Database: Wind Shock Analysis
Event ID: 19992271033
Observation time: 08/15/1999 227.44012 1033 [UT]
|
|
General
Information (About, Top)
| Year |
1999 |
| Fractional day of year |
227.440122 |
| Arrival time of shock [seconds of day] |
38026.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
| X GSE location of spacecraft [Re] |
35.200 |
| Y GSE location of spacecraft [Re] |
45.788 |
| Z GSE location of spacecraft [Re] |
3.030 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0222 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0247 |
| Minimum chisq/dof for RH8,RH9,RH10 |
5.39, 22.25, 22.96 |
Event added to database
|
Mon Feb 14 11:08:33 2005
|
Event last processed
|
Mon Mar 30 18:55:35 2009
|
Method selected
|
RH09
|
Propagation delay to Earth [minutes]
|
7.111 ± 0.845
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-332.8 ± 1.4 |
-375.5 ± 1.8 |
| Vy GSE [km/s] |
-3.6 ± 1.0 |
2.3 ± 1.6 |
| Vz GSE [km/s] |
-23.1 ± 1.9 |
-29.4 ± 2.0 |
| Wi [km/s] |
31.4 ± 1.2 |
40.9 ± 2.4 |
| We [km/s] |
993.1 ± 39.3 |
1294.3 ± 75.7 |
| Ni [n/cc] |
15.5 ± 0.6 |
28.4 ± 1.5 |
| Bx GSE [nT] |
0.3 ± 0.4 |
-0.6 ± 0.4 |
| By GSE [nT] |
-3.9 ± 0.7 |
-7.0 ± 1.4 |
| Bz GSE [nT] |
-2.2 ± 0.8 |
-5.8 ± 1.4 |
Plasma Beta
|
1.547 ± 1.597
|
1.187 ± 1.225
|
Sound Speed [km/s]
|
40.54 ± 1.60
|
52.84 ± 3.09
|
Alfven Speed [km/s]
|
25.48 ± 1.73
|
37.91 ± 2.86
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.791 ± 0.445 |
0.612 ± 0.576 |
-0.006 ± 0.006 |
-0.37 ± 29.94 |
142.27 ± 41.70 |
| VC |
-0.980 ± 0.010 |
0.136 ± 0.044 |
-0.144 ± 0.143 |
-8.31 ± 3.38 |
172.12 ± 2.55 |
| MX1 |
-0.937 ± 0.056 |
0.350 ± 0.151 |
-0.017 ± 0.017 |
-0.99 ± 3.63 |
159.53 ± 9.23 |
| MX2 |
-0.957 ± 0.025 |
0.292 ± 0.081 |
-0.005 ± 0.005 |
-0.31 ± 3.47 |
163.04 ± 4.87 |
| MX3 |
-0.965 ± 0.020 |
0.261 ± 0.074 |
0.003 ± 0.003 |
0.17 ± 4.00 |
164.88 ± 4.41 |
| RH08 |
-0.987 ± 0.002 |
0.113 ± 0.012 |
-0.117 ± 0.117 |
-6.74 ± 0.67 |
173.48 ± 0.71 |
| RH09 |
-0.989 ± 0.010 |
0.148 ± 0.067 |
-0.028 ± 0.028 |
-1.60 ± 4.06 |
171.48 ± 3.91 |
| RH10 |
-0.983 ± 0.013 |
0.183 ± 0.068 |
0.006 ± 0.006 |
0.32 ± 4.05 |
169.47 ± 3.94 |
| Average |
-0.949 |
0.262 |
-0.039 |
-2.228 |
164.533 |
| Median |
-0.965 |
0.261 |
-0.006 |
-0.370 |
169.471 |
| Deviation |
0.066 |
0.164 |
0.058 |
3.350 |
10.235 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
54.7 ± 5.7 |
342.9 ± 7.0 |
1.85 ± 0.06 |
| VC |
83.1 ± 4.4 |
424.9 ± 8.9 |
1.85 ± 0.06 |
| MX1 |
68.9 ± 4.6 |
404.2 ± 8.3 |
1.85 ± 0.06 |
| MX2 |
71.5 ± 4.5 |
411.5 ± 8.5 |
1.85 ± 0.06 |
| MX3 |
72.7 ± 4.4 |
414.6 ± 8.6 |
1.85 ± 0.06 |
| RH08 |
83.4 ± 4.3 |
426.4 ± 9.0 |
1.85 ± 0.06 |
| RH09 |
79.2 ± 4.3 |
424.3 ± 8.9 |
1.85 ± 0.06 |
| RH10 |
76.5 ± 4.4 |
421.2 ± 8.8 |
1.85 ± 0.06 |
| Average |
73.8 |
408.7 |
1.85 |
| Median |
76.5 |
421.2 |
1.85 |
| Deviation |
9.3 |
27.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
81.7 ± 1.0 |
12.9 ± 0.5 |
14.7 ± 1.0 |
46.2 ± 0.9 |
6.34 ± 0.27 |
1.77 ± 0.04 |
| VC |
95.8 ± 1.2 |
2.6 ± 0.1 |
3.1 ± 0.2 |
47.9 ± 0.9 |
37.01 ± 1.60 |
2.00 ± 0.05 |
| MX1 |
93.3 ± 1.2 |
7.9 ± 0.3 |
9.2 ± 0.6 |
47.3 ± 0.9 |
11.90 ± 0.50 |
1.97 ± 0.04 |
| MX2 |
94.0 ± 1.2 |
6.9 ± 0.3 |
8.1 ± 0.5 |
47.4 ± 0.9 |
13.62 ± 0.58 |
1.98 ± 0.04 |
| MX3 |
94.3 ± 1.2 |
6.4 ± 0.2 |
7.6 ± 0.5 |
47.5 ± 0.9 |
14.66 ± 0.62 |
1.99 ± 0.04 |
| RH8 |
95.7 ± 1.2 |
2.5 ± 0.1 |
2.9 ± 0.2 |
47.9 ± 0.9 |
38.83 ± 1.68 |
2.00 ± 0.05 |
| RH9 |
95.1 ± 1.3 |
4.1 ± 0.2 |
4.8 ± 0.3 |
47.8 ± 0.9 |
23.46 ± 1.01 |
1.99 ± 0.05 |
| RH10 |
94.8 ± 1.3 |
5.0 ± 0.2 |
5.9 ± 0.4 |
47.7 ± 0.9 |
18.81 ± 0.81 |
1.99 ± 0.05 |
| Average |
93.1 |
6.0 |
7.0 |
47.4 |
20.6 |
2.0 |
| Median |
94.8 |
6.4 |
7.6 |
47.7 |
18.8 |
2.0 |
| Deviation |
4.7 |
3.4 |
3.9 |
0.6 |
11.8 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
44.3 ± 1.4 |
18.5 ± 1.0 |
21.9 ± 1.7 |
62.4 ± 2.8 |
2.40 ± 0.19 |
0.71 ± 0.05 |
| VC |
52.3 ± 1.7 |
3.7 ± 0.2 |
4.6 ± 0.3 |
65.0 ± 3.0 |
14.18 ± 1.12 |
0.81 ± 0.06 |
| MX1 |
51.2 ± 1.6 |
11.2 ± 0.6 |
13.6 ± 1.0 |
64.1 ± 2.9 |
4.57 ± 0.35 |
0.80 ± 0.06 |
| MX2 |
51.5 ± 1.6 |
9.9 ± 0.5 |
12.1 ± 0.9 |
64.3 ± 2.9 |
5.23 ± 0.40 |
0.80 ± 0.06 |
| MX3 |
51.6 ± 1.6 |
9.2 ± 0.5 |
11.3 ± 0.8 |
64.4 ± 2.9 |
5.63 ± 0.44 |
0.80 ± 0.06 |
| RH8 |
52.2 ± 1.7 |
3.5 ± 0.2 |
4.3 ± 0.3 |
65.0 ± 3.0 |
14.86 ± 1.18 |
0.80 ± 0.06 |
| RH9 |
51.9 ± 1.7 |
5.8 ± 0.3 |
7.1 ± 0.5 |
64.8 ± 2.9 |
8.99 ± 0.70 |
0.80 ± 0.06 |
| RH10 |
51.8 ± 1.7 |
7.2 ± 0.4 |
8.8 ± 0.7 |
64.7 ± 2.9 |
7.21 ± 0.56 |
0.80 ± 0.06 |
| Average |
50.8 |
8.6 |
10.5 |
64.4 |
7.9 |
0.8 |
| Median |
51.8 |
9.2 |
11.3 |
64.7 |
7.2 |
0.8 |
| Deviation |
2.7 |
4.9 |
5.7 |
0.8 |
4.5 |
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)
| 
