Database: Ace Shock Analysis
Event ID: 20043120959
Observation time: 11/07/2004 312.41631 0959 [UT]
|
|
General
Information (About, Top)
| Year |
2004 |
| Fractional day of year |
312.416306 |
| Arrival time of shock [seconds of day] |
35968.8 ± 10.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
241.367 |
| Y GSE location of spacecraft [Re] |
24.836 |
| Z GSE location of spacecraft [Re] |
-16.276 |
| Upstream plasma points selected for analysis |
0005 |
| Upstream field points selected for analysis |
0298 |
| Downstream plasma points selected for analysis |
0001
|
| Downstream field points selected for analysis |
0102 |
| Minimum chisq/dof for RH8,RH9,RH10 |
-15336.47,-11588.97, -9295.88 |
Event added to database
|
Wed Oct 15 10:49:53 2014
|
Event last processed
|
Wed Oct 15 11:36:40 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
-164.179 ± 7458.611
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-345.9 ± 1.6 |
-404.8 ± -404.8 |
| Vy GSE [km/s] |
-57.9 ± 1.7 |
-111.3 ± -111.3 |
| Vz GSE [km/s] |
-18.3 ± 0.9 |
-22.6 ± -22.6 |
| Wi [km/s] |
20.0 ± 0.6 |
33.5 ± 33.5 |
| We [km/s] |
632.3 ± 19.3 |
1059.3 ± 1059.3 |
| Ni [n/cc] |
21.4 ± 1.1 |
60.7 ± 60.7 |
| Bx GSE [nT] |
1.5 ± 0.3 |
2.1 ± 2.1 |
| By GSE [nT] |
-4.8 ± 0.2 |
-8.9 ± -8.9 |
| Bz GSE [nT] |
1.3 ± 0.3 |
8.1 ± 8.1 |
Plasma Beta
|
0.675 ± 0.677
|
0.959 ± 0.959
|
Sound Speed [km/s]
|
25.81 ± 0.79
|
43.24 ± 43.24
|
Alfven Speed [km/s]
|
24.38 ± 0.76
|
34.21 ± 34.21
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.801 ± 0.682 |
0.517 ± 1.043 |
0.302 ± 0.292 |
17.56 ± 27.40 |
147.19 ± 74.37 |
| VC |
-0.740 ± 0.009 |
-0.671 ± 0.009 |
-0.053 ± 0.053 |
-3.06 ± 0.64 |
222.22 ± 0.73 |
| MX1 |
-0.909 ± 0.024 |
-0.392 ± 0.055 |
-0.144 ± 0.143 |
-8.26 ± 0.72 |
203.31 ± 3.49 |
| MX2 |
-0.823 ± 0.013 |
-0.520 ± 0.019 |
-0.228 ± 0.224 |
-13.15 ± 1.35 |
212.27 ± 1.30 |
| MX3 |
-0.780 ± 0.012 |
-0.569 ± 0.014 |
-0.260 ± 0.254 |
-15.09 ± 1.59 |
216.08 ± 1.01 |
| RH08 |
-0.127 ± 0.070 |
0.463 ± 0.062 |
-0.877 ± 0.514 |
-61.29 ± 4.00 |
105.29 ± 8.41 |
| RH09 |
-0.135 ± 0.018 |
0.461 ± 0.030 |
-0.877 ± 0.514 |
-61.29 ± 2.00 |
106.30 ± 2.00 |
| RH10 |
-0.127 ± 0.018 |
0.463 ± 0.030 |
-0.877 ± 0.514 |
-61.29 ± 2.00 |
105.29 ± 2.00 |
| Average |
-0.555 |
-0.031 |
-0.377 |
-25.736 |
164.743 |
| Median |
-0.740 |
0.461 |
-0.228 |
-13.151 |
203.313 |
| Deviation |
0.356 |
0.548 |
0.448 |
31.074 |
54.087 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
50.6 ± 4.3 |
270.0 ± 0.2 |
2.84 ± 0.15 |
| VC |
66.6 ± 2.6 |
418.7 ± 1.4 |
2.84 ± 0.15 |
| MX1 |
86.1 ± 2.6 |
455.6 ± 1.2 |
2.84 ± 0.15 |
| MX2 |
79.0 ± 2.2 |
438.3 ± 1.3 |
2.84 ± 0.15 |
| MX3 |
76.1 ± 2.1 |
427.2 ± 1.3 |
2.84 ± 0.15 |
| RH08 |
47.3 ± 3.3 |
11.5 ± 0.5 |
2.84 ± 0.15 |
| RH09 |
47.3 ± 3.3 |
15.4 ± 0.4 |
2.84 ± 0.15 |
| RH10 |
47.3 ± 3.3 |
11.5 ± 0.9 |
2.84 ± 0.15 |
| Average |
62.6 |
256.0 |
2.84 |
| Median |
66.6 |
418.7 |
2.84 |
| Deviation |
16.3 |
209.2 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
28.2 ± 1.0 |
11.9 ± 0.2 |
15.5 ± 0.5 |
33.4 ± 0.7 |
2.37 ± 0.10 |
0.84 ± 0.03 |
| VC |
123.1 ± 2.1 |
7.2 ± 0.1 |
9.7 ± 0.3 |
34.8 ± 0.7 |
17.18 ± 0.52 |
3.54 ± 0.11 |
| MX1 |
115.9 ± 2.0 |
1.2 ± 0.0 |
1.7 ± 0.1 |
35.5 ± 0.7 |
96.62 ± 2.83 |
3.27 ± 0.10 |
| MX2 |
119.3 ± 2.1 |
3.4 ± 0.1 |
4.6 ± 0.1 |
35.4 ± 0.7 |
35.22 ± 1.03 |
3.38 ± 0.10 |
| MX3 |
119.6 ± 2.1 |
4.3 ± 0.1 |
5.8 ± 0.2 |
35.3 ± 0.7 |
27.96 ± 0.82 |
3.39 ± 0.10 |
| RH8 |
-21.5 ± 1.1 |
12.9 ± 0.3 |
16.5 ± 0.5 |
33.1 ± 0.7 |
-1.67 ± 0.11 |
-0.65 ± 0.05 |
| RH9 |
-20.6 ± 1.1 |
12.9 ± 0.3 |
16.5 ± 0.5 |
33.1 ± 0.7 |
-1.60 ± 0.11 |
-0.62 ± 0.04 |
| RH10 |
-21.5 ± 1.1 |
12.9 ± 0.3 |
16.5 ± 0.5 |
33.1 ± 0.7 |
-1.67 ± 0.11 |
-0.65 ± 0.05 |
| Average |
55.3 |
8.3 |
10.9 |
34.2 |
21.8 |
1.6 |
| Median |
115.9 |
11.9 |
15.5 |
34.8 |
17.2 |
3.3 |
| Deviation |
70.5 |
4.9 |
6.2 |
1.1 |
33.5 |
2.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
9.9 ± 9.9 |
18.0 ± 18.0 |
21.7 ± 21.7 |
52.1 ± 52.1 |
0.55 ± 0.55 |
0.19 ± 0.19 |
| VC |
43.4 ± 43.4 |
10.8 ± 10.8 |
13.6 ± 13.6 |
54.1 ± 54.1 |
4.00 ± 4.00 |
0.80 ± 0.80 |
| MX1 |
40.8 ± 40.8 |
1.8 ± 1.8 |
2.3 ± 2.3 |
55.1 ± 55.1 |
22.44 ± 22.44 |
0.74 ± 0.74 |
| MX2 |
42.0 ± 42.0 |
5.1 ± 5.1 |
6.5 ± 6.5 |
54.9 ± 54.9 |
8.18 ± 8.18 |
0.76 ± 0.76 |
| MX3 |
42.1 ± 42.1 |
6.5 ± 6.5 |
8.2 ± 8.2 |
54.8 ± 54.8 |
6.50 ± 6.50 |
0.77 ± 0.77 |
| RH8 |
-7.9 ± -7.9 |
19.4 ± 19.4 |
23.2 ± 23.2 |
51.6 ± 51.6 |
-0.41 ± -0.41 |
-0.15 ± -0.15 |
| RH9 |
-7.6 ± -7.6 |
19.4 ± 19.4 |
23.2 ± 23.2 |
51.6 ± 51.6 |
-0.39 ± -0.39 |
-0.15 ± -0.15 |
| RH10 |
-7.9 ± -7.9 |
19.4 ± 19.4 |
23.2 ± 23.2 |
51.6 ± 51.6 |
-0.41 ± -0.41 |
-0.15 ± -0.15 |
| Average |
19.3 |
12.6 |
15.2 |
53.2 |
5.1 |
0.4 |
| Median |
40.8 |
18.0 |
21.7 |
54.1 |
4.0 |
0.7 |
| Deviation |
25.0 |
7.4 |
8.7 |
1.6 |
7.8 |
0.5 |
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)
| 
