Database: Ace Shock Analysis
Event ID: 20051670808
Observation time: 06/16/2005 167.33955 0808 [UT]
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General
Information (About, Top)
Year |
2005 |
Fractional day of year |
167.339549 |
Arrival time of shock [seconds of day] |
29337.0 ± 60.0 |
Shock type |
FF |
Electron data availability |
0 |
X GSE location of spacecraft [Re] |
243.434 |
Y GSE location of spacecraft [Re] |
-33.914 |
Z GSE location of spacecraft [Re] |
11.966 |
Upstream plasma points selected for analysis |
0008 |
Upstream field points selected for analysis |
0538 |
Downstream plasma points selected for analysis |
0007
|
Downstream field points selected for analysis |
0446 |
Minimum chisq/dof for RH8,RH9,RH10 |
38.31, 93.20, 95.48 |
Event added to database
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Fri Oct 10 16:06:22 2014
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Event last processed
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Wed Oct 15 11:35:52 2014
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Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
126.020 ± 50.424
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Asymptotic
plasma
parameters (About, Top)
Parameter
|
Upstream
|
Downstream
|
Vx GSE [km/s] |
-464.2 ± 3.5 |
-523.4 ± 6.0 |
Vy GSE [km/s] |
16.5 ± 6.9 |
-4.7 ± 2.9 |
Vz GSE [km/s] |
19.8 ± 1.3 |
54.5 ± 5.1 |
Wi [km/s] |
17.7 ± 1.4 |
30.3 ± 2.8 |
We [km/s] |
559.0 ± 45.4 |
958.7 ± 88.6 |
Ni [n/cc] |
6.2 ± 0.5 |
7.2 ± 0.8 |
Bx GSE [nT] |
6.7 ± 0.3 |
9.2 ± 0.2 |
By GSE [nT] |
-7.8 ± 1.4 |
-17.9 ± 0.3 |
Bz GSE [nT] |
5.4 ± 1.6 |
5.9 ± 0.8 |
Plasma Beta
|
0.029 ± 0.032
|
0.032 ± 0.031
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Sound Speed [km/s]
|
22.82 ± 1.85
|
39.14 ± 3.62
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Alfven Speed [km/s]
|
104.03 ± 5.64
|
171.18 ± 12.07
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Best values of
shock
front normal for each method (About, Top)
Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
MC |
-0.778 ± 0.220 |
-0.171 ± 0.133 |
-0.604 ± 0.517 |
-37.17 ± 21.16 |
192.37 ± 9.14 |
VC |
-0.824 ± 0.054 |
-0.297 ± 0.099 |
0.483 ± 0.441 |
28.89 ± 5.20 |
199.83 ± 6.81 |
MX1 |
-0.899 ± 0.048 |
-0.193 ± 0.060 |
0.393 ± 0.372 |
23.17 ± 6.88 |
192.10 ± 3.80 |
MX2 |
-0.874 ± 0.045 |
-0.191 ± 0.066 |
0.448 ± 0.415 |
26.60 ± 5.58 |
192.32 ± 4.27 |
MX3 |
-0.854 ± 0.047 |
-0.188 ± 0.069 |
0.485 ± 0.443 |
29.00 ± 5.36 |
192.41 ± 4.59 |
RH08 |
-0.281 ± 0.013 |
-0.267 ± 0.013 |
-0.922 ± 0.455 |
-67.19 ± 0.94 |
223.62 ± 1.59 |
RH09 |
-0.985 ± 0.012 |
-0.113 ± 0.068 |
0.128 ± 0.128 |
7.38 ± 4.02 |
186.52 ± 3.97 |
RH10 |
-0.984 ± 0.013 |
-0.112 ± 0.068 |
0.140 ± 0.139 |
8.03 ± 4.03 |
186.52 ± 3.99 |
Average |
-0.810 |
-0.191 |
0.069 |
2.339 |
195.710 |
Median |
-0.854 |
-0.188 |
0.393 |
23.169 |
192.371 |
Deviation |
0.226 |
0.065 |
0.539 |
35.639 |
12.022 |
Key shock
parameters (About, Top)
Method |
ThetaBn |
Shock Speed |
Compression |
MC |
52.2 ± 8.3 |
471.3 ± 105.4 |
1.17 ± 0.15 |
VC |
87.1 ± 2.4 |
744.4 ± 208.5 |
1.17 ± 0.15 |
MX1 |
78.3 ± 2.4 |
773.5 ± 210.0 |
1.17 ± 0.15 |
MX2 |
80.5 ± 2.6 |
763.6 ± 209.6 |
1.17 ± 0.15 |
MX3 |
82.0 ± 2.8 |
755.0 ± 208.9 |
1.17 ± 0.15 |
RH08 |
65.7 ± 10.2 |
52.4 ± 12.4 |
1.17 ± 0.15 |
RH09 |
64.7 ± 2.2 |
777.7 ± 200.7 |
1.17 ± 0.15 |
RH10 |
65.1 ± 2.2 |
778.9 ± 1492.9 |
1.17 ± 0.15 |
Average |
71.9 |
639.6 |
1.17 |
Median |
78.3 |
763.6 |
1.17 |
Deviation |
11.8 |
258.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
124.8 ± 2.6 |
13.8 ± 1.1 |
63.7 ± 3.5 |
105.6 ± 5.5 |
9.12 ± 0.69 |
1.18 ± 0.06 |
VC |
357.4 ± 2.3 |
1.1 ± 0.1 |
5.3 ± 0.3 |
106.5 ± 5.4 |
319.44 ± 23.12 |
3.36 ± 0.18 |
MX1 |
351.6 ± 2.6 |
4.5 ± 0.3 |
21.2 ± 1.1 |
106.4 ± 5.4 |
77.86 ± 5.78 |
3.31 ± 0.18 |
MX2 |
352.3 ± 2.5 |
3.7 ± 0.3 |
17.2 ± 0.9 |
106.5 ± 5.4 |
96.00 ± 7.11 |
3.32 ± 0.18 |
MX3 |
351.9 ± 2.4 |
3.1 ± 0.2 |
14.5 ± 0.8 |
106.5 ± 5.4 |
113.90 ± 8.43 |
3.31 ± 0.18 |
RH8 |
-55.2 ± 2.0 |
9.2 ± 0.7 |
42.8 ± 2.3 |
106.1 ± 5.4 |
-6.04 ± 0.62 |
-0.52 ± 0.04 |
RH9 |
319.5 ± 3.1 |
9.6 ± 0.7 |
44.5 ± 2.4 |
106.1 ± 5.4 |
33.60 ± 2.56 |
3.02 ± 0.16 |
RH10 |
321.3 ± 3.1 |
9.4 ± 0.7 |
43.8 ± 2.4 |
106.1 ± 5.4 |
34.26 ± 2.61 |
3.04 ± 0.16 |
Average |
265.5 |
6.8 |
31.6 |
106.2 |
84.8 |
2.5 |
Median |
351.6 |
9.2 |
42.8 |
106.4 |
77.9 |
3.3 |
Deviation |
151.0 |
4.3 |
19.9 |
0.3 |
103.7 |
1.4 |
Downstream wave speeds
and
mach numbers (About, Top)
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
MC |
96.1 ± 7.4 |
23.6 ± 2.1 |
104.8 ± 7.4 |
174.0 ± 12.1 |
4.12 ± 0.64 |
0.56 ± 0.07 |
VC |
285.6 ± 3.4 |
1.9 ± 0.2 |
8.6 ± 0.6 |
175.6 ± 12.2 |
149.46 ± 14.46 |
1.63 ± 0.12 |
MX1 |
280.7 ± 4.0 |
7.8 ± 0.7 |
34.8 ± 2.5 |
175.5 ± 12.2 |
36.40 ± 3.63 |
1.61 ± 0.12 |
MX2 |
281.0 ± 3.8 |
6.3 ± 0.6 |
28.3 ± 2.0 |
175.5 ± 12.2 |
44.84 ± 4.42 |
1.61 ± 0.12 |
MX3 |
280.6 ± 3.6 |
5.3 ± 0.5 |
23.9 ± 1.7 |
175.5 ± 12.2 |
53.17 ± 5.19 |
1.60 ± 0.11 |
RH8 |
-45.5 ± 6.4 |
15.7 ± 1.4 |
70.4 ± 5.0 |
174.9 ± 12.1 |
-2.89 ± 0.27 |
-0.26 ± 0.02 |
RH9 |
254.4 ± 5.4 |
16.4 ± 1.5 |
73.2 ± 5.2 |
174.9 ± 12.1 |
15.67 ± 1.67 |
1.46 ± 0.12 |
RH10 |
255.8 ± 5.4 |
16.1 ± 1.4 |
72.1 ± 5.1 |
174.9 ± 12.1 |
15.98 ± 1.70 |
1.47 ± 0.12 |
Average |
211.1 |
11.6 |
52.0 |
175.1 |
39.6 |
1.2 |
Median |
280.6 |
15.7 |
70.4 |
175.5 |
36.4 |
1.6 |
Deviation |
121.3 |
7.4 |
32.8 |
0.5 |
48.5 |
0.7 |
Survey interval (About, Top)
Selected
data (About, Top)
Key plasma parameters
|
Velocity
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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)
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