Database: Ace Shock Analysis
Event ID: 20000361449
Observation time: 02/05/2000 36.61749 1449 [UT]
|
|
General
Information (About, Top)
| Year |
2000 |
| Fractional day of year |
36.617488 |
| Arrival time of shock [seconds of day] |
53351.0 ± 16.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
0.038 |
| Y GSE location of spacecraft [Re] |
-0.000 |
| Z GSE location of spacecraft [Re] |
0.004 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0033 |
| Downstream plasma points selected for analysis |
0006
|
| Downstream field points selected for analysis |
0025 |
| Minimum chisq/dof for RH8,RH9,RH10 |
11.30, 21.88, 22.60 |
Event added to database
|
Sat Apr 30 21:45:44 2005
|
Event last processed
|
Wed Oct 15 15:54:41 2014
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
0.010 ± 0.000
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-374.5 ± 0.7 |
-397.6 ± 1.8 |
| Vy GSE [km/s] |
-8.3 ± 0.7 |
-32.5 ± 3.6 |
| Vz GSE [km/s] |
16.5 ± 1.8 |
19.2 ± 1.5 |
| Wi [km/s] |
19.0 ± 1.4 |
25.3 ± 0.9 |
| We [km/s] |
600.0 ± 42.9 |
800.4 ± 27.9 |
| Ni [n/cc] |
6.5 ± 0.4 |
13.3 ± 1.2 |
| Bx GSE [nT] |
-2.9 ± 0.2 |
-2.3 ± 0.4 |
| By GSE [nT] |
4.7 ± 0.1 |
7.0 ± 0.5 |
| Bz GSE [nT] |
0.2 ± 0.3 |
-0.4 ± 0.4 |
Plasma Beta
|
0.176 ± 0.182
|
0.349 ± 0.369
|
Sound Speed [km/s]
|
24.84 ± 1.95
|
32.79 ± 1.13
|
Alfven Speed [km/s]
|
45.99 ± 1.42
|
43.29 ± 4.04
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.898 ± 0.093 |
0.326 ± 0.200 |
0.294 ± 0.285 |
17.11 ± 11.93 |
160.03 ± 12.72 |
| VC |
-0.699 ± 0.071 |
-0.712 ± 0.069 |
0.071 ± 0.071 |
4.10 ± 3.71 |
225.52 ± 5.68 |
| MX1 |
-0.965 ± 0.057 |
0.248 ± 0.219 |
0.082 ± 0.082 |
4.69 ± 3.25 |
165.56 ± 12.99 |
| MX2 |
-0.978 ± 0.045 |
0.211 ± 0.208 |
0.002 ± 0.002 |
0.09 ± 5.53 |
167.83 ± 12.20 |
| MX3 |
-0.954 ± 0.108 |
0.027 ± 0.250 |
-0.298 ± 0.289 |
-17.32 ± 20.73 |
178.35 ± 15.04 |
| RH08 |
-0.994 ± 0.002 |
0.114 ± 0.014 |
-0.006 ± 0.006 |
-0.32 ± 0.72 |
173.48 ± 0.83 |
| RH09 |
-0.997 ± 0.005 |
-0.079 ± 0.068 |
-0.017 ± 0.017 |
-0.96 ± 4.05 |
184.51 ± 3.91 |
| RH10 |
-0.997 ± 0.005 |
-0.079 ± 0.068 |
-0.017 ± 0.017 |
-0.96 ± 4.05 |
184.51 ± 3.91 |
| Average |
-0.935 |
0.007 |
0.014 |
0.804 |
179.976 |
| Median |
-0.965 |
0.114 |
0.002 |
0.089 |
178.355 |
| Deviation |
0.101 |
0.326 |
0.163 |
9.475 |
20.401 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
41.0 ± 3.9 |
366.3 ± 1.3 |
2.04 ± 0.10 |
| VC |
75.7 ± 3.0 |
333.9 ± 1.2 |
2.04 ± 0.10 |
| MX1 |
44.7 ± 3.0 |
393.5 ± 1.3 |
2.04 ± 0.10 |
| MX2 |
47.1 ± 2.6 |
398.6 ± 1.4 |
2.04 ± 0.10 |
| MX3 |
60.2 ± 1.4 |
391.8 ± 1.3 |
2.04 ± 0.10 |
| RH08 |
52.7 ± 2.6 |
410.1 ± 1.4 |
2.04 ± 0.10 |
| RH09 |
63.7 ± 2.6 |
420.8 ± 1.4 |
2.04 ± 0.10 |
| RH10 |
63.7 ± 2.6 |
420.8 ± 8.9 |
2.04 ± 0.10 |
| Average |
56.1 |
392.0 |
2.04 |
| Median |
60.2 |
398.6 |
2.04 |
| Deviation |
11.8 |
29.4 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
28.2 ± 1.1 |
17.5 ± 1.2 |
34.7 ± 1.1 |
49.3 ± 1.6 |
1.62 ± 0.14 |
0.57 ± 0.03 |
| VC |
64.9 ± 0.8 |
5.4 ± 0.4 |
11.4 ± 0.4 |
52.0 ± 1.8 |
12.01 ± 0.92 |
1.25 ± 0.05 |
| MX1 |
33.0 ± 0.9 |
16.4 ± 1.1 |
32.7 ± 1.0 |
49.7 ± 1.6 |
2.03 ± 0.16 |
0.67 ± 0.02 |
| MX2 |
34.5 ± 0.8 |
15.6 ± 1.1 |
31.3 ± 1.0 |
49.9 ± 1.6 |
2.22 ± 0.17 |
0.69 ± 0.02 |
| MX3 |
39.5 ± 0.6 |
11.1 ± 0.7 |
22.9 ± 0.7 |
51.1 ± 1.7 |
3.56 ± 0.26 |
0.77 ± 0.02 |
| RH8 |
39.2 ± 0.7 |
13.7 ± 0.9 |
27.9 ± 0.9 |
50.5 ± 1.7 |
2.87 ± 0.22 |
0.78 ± 0.03 |
| RH9 |
47.2 ± 0.7 |
9.8 ± 0.7 |
20.4 ± 0.6 |
51.4 ± 1.8 |
4.82 ± 0.37 |
0.92 ± 0.03 |
| RH10 |
47.2 ± 0.7 |
9.8 ± 0.7 |
20.4 ± 0.6 |
51.4 ± 1.8 |
4.82 ± 0.37 |
0.92 ± 0.03 |
| Average |
41.7 |
12.4 |
25.2 |
50.6 |
4.2 |
0.8 |
| Median |
39.5 |
13.7 |
27.9 |
51.1 |
3.6 |
0.8 |
| Deviation |
11.5 |
4.1 |
7.9 |
1.0 |
3.4 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
14.2 ± 2.7 |
21.4 ± 1.0 |
32.7 ± 3.0 |
49.9 ± 3.7 |
0.67 ± 0.14 |
0.29 ± 0.07 |
| VC |
31.7 ± 2.0 |
6.5 ± 0.3 |
10.7 ± 1.0 |
53.9 ± 3.8 |
4.88 ± 0.26 |
0.59 ± 0.04 |
| MX1 |
16.2 ± 2.5 |
20.0 ± 1.0 |
30.8 ± 2.9 |
50.5 ± 3.7 |
0.82 ± 0.14 |
0.32 ± 0.06 |
| MX2 |
16.7 ± 2.3 |
19.0 ± 0.9 |
29.5 ± 2.8 |
50.9 ± 3.7 |
0.88 ± 0.14 |
0.33 ± 0.06 |
| MX3 |
18.6 ± 1.7 |
13.4 ± 0.7 |
21.5 ± 2.0 |
52.7 ± 3.7 |
1.39 ± 0.17 |
0.36 ± 0.05 |
| RH8 |
18.7 ± 2.1 |
16.6 ± 0.8 |
26.2 ± 2.4 |
51.7 ± 3.7 |
1.13 ± 0.16 |
0.36 ± 0.06 |
| RH9 |
22.2 ± 1.7 |
11.8 ± 0.6 |
19.2 ± 1.8 |
53.0 ± 3.7 |
1.88 ± 0.19 |
0.42 ± 0.05 |
| RH10 |
22.2 ± 1.7 |
11.8 ± 0.6 |
19.2 ± 1.8 |
53.0 ± 3.7 |
1.88 ± 0.19 |
0.42 ± 0.05 |
| Average |
20.1 |
15.1 |
23.7 |
52.0 |
1.7 |
0.4 |
| Median |
18.7 |
16.6 |
26.2 |
52.7 |
1.4 |
0.4 |
| Deviation |
5.5 |
5.1 |
7.4 |
1.4 |
1.4 |
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)
| 
