Database: Ace Shock Analysis
Event ID: 20001510121
Observation time: 05/30/2000 151.05641 0121 [UT]
|
|
General
Information (About, Top)
| Year |
2000 |
| Fractional day of year |
151.056412 |
| Arrival time of shock [seconds of day] |
4874.0 ± 16.0 |
| Shock type |
FR |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
0.036 |
| Y GSE location of spacecraft [Re] |
0.005 |
| Z GSE location of spacecraft [Re] |
-0.003 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0034 |
| Downstream plasma points selected for analysis |
0011
|
| Downstream field points selected for analysis |
0042 |
| Minimum chisq/dof for RH8,RH9,RH10 |
10.70, 16.97, 17.72 |
Event added to database
|
Sat Apr 30 21:46:12 2005
|
Event last processed
|
Wed Oct 15 16:02:16 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] |
-560.8 ± 13.0 |
-648.6 ± 11.8 |
| Vy GSE [km/s] |
47.5 ± 15.9 |
-4.4 ± 8.5 |
| Vz GSE [km/s] |
11.8 ± 14.2 |
19.8 ± 9.1 |
| Wi [km/s] |
77.3 ± 2.6 |
68.8 ± 4.9 |
| We [km/s] |
2443.1 ± 81.4 |
2174.9 ± 155.8 |
| Ni [n/cc] |
2.2 ± 0.1 |
1.3 ± 0.1 |
| Bx GSE [nT] |
5.6 ± 0.4 |
3.3 ± 0.7 |
| By GSE [nT] |
-9.2 ± 0.8 |
-6.0 ± 0.4 |
| Bz GSE [nT] |
3.8 ± 1.3 |
2.1 ± 0.5 |
Plasma Beta
|
0.208 ± 0.210
|
0.261 ± 0.254
|
Sound Speed [km/s]
|
99.86 ± 3.28
|
88.83 ± 6.33
|
Alfven Speed [km/s]
|
170.02 ± 5.59
|
135.26 ± 4.12
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.980 ± 0.155 |
0.083 ± 0.993 |
0.183 ± 0.181 |
10.56 ± 40.90 |
175.18 ± 58.11 |
| VC |
-0.862 ± 0.050 |
-0.499 ± 0.083 |
0.087 ± 0.087 |
5.01 ± 8.90 |
210.08 ± 5.52 |
| MX1 |
-0.809 ± 0.124 |
-0.576 ± 0.173 |
0.119 ± 0.119 |
6.85 ± 7.78 |
215.48 ± 12.27 |
| MX2 |
-0.803 ± 0.136 |
-0.586 ± 0.186 |
0.110 ± 0.110 |
6.32 ± 8.07 |
216.10 ± 13.22 |
| MX3 |
-0.815 ± 0.111 |
-0.564 ± 0.160 |
0.131 ± 0.130 |
7.50 ± 7.85 |
214.68 ± 11.19 |
| RH08 |
-0.966 ± 0.004 |
-0.251 ± 0.013 |
0.061 ± 0.061 |
3.52 ± 0.69 |
194.54 ± 0.79 |
| RH09 |
-0.993 ± 0.008 |
-0.096 ± 0.068 |
0.061 ± 0.061 |
3.52 ± 4.03 |
185.52 ± 3.95 |
| RH10 |
-0.995 ± 0.007 |
-0.079 ± 0.069 |
0.061 ± 0.061 |
3.52 ± 4.03 |
184.51 ± 3.95 |
| Average |
-0.903 |
-0.321 |
0.102 |
5.850 |
199.512 |
| Median |
-0.862 |
-0.251 |
0.110 |
6.318 |
210.079 |
| Deviation |
0.088 |
0.268 |
0.043 |
2.481 |
16.517 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
60.7 ± 3.3 |
421.7 ± 4.7 |
0.63 ± 0.06 |
| VC |
90.0 ± 2.9 |
291.7 ± 7.0 |
0.63 ± 0.06 |
| MX1 |
84.4 ± 2.9 |
257.4 ± 7.1 |
0.63 ± 0.06 |
| MX2 |
84.0 ± 2.9 |
253.9 ± 7.1 |
0.63 ± 0.06 |
| MX3 |
84.9 ± 2.9 |
261.9 ± 7.1 |
0.63 ± 0.06 |
| RH08 |
75.1 ± 2.8 |
370.3 ± 6.2 |
0.63 ± 0.06 |
| RH09 |
66.8 ± 2.8 |
402.9 ± 5.6 |
0.63 ± 0.06 |
| RH10 |
65.9 ± 2.8 |
405.2 ± 54.7 |
0.63 ± 0.06 |
| Average |
76.5 |
333.1 |
0.63 |
| Median |
84.0 |
370.3 |
0.63 |
| Deviation |
10.9 |
73.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-134.1 ± 11.6 |
43.2 ± 1.1 |
83.2 ± 2.7 |
192.4 ± 4.8 |
-3.11 ± 0.31 |
-0.70 ± 0.06 |
| VC |
-170.0 ± 18.5 |
0.0 ± 0.0 |
0.0 ± 0.0 |
197.2 ± 4.8 |
******* ± 1112.81 |
-0.86 ± 0.09 |
| MX1 |
-171.0 ± 19.0 |
8.4 ± 0.2 |
16.7 ± 0.5 |
197.0 ± 4.8 |
-20.27 ± 2.43 |
-0.87 ± 0.10 |
| MX2 |
-170.9 ± 19.1 |
9.1 ± 0.2 |
17.9 ± 0.6 |
197.0 ± 4.8 |
-18.88 ± 2.27 |
-0.87 ± 0.10 |
| MX3 |
-171.0 ± 18.9 |
7.6 ± 0.2 |
15.1 ± 0.5 |
197.1 ± 4.8 |
-22.41 ± 2.67 |
-0.87 ± 0.10 |
| RH8 |
-160.9 ± 16.2 |
22.3 ± 0.5 |
43.8 ± 1.4 |
196.0 ± 4.8 |
-7.21 ± 0.79 |
-0.82 ± 0.08 |
| RH9 |
-150.9 ± 14.3 |
34.5 ± 0.9 |
67.0 ± 2.2 |
194.2 ± 4.8 |
-4.38 ± 0.46 |
-0.78 ± 0.07 |
| RH10 |
-150.3 ± 14.0 |
35.8 ± 0.9 |
69.5 ± 2.3 |
193.9 ± 4.8 |
-4.20 ± 0.44 |
-0.77 ± 0.07 |
| Average |
-159.9 |
20.1 |
39.2 |
195.6 |
-1193.2 |
-0.8 |
| Median |
-160.9 |
22.3 |
43.8 |
197.0 |
-7.2 |
-0.8 |
| Deviation |
13.7 |
16.1 |
31.0 |
1.8 |
3342.3 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-217.2 ± 10.6 |
37.3 ± 1.8 |
66.2 ± 2.0 |
157.6 ± 3.7 |
-5.83 ± 0.14 |
-1.38 ± 0.05 |
| VC |
-272.5 ± 13.7 |
0.0 ± 0.0 |
0.0 ± 0.0 |
161.9 ± 3.9 |
******* ± 479.80 |
-1.68 ± 0.07 |
| MX1 |
-273.1 ± 13.6 |
7.3 ± 0.3 |
13.3 ± 0.4 |
161.8 ± 3.9 |
-37.59 ± 1.03 |
-1.69 ± 0.07 |
| MX2 |
-273.0 ± 13.6 |
7.8 ± 0.4 |
14.2 ± 0.4 |
161.8 ± 3.9 |
-35.01 ± 0.97 |
-1.69 ± 0.07 |
| MX3 |
-273.2 ± 13.5 |
6.6 ± 0.3 |
12.0 ± 0.4 |
161.8 ± 3.9 |
-41.56 ± 1.13 |
-1.69 ± 0.07 |
| RH8 |
-259.4 ± 13.1 |
19.2 ± 0.9 |
34.9 ± 1.1 |
160.8 ± 3.9 |
-13.49 ± 0.35 |
-1.61 ± 0.07 |
| RH9 |
-243.7 ± 12.3 |
29.7 ± 1.4 |
53.3 ± 1.6 |
159.2 ± 3.8 |
-8.20 ± 0.20 |
-1.53 ± 0.06 |
| RH10 |
-242.3 ± 12.2 |
30.9 ± 1.5 |
55.3 ± 1.7 |
159.0 ± 3.8 |
-7.85 ± 0.19 |
-1.52 ± 0.06 |
| Average |
-256.8 |
17.3 |
31.1 |
160.5 |
-2220.7 |
-1.6 |
| Median |
-259.4 |
19.2 |
34.9 |
161.8 |
-13.5 |
-1.6 |
| Deviation |
20.7 |
13.9 |
24.7 |
1.7 |
6220.5 |
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)
| 
