Database: Ace Shock Analysis
Event ID: 20050170715
Observation time: 01/17/2005 17.30274 0715 [UT]
|
|
General
Information (About, Top)
| Year |
2005 |
| Fractional day of year |
17.302744 |
| Arrival time of shock [seconds of day] |
26157.1 ± 60.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
224.417 |
| Y GSE location of spacecraft [Re] |
-37.466 |
| Z GSE location of spacecraft [Re] |
22.053 |
| Upstream plasma points selected for analysis |
0012 |
| Upstream field points selected for analysis |
0772 |
| Downstream plasma points selected for analysis |
0011
|
| Downstream field points selected for analysis |
0689 |
| Minimum chisq/dof for RH8,RH9,RH10 |
8.84, 16.98, 23.51 |
Event added to database
|
Fri Oct 10 13:26:02 2014
|
Event last processed
|
Wed Oct 15 11:20:41 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
33.761 ± 2.160
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-526.7 ± 7.1 |
-608.4 ± 5.8 |
| Vy GSE [km/s] |
25.9 ± 3.7 |
52.0 ± 6.2 |
| Vz GSE [km/s] |
22.4 ± 5.6 |
55.7 ± 4.5 |
| Wi [km/s] |
47.2 ± 2.6 |
72.6 ± 1.5 |
| We [km/s] |
1494.1 ± 83.0 |
2295.1 ± 48.4 |
| Ni [n/cc] |
4.3 ± 0.4 |
9.1 ± 0.7 |
| Bx GSE [nT] |
-1.9 ± 0.8 |
-3.5 ± 0.6 |
| By GSE [nT] |
0.3 ± 0.7 |
-0.4 ± 0.9 |
| Bz GSE [nT] |
-0.4 ± 1.0 |
0.3 ± 1.2 |
Plasma Beta
|
4.225 ± 3.430
|
7.611 ± 6.843
|
Sound Speed [km/s]
|
61.00 ± 3.39
|
93.70 ± 1.97
|
Alfven Speed [km/s]
|
24.37 ± 4.50
|
27.59 ± 4.62
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.947 ± 0.190 |
0.271 ± 0.590 |
-0.173 ± 0.171 |
-9.97 ± 30.17 |
164.05 ± 35.69 |
| VC |
-0.887 ± 0.037 |
0.285 ± 0.076 |
0.362 ± 0.346 |
21.24 ± 4.63 |
162.21 ± 4.85 |
| MX1 |
-0.950 ± 0.218 |
0.310 ± 0.666 |
-0.026 ± 0.026 |
-1.48 ± 35.31 |
161.94 ± 40.14 |
| MX2 |
-0.828 ± 0.404 |
0.501 ± 0.644 |
0.252 ± 0.247 |
14.62 ± 30.79 |
148.83 ± 44.30 |
| MX3 |
-0.843 ± 0.283 |
0.512 ± 0.454 |
0.168 ± 0.166 |
9.65 ± 27.52 |
148.72 ± 30.73 |
| RH08 |
-0.965 ± 0.002 |
0.145 ± 0.009 |
0.218 ± 0.214 |
12.58 ± 0.55 |
171.48 ± 0.55 |
| RH09 |
-0.069 ± 0.070 |
0.626 ± 0.055 |
0.777 ± 0.560 |
50.94 ± 4.02 |
96.27 ± 6.38 |
| RH10 |
0.087 ± 0.070 |
0.564 ± 0.057 |
0.821 ± 0.550 |
55.21 ± 3.98 |
81.23 ± 7.10 |
| Average |
-0.675 |
0.402 |
0.300 |
19.100 |
141.839 |
| Median |
-0.843 |
0.501 |
0.252 |
14.623 |
161.938 |
| Deviation |
0.427 |
0.171 |
0.350 |
23.124 |
33.886 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
31.9 ± 17.9 |
651.8 ± 2.1 |
2.12 ± 0.23 |
| VC |
46.8 ± 15.1 |
657.4 ± 2.2 |
2.12 ± 0.23 |
| MX1 |
35.2 ± 14.8 |
669.4 ± 2.2 |
2.12 ± 0.23 |
| MX2 |
46.5 ± 9.2 |
623.3 ± 2.2 |
2.12 ± 0.23 |
| MX3 |
44.0 ± 9.5 |
627.6 ± 2.2 |
2.12 ± 0.23 |
| RH08 |
40.6 ± 18.2 |
687.8 ± 2.2 |
2.12 ± 0.23 |
| RH09 |
88.9 ± 13.7 |
158.7 ± 1.3 |
2.12 ± 0.23 |
| RH10 |
82.9 ± 15.1 |
51.8 ± 13.0 |
2.12 ± 0.23 |
| Average |
52.1 |
516.0 |
2.12 |
| Median |
46.5 |
651.8 |
2.12 |
| Deviation |
21.5 |
256.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
149.9 ± 6.5 |
20.1 ± 3.6 |
20.7 ± 3.8 |
62.6 ± 3.4 |
7.70 ± 1.58 |
2.40 ± 0.17 |
| VC |
174.5 ± 6.7 |
15.9 ± 2.7 |
16.7 ± 3.1 |
63.8 ± 3.5 |
11.31 ± 2.17 |
2.74 ± 0.17 |
| MX1 |
161.4 ± 6.5 |
19.3 ± 3.4 |
19.9 ± 3.7 |
62.8 ± 3.4 |
8.63 ± 1.74 |
2.57 ± 0.17 |
| MX2 |
168.7 ± 6.0 |
16.0 ± 2.8 |
16.8 ± 3.1 |
63.8 ± 3.5 |
10.87 ± 2.08 |
2.65 ± 0.16 |
| MX3 |
166.8 ± 5.9 |
16.8 ± 2.9 |
17.5 ± 3.2 |
63.6 ± 3.5 |
10.26 ± 1.98 |
2.63 ± 0.16 |
| RH8 |
170.8 ± 7.0 |
17.8 ± 3.1 |
18.5 ± 3.4 |
63.3 ± 3.4 |
9.91 ± 1.96 |
2.71 ± 0.17 |
| RH9 |
88.9 ± 4.1 |
0.4 ± 0.1 |
0.5 ± 0.1 |
65.8 ± 3.7 |
204.73 ± 34.57 |
1.35 ± 0.07 |
| RH10 |
64.7 ± 4.2 |
2.8 ± 0.5 |
3.0 ± 0.6 |
65.8 ± 3.7 |
23.75 ± 3.96 |
0.98 ± 0.06 |
| Average |
143.2 |
13.6 |
14.2 |
63.9 |
35.9 |
2.3 |
| Median |
166.8 |
16.8 |
17.5 |
63.8 |
10.9 |
2.6 |
| Deviation |
42.2 |
7.6 |
7.8 |
1.2 |
68.4 |
0.7 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
71.2 ± 6.4 |
23.1 ± 3.8 |
23.4 ± 3.9 |
94.9 ± 1.8 |
3.15 ± 0.48 |
0.75 ± 0.07 |
| VC |
82.4 ± 5.2 |
18.4 ± 2.9 |
18.9 ± 3.2 |
96.0 ± 1.8 |
4.58 ± 0.77 |
0.86 ± 0.06 |
| MX1 |
76.4 ± 6.2 |
22.2 ± 3.6 |
22.6 ± 3.8 |
95.2 ± 1.8 |
3.52 ± 0.56 |
0.80 ± 0.07 |
| MX2 |
79.5 ± 5.7 |
18.5 ± 3.0 |
19.0 ± 3.2 |
96.0 ± 1.8 |
4.40 ± 0.74 |
0.83 ± 0.07 |
| MX3 |
79.0 ± 6.0 |
19.4 ± 3.1 |
19.8 ± 3.3 |
95.8 ± 1.8 |
4.17 ± 0.69 |
0.83 ± 0.07 |
| RH8 |
80.9 ± 5.5 |
20.5 ± 3.3 |
20.9 ± 3.5 |
95.6 ± 1.8 |
4.04 ± 0.66 |
0.85 ± 0.07 |
| RH9 |
41.0 ± 4.7 |
0.5 ± 0.1 |
0.5 ± 0.1 |
97.8 ± 1.9 |
81.20 ± 19.10 |
0.42 ± 0.05 |
| RH10 |
29.7 ± 4.8 |
3.3 ± 0.5 |
3.4 ± 0.6 |
97.7 ± 1.9 |
9.43 ± 2.65 |
0.30 ± 0.05 |
| Average |
67.5 |
15.7 |
16.1 |
96.1 |
14.3 |
0.7 |
| Median |
79.0 |
19.4 |
19.8 |
96.0 |
4.4 |
0.8 |
| Deviation |
20.4 |
8.7 |
8.9 |
1.1 |
27.1 |
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)
| 
