Database: Ace Shock Analysis
Event ID: 20001550804
Observation time: 06/03/2000 155.33622 0804 [UT]
|
|
General
Information (About, Top)
| Year |
2000 |
| Fractional day of year |
155.336215 |
| Arrival time of shock [seconds of day] |
29049.0 ± 16.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
0.036 |
| Y GSE location of spacecraft [Re] |
0.006 |
| Z GSE location of spacecraft [Re] |
-0.002 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0038 |
| Downstream plasma points selected for analysis |
0011
|
| Downstream field points selected for analysis |
0045 |
| Minimum chisq/dof for RH8,RH9,RH10 |
15.11, 19.66, 23.78 |
Event added to database
|
Sat Apr 30 21:46:16 2005
|
Event last processed
|
Wed Oct 15 16:05:06 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
0.008 ± 0.000
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-381.0 ± 1.3 |
-404.5 ± 4.0 |
| Vy GSE [km/s] |
-36.0 ± 1.3 |
-48.0 ± 2.9 |
| Vz GSE [km/s] |
5.3 ± 2.0 |
10.5 ± 2.5 |
| Wi [km/s] |
28.4 ± 0.4 |
35.5 ± 1.0 |
| We [km/s] |
899.2 ± 13.9 |
1121.3 ± 30.9 |
| Ni [n/cc] |
11.0 ± 0.6 |
15.5 ± 0.8 |
| Bx GSE [nT] |
2.8 ± 0.2 |
4.2 ± 0.2 |
| By GSE [nT] |
-5.0 ± 0.2 |
-7.2 ± 0.3 |
| Bz GSE [nT] |
-0.4 ± 0.4 |
0.7 ± 0.2 |
Plasma Beta
|
0.592 ± 0.587
|
0.613 ± 0.609
|
Sound Speed [km/s]
|
36.72 ± 0.59
|
45.71 ± 1.28
|
Alfven Speed [km/s]
|
37.00 ± 0.73
|
45.31 ± 1.58
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.980 ± 0.206 |
0.005 ± 1.158 |
0.198 ± 0.196 |
11.43 ± 59.47 |
179.71 ± 67.67 |
| VC |
-0.870 ± 0.039 |
-0.450 ± 0.064 |
0.202 ± 0.199 |
11.67 ± 6.92 |
207.32 ± 4.13 |
| MX1 |
-0.866 ± 0.067 |
-0.458 ± 0.121 |
0.201 ± 0.198 |
11.59 ± 6.97 |
207.87 ± 7.94 |
| MX2 |
-0.865 ± 0.062 |
-0.459 ± 0.111 |
0.201 ± 0.198 |
11.58 ± 6.85 |
207.94 ± 7.33 |
| MX3 |
-0.865 ± 0.056 |
-0.460 ± 0.098 |
0.203 ± 0.200 |
11.68 ± 7.30 |
207.99 ± 6.42 |
| RH08 |
-0.936 ± 0.004 |
-0.314 ± 0.009 |
0.162 ± 0.161 |
9.32 ± 0.85 |
198.55 ± 0.54 |
| RH09 |
-0.570 ± 0.054 |
-0.015 ± 0.062 |
0.821 ± 0.550 |
55.21 ± 3.78 |
181.50 ± 6.26 |
| RH10 |
-0.688 ± 0.051 |
-0.153 ± 0.069 |
0.709 ± 0.556 |
45.19 ± 4.03 |
192.53 ± 5.70 |
| Average |
-0.830 |
-0.288 |
0.337 |
20.960 |
197.929 |
| Median |
-0.865 |
-0.314 |
0.202 |
11.669 |
207.324 |
| Deviation |
0.134 |
0.205 |
0.266 |
18.262 |
12.069 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
60.4 ± 2.2 |
456.8 ± 1.6 |
1.43 ± 0.10 |
| VC |
87.4 ± 2.2 |
442.6 ± 1.8 |
1.43 ± 0.10 |
| MX1 |
87.9 ± 2.2 |
441.4 ± 1.8 |
1.43 ± 0.10 |
| MX2 |
88.0 ± 2.2 |
441.2 ± 1.8 |
1.43 ± 0.10 |
| MX3 |
88.0 ± 2.2 |
441.0 ± 1.8 |
1.43 ± 0.10 |
| RH08 |
78.9 ± 2.1 |
460.9 ± 1.8 |
1.43 ± 0.10 |
| RH09 |
71.1 ± 3.0 |
282.8 ± 1.1 |
1.43 ± 0.10 |
| RH10 |
75.4 ± 2.9 |
347.0 ± 13.0 |
1.43 ± 0.10 |
| Average |
79.6 |
414.2 |
1.43 |
| Median |
87.4 |
441.4 |
1.43 |
| Deviation |
10.2 |
64.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
82.5 ± 1.5 |
13.3 ± 0.1 |
18.3 ± 0.4 |
50.4 ± 0.4 |
6.19 ± 0.10 |
1.64 ± 0.03 |
| VC |
93.5 ± 1.3 |
1.2 ± 0.0 |
1.7 ± 0.0 |
52.1 ± 0.4 |
78.33 ± 1.13 |
1.79 ± 0.03 |
| MX1 |
93.6 ± 1.3 |
1.0 ± 0.0 |
1.3 ± 0.0 |
52.1 ± 0.4 |
98.46 ± 1.42 |
1.79 ± 0.03 |
| MX2 |
93.6 ± 1.3 |
0.9 ± 0.0 |
1.3 ± 0.0 |
52.1 ± 0.4 |
102.06 ± 1.47 |
1.79 ± 0.03 |
| MX3 |
93.5 ± 1.3 |
0.9 ± 0.0 |
1.3 ± 0.0 |
52.1 ± 0.4 |
104.26 ± 1.51 |
1.79 ± 0.03 |
| RH8 |
92.1 ± 1.3 |
5.0 ± 0.0 |
7.1 ± 0.1 |
51.9 ± 0.4 |
18.28 ± 0.26 |
1.78 ± 0.02 |
| RH9 |
60.5 ± 2.1 |
8.6 ± 0.1 |
12.0 ± 0.2 |
51.4 ± 0.4 |
7.06 ± 0.22 |
1.18 ± 0.04 |
| RH10 |
75.4 ± 2.0 |
6.6 ± 0.1 |
9.4 ± 0.2 |
51.7 ± 0.4 |
11.36 ± 0.26 |
1.46 ± 0.03 |
| Average |
85.6 |
4.7 |
6.5 |
51.7 |
53.3 |
1.7 |
| Median |
93.5 |
5.0 |
7.1 |
52.1 |
78.3 |
1.8 |
| Deviation |
12.2 |
4.6 |
6.3 |
0.6 |
46.3 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
58.5 ± 3.8 |
16.4 ± 0.4 |
22.4 ± 0.8 |
62.2 ± 1.5 |
3.56 ± 0.31 |
0.94 ± 0.08 |
| VC |
66.4 ± 4.6 |
1.5 ± 0.0 |
2.1 ± 0.1 |
64.4 ± 1.6 |
45.16 ± 4.15 |
1.03 ± 0.09 |
| MX1 |
66.5 ± 4.6 |
1.2 ± 0.0 |
1.7 ± 0.1 |
64.4 ± 1.6 |
56.77 ± 5.22 |
1.03 ± 0.09 |
| MX2 |
66.5 ± 4.6 |
1.1 ± 0.0 |
1.6 ± 0.1 |
64.4 ± 1.6 |
58.85 ± 5.41 |
1.03 ± 0.09 |
| MX3 |
66.5 ± 4.6 |
1.1 ± 0.0 |
1.6 ± 0.1 |
64.4 ± 1.6 |
60.12 ± 5.52 |
1.03 ± 0.09 |
| RH8 |
65.4 ± 4.5 |
6.2 ± 0.2 |
8.7 ± 0.3 |
64.1 ± 1.6 |
10.53 ± 0.96 |
1.02 ± 0.09 |
| RH9 |
42.5 ± 2.6 |
10.6 ± 0.3 |
14.7 ± 0.5 |
63.5 ± 1.6 |
4.03 ± 0.31 |
0.67 ± 0.05 |
| RH10 |
53.6 ± 3.1 |
8.2 ± 0.2 |
11.5 ± 0.4 |
63.8 ± 1.6 |
6.55 ± 0.51 |
0.84 ± 0.06 |
| Average |
60.7 |
5.8 |
8.0 |
63.9 |
30.7 |
1.0 |
| Median |
66.4 |
6.2 |
8.7 |
64.4 |
45.2 |
1.0 |
| Deviation |
8.8 |
5.7 |
7.8 |
0.7 |
26.7 |
0.1 |
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)
| 
