Database: Ace Shock Analysis
Event ID: 20140071425
Observation time: 01/07/2014 7.60098 1425 [UT]
|
|
General
Information (About, Top)
| Year |
2014 |
| Fractional day of year |
7.600984 |
| Arrival time of shock [seconds of day] |
51925.0 ± 60.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
242.151 |
| Y GSE location of spacecraft [Re] |
6.110 |
| Z GSE location of spacecraft [Re] |
20.173 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0453 |
| Downstream plasma points selected for analysis |
0004
|
| Downstream field points selected for analysis |
0244 |
| Minimum chisq/dof for RH8,RH9,RH10 |
15.93, 32.13, 39.68 |
Event added to database
|
Fri Oct 10 13:56:38 2014
|
Event last processed
|
Tue Oct 14 16:18:21 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
48.251 ± 6.292
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-347.5 ± 3.4 |
-420.4 ± 5.2 |
| Vy GSE [km/s] |
-3.1 ± 5.5 |
-28.6 ± 8.0 |
| Vz GSE [km/s] |
13.0 ± 3.4 |
61.3 ± 4.0 |
| Wi [km/s] |
25.2 ± 0.6 |
37.4 ± 3.1 |
| We [km/s] |
795.5 ± 18.4 |
1183.8 ± 99.4 |
| Ni [n/cc] |
4.1 ± 0.4 |
10.5 ± 1.3 |
| Bx GSE [nT] |
-2.2 ± 0.4 |
-4.0 ± 0.3 |
| By GSE [nT] |
-1.0 ± 0.4 |
0.2 ± 0.4 |
| Bz GSE [nT] |
-1.7 ± 0.3 |
-4.9 ± 0.1 |
Plasma Beta
|
0.603 ± 0.641
|
0.782 ± 0.771
|
Sound Speed [km/s]
|
32.47 ± 0.75
|
48.33 ± 4.06
|
Alfven Speed [km/s]
|
32.64 ± 2.48
|
43.29 ± 3.64
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.639 ± 0.242 |
-0.769 ± 0.201 |
0.018 ± 0.018 |
1.04 ± 11.52 |
230.27 ± 18.05 |
| VC |
-0.802 ± 0.045 |
-0.280 ± 0.096 |
0.528 ± 0.472 |
31.84 ± 3.45 |
199.24 ± 6.83 |
| MX1 |
-0.879 ± 0.052 |
-0.308 ± 0.105 |
0.365 ± 0.348 |
21.39 ± 6.19 |
199.33 ± 6.78 |
| MX2 |
-0.883 ± 0.045 |
-0.267 ± 0.089 |
0.386 ± 0.365 |
22.70 ± 5.57 |
196.82 ± 5.76 |
| MX3 |
-0.885 ± 0.042 |
-0.241 ± 0.087 |
0.398 ± 0.375 |
23.44 ± 5.28 |
195.22 ± 5.58 |
| RH08 |
-0.921 ± 0.005 |
-0.138 ± 0.020 |
0.363 ± 0.346 |
21.29 ± 0.71 |
188.52 ± 1.24 |
| RH09 |
-0.159 ± 0.069 |
-0.974 ± 0.015 |
-0.162 ± 0.161 |
-9.32 ± 3.50 |
260.72 ± 4.06 |
| RH10 |
-0.456 ± 0.062 |
0.779 ± 0.043 |
0.430 ± 0.401 |
25.48 ± 3.89 |
120.33 ± 4.44 |
| Average |
-0.703 |
-0.275 |
0.291 |
17.232 |
198.809 |
| Median |
-0.802 |
-0.267 |
0.386 |
22.697 |
199.242 |
| Deviation |
0.271 |
0.516 |
0.235 |
13.893 |
39.830 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
44.7 ± 3.6 |
340.4 ± 3.2 |
2.62 ± 0.32 |
| VC |
67.3 ± 6.5 |
437.1 ± 3.2 |
2.62 ± 0.32 |
| MX1 |
57.0 ± 6.5 |
460.0 ± 3.3 |
2.62 ± 0.32 |
| MX2 |
58.5 ± 6.9 |
461.1 ± 3.3 |
2.62 ± 0.32 |
| MX3 |
59.4 ± 7.1 |
461.4 ± 3.3 |
2.62 ± 0.32 |
| RH08 |
58.4 ± 8.1 |
468.1 ± 3.3 |
2.62 ± 0.32 |
| RH09 |
58.1 ± 8.6 |
107.4 ± 2.6 |
2.62 ± 0.32 |
| RH10 |
80.8 ± 11.0 |
221.2 ± 12.6 |
2.62 ± 0.32 |
| Average |
60.5 |
369.6 |
2.62 |
| Median |
58.5 |
460.0 |
2.62 |
| Deviation |
10.2 |
136.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
115.7 ± 3.7 |
17.7 ± 0.6 |
23.2 ± 1.8 |
42.6 ± 1.7 |
6.56 ± 0.22 |
2.72 ± 0.10 |
| VC |
150.7 ± 3.4 |
9.0 ± 0.3 |
12.6 ± 1.0 |
45.2 ± 1.7 |
16.67 ± 0.50 |
3.34 ± 0.11 |
| MX1 |
148.9 ± 3.2 |
13.0 ± 0.5 |
17.8 ± 1.3 |
44.2 ± 1.7 |
11.43 ± 0.35 |
3.37 ± 0.11 |
| MX2 |
148.4 ± 3.3 |
12.5 ± 0.4 |
17.1 ± 1.3 |
44.4 ± 1.7 |
11.91 ± 0.38 |
3.35 ± 0.11 |
| MX3 |
147.8 ± 3.3 |
12.1 ± 0.4 |
16.6 ± 1.3 |
44.5 ± 1.7 |
12.20 ± 0.39 |
3.33 ± 0.11 |
| RH8 |
142.7 ± 3.5 |
12.5 ± 0.4 |
17.1 ± 1.3 |
44.4 ± 1.7 |
11.43 ± 0.40 |
3.22 ± 0.12 |
| RH9 |
51.2 ± 5.2 |
12.6 ± 0.4 |
17.2 ± 1.3 |
44.3 ± 1.7 |
4.06 ± 0.40 |
1.16 ± 0.11 |
| RH10 |
59.5 ± 5.8 |
3.7 ± 0.1 |
5.2 ± 0.4 |
45.9 ± 1.8 |
16.10 ± 1.73 |
1.30 ± 0.14 |
| Average |
120.6 |
11.6 |
15.9 |
44.4 |
11.3 |
2.7 |
| Median |
147.8 |
12.5 |
17.1 |
44.4 |
11.9 |
3.3 |
| Deviation |
41.9 |
4.0 |
5.2 |
1.0 |
4.3 |
0.9 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
48.7 ± 6.2 |
24.5 ± 0.5 |
30.7 ± 2.6 |
60.2 ± 1.3 |
1.99 ± 0.29 |
0.81 ± 0.08 |
| VC |
59.6 ± 3.3 |
12.6 ± 0.2 |
16.7 ± 1.4 |
63.8 ± 1.1 |
4.73 ± 0.28 |
0.93 ± 0.04 |
| MX1 |
59.4 ± 3.9 |
18.1 ± 0.3 |
23.6 ± 2.0 |
62.5 ± 1.2 |
3.28 ± 0.24 |
0.95 ± 0.05 |
| MX2 |
58.6 ± 3.9 |
17.4 ± 0.3 |
22.6 ± 1.9 |
62.7 ± 1.2 |
3.38 ± 0.24 |
0.93 ± 0.05 |
| MX3 |
58.0 ± 3.9 |
16.9 ± 0.3 |
22.0 ± 1.9 |
62.8 ± 1.2 |
3.44 ± 0.25 |
0.92 ± 0.05 |
| RH8 |
54.5 ± 4.2 |
17.4 ± 0.3 |
22.7 ± 1.9 |
62.7 ± 1.2 |
3.14 ± 0.25 |
0.87 ± 0.06 |
| RH9 |
22.6 ± 8.1 |
17.6 ± 0.3 |
22.9 ± 1.9 |
62.6 ± 1.2 |
1.29 ± 0.48 |
0.36 ± 0.12 |
| RH10 |
25.4 ± 8.2 |
5.2 ± 0.1 |
7.0 ± 0.6 |
64.8 ± 1.1 |
4.92 ± 1.53 |
0.39 ± 0.13 |
| Average |
48.3 |
16.2 |
21.0 |
62.8 |
3.3 |
0.8 |
| Median |
58.0 |
17.4 |
22.7 |
62.7 |
3.4 |
0.9 |
| Deviation |
15.5 |
5.5 |
6.8 |
1.3 |
1.2 |
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)
| 
