Database: Ace Shock Analysis
Event ID: 20043161643
Observation time: 11/11/2004 316.69713 1643 [UT]
|
|
General
Information (About, Top)
| Year |
2004 |
| Fractional day of year |
316.697132 |
| Arrival time of shock [seconds of day] |
60232.2 ± 20.0 |
| Shock type |
FF |
| Electron data availability |
0 |
| X GSE location of spacecraft [Re] |
242.862 |
| Y GSE location of spacecraft [Re] |
20.179 |
| Z GSE location of spacecraft [Re] |
-13.915 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0346 |
| Downstream plasma points selected for analysis |
0003
|
| Downstream field points selected for analysis |
0208 |
| Minimum chisq/dof for RH8,RH9,RH10 |
26.70, 87.25, 118.16 |
Event added to database
|
Wed Oct 15 10:54:44 2014
|
Event last processed
|
Wed Oct 15 11:43:07 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
51.193 ± 4.050
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-545.2 ± 1.1 |
-585.3 ± 4.4 |
| Vy GSE [km/s] |
3.3 ± 1.1 |
-5.4 ± 3.1 |
| Vz GSE [km/s] |
-23.4 ± 2.5 |
-83.1 ± 2.4 |
| Wi [km/s] |
14.2 ± 1.2 |
29.5 ± 2.2 |
| We [km/s] |
450.2 ± 37.3 |
933.9 ± 70.6 |
| Ni [n/cc] |
5.2 ± 0.3 |
10.0 ± 1.4 |
| Bx GSE [nT] |
-4.6 ± 0.2 |
-9.9 ± 0.5 |
| By GSE [nT] |
-0.2 ± 0.2 |
1.5 ± 0.3 |
| Bz GSE [nT] |
1.6 ± 0.1 |
5.6 ± 0.1 |
Plasma Beta
|
0.096 ± 0.084
|
0.138 ± 0.140
|
Sound Speed [km/s]
|
18.38 ± 1.52
|
38.13 ± 2.88
|
Alfven Speed [km/s]
|
46.50 ± 2.42
|
79.63 ± 7.81
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.592 ± 0.070 |
-0.634 ± 0.068 |
-0.496 ± 0.451 |
-29.77 ± 6.52 |
226.96 ± 5.23 |
| VC |
-0.553 ± 0.031 |
-0.119 ± 0.038 |
-0.825 ± 0.548 |
-55.54 ± 2.09 |
192.18 ± 3.91 |
| MX1 |
-0.626 ± 0.025 |
-0.121 ± 0.039 |
-0.770 ± 0.561 |
-50.39 ± 1.82 |
190.98 ± 3.51 |
| MX2 |
-0.624 ± 0.023 |
-0.107 ± 0.045 |
-0.774 ± 0.560 |
-50.74 ± 1.60 |
189.73 ± 4.10 |
| MX3 |
-0.622 ± 0.021 |
-0.097 ± 0.050 |
-0.777 ± 0.560 |
-50.97 ± 1.47 |
188.87 ± 4.61 |
| RH08 |
-0.159 ± 0.019 |
-0.976 ± 0.005 |
0.151 ± 0.150 |
8.68 ± 1.40 |
260.72 ± 1.12 |
| RH09 |
-0.464 ± 0.048 |
-0.826 ± 0.032 |
-0.318 ± 0.307 |
-18.57 ± 3.84 |
240.67 ± 3.23 |
| RH10 |
-0.464 ± 0.054 |
-0.826 ± 0.035 |
-0.318 ± 0.307 |
-18.57 ± 3.94 |
240.67 ± 3.68 |
| Average |
-0.513 |
-0.463 |
-0.516 |
-33.233 |
216.347 |
| Median |
-0.553 |
-0.121 |
-0.496 |
-29.766 |
226.959 |
| Deviation |
0.158 |
0.388 |
0.342 |
22.714 |
29.170 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
64.9 ± 2.1 |
442.9 ± 8.0 |
1.98 ± 0.33 |
| VC |
75.1 ± 1.3 |
459.0 ± 9.3 |
1.98 ± 0.33 |
| MX1 |
69.9 ± 1.3 |
496.6 ± 9.4 |
1.98 ± 0.33 |
| MX2 |
70.1 ± 1.3 |
495.7 ± 9.4 |
1.98 ± 0.33 |
| MX3 |
70.3 ± 1.3 |
495.1 ± 9.4 |
1.98 ± 0.33 |
| RH08 |
76.0 ± 2.4 |
95.3 ± 1.9 |
1.98 ± 0.33 |
| RH09 |
68.3 ± 2.3 |
343.6 ± 6.3 |
1.98 ± 0.33 |
| RH10 |
68.3 ± 2.3 |
343.6 ± 23.7 |
1.98 ± 0.33 |
| Average |
70.4 |
396.5 |
1.98 |
| Median |
70.1 |
459.0 |
1.98 |
| Deviation |
3.6 |
137.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
110.3 ± 1.4 |
7.3 ± 0.5 |
19.7 ± 1.0 |
49.5 ± 1.8 |
15.14 ± 0.83 |
2.23 ± 0.09 |
| VC |
138.5 ± 2.1 |
4.4 ± 0.3 |
12.0 ± 0.6 |
49.8 ± 1.7 |
31.53 ± 1.79 |
2.78 ± 0.10 |
| MX1 |
137.7 ± 2.0 |
5.9 ± 0.4 |
16.0 ± 0.8 |
49.7 ± 1.7 |
23.39 ± 1.35 |
2.77 ± 0.10 |
| MX2 |
137.8 ± 2.0 |
5.8 ± 0.4 |
15.8 ± 0.8 |
49.7 ± 1.7 |
23.69 ± 1.37 |
2.78 ± 0.10 |
| MX3 |
137.9 ± 2.0 |
5.8 ± 0.4 |
15.7 ± 0.8 |
49.7 ± 1.7 |
23.89 ± 1.38 |
2.78 ± 0.10 |
| RH8 |
15.1 ± 1.0 |
4.1 ± 0.3 |
11.2 ± 0.6 |
49.9 ± 1.7 |
3.67 ± 0.18 |
0.30 ± 0.03 |
| RH9 |
85.7 ± 1.1 |
6.4 ± 0.4 |
17.2 ± 0.9 |
49.6 ± 1.7 |
13.52 ± 0.69 |
1.73 ± 0.08 |
| RH10 |
85.7 ± 1.1 |
6.4 ± 0.4 |
17.2 ± 0.9 |
49.6 ± 1.7 |
13.52 ± 0.69 |
1.73 ± 0.08 |
| Average |
106.1 |
5.8 |
15.6 |
49.7 |
18.5 |
2.1 |
| Median |
137.7 |
5.9 |
16.0 |
49.7 |
23.4 |
2.8 |
| Deviation |
43.4 |
1.0 |
2.8 |
0.1 |
8.7 |
0.9 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
51.4 ± 4.7 |
14.8 ± 1.2 |
33.8 ± 3.3 |
87.0 ± 8.2 |
3.51 ± 0.58 |
0.60 ± 0.11 |
| VC |
66.1 ± 4.4 |
8.9 ± 0.7 |
20.5 ± 2.0 |
87.8 ± 8.3 |
7.49 ± 1.04 |
0.76 ± 0.12 |
| MX1 |
65.6 ± 4.6 |
11.9 ± 0.9 |
27.4 ± 2.7 |
87.5 ± 8.2 |
5.54 ± 0.79 |
0.76 ± 0.12 |
| MX2 |
65.7 ± 4.6 |
11.8 ± 0.9 |
27.1 ± 2.7 |
87.5 ± 8.2 |
5.62 ± 0.80 |
0.76 ± 0.12 |
| MX3 |
65.8 ± 4.6 |
11.7 ± 0.9 |
26.9 ± 2.6 |
87.5 ± 8.2 |
5.67 ± 0.80 |
0.76 ± 0.12 |
| RH8 |
9.3 ± 3.3 |
8.3 ± 0.7 |
19.2 ± 1.9 |
87.9 ± 8.3 |
1.13 ± 0.47 |
0.11 ± 0.05 |
| RH9 |
40.9 ± 4.4 |
12.8 ± 1.0 |
29.4 ± 2.9 |
87.4 ± 8.2 |
3.21 ± 0.57 |
0.47 ± 0.09 |
| RH10 |
40.9 ± 4.4 |
12.8 ± 1.0 |
29.4 ± 2.9 |
87.4 ± 8.2 |
3.21 ± 0.57 |
0.47 ± 0.09 |
| Average |
50.7 |
11.6 |
26.7 |
87.5 |
4.4 |
0.6 |
| Median |
65.6 |
11.9 |
27.4 |
87.5 |
5.5 |
0.8 |
| Deviation |
20.1 |
2.1 |
4.8 |
0.3 |
2.0 |
0.2 |
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)
| 
