Database: Wind Shock Analysis
Event ID: 19990592142
Observation time: 02/28/1999 59.90477 2142 [UT]
|
|
General
Information (About, Top)
| Year |
1999 |
| Fractional day of year |
59.904774 |
| Arrival time of shock [seconds of day] |
78172.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
-49.270 |
| Y GSE location of spacecraft [Re] |
-58.069 |
| Z GSE location of spacecraft [Re] |
-0.185 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0254 |
| Downstream plasma points selected for analysis |
0009
|
| Downstream field points selected for analysis |
0283 |
| Minimum chisq/dof for RH8,RH9,RH10 |
12.09, 16.73, 17.20 |
Event added to database
|
Mon Feb 14 11:07:45 2005
|
Event last processed
|
Mon Mar 30 18:32:32 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
-11.983 ± 0.418
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-368.7 ± 1.9 |
-390.7 ± 1.7 |
| Vy GSE [km/s] |
-5.5 ± 1.7 |
-3.0 ± 1.1 |
| Vz GSE [km/s] |
2.5 ± 2.1 |
-11.5 ± 1.5 |
| Wi [km/s] |
20.1 ± 1.3 |
23.5 ± 0.6 |
| We [km/s] |
637.1 ± 40.0 |
744.1 ± 19.8 |
| Ni [n/cc] |
13.3 ± 0.5 |
20.2 ± 0.9 |
| Bx GSE [nT] |
3.8 ± 0.4 |
4.5 ± 0.3 |
| By GSE [nT] |
-8.3 ± 0.3 |
-10.2 ± 0.2 |
| Bz GSE [nT] |
-6.4 ± 0.2 |
-9.4 ± 0.2 |
Plasma Beta
|
0.092 ± 0.093
|
0.111 ± 0.114
|
Sound Speed [km/s]
|
26.01 ± 1.63
|
30.38 ± 0.81
|
Alfven Speed [km/s]
|
66.49 ± 1.96
|
70.69 ± 2.30
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.778 ± 0.443 |
0.515 ± 0.656 |
-0.360 ± 0.344 |
-21.10 ± 17.74 |
146.47 ± 48.12 |
| VC |
-0.841 ± 0.046 |
0.098 ± 0.075 |
-0.532 ± 0.475 |
-32.17 ± 4.94 |
173.36 ± 5.12 |
| MX1 |
-0.888 ± 0.044 |
0.270 ± 0.085 |
-0.372 ± 0.353 |
-21.81 ± 5.79 |
163.12 ± 5.41 |
| MX2 |
-0.893 ± 0.044 |
0.259 ± 0.086 |
-0.367 ± 0.350 |
-21.54 ± 5.84 |
163.85 ± 5.48 |
| MX3 |
-0.908 ± 0.044 |
0.226 ± 0.099 |
-0.353 ± 0.338 |
-20.67 ± 6.06 |
166.00 ± 6.20 |
| RH08 |
-0.992 ± 0.002 |
-0.009 ± 0.010 |
-0.128 ± 0.128 |
-7.38 ± 0.68 |
180.50 ± 0.55 |
| RH09 |
-0.988 ± 0.011 |
0.026 ± 0.070 |
-0.151 ± 0.150 |
-8.68 ± 4.00 |
178.50 ± 4.03 |
| RH10 |
-0.990 ± 0.010 |
0.009 ± 0.070 |
-0.140 ± 0.139 |
-8.03 ± 4.02 |
179.50 ± 4.07 |
| Average |
-0.910 |
0.174 |
-0.300 |
-17.671 |
168.912 |
| Median |
-0.893 |
0.226 |
-0.353 |
-20.669 |
173.359 |
| Deviation |
0.078 |
0.179 |
0.145 |
8.805 |
11.523 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
63.7 ± 1.0 |
351.4 ± 11.7 |
1.52 ± 0.11 |
| VC |
86.9 ± 1.5 |
385.6 ± 12.8 |
1.52 ± 0.11 |
| MX1 |
73.1 ± 1.5 |
400.4 ± 12.6 |
1.52 ± 0.11 |
| MX2 |
73.3 ± 1.5 |
402.4 ± 12.7 |
1.52 ± 0.11 |
| MX3 |
74.0 ± 1.6 |
407.9 ± 12.7 |
1.52 ± 0.11 |
| RH08 |
75.0 ± 2.1 |
434.7 ± 12.3 |
1.52 ± 0.11 |
| RH09 |
74.3 ± 2.1 |
434.2 ± 12.4 |
1.52 ± 0.11 |
| RH10 |
74.6 ± 2.1 |
434.5 ± 12.4 |
1.52 ± 0.11 |
| Average |
74.4 |
406.4 |
1.52 |
| Median |
74.3 |
407.9 |
1.52 |
| Deviation |
6.2 |
29.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
68.5 ± 2.2 |
10.8 ± 0.6 |
29.4 ± 0.9 |
70.6 ± 2.0 |
6.34 ± 0.50 |
0.97 ± 0.05 |
| VC |
77.4 ± 2.3 |
1.3 ± 0.1 |
3.6 ± 0.1 |
71.4 ± 2.1 |
58.47 ± 4.37 |
1.09 ± 0.06 |
| MX1 |
75.3 ± 2.3 |
7.1 ± 0.4 |
19.4 ± 0.6 |
71.1 ± 2.0 |
10.67 ± 0.81 |
1.06 ± 0.06 |
| MX2 |
75.3 ± 2.3 |
7.0 ± 0.4 |
19.1 ± 0.6 |
71.1 ± 2.0 |
10.81 ± 0.82 |
1.06 ± 0.06 |
| MX3 |
75.4 ± 2.2 |
6.7 ± 0.4 |
18.4 ± 0.5 |
71.1 ± 2.0 |
11.26 ± 0.86 |
1.06 ± 0.06 |
| RH8 |
69.4 ± 2.0 |
6.3 ± 0.4 |
17.2 ± 0.5 |
71.1 ± 2.0 |
11.05 ± 0.84 |
0.98 ± 0.05 |
| RH9 |
70.4 ± 2.1 |
6.6 ± 0.4 |
18.0 ± 0.5 |
71.1 ± 2.0 |
10.72 ± 0.82 |
0.99 ± 0.05 |
| RH10 |
69.9 ± 2.0 |
6.4 ± 0.4 |
17.6 ± 0.5 |
71.1 ± 2.0 |
10.88 ± 0.83 |
0.98 ± 0.05 |
| Average |
72.7 |
6.5 |
17.8 |
71.1 |
16.3 |
1.0 |
| Median |
75.3 |
6.7 |
18.4 |
71.1 |
10.9 |
1.1 |
| Deviation |
3.5 |
2.6 |
7.0 |
0.2 |
17.1 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
44.9 ± 0.9 |
12.5 ± 0.2 |
31.3 ± 1.0 |
75.9 ± 1.9 |
3.59 ± 0.10 |
0.59 ± 0.02 |
| VC |
51.2 ± 1.2 |
1.5 ± 0.0 |
3.9 ± 0.1 |
76.9 ± 1.8 |
33.43 ± 1.15 |
0.67 ± 0.03 |
| MX1 |
49.8 ± 1.2 |
8.2 ± 0.2 |
20.6 ± 0.7 |
76.5 ± 1.9 |
6.10 ± 0.19 |
0.65 ± 0.03 |
| MX2 |
49.8 ± 1.2 |
8.1 ± 0.2 |
20.3 ± 0.7 |
76.5 ± 1.9 |
6.18 ± 0.20 |
0.65 ± 0.03 |
| MX3 |
49.8 ± 1.2 |
7.7 ± 0.1 |
19.5 ± 0.6 |
76.6 ± 1.9 |
6.44 ± 0.21 |
0.65 ± 0.03 |
| RH8 |
45.7 ± 1.6 |
7.3 ± 0.1 |
18.3 ± 0.6 |
76.6 ± 1.9 |
6.30 ± 0.26 |
0.60 ± 0.03 |
| RH9 |
46.4 ± 1.5 |
7.6 ± 0.1 |
19.2 ± 0.6 |
76.6 ± 1.9 |
6.11 ± 0.24 |
0.61 ± 0.03 |
| RH10 |
46.1 ± 1.6 |
7.4 ± 0.1 |
18.7 ± 0.6 |
76.6 ± 1.9 |
6.20 ± 0.25 |
0.60 ± 0.03 |
| Average |
48.0 |
7.5 |
19.0 |
76.5 |
9.3 |
0.6 |
| Median |
49.8 |
7.7 |
19.5 |
76.6 |
6.2 |
0.7 |
| Deviation |
2.4 |
3.0 |
7.4 |
0.3 |
9.8 |
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)
| 
