Database: Ace Shock Analysis
Event ID: 20010130142
Observation time: 01/13/2001 13.07108 0142 [UT]
|
|
General
Information (About, Top)
| Year |
2001 |
| Fractional day of year |
13.071076 |
| Arrival time of shock [seconds of day] |
6141.0 ± 16.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
0.038 |
| Y GSE location of spacecraft [Re] |
0.002 |
| Z GSE location of spacecraft [Re] |
0.003 |
| Upstream plasma points selected for analysis |
0013 |
| Upstream field points selected for analysis |
0051 |
| Downstream plasma points selected for analysis |
0011
|
| Downstream field points selected for analysis |
0050 |
| Minimum chisq/dof for RH8,RH9,RH10 |
5.44, 35.20, 35.83 |
Event added to database
|
Sat Apr 30 21:48:50 2005
|
Event last processed
|
Tue May 3 13:46:30 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] |
-355.5 ± 4.7 |
-411.1 ± 10.5 |
| Vy GSE [km/s] |
-13.4 ± 4.4 |
-50.5 ± 7.1 |
| Vz GSE [km/s] |
-42.5 ± 8.3 |
68.0 ± 10.7 |
| Wi [km/s] |
21.2 ± 2.8 |
40.1 ± 4.7 |
| We [km/s] |
671.7 ± 88.5 |
1268.2 ± 150.2 |
| Ni [n/cc] |
1.0 ± 0.1 |
5.2 ± 0.6 |
| Bx GSE [nT] |
-0.2 ± 0.3 |
-2.5 ± 1.4 |
| By GSE [nT] |
1.9 ± 0.3 |
12.4 ± 1.0 |
| Bz GSE [nT] |
5.7 ± 0.2 |
2.4 ± 1.9 |
Plasma Beta
|
0.026 ± 0.023
|
0.105 ± 0.092
|
Sound Speed [km/s]
|
27.42 ± 3.61
|
51.78 ± 6.13
|
Alfven Speed [km/s]
|
135.07 ± 11.39
|
126.28 ± 7.94
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.037 ± 0.116 |
0.292 ± 0.145 |
0.956 ± 0.374 |
72.91 ± 8.73 |
97.28 ± 22.44 |
| VC |
-0.433 ± 0.079 |
-0.294 ± 0.077 |
0.852 ± 0.534 |
58.44 ± 5.45 |
214.14 ± 8.19 |
| MX1 |
-0.352 ± 0.536 |
0.391 ± 0.546 |
0.850 ± 0.535 |
58.25 ± 39.65 |
131.92 ± 53.25 |
| MX2 |
-0.498 ± 0.090 |
0.148 ± 0.099 |
0.854 ± 0.532 |
58.67 ± 5.97 |
163.47 ± 10.98 |
| MX3 |
-0.585 ± 0.097 |
0.109 ± 0.091 |
0.804 ± 0.555 |
53.48 ± 6.91 |
169.49 ± 8.77 |
| RH08 |
-0.903 ± 0.011 |
-0.135 ± 0.002 |
0.408 ± 0.384 |
24.07 ± 1.52 |
188.52 ± 0.00 |
| RH09 |
-0.734 ± 0.047 |
-0.071 ± 0.069 |
0.676 ± 0.547 |
42.53 ± 3.99 |
185.52 ± 5.41 |
| RH10 |
-0.734 ± 0.047 |
-0.071 ± 0.069 |
0.676 ± 0.547 |
42.53 ± 3.99 |
185.52 ± 5.41 |
| Average |
-0.534 |
0.046 |
0.759 |
51.359 |
166.983 |
| Median |
-0.498 |
0.109 |
0.850 |
58.255 |
185.515 |
| Deviation |
0.270 |
0.230 |
0.171 |
14.739 |
36.803 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
3.9 ± 1.5 |
88.6 ± 13.2 |
5.42 ± 0.90 |
| VC |
42.9 ± 2.9 |
280.3 ± 10.8 |
5.42 ± 0.90 |
| MX1 |
19.9 ± 3.1 |
203.9 ± 12.9 |
5.42 ± 0.90 |
| MX2 |
29.2 ± 3.0 |
280.7 ± 12.4 |
5.42 ± 0.90 |
| MX3 |
35.3 ± 3.0 |
314.0 ± 12.2 |
5.42 ± 0.90 |
| RH08 |
67.9 ± 3.0 |
426.5 ± 10.9 |
5.42 ± 0.90 |
| RH09 |
49.9 ± 3.0 |
373.8 ± 11.3 |
5.42 ± 0.90 |
| RH10 |
49.9 ± 3.0 |
373.8 ± 11.3 |
5.42 ± 0.90 |
| Average |
37.4 |
292.7 |
5.42 |
| Median |
42.9 |
314.0 |
5.42 |
| Deviation |
19.9 |
107.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
119.9 ± 8.5 |
27.4 ± 3.6 |
134.7 ± 11.4 |
135.1 ± 11.4 |
4.48 ± 0.82 |
0.89 ± 0.08 |
| VC |
158.5 ± 6.6 |
19.9 ± 2.6 |
99.0 ± 8.3 |
136.4 ± 11.3 |
8.11 ± 1.20 |
1.17 ± 0.08 |
| MX1 |
120.3 ± 7.5 |
25.7 ± 3.4 |
127.0 ± 10.7 |
135.4 ± 11.4 |
4.78 ± 0.83 |
0.89 ± 0.07 |
| MX2 |
141.7 ± 7.1 |
23.8 ± 3.1 |
118.0 ± 9.9 |
135.8 ± 11.3 |
6.06 ± 0.96 |
1.05 ± 0.07 |
| MX3 |
141.6 ± 6.7 |
22.2 ± 2.9 |
110.2 ± 9.3 |
136.0 ± 11.3 |
6.49 ± 1.00 |
1.04 ± 0.07 |
| RH8 |
120.9 ± 5.0 |
10.1 ± 1.3 |
50.8 ± 4.3 |
137.5 ± 11.2 |
12.13 ± 1.56 |
0.88 ± 0.05 |
| RH9 |
140.7 ± 5.8 |
17.4 ± 2.2 |
87.1 ± 7.3 |
136.8 ± 11.2 |
8.20 ± 1.17 |
1.03 ± 0.06 |
| RH10 |
140.7 ± 5.8 |
17.4 ± 2.2 |
87.1 ± 7.3 |
136.8 ± 11.2 |
8.20 ± 1.17 |
1.03 ± 0.06 |
| Average |
135.5 |
20.5 |
101.7 |
136.2 |
7.3 |
1.0 |
| Median |
140.7 |
22.2 |
110.2 |
136.4 |
8.1 |
1.0 |
| Deviation |
13.9 |
5.5 |
27.0 |
0.8 |
2.5 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
23.0 ± 11.1 |
51.6 ± 6.1 |
126.0 ± 7.9 |
126.3 ± 7.9 |
0.46 ± 0.24 |
0.18 ± 0.08 |
| VC |
29.4 ± 9.4 |
36.3 ± 3.7 |
92.5 ± 5.8 |
131.7 ± 6.7 |
0.82 ± 0.28 |
0.22 ± 0.07 |
| MX1 |
21.3 ± 11.3 |
48.1 ± 5.5 |
118.7 ± 7.5 |
127.8 ± 7.5 |
0.45 ± 0.24 |
0.17 ± 0.09 |
| MX2 |
25.1 ± 11.0 |
44.1 ± 4.8 |
110.3 ± 6.9 |
129.2 ± 7.2 |
0.57 ± 0.26 |
0.19 ± 0.08 |
| MX3 |
24.3 ± 10.9 |
40.9 ± 4.3 |
103.1 ± 6.5 |
130.3 ± 7.0 |
0.60 ± 0.27 |
0.19 ± 0.08 |
| RH8 |
20.7 ± 10.0 |
18.1 ± 1.7 |
47.5 ± 3.0 |
135.5 ± 6.2 |
1.14 ± 0.52 |
0.15 ± 0.08 |
| RH9 |
22.7 ± 10.3 |
31.6 ± 3.2 |
81.4 ± 5.1 |
132.9 ± 6.6 |
0.72 ± 0.32 |
0.17 ± 0.08 |
| RH10 |
22.7 ± 10.3 |
31.6 ± 3.2 |
81.4 ± 5.1 |
132.9 ± 6.6 |
0.72 ± 0.32 |
0.17 ± 0.08 |
| Average |
23.7 |
37.8 |
95.1 |
130.8 |
0.7 |
0.2 |
| Median |
23.0 |
40.9 |
103.1 |
131.7 |
0.7 |
0.2 |
| Deviation |
2.7 |
10.8 |
25.2 |
3.0 |
0.2 |
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)
| 
