Database: Ace Shock Analysis
Event ID: 20003020908
Observation time: 10/28/2000 302.38064 0908 [UT]
|
|
General
Information (About, Top)
| Year |
2000 |
| Fractional day of year |
302.380637 |
| Arrival time of shock [seconds of day] |
32887.0 ± 16.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
0.035 |
| Y GSE location of spacecraft [Re] |
0.000 |
| Z GSE location of spacecraft [Re] |
-0.003 |
| Upstream plasma points selected for analysis |
0011 |
| Upstream field points selected for analysis |
0043 |
| Downstream plasma points selected for analysis |
0004
|
| Downstream field points selected for analysis |
0018 |
| Minimum chisq/dof for RH8,RH9,RH10 |
10.57, 14.85, 15.56 |
Event added to database
|
Sat Apr 30 21:48:03 2005
|
Event last processed
|
Tue May 3 13:36:56 2005
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
0.008 ± 0.000
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-368.9 ± 3.0 |
-428.6 ± 2.3 |
| Vy GSE [km/s] |
-44.6 ± 4.0 |
-27.2 ± 4.1 |
| Vz GSE [km/s] |
28.5 ± 4.0 |
50.3 ± 3.5 |
| Wi [km/s] |
37.2 ± 2.4 |
50.0 ± 2.8 |
| We [km/s] |
1176.5 ± 76.5 |
1581.8 ± 89.3 |
| Ni [n/cc] |
8.9 ± 1.0 |
26.6 ± 1.0 |
| Bx GSE [nT] |
-3.1 ± 0.3 |
-2.3 ± 0.3 |
| By GSE [nT] |
5.8 ± 0.3 |
11.3 ± 1.1 |
| Bz GSE [nT] |
0.2 ± 0.5 |
-0.5 ± 0.3 |
Plasma Beta
|
0.592 ± 0.598
|
1.083 ± 1.115
|
Sound Speed [km/s]
|
48.03 ± 3.12
|
64.58 ± 3.64
|
Alfven Speed [km/s]
|
48.68 ± 3.20
|
49.00 ± 5.07
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.966 ± 0.039 |
0.188 ± 0.119 |
0.177 ± 0.175 |
10.17 ± 10.34 |
169.00 ± 7.06 |
| VC |
-0.908 ± 0.029 |
0.263 ± 0.074 |
0.327 ± 0.315 |
19.11 ± 3.62 |
163.83 ± 4.66 |
| MX1 |
-0.919 ± 0.033 |
0.185 ± 0.110 |
0.349 ± 0.334 |
20.41 ± 4.13 |
168.59 ± 6.87 |
| MX2 |
-0.922 ± 0.032 |
0.186 ± 0.111 |
0.341 ± 0.327 |
19.91 ± 3.90 |
168.62 ± 6.87 |
| MX3 |
-0.924 ± 0.031 |
0.186 ± 0.111 |
0.334 ± 0.321 |
19.49 ± 3.78 |
168.64 ± 6.86 |
| RH08 |
-0.982 ± 0.003 |
0.095 ± 0.009 |
0.162 ± 0.161 |
9.32 ± 0.97 |
174.48 ± 0.53 |
| RH09 |
-0.977 ± 0.015 |
0.112 ± 0.069 |
0.184 ± 0.182 |
10.62 ± 4.03 |
173.48 ± 4.02 |
| RH10 |
-0.977 ± 0.015 |
0.112 ± 0.070 |
0.184 ± 0.182 |
10.62 ± 4.00 |
173.48 ± 4.11 |
| Average |
-0.947 |
0.166 |
0.257 |
14.957 |
170.018 |
| Median |
-0.924 |
0.186 |
0.327 |
19.109 |
169.005 |
| Deviation |
0.031 |
0.056 |
0.086 |
5.131 |
3.568 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
51.4 ± 3.5 |
451.5 ± 6.5 |
3.04 ± 0.45 |
| VC |
48.1 ± 4.1 |
432.1 ± 7.2 |
3.04 ± 0.45 |
| MX1 |
52.8 ± 4.1 |
440.0 ± 6.9 |
3.04 ± 0.45 |
| MX2 |
52.7 ± 4.1 |
440.8 ± 6.9 |
3.04 ± 0.45 |
| MX3 |
52.6 ± 4.0 |
441.5 ± 6.9 |
3.04 ± 0.45 |
| RH08 |
56.6 ± 3.5 |
459.2 ± 6.0 |
3.04 ± 0.45 |
| RH09 |
55.8 ± 3.5 |
457.7 ± 6.1 |
3.04 ± 0.45 |
| RH10 |
55.8 ± 3.5 |
457.7 ± 6.1 |
3.04 ± 0.45 |
| Average |
53.2 |
447.6 |
3.04 |
| Median |
52.8 |
451.5 |
3.04 |
| Deviation |
2.8 |
10.3 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
98.4 ± 3.0 |
22.6 ± 1.1 |
30.4 ± 2.0 |
64.6 ± 3.2 |
4.37 ± 0.13 |
1.52 ± 0.05 |
| VC |
99.8 ± 3.1 |
24.4 ± 1.2 |
32.5 ± 2.1 |
64.0 ± 3.1 |
4.10 ± 0.14 |
1.56 ± 0.06 |
| MX1 |
99.4 ± 3.3 |
21.8 ± 1.1 |
29.4 ± 1.9 |
64.9 ± 3.2 |
4.57 ± 0.15 |
1.53 ± 0.05 |
| MX2 |
99.4 ± 3.3 |
21.8 ± 1.1 |
29.5 ± 1.9 |
64.9 ± 3.2 |
4.56 ± 0.15 |
1.53 ± 0.05 |
| MX3 |
99.4 ± 3.3 |
21.9 ± 1.1 |
29.6 ± 1.9 |
64.9 ± 3.2 |
4.55 ± 0.15 |
1.53 ± 0.05 |
| RH8 |
96.5 ± 3.1 |
19.6 ± 1.0 |
26.8 ± 1.8 |
65.6 ± 3.2 |
4.94 ± 0.14 |
1.47 ± 0.04 |
| RH9 |
97.3 ± 3.1 |
20.1 ± 1.0 |
27.4 ± 1.8 |
65.4 ± 3.2 |
4.85 ± 0.14 |
1.49 ± 0.05 |
| RH10 |
97.3 ± 3.1 |
20.1 ± 1.0 |
27.4 ± 1.8 |
65.4 ± 3.2 |
4.85 ± 0.14 |
1.49 ± 0.05 |
| Average |
98.4 |
21.5 |
29.1 |
65.0 |
4.6 |
1.5 |
| Median |
99.4 |
21.8 |
29.5 |
64.9 |
4.6 |
1.5 |
| Deviation |
1.3 |
1.6 |
1.9 |
0.5 |
0.3 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
33.6 ± 3.3 |
25.5 ± 1.4 |
30.6 ± 3.2 |
77.1 ± 1.7 |
1.32 ± 0.07 |
0.44 ± 0.04 |
| VC |
33.9 ± 4.0 |
27.5 ± 1.5 |
32.7 ± 3.4 |
76.4 ± 1.6 |
1.23 ± 0.09 |
0.44 ± 0.05 |
| MX1 |
33.8 ± 3.8 |
24.6 ± 1.3 |
29.6 ± 3.1 |
77.4 ± 1.7 |
1.37 ± 0.09 |
0.44 ± 0.04 |
| MX2 |
33.7 ± 3.8 |
24.7 ± 1.4 |
29.7 ± 3.1 |
77.4 ± 1.7 |
1.36 ± 0.09 |
0.44 ± 0.04 |
| MX3 |
33.7 ± 3.7 |
24.7 ± 1.4 |
29.8 ± 3.1 |
77.4 ± 1.7 |
1.36 ± 0.09 |
0.44 ± 0.04 |
| RH8 |
32.7 ± 3.0 |
22.2 ± 1.2 |
26.9 ± 2.8 |
78.1 ± 1.7 |
1.47 ± 0.06 |
0.42 ± 0.03 |
| RH9 |
33.0 ± 3.1 |
22.7 ± 1.2 |
27.6 ± 2.9 |
78.0 ± 1.7 |
1.45 ± 0.07 |
0.42 ± 0.03 |
| RH10 |
33.0 ± 3.1 |
22.7 ± 1.2 |
27.6 ± 2.9 |
78.0 ± 1.7 |
1.45 ± 0.07 |
0.42 ± 0.03 |
| Average |
33.4 |
24.4 |
29.3 |
77.5 |
1.4 |
0.4 |
| Median |
33.7 |
24.7 |
29.7 |
77.4 |
1.4 |
0.4 |
| Deviation |
0.5 |
1.8 |
1.9 |
0.6 |
0.1 |
0.0 |
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)
| 
