Database: Ace Shock Analysis
Event ID: 20000111340
Observation time: 01/11/2000 11.56975 1340 [UT]
|
|
General
Information (About, Top)
| Year |
2000 |
| Fractional day of year |
11.569745 |
| Arrival time of shock [seconds of day] |
49226.0 ± 16.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
0.037 |
| Y GSE location of spacecraft [Re] |
0.005 |
| Z GSE location of spacecraft [Re] |
0.001 |
| Upstream plasma points selected for analysis |
0010 |
| Upstream field points selected for analysis |
0039 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0035 |
| Minimum chisq/dof for RH8,RH9,RH10 |
5.94, 7.90, 8.12 |
Event added to database
|
Sat Apr 30 21:45:29 2005
|
Event last processed
|
Wed Oct 15 15:44:43 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
0.007 ± 0.000
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-422.5 ± 5.4 |
-467.2 ± 9.2 |
| Vy GSE [km/s] |
6.8 ± 4.2 |
-21.7 ± 7.1 |
| Vz GSE [km/s] |
-23.1 ± 12.4 |
-49.5 ± 11.7 |
| Wi [km/s] |
45.2 ± 2.1 |
55.9 ± 2.2 |
| We [km/s] |
1430.9 ± 65.3 |
1767.3 ± 71.0 |
| Ni [n/cc] |
12.4 ± 0.8 |
20.5 ± 2.1 |
| Bx GSE [nT] |
8.6 ± 0.6 |
12.5 ± 1.8 |
| By GSE [nT] |
-11.4 ± 0.6 |
-15.3 ± 2.2 |
| Bz GSE [nT] |
-0.3 ± 1.6 |
-4.2 ± 2.7 |
Plasma Beta
|
0.268 ± 0.282
|
0.342 ± 0.365
|
Sound Speed [km/s]
|
58.38 ± 2.72
|
72.50 ± 2.87
|
Alfven Speed [km/s]
|
87.70 ± 3.13
|
96.56 ± 4.49
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.656 ± 0.475 |
0.596 ± 0.511 |
-0.463 ± 0.427 |
-27.57 ± 30.02 |
137.71 ± 42.27 |
| VC |
-0.757 ± 0.116 |
-0.489 ± 0.117 |
-0.434 ± 0.404 |
-25.72 ± 15.17 |
212.88 ± 7.49 |
| MX1 |
-0.873 ± 0.125 |
-0.272 ± 0.269 |
-0.405 ± 0.381 |
-23.90 ± 13.71 |
197.31 ± 17.58 |
| MX2 |
-0.865 ± 0.113 |
-0.311 ± 0.226 |
-0.393 ± 0.372 |
-23.17 ± 12.33 |
199.79 ± 14.83 |
| MX3 |
-0.856 ± 0.101 |
-0.356 ± 0.190 |
-0.375 ± 0.356 |
-22.03 ± 10.69 |
202.55 ± 12.57 |
| RH08 |
-0.976 ± 0.003 |
-0.129 ± 0.014 |
-0.173 ± 0.171 |
-9.97 ± 0.88 |
187.52 ± 0.80 |
| RH09 |
-0.984 ± 0.013 |
-0.095 ± 0.070 |
-0.151 ± 0.150 |
-8.68 ± 4.02 |
185.52 ± 4.07 |
| RH10 |
-0.984 ± 0.013 |
-0.095 ± 0.070 |
-0.151 ± 0.150 |
-8.68 ± 4.02 |
185.52 ± 4.07 |
| Average |
-0.869 |
-0.144 |
-0.318 |
-18.714 |
188.600 |
| Median |
-0.865 |
-0.129 |
-0.375 |
-22.030 |
197.306 |
| Deviation |
0.117 |
0.330 |
0.135 |
8.134 |
22.664 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
31.3 ± 5.5 |
355.7 ± 2.1 |
1.70 ± 0.18 |
| VC |
87.2 ± 3.4 |
470.5 ± 5.3 |
1.70 ± 0.18 |
| MX1 |
73.0 ± 3.3 |
514.4 ± 4.9 |
1.70 ± 0.18 |
| MX2 |
75.1 ± 3.3 |
512.2 ± 5.0 |
1.70 ± 0.18 |
| MX3 |
77.5 ± 3.2 |
508.9 ± 5.0 |
1.70 ± 0.18 |
| RH08 |
61.6 ± 2.6 |
544.6 ± 4.2 |
1.70 ± 0.18 |
| RH09 |
59.5 ± 2.6 |
544.2 ± 4.1 |
1.70 ± 0.18 |
| RH10 |
59.5 ± 2.6 |
544.2 ± 34.0 |
1.70 ± 0.18 |
| Average |
65.6 |
499.3 |
1.70 |
| Median |
73.0 |
514.4 |
1.70 |
| Deviation |
17.0 |
63.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
64.4 ± 3.5 |
46.2 ± 1.8 |
75.0 ± 2.7 |
94.7 ± 2.7 |
1.40 ± 0.11 |
0.68 ± 0.05 |
| VC |
143.4 ± 7.2 |
2.4 ± 0.1 |
4.3 ± 0.2 |
105.4 ± 2.8 |
60.32 ± 4.57 |
1.36 ± 0.09 |
| MX1 |
137.6 ± 6.4 |
14.3 ± 0.5 |
25.6 ± 0.9 |
104.4 ± 2.8 |
9.62 ± 0.68 |
1.32 ± 0.08 |
| MX2 |
139.2 ± 6.4 |
12.6 ± 0.4 |
22.5 ± 0.8 |
104.6 ± 2.8 |
11.11 ± 0.78 |
1.33 ± 0.08 |
| MX3 |
140.4 ± 6.5 |
10.6 ± 0.4 |
19.0 ± 0.7 |
104.9 ± 2.8 |
13.30 ± 0.93 |
1.34 ± 0.08 |
| RH8 |
128.7 ± 5.2 |
23.7 ± 0.8 |
41.7 ± 1.5 |
102.7 ± 2.8 |
5.44 ± 0.31 |
1.25 ± 0.06 |
| RH9 |
125.3 ± 5.1 |
25.4 ± 0.9 |
44.5 ± 1.6 |
102.3 ± 2.8 |
4.94 ± 0.28 |
1.23 ± 0.06 |
| RH10 |
125.3 ± 5.1 |
25.4 ± 0.9 |
44.5 ± 1.6 |
102.3 ± 2.8 |
4.94 ± 0.28 |
1.23 ± 0.06 |
| Average |
125.5 |
20.1 |
34.6 |
102.7 |
13.9 |
1.2 |
| Median |
137.6 |
23.7 |
41.7 |
104.4 |
9.6 |
1.3 |
| Deviation |
25.7 |
13.3 |
21.6 |
3.4 |
19.2 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
40.5 ± 3.6 |
55.8 ± 1.2 |
82.5 ± 3.8 |
107.2 ± 2.9 |
0.73 ± 0.06 |
0.38 ± 0.03 |
| VC |
84.3 ± 6.7 |
2.8 ± 0.0 |
4.7 ± 0.2 |
120.8 ± 2.5 |
29.70 ± 2.14 |
0.70 ± 0.06 |
| MX1 |
80.0 ± 6.2 |
17.1 ± 0.3 |
28.2 ± 1.3 |
119.6 ± 2.5 |
4.68 ± 0.33 |
0.67 ± 0.05 |
| MX2 |
81.2 ± 6.4 |
15.0 ± 0.3 |
24.8 ± 1.2 |
119.9 ± 2.5 |
5.42 ± 0.38 |
0.68 ± 0.05 |
| MX3 |
81.9 ± 6.6 |
12.6 ± 0.2 |
20.9 ± 1.0 |
120.2 ± 2.5 |
6.50 ± 0.47 |
0.68 ± 0.06 |
| RH8 |
75.8 ± 7.8 |
28.3 ± 0.5 |
45.9 ± 2.1 |
117.5 ± 2.5 |
2.68 ± 0.26 |
0.65 ± 0.06 |
| RH9 |
73.6 ± 7.9 |
30.3 ± 0.5 |
49.0 ± 2.3 |
117.0 ± 2.5 |
2.42 ± 0.25 |
0.63 ± 0.07 |
| RH10 |
73.6 ± 7.9 |
30.3 ± 0.5 |
49.0 ± 2.3 |
117.0 ± 2.5 |
2.42 ± 0.25 |
0.63 ± 0.07 |
| Average |
73.9 |
24.0 |
38.1 |
117.4 |
6.8 |
0.6 |
| Median |
80.0 |
28.3 |
45.9 |
119.6 |
4.7 |
0.7 |
| Deviation |
14.1 |
16.1 |
23.8 |
4.4 |
9.4 |
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)
| 
