Database: Ace Shock Analysis
Event ID: 20000301844
Observation time: 01/30/2000 30.78120 1844 [UT]
|
|
General
Information (About, Top)
| Year |
2000 |
| Fractional day of year |
30.781204 |
| Arrival time of shock [seconds of day] |
67496.0 ± 16.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
0.038 |
| Y GSE location of spacecraft [Re] |
0.001 |
| Z GSE location of spacecraft [Re] |
0.003 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0041 |
| Downstream plasma points selected for analysis |
0009
|
| Downstream field points selected for analysis |
0037 |
| Minimum chisq/dof for RH8,RH9,RH10 |
*********,*********,********* |
Event added to database
|
Sat Apr 30 21:45:40 2005
|
Event last processed
|
Wed Oct 15 15:52:25 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
-0.003 ± 0.018
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-609.9 ± 3.4 |
-671.5 ± 18.3 |
| Vy GSE [km/s] |
30.3 ± 7.7 |
8.4 ± 7.4 |
| Vz GSE [km/s] |
17.5 ± 6.3 |
5.7 ± 22.2 |
| Wi [km/s] |
44.5 ± 1.4 |
65.6 ± 8.4 |
| We [km/s] |
1405.7 ± 43.9 |
2075.2 ± 265.9 |
| Ni [n/cc] |
3.8 ± 0.3 |
5.2 ± 0.9 |
| Bx GSE [nT] |
-4.5 ± 0.6 |
-1.7 ± 2.0 |
| By GSE [nT] |
0.7 ± 1.2 |
6.3 ± 1.1 |
| Bz GSE [nT] |
-2.3 ± 0.8 |
1.0 ± 2.3 |
Plasma Beta
|
0.623 ± 0.627
|
1.080 ± 1.029
|
Sound Speed [km/s]
|
58.56 ± 2.91
|
84.46 ± 10.83
|
Alfven Speed [km/s]
|
57.56 ± 1.69
|
67.35 ± 11.37
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.803 ± 0.111 |
0.529 ± 0.157 |
-0.274 ± 0.267 |
-15.88 ± 11.10 |
146.64 ± 11.00 |
| VC |
-0.924 ± 0.084 |
-0.352 ± 0.184 |
-0.148 ± 0.147 |
-8.50 ± 19.37 |
200.83 ± 11.32 |
| MX1 |
-0.734 ± 0.360 |
0.531 ± 0.458 |
-0.423 ± 0.396 |
-25.03 ± 27.85 |
144.13 ± 34.45 |
| MX2 |
-0.895 ± 0.082 |
0.447 ± 0.165 |
0.018 ± 0.018 |
1.01 ± 7.38 |
153.47 ± 10.55 |
| MX3 |
-0.899 ± 0.093 |
0.334 ± 0.182 |
0.283 ± 0.275 |
16.44 ± 13.88 |
159.63 ± 11.47 |
| RH08 |
0.030 ± 0.008 |
0.171 ± 0.034 |
0.985 ± 303.050 |
******* ± 2.00 |
******* ± 2.00 |
| RH09 |
0.030 ± 0.008 |
0.171 ± 0.034 |
0.985 ± 303.050 |
******* ± 2.00 |
******* ± 2.00 |
| RH10 |
0.030 ± 0.008 |
0.171 ± 0.034 |
0.985 ± 303.050 |
******* ± 2.00 |
******* ± 2.00 |
| Average |
-0.521 |
0.250 |
0.301 |
******* |
******* |
| Median |
-0.734 |
0.334 |
0.283 |
-15.881 |
146.642 |
| Deviation |
0.460 |
0.289 |
0.602 |
******* |
******* |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
27.8 ± 10.9 |
642.9 ± 1463.1 |
1.40 ± 0.25 |
| VC |
33.8 ± 10.3 |
776.7 ± 2124.0 |
1.40 ± 0.25 |
| MX1 |
27.4 ± 10.5 |
582.5 ± 1291.7 |
1.40 ± 0.25 |
| MX2 |
34.2 ± 10.0 |
716.2 ± 1737.6 |
1.40 ± 0.25 |
| MX3 |
45.2 ± 10.4 |
712.6 ± 1834.5 |
1.40 ± 0.25 |
| RH08 |
64.5 ± 11.2 |
-55.7 ± 19.6 |
1.40 ± 0.25 |
| RH09 |
64.5 ± 11.2 |
-55.7 ± 19.6 |
1.40 ± 0.25 |
| RH10 |
64.5 ± 11.2 |
-55.7 ± 175.5 |
1.40 ± 0.25 |
| Average |
45.2 |
408.0 |
1.40 |
| Median |
45.2 |
642.9 |
1.40 |
| Deviation |
16.8 |
388.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
141.2 ± 3.9 |
42.3 ± 1.3 |
50.9 ± 1.5 |
70.4 ± 2.4 |
3.34 ± 0.17 |
2.01 ± 0.11 |
| VC |
225.9 ± 4.3 |
38.6 ± 1.2 |
47.8 ± 1.4 |
72.5 ± 2.5 |
5.85 ± 0.24 |
3.12 ± 0.13 |
| MX1 |
125.2 ± 4.4 |
42.6 ± 1.3 |
51.1 ± 1.5 |
70.2 ± 2.4 |
2.95 ± 0.16 |
1.79 ± 0.10 |
| MX2 |
156.7 ± 3.5 |
38.4 ± 1.2 |
47.6 ± 1.4 |
72.6 ± 2.5 |
4.09 ± 0.20 |
2.16 ± 0.11 |
| MX3 |
149.5 ± 4.3 |
31.2 ± 1.0 |
40.6 ± 1.2 |
76.0 ± 2.6 |
4.79 ± 0.25 |
1.97 ± 0.10 |
| RH8 |
-58.1 ± 6.5 |
18.1 ± 0.6 |
24.8 ± 0.7 |
80.1 ± 2.7 |
-3.21 ± 0.36 |
-0.73 ± 0.08 |
| RH9 |
-58.1 ± 6.5 |
18.1 ± 0.6 |
24.8 ± 0.7 |
80.1 ± 2.7 |
-3.21 ± 0.36 |
-0.73 ± 0.08 |
| RH10 |
-58.1 ± 6.5 |
18.1 ± 0.6 |
24.8 ± 0.7 |
80.1 ± 2.7 |
-3.21 ± 0.36 |
-0.73 ± 0.08 |
| Average |
78.0 |
30.9 |
39.1 |
75.2 |
1.4 |
1.1 |
| Median |
141.2 |
38.4 |
47.6 |
76.0 |
3.3 |
2.0 |
| Deviation |
116.5 |
11.2 |
12.2 |
4.4 |
3.9 |
1.6 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
100.8 ± 18.7 |
52.1 ± 5.5 |
59.6 ± 10.1 |
95.4 ± 7.4 |
1.95 ± 0.42 |
1.07 ± 0.27 |
| VC |
159.0 ± 18.5 |
47.8 ± 4.9 |
56.0 ± 9.4 |
97.6 ± 7.3 |
3.36 ± 0.51 |
1.65 ± 0.29 |
| MX1 |
87.4 ± 20.1 |
52.3 ± 5.5 |
59.8 ± 10.1 |
95.2 ± 7.4 |
1.69 ± 0.44 |
0.93 ± 0.28 |
| MX2 |
112.1 ± 16.4 |
47.5 ± 4.8 |
55.7 ± 9.4 |
97.8 ± 7.3 |
2.38 ± 0.41 |
1.16 ± 0.23 |
| MX3 |
105.0 ± 14.9 |
38.9 ± 3.8 |
47.4 ± 8.0 |
101.5 ± 7.3 |
2.71 ± 0.42 |
1.04 ± 0.19 |
| RH8 |
-41.2 ± 21.5 |
22.7 ± 2.1 |
29.0 ± 4.9 |
106.4 ± 7.5 |
-1.85 ± 1.05 |
-0.40 ± 0.23 |
| RH9 |
-41.2 ± 21.5 |
22.7 ± 2.1 |
29.0 ± 4.9 |
106.4 ± 7.5 |
-1.85 ± 1.05 |
-0.40 ± 0.23 |
| RH10 |
-41.2 ± 21.5 |
22.7 ± 2.1 |
29.0 ± 4.9 |
106.4 ± 7.5 |
-1.85 ± 1.05 |
-0.40 ± 0.23 |
| Average |
55.1 |
38.4 |
45.7 |
100.8 |
0.8 |
0.6 |
| Median |
100.8 |
47.5 |
55.7 |
101.5 |
2.0 |
1.0 |
| Deviation |
82.4 |
13.6 |
14.3 |
5.0 |
2.3 |
0.8 |
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)
| 
