Database: Ace Shock Analysis
Event ID: 20130191646
Observation time: 01/19/2013 19.69868 1646 [UT]
|
|
General
Information (About, Top)
| Year |
2013 |
| Fractional day of year |
19.698681 |
| Arrival time of shock [seconds of day] |
60366.0 ± 100.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
242.318 |
| Y GSE location of spacecraft [Re] |
8.379 |
| Z GSE location of spacecraft [Re] |
13.722 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0007 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0008 |
| Minimum chisq/dof for RH8,RH9,RH10 |
6.18, 9.93, 10.15 |
Event added to database
|
Fri Oct 10 09:57:54 2014
|
Event last processed
|
Wed Oct 15 11:10:30 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
61.676 ± 2.207
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-383.7 ± 3.1 |
-426.5 ± 2.6 |
| Vy GSE [km/s] |
21.8 ± 3.3 |
67.0 ± 4.4 |
| Vz GSE [km/s] |
-11.4 ± 3.6 |
-22.1 ± 4.4 |
| Wi [km/s] |
15.8 ± 1.9 |
40.0 ± 1.4 |
| We [km/s] |
501.1 ± 59.0 |
1264.6 ± 44.0 |
| Ni [n/cc] |
4.7 ± 0.9 |
13.9 ± 0.9 |
| Bx GSE [nT] |
-3.1 ± 0.2 |
-2.7 ± 0.2 |
| By GSE [nT] |
2.9 ± 0.1 |
3.4 ± 0.6 |
| Bz GSE [nT] |
1.3 ± 0.2 |
3.0 ± 0.6 |
Plasma Beta
|
0.133 ± 0.125
|
1.666 ± 1.752
|
Sound Speed [km/s]
|
20.46 ± 2.41
|
51.63 ± 1.80
|
Alfven Speed [km/s]
|
45.18 ± 6.22
|
31.20 ± 2.07
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.811 ± 0.066 |
0.585 ± 0.091 |
0.024 ± 0.024 |
1.39 ± 9.94 |
144.21 ± 6.41 |
| VC |
-0.678 ± 0.057 |
0.715 ± 0.054 |
-0.170 ± 0.168 |
-9.77 ± 4.88 |
133.50 ± 4.51 |
| MX1 |
-0.703 ± 0.065 |
0.708 ± 0.065 |
-0.067 ± 0.067 |
-3.83 ± 12.80 |
134.76 ± 5.22 |
| MX2 |
-0.690 ± 0.059 |
0.720 ± 0.057 |
-0.074 ± 0.074 |
-4.22 ± 12.00 |
133.78 ± 4.61 |
| MX3 |
-0.682 ± 0.071 |
0.727 ± 0.067 |
-0.078 ± 0.078 |
-4.48 ± 11.43 |
133.17 ± 5.54 |
| RH08 |
-0.911 ± 0.010 |
-0.379 ± 0.023 |
0.162 ± 0.161 |
9.32 ± 0.83 |
202.56 ± 1.48 |
| RH09 |
-0.989 ± 0.010 |
0.148 ± 0.067 |
0.028 ± 0.028 |
1.60 ± 4.06 |
171.48 ± 3.91 |
| RH10 |
-0.989 ± 0.010 |
0.148 ± 0.067 |
0.028 ± 0.028 |
1.60 ± 4.06 |
171.48 ± 3.91 |
| Average |
-0.807 |
0.422 |
-0.018 |
-1.049 |
153.117 |
| Median |
-0.703 |
0.708 |
0.024 |
1.388 |
144.205 |
| Deviation |
0.138 |
0.408 |
0.100 |
5.773 |
25.890 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
17.5 ± 3.1 |
417.4 ± 1.4 |
3.11 ± 0.76 |
| VC |
27.0 ± 2.7 |
374.5 ± 1.5 |
3.11 ± 0.76 |
| MX1 |
21.0 ± 2.7 |
382.1 ± 1.5 |
3.11 ± 0.76 |
| MX2 |
21.5 ± 2.7 |
377.7 ± 1.5 |
3.11 ± 0.76 |
| MX3 |
21.8 ± 2.6 |
374.8 ± 1.5 |
3.11 ± 0.76 |
| RH08 |
64.7 ± 2.3 |
370.1 ± 0.7 |
3.11 ± 0.76 |
| RH09 |
37.8 ± 2.7 |
457.3 ± 1.1 |
3.11 ± 0.76 |
| RH10 |
37.8 ± 2.7 |
457.3 ± 7.9 |
3.11 ± 0.76 |
| Average |
31.1 |
401.4 |
3.11 |
| Median |
27.0 |
382.1 |
3.11 |
| Deviation |
15.6 |
37.5 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
93.7 ± 1.6 |
19.3 ± 2.2 |
43.1 ± 5.9 |
45.7 ± 6.1 |
4.92 ± 0.56 |
2.08 ± 0.26 |
| VC |
96.6 ± 1.9 |
17.7 ± 1.9 |
40.3 ± 5.5 |
46.4 ± 5.9 |
5.51 ± 0.60 |
2.11 ± 0.27 |
| MX1 |
96.3 ± 1.7 |
18.8 ± 2.1 |
42.2 ± 5.8 |
46.0 ± 6.0 |
5.19 ± 0.59 |
2.13 ± 0.27 |
| MX2 |
96.3 ± 1.7 |
18.7 ± 2.1 |
42.0 ± 5.8 |
46.0 ± 6.0 |
5.21 ± 0.59 |
2.12 ± 0.27 |
| MX3 |
96.3 ± 1.7 |
18.6 ± 2.1 |
41.9 ± 5.8 |
46.0 ± 6.0 |
5.23 ± 0.59 |
2.12 ± 0.27 |
| RH8 |
30.5 ± 4.2 |
8.0 ± 0.7 |
19.3 ± 2.7 |
49.1 ± 5.4 |
3.81 ± 0.51 |
0.62 ± 0.09 |
| RH9 |
75.0 ± 2.8 |
15.4 ± 1.6 |
35.7 ± 4.9 |
47.2 ± 5.7 |
4.91 ± 0.47 |
1.61 ± 0.18 |
| RH10 |
75.0 ± 2.8 |
15.4 ± 1.6 |
35.7 ± 4.9 |
47.2 ± 5.7 |
4.91 ± 0.47 |
1.61 ± 0.18 |
| Average |
82.5 |
16.5 |
37.5 |
46.7 |
5.0 |
1.8 |
| Median |
96.3 |
18.6 |
41.9 |
46.4 |
5.2 |
2.1 |
| Deviation |
23.0 |
3.7 |
7.9 |
1.1 |
0.5 |
0.5 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
32.8 ± 3.8 |
29.0 ± 1.7 |
29.8 ± 2.0 |
52.9 ± 1.6 |
1.13 ± 0.15 |
0.62 ± 0.08 |
| VC |
33.4 ± 3.7 |
26.4 ± 1.5 |
27.8 ± 1.8 |
54.2 ± 1.6 |
1.27 ± 0.17 |
0.62 ± 0.08 |
| MX1 |
33.4 ± 3.8 |
28.2 ± 1.6 |
29.1 ± 1.9 |
53.4 ± 1.6 |
1.19 ± 0.16 |
0.63 ± 0.09 |
| MX2 |
33.4 ± 3.9 |
28.0 ± 1.6 |
29.0 ± 1.9 |
53.4 ± 1.6 |
1.20 ± 0.17 |
0.63 ± 0.09 |
| MX3 |
33.4 ± 3.9 |
27.9 ± 1.6 |
29.0 ± 1.9 |
53.5 ± 1.6 |
1.20 ± 0.17 |
0.63 ± 0.09 |
| RH8 |
10.3 ± 3.0 |
11.6 ± 0.5 |
13.4 ± 0.9 |
59.2 ± 1.6 |
0.89 ± 0.25 |
0.17 ± 0.05 |
| RH9 |
26.3 ± 2.9 |
22.7 ± 1.2 |
24.6 ± 1.6 |
55.9 ± 1.5 |
1.16 ± 0.14 |
0.47 ± 0.06 |
| RH10 |
26.3 ± 2.9 |
22.7 ± 1.2 |
24.6 ± 1.6 |
55.9 ± 1.5 |
1.16 ± 0.14 |
0.47 ± 0.06 |
| Average |
28.7 |
24.6 |
25.9 |
54.8 |
1.2 |
0.5 |
| Median |
33.4 |
27.9 |
29.0 |
54.2 |
1.2 |
0.6 |
| Deviation |
8.1 |
5.8 |
5.5 |
2.1 |
0.1 |
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)
| 
