Database: Ace Shock Analysis
Event ID: 20050211647
Observation time: 01/21/2005 21.69961 1647 [UT]
|
|
General
Information (About, Top)
| Year |
2005 |
| Fractional day of year |
21.699613 |
| Arrival time of shock [seconds of day] |
60446.5 ± 60.0 |
| Shock type |
FF |
| Electron data availability |
0 |
| X GSE location of spacecraft [Re] |
222.229 |
| Y GSE location of spacecraft [Re] |
-35.067 |
| Z GSE location of spacecraft [Re] |
21.586 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0644 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0528 |
| Minimum chisq/dof for RH8,RH9,RH10 |
3.94, 10.90, 13.73 |
Event added to database
|
Fri Oct 10 13:32:01 2014
|
Event last processed
|
Wed Oct 15 11:23:14 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
21.639 ± 0.191
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-598.3 ± 23.6 |
-898.2 ± 16.4 |
| Vy GSE [km/s] |
-16.1 ± 14.4 |
-43.9 ± 29.1 |
| Vz GSE [km/s] |
-13.1 ± 20.6 |
-18.2 ± 30.9 |
| Wi [km/s] |
51.2 ± 2.9 |
98.8 ± 11.2 |
| We [km/s] |
1618.5 ± 90.3 |
3122.9 ± 354.8 |
| Ni [n/cc] |
5.9 ± 0.6 |
15.9 ± 3.1 |
| Bx GSE [nT] |
2.5 ± 1.9 |
4.2 ± 5.5 |
| By GSE [nT] |
-5.6 ± 1.6 |
-17.0 ± 5.3 |
| Bz GSE [nT] |
0.4 ± 2.5 |
1.9 ± 11.8 |
Plasma Beta
|
0.845 ± 0.627
|
1.024 ± 0.588
|
Sound Speed [km/s]
|
66.07 ± 3.68
|
127.49 ± 14.49
|
Alfven Speed [km/s]
|
61.83 ± 13.40
|
116.09 ± 31.54
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.971 ± 0.211 |
0.234 ± 0.867 |
-0.052 ± 0.052 |
-2.96 ± 35.15 |
166.48 ± 51.15 |
| VC |
-0.996 ± 0.009 |
-0.092 ± 0.101 |
-0.015 ± 0.015 |
-0.87 ± 6.70 |
185.29 ± 5.80 |
| MX1 |
-0.990 ± 0.088 |
-0.139 ± 0.628 |
-0.005 ± 0.005 |
-0.28 ± 12.85 |
187.97 ± 36.35 |
| MX2 |
-0.969 ± 0.079 |
-0.221 ± 0.338 |
-0.109 ± 0.108 |
-6.23 ± 8.33 |
192.86 ± 19.98 |
| MX3 |
-0.971 ± 0.064 |
-0.191 ± 0.296 |
-0.143 ± 0.142 |
-8.23 ± 10.56 |
191.11 ± 17.46 |
| RH08 |
-0.998 ± 0.001 |
-0.061 ± 0.009 |
-0.006 ± 0.006 |
-0.32 ± 0.71 |
183.51 ± 0.54 |
| RH09 |
-0.364 ± 0.064 |
-0.280 ± 0.067 |
-0.888 ± 0.502 |
-62.66 ± 3.78 |
217.60 ± 8.90 |
| RH10 |
-0.327 ± 0.066 |
-0.290 ± 0.067 |
-0.899 ± 0.489 |
-64.08 ± 4.01 |
221.62 ± 9.22 |
| Average |
-0.823 |
-0.130 |
-0.265 |
-18.204 |
193.304 |
| Median |
-0.971 |
-0.139 |
-0.052 |
-2.956 |
191.109 |
| Deviation |
0.295 |
0.168 |
0.392 |
28.025 |
18.148 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
54.3 ± 17.1 |
1029.4 ± 8.7 |
2.73 ± 0.62 |
| VC |
71.5 ± 17.8 |
1076.6 ± 8.7 |
2.73 ± 0.62 |
| MX1 |
74.0 ± 17.9 |
1075.5 ± 8.6 |
2.73 ± 0.62 |
| MX2 |
78.4 ± 17.7 |
1063.7 ± 8.4 |
2.73 ± 0.62 |
| MX3 |
76.8 ± 17.7 |
1067.8 ± 8.4 |
2.73 ± 0.62 |
| RH08 |
69.8 ± 17.8 |
1076.6 ± 8.7 |
2.73 ± 0.62 |
| RH09 |
86.4 ± 19.3 |
437.5 ± 5.9 |
2.73 ± 0.62 |
| RH10 |
85.0 ± 19.3 |
399.9 ± 49.4 |
2.73 ± 0.62 |
| Average |
74.5 |
903.4 |
2.73 |
| Median |
76.8 |
1067.8 |
2.73 |
| Deviation |
10.1 |
299.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
451.6 ± 20.7 |
27.1 ± 3.9 |
36.1 ± 7.8 |
86.9 ± 7.9 |
17.06 ± 3.23 |
5.24 ± 0.59 |
| VC |
479.2 ± 24.3 |
14.3 ± 2.0 |
19.6 ± 4.3 |
90.0 ± 8.4 |
34.42 ± 6.49 |
5.38 ± 0.65 |
| MX1 |
480.7 ± 24.7 |
12.3 ± 1.7 |
17.1 ± 3.7 |
90.2 ± 8.4 |
39.90 ± 7.52 |
5.38 ± 0.66 |
| MX2 |
478.9 ± 24.4 |
8.9 ± 1.3 |
12.4 ± 2.7 |
90.6 ± 8.5 |
54.99 ± 10.40 |
5.33 ± 0.65 |
| MX3 |
481.9 ± 24.0 |
10.2 ± 1.4 |
14.1 ± 3.1 |
90.5 ± 8.5 |
48.51 ± 9.16 |
5.37 ± 0.65 |
| RH8 |
478.4 ± 24.1 |
15.5 ± 2.2 |
21.3 ± 4.6 |
89.7 ± 8.3 |
31.60 ± 5.95 |
5.38 ± 0.65 |
| RH9 |
203.6 ± 17.4 |
2.8 ± 0.4 |
3.9 ± 0.9 |
91.0 ± 8.5 |
74.01 ± 15.77 |
2.25 ± 0.29 |
| RH10 |
187.9 ± 17.3 |
3.8 ± 0.5 |
5.4 ± 1.2 |
91.0 ± 8.5 |
50.10 ± 10.89 |
2.08 ± 0.27 |
| Average |
405.3 |
11.9 |
16.2 |
90.0 |
43.8 |
4.6 |
| Median |
478.9 |
12.3 |
17.1 |
90.5 |
48.5 |
5.4 |
| Deviation |
129.7 |
7.6 |
10.2 |
1.3 |
17.2 |
1.5 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
166.5 ± 20.8 |
50.2 ± 8.2 |
67.8 ± 18.4 |
167.5 ± 13.6 |
3.44 ± 0.91 |
1.01 ± 0.18 |
| VC |
178.0 ± 15.5 |
26.4 ± 4.2 |
36.9 ± 10.0 |
172.9 ± 14.7 |
6.96 ± 1.69 |
1.04 ± 0.16 |
| MX1 |
179.8 ± 14.8 |
22.9 ± 3.6 |
32.0 ± 8.7 |
173.4 ± 14.8 |
8.12 ± 1.94 |
1.05 ± 0.16 |
| MX2 |
181.5 ± 16.3 |
16.6 ± 2.6 |
23.2 ± 6.3 |
174.1 ± 15.0 |
11.35 ± 2.85 |
1.05 ± 0.17 |
| MX3 |
184.5 ± 17.3 |
18.9 ± 3.0 |
26.5 ± 7.2 |
173.9 ± 14.9 |
10.12 ± 2.59 |
1.07 ± 0.17 |
| RH8 |
177.3 ± 15.7 |
28.8 ± 4.6 |
40.0 ± 10.9 |
172.5 ± 14.7 |
6.37 ± 1.54 |
1.04 ± 0.16 |
| RH9 |
82.2 ± 31.3 |
5.2 ± 0.8 |
7.4 ± 2.0 |
174.8 ± 15.1 |
16.78 ± 9.19 |
0.48 ± 0.21 |
| RH10 |
77.3 ± 31.3 |
7.1 ± 1.1 |
10.1 ± 2.7 |
174.7 ± 15.1 |
11.61 ± 6.64 |
0.45 ± 0.21 |
| Average |
153.4 |
22.0 |
30.5 |
173.0 |
9.3 |
0.9 |
| Median |
178.0 |
22.9 |
32.0 |
173.9 |
10.1 |
1.0 |
| Deviation |
45.7 |
14.2 |
19.1 |
2.4 |
4.1 |
0.3 |
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)
| 
