Database: Wind Shock Analysis
Event ID: 20012950041
Observation time: 10/22/2001 295.02894 0041 [UT]
|
|
General
Information (About, Top)
| Year |
2001 |
| Fractional day of year |
295.028941 |
| Arrival time of shock [seconds of day] |
2500.5 ± 3.0 |
| Shock type |
FR |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
39.094 |
| Y GSE location of spacecraft [Re] |
-5.154 |
| Z GSE location of spacecraft [Re] |
2.955 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0279 |
| Downstream plasma points selected for analysis |
0006
|
| Downstream field points selected for analysis |
0178 |
| Minimum chisq/dof for RH8,RH9,RH10 |
3.82, 5.16, 5.28 |
Event added to database
|
Mon Feb 14 11:16:02 2005
|
Event last processed
|
Mon Mar 30 21:54:12 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
6.962 ± 0.196
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-653.6 ± 3.9 |
-684.6 ± 2.9 |
| Vy GSE [km/s] |
-15.5 ± 6.1 |
5.3 ± 2.0 |
| Vz GSE [km/s] |
14.5 ± 9.0 |
12.0 ± 1.9 |
| Wi [km/s] |
43.9 ± 1.0 |
36.8 ± 1.7 |
| We [km/s] |
1387.1 ± 30.3 |
1163.7 ± 53.9 |
| Ni [n/cc] |
49.2 ± 3.0 |
30.8 ± 1.2 |
| Bx GSE [nT] |
-10.2 ± 1.7 |
-7.7 ± 0.8 |
| By GSE [nT] |
-14.7 ± 1.3 |
-8.5 ± 0.4 |
| Bz GSE [nT] |
-7.3 ± 2.9 |
-0.3 ± 1.9 |
Plasma Beta
|
0.520 ± 0.516
|
0.671 ± 0.679
|
Sound Speed [km/s]
|
56.63 ± 1.24
|
47.51 ± 2.20
|
Alfven Speed [km/s]
|
61.16 ± 3.47
|
45.55 ± 3.92
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.767 ± 0.208 |
-0.404 ± 0.313 |
0.499 ± 0.453 |
29.94 ± 17.22 |
207.76 ± 22.81 |
| VC |
-0.833 ± 0.087 |
0.551 ± 0.130 |
-0.046 ± 0.046 |
-2.62 ± 13.07 |
146.53 ± 8.96 |
| MX1 |
-0.900 ± 0.088 |
0.421 ± 0.183 |
-0.115 ± 0.115 |
-6.61 ± 10.87 |
154.95 ± 11.65 |
| MX2 |
-0.940 ± 0.096 |
0.335 ± 0.266 |
-0.063 ± 0.063 |
-3.64 ± 12.25 |
160.37 ± 16.22 |
| MX3 |
-0.875 ± 0.086 |
0.461 ± 0.158 |
-0.147 ± 0.146 |
-8.46 ± 10.67 |
152.21 ± 10.28 |
| RH08 |
-0.991 ± 0.003 |
0.078 ± 0.026 |
0.106 ± 0.106 |
6.09 ± 1.50 |
175.49 ± 1.52 |
| RH09 |
-0.991 ± 0.009 |
0.113 ± 0.068 |
0.073 ± 0.072 |
4.16 ± 4.03 |
173.48 ± 3.95 |
| RH10 |
-0.991 ± 0.009 |
0.113 ± 0.068 |
0.073 ± 0.072 |
4.16 ± 4.03 |
173.48 ± 3.95 |
| Average |
-0.911 |
0.209 |
0.047 |
2.880 |
168.034 |
| Median |
-0.900 |
0.335 |
0.073 |
4.165 |
173.482 |
| Deviation |
0.083 |
0.305 |
0.205 |
12.174 |
19.404 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
58.8 ± 8.6 |
496.3 ± 16.1 |
0.61 ± 0.03 |
| VC |
88.0 ± 4.6 |
474.5 ± 14.1 |
0.61 ± 0.03 |
| MX1 |
78.8 ± 4.6 |
520.5 ± 14.4 |
0.61 ± 0.03 |
| MX2 |
74.9 ± 4.7 |
548.7 ± 13.3 |
0.61 ± 0.03 |
| MX3 |
80.6 ± 4.6 |
502.6 ± 15.0 |
0.61 ± 0.03 |
| RH08 |
65.4 ± 5.4 |
593.2 ± 11.2 |
0.61 ± 0.03 |
| RH09 |
66.3 ± 5.2 |
590.1 ± 11.4 |
0.61 ± 0.03 |
| RH10 |
66.3 ± 5.2 |
590.1 ± 11.4 |
0.61 ± 0.03 |
| Average |
72.4 |
539.5 |
0.61 |
| Median |
74.9 |
548.7 |
0.61 |
| Deviation |
9.8 |
47.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-18.3 ± 5.6 |
22.3 ± 0.5 |
31.7 ± 1.8 |
80.3 ± 2.3 |
-0.82 ± 0.25 |
-0.23 ± 0.07 |
| VC |
-61.0 ± 5.3 |
1.5 ± 0.0 |
2.2 ± 0.1 |
83.4 ± 2.4 |
-41.47 ± 3.18 |
-0.73 ± 0.05 |
| MX1 |
-59.5 ± 5.5 |
8.1 ± 0.2 |
11.9 ± 0.7 |
83.0 ± 2.4 |
-7.35 ± 0.60 |
-0.72 ± 0.06 |
| MX2 |
-59.5 ± 4.9 |
10.9 ± 0.2 |
15.9 ± 0.9 |
82.7 ± 2.3 |
-5.48 ± 0.40 |
-0.72 ± 0.05 |
| MX3 |
-60.1 ± 5.8 |
6.8 ± 0.2 |
9.9 ± 0.6 |
83.1 ± 2.4 |
-8.87 ± 0.77 |
-0.72 ± 0.06 |
| RH8 |
-55.1 ± 3.4 |
17.7 ± 0.4 |
25.5 ± 1.4 |
81.5 ± 2.3 |
-3.11 ± 0.17 |
-0.68 ± 0.04 |
| RH9 |
-56.9 ± 3.6 |
17.1 ± 0.4 |
24.6 ± 1.4 |
81.6 ± 2.3 |
-3.33 ± 0.19 |
-0.70 ± 0.04 |
| RH10 |
-56.9 ± 3.6 |
17.1 ± 0.4 |
24.6 ± 1.4 |
81.6 ± 2.3 |
-3.33 ± 0.19 |
-0.70 ± 0.04 |
| Average |
-53.4 |
12.7 |
18.3 |
82.2 |
-9.2 |
-0.6 |
| Median |
-56.9 |
17.1 |
24.6 |
82.7 |
-3.3 |
-0.7 |
| Deviation |
14.3 |
7.0 |
9.9 |
1.0 |
13.3 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-32.5 ± 3.4 |
17.6 ± 0.8 |
23.6 ± 2.0 |
63.5 ± 2.4 |
-1.85 ± 0.17 |
-0.51 ± 0.05 |
| VC |
-98.3 ± 2.4 |
1.2 ± 0.1 |
1.6 ± 0.1 |
65.9 ± 2.5 |
-84.95 ± 4.57 |
-1.49 ± 0.07 |
| MX1 |
-96.4 ± 2.4 |
6.4 ± 0.3 |
8.8 ± 0.8 |
65.6 ± 2.5 |
-15.12 ± 0.79 |
-1.47 ± 0.07 |
| MX2 |
-95.8 ± 2.6 |
8.6 ± 0.4 |
11.8 ± 1.0 |
65.3 ± 2.5 |
-11.19 ± 0.57 |
-1.47 ± 0.07 |
| MX3 |
-97.1 ± 2.4 |
5.3 ± 0.2 |
7.4 ± 0.6 |
65.7 ± 2.5 |
-18.21 ± 0.96 |
-1.48 ± 0.07 |
| RH8 |
-87.2 ± 3.0 |
14.0 ± 0.6 |
19.0 ± 1.6 |
64.4 ± 2.4 |
-6.25 ± 0.31 |
-1.36 ± 0.06 |
| RH9 |
-89.8 ± 2.9 |
13.5 ± 0.6 |
18.3 ± 1.6 |
64.5 ± 2.4 |
-6.68 ± 0.33 |
-1.39 ± 0.07 |
| RH10 |
-89.8 ± 2.9 |
13.5 ± 0.6 |
18.3 ± 1.6 |
64.5 ± 2.4 |
-6.68 ± 0.33 |
-1.39 ± 0.07 |
| Average |
-85.9 |
10.0 |
13.6 |
64.9 |
-18.9 |
-1.3 |
| Median |
-89.8 |
13.5 |
18.3 |
65.3 |
-6.7 |
-1.4 |
| Deviation |
21.9 |
5.5 |
7.4 |
0.8 |
27.2 |
0.3 |
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 Fri Jun 13 11:06:02 2014
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
