Database: Wind Shock Analysis
Event ID: 20010811359
Observation time: 03/22/2001 81.58273 1359 [UT]
|
|
General
Information (About, Top)
| Year |
2001 |
| Fractional day of year |
81.582726 |
| Arrival time of shock [seconds of day] |
50347.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
-10.711 |
| Y GSE location of spacecraft [Re] |
-215.936 |
| Z GSE location of spacecraft [Re] |
5.680 |
| Upstream plasma points selected for analysis |
0008 |
| Upstream field points selected for analysis |
0244 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0232 |
| Minimum chisq/dof for RH8,RH9,RH10 |
5.21, 26.00, 26.58 |
Event added to database
|
Mon Feb 14 11:12:55 2005
|
Event last processed
|
Mon Mar 30 20:35:08 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
-2.544 ± 0.880
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-310.2 ± 1.3 |
-350.9 ± 2.6 |
| Vy GSE [km/s] |
-13.7 ± 3.1 |
-24.0 ± 3.3 |
| Vz GSE [km/s] |
10.6 ± 1.5 |
21.1 ± 1.8 |
| Wi [km/s] |
20.8 ± 0.6 |
29.6 ± 1.4 |
| We [km/s] |
656.2 ± 18.3 |
935.9 ± 45.7 |
| Ni [n/cc] |
19.8 ± 1.6 |
45.8 ± 3.4 |
| Bx GSE [nT] |
3.1 ± 0.8 |
3.3 ± 0.7 |
| By GSE [nT] |
-4.7 ± 1.3 |
-10.5 ± 0.6 |
| Bz GSE [nT] |
8.2 ± 0.7 |
15.6 ± 0.3 |
Plasma Beta
|
0.176 ± 0.173
|
0.233 ± 0.208
|
Sound Speed [km/s]
|
26.79 ± 0.75
|
38.21 ± 1.87
|
Alfven Speed [km/s]
|
49.65 ± 2.72
|
61.87 ± 3.68
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.924 ± 0.219 |
-0.279 ± 0.669 |
-0.261 ± 0.255 |
-15.14 ± 19.75 |
196.78 ± 41.43 |
| VC |
-0.942 ± 0.024 |
-0.233 ± 0.084 |
0.242 ± 0.237 |
14.01 ± 2.94 |
193.87 ± 5.13 |
| MX1 |
-0.996 ± 0.008 |
-0.079 ± 0.066 |
-0.041 ± 0.041 |
-2.38 ± 7.67 |
184.55 ± 3.81 |
| MX2 |
-0.998 ± 0.004 |
-0.056 ± 0.066 |
-0.017 ± 0.017 |
-1.00 ± 6.53 |
183.23 ± 3.78 |
| MX3 |
-0.999 ± 0.003 |
-0.031 ± 0.079 |
0.009 ± 0.009 |
0.51 ± 5.43 |
181.80 ± 4.53 |
| RH08 |
-1.000 ± 0.000 |
0.009 ± 0.015 |
0.028 ± 0.028 |
1.60 ± 0.66 |
179.50 ± 0.84 |
| RH09 |
-0.996 ± 0.006 |
-0.044 ± 0.069 |
0.073 ± 0.072 |
4.16 ± 4.03 |
182.51 ± 3.95 |
| RH10 |
-0.996 ± 0.006 |
-0.044 ± 0.069 |
0.073 ± 0.072 |
4.16 ± 4.03 |
182.51 ± 3.95 |
| Average |
-0.982 |
-0.095 |
0.013 |
0.742 |
185.591 |
| Median |
-0.996 |
-0.044 |
0.028 |
1.601 |
183.233 |
| Deviation |
0.030 |
0.103 |
0.141 |
8.153 |
6.220 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
68.7 ± 7.5 |
354.6 ± 7.9 |
2.35 ± 0.22 |
| VC |
88.8 ± 5.1 |
374.1 ± 8.4 |
2.35 ± 0.22 |
| MX1 |
72.6 ± 5.4 |
381.6 ± 7.5 |
2.35 ± 0.22 |
| MX2 |
73.1 ± 5.1 |
382.3 ± 7.4 |
2.35 ± 0.22 |
| MX3 |
73.7 ± 4.8 |
382.7 ± 7.3 |
2.35 ± 0.22 |
| RH08 |
73.5 ± 4.5 |
382.0 ± 7.1 |
2.35 ± 0.22 |
| RH09 |
77.1 ± 4.6 |
383.7 ± 7.5 |
2.35 ± 0.22 |
| RH10 |
77.1 ± 4.6 |
383.7 ± 7.5 |
2.35 ± 0.22 |
| Average |
75.6 |
378.1 |
2.35 |
| Median |
73.7 |
382.3 |
2.35 |
| Deviation |
6.0 |
10.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
66.9 ± 2.0 |
8.7 ± 0.2 |
18.1 ± 1.0 |
55.8 ± 2.4 |
7.72 ± 0.22 |
1.20 ± 0.06 |
| VC |
76.2 ± 2.0 |
0.5 ± 0.0 |
1.1 ± 0.1 |
56.4 ± 2.4 |
149.22 ± 3.44 |
1.35 ± 0.06 |
| MX1 |
72.0 ± 1.5 |
7.1 ± 0.2 |
14.8 ± 0.8 |
56.0 ± 2.4 |
10.14 ± 0.23 |
1.29 ± 0.06 |
| MX2 |
72.1 ± 1.4 |
6.9 ± 0.2 |
14.4 ± 0.8 |
56.0 ± 2.4 |
10.45 ± 0.24 |
1.29 ± 0.06 |
| MX3 |
72.2 ± 1.4 |
6.7 ± 0.2 |
14.0 ± 0.8 |
56.0 ± 2.4 |
10.82 ± 0.24 |
1.29 ± 0.06 |
| RH8 |
71.7 ± 1.3 |
6.8 ± 0.2 |
14.1 ± 0.8 |
56.0 ± 2.4 |
10.63 ± 0.23 |
1.28 ± 0.06 |
| RH9 |
73.3 ± 1.4 |
5.3 ± 0.1 |
11.0 ± 0.6 |
56.2 ± 2.4 |
13.93 ± 0.30 |
1.31 ± 0.06 |
| RH10 |
73.3 ± 1.4 |
5.3 ± 0.1 |
11.0 ± 0.6 |
56.2 ± 2.4 |
13.93 ± 0.30 |
1.31 ± 0.06 |
| Average |
72.2 |
5.9 |
12.3 |
56.1 |
28.4 |
1.3 |
| Median |
72.2 |
6.8 |
14.1 |
56.0 |
10.8 |
1.3 |
| Deviation |
2.6 |
2.4 |
5.1 |
0.2 |
48.9 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
29.1 ± 3.2 |
12.0 ± 0.3 |
22.5 ± 1.3 |
71.8 ± 2.5 |
2.44 ± 0.30 |
0.41 ± 0.05 |
| VC |
32.8 ± 3.1 |
0.7 ± 0.0 |
1.3 ± 0.1 |
72.8 ± 2.5 |
46.78 ± 4.90 |
0.45 ± 0.05 |
| MX1 |
31.0 ± 2.8 |
9.8 ± 0.3 |
18.5 ± 1.1 |
72.1 ± 2.5 |
3.17 ± 0.33 |
0.43 ± 0.05 |
| MX2 |
31.0 ± 2.8 |
9.5 ± 0.3 |
18.0 ± 1.1 |
72.2 ± 2.5 |
3.27 ± 0.33 |
0.43 ± 0.05 |
| MX3 |
31.0 ± 2.7 |
9.2 ± 0.3 |
17.4 ± 1.0 |
72.2 ± 2.5 |
3.38 ± 0.34 |
0.43 ± 0.04 |
| RH8 |
30.8 ± 2.6 |
9.3 ± 0.3 |
17.6 ± 1.0 |
72.2 ± 2.5 |
3.31 ± 0.32 |
0.43 ± 0.04 |
| RH9 |
31.5 ± 2.7 |
7.2 ± 0.2 |
13.8 ± 0.8 |
72.4 ± 2.5 |
4.34 ± 0.43 |
0.44 ± 0.05 |
| RH10 |
31.5 ± 2.7 |
7.2 ± 0.2 |
13.8 ± 0.8 |
72.4 ± 2.5 |
4.34 ± 0.43 |
0.44 ± 0.05 |
| Average |
31.1 |
8.1 |
15.4 |
72.3 |
8.9 |
0.4 |
| Median |
31.0 |
9.3 |
17.6 |
72.2 |
3.4 |
0.4 |
| Deviation |
1.0 |
3.4 |
6.3 |
0.3 |
15.3 |
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 Fri Jun 13 11:06:02 2014
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
