
15.9 ± 2.9 |
64.3 ± 4.8 |
11.52 ± 1.30 |
2.14 ± 0.12 |
| RH8 |
121.1 ± 2.7 |
17.1 ± 2.0 |
22.2 ± 4.0 |
63.1 ± 4.6 |
7.15 ± 0.79 |
1.92 ± 0.10 |
| RH9 |
114.2 ± 2.7 |
18.5 ± 2.2 |
23.9 ± 4.3 |
62.7 ± 4.6 |
6.24 ± 0.68 |
1.83 ± 0.09 |
| RH10 |
114.2 ± 2.7 |
18.5 ± 2.2 |
23.9 ± 4.3 |
62.7 ± 4.6 |
6.24 ± 0.68 |
1.83 ± 0.09 |
| Average |
127.0 |
14.7 |
19.2 |
63.6 |
10.2 |
2.0 |
| Median |
136.6 |
17.1 |
22.2 |
64.0 |
10.3 |
2.1 |
| Deviation |
12.0 |
4.6 |
5.7 |
1.0 |
5.7 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
66.7 ± 5.1 |
26.8 ± 0.8 |
45.6 ± 1.0 |
90.5 ± 1.9 |
2.49 ± 0.19 |
0.74 ± 0.06 |
| VC |
81.2 ± 5.5 |
8.5 ± 0.2 |
15.0 ± 0.3 |
94.0 ± 2.0 |
9.58 ± 0.55 |
0.86 ± 0.06 |
| MX1 |
78.7 ± 5.6 |
18.4 ± 0.5 |
32.0 ± 0.7 |
92.6 ± 1.9 |
4.28 ± 0.26 |
0.85 ± 0.06 |
| MX2 |
78.6 ± 5.6 |
17.1 ± 0.5 |
29.8 ± 0.7 |
92.8 ± 1.9 |
4.60 ± 0.28 |
0.85 ± 0.06 |
| MX3 |
79.1 ± 5.7 |
16.6 ± 0.5 |
29.0 ± 0.7 |
92.9 ± 1.9 |
4.77 ± 0.28 |
0.85 ± 0.06 |
| RH8 |
69.3 ± 5.9 |
23.5 ± 0.7 |
40.4 ± 0.9 |
91.4 ± 1.9 |
2.95 ± 0.19 |
0.76 ± 0.06 |
| RH9 |
65.4 ± 5.9 |
25.4 ± 0.7 |
43.4 ± 1.0 |
90.9 ± 1.9 |
2.58 ± 0.18 |
0.72 ± 0.06 |
| RH10 |
65.4 ± 5.9 |
25.4 ± 0.7 |
43.4 ± 1.0 |
90.9 ± 1.9 |
2.58 ± 0.18 |
0.72 ± 0.06 |
| Average |
73.1 |
20.2 |
34.8 |
92.0 |
4.2 |
0.8 |
| Median |
78.6 |
23.5 |
40.4 |
92.6 |
4.3 |
0.8 |
| Deviation |
6.9 |
6.2 |
10.4 |
1.2 |
2.4 |
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)
| 
