Database: Wind Shock Analysis
Event ID: 19992351211
Observation time: 08/23/1999 235.50780 1211 [UT]
|
|
General
Information (About, Top)
| Year |
1999 |
| Fractional day of year |
235.507795 |
| Arrival time of shock [seconds of day] |
43873.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
64.311 |
| Y GSE location of spacecraft [Re] |
-18.175 |
| Z GSE location of spacecraft [Re] |
-3.691 |
| Upstream plasma points selected for analysis |
0008 |
| Upstream field points selected for analysis |
0233 |
| Downstream plasma points selected for analysis |
0007
|
| Downstream field points selected for analysis |
0199 |
| Minimum chisq/dof for RH8,RH9,RH10 |
5.15, 9.40, 9.63 |
Event added to database
|
Mon Feb 14 11:08:37 2005
|
Event last processed
|
Mon Mar 30 18:57:20 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
13.428 ± 0.370
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-385.8 ± 1.1 |
-422.2 ± 3.3 |
| Vy GSE [km/s] |
-21.2 ± 1.5 |
-27.5 ± 4.8 |
| Vz GSE [km/s] |
5.8 ± 2.5 |
22.4 ± 3.4 |
| Wi [km/s] |
14.6 ± 0.5 |
20.2 ± 1.1 |
| We [km/s] |
460.6 ± 16.7 |
638.2 ± 35.2 |
| Ni [n/cc] |
6.2 ± 0.2 |
9.7 ± 0.4 |
| Bx GSE [nT] |
-4.3 ± 0.1 |
-4.4 ± 0.3 |
| By GSE [nT] |
5.3 ± 0.1 |
6.5 ± 0.6 |
| Bz GSE [nT] |
-4.5 ± 0.1 |
-8.3 ± 0.5 |
Plasma Beta
|
0.042 ± 0.040
|
0.064 ± 0.065
|
Sound Speed [km/s]
|
18.80 ± 0.68
|
26.05 ± 1.44
|
Alfven Speed [km/s]
|
71.01 ± 0.95
|
80.32 ± 2.51
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.784 ± 0.109 |
0.583 ± 0.145 |
0.210 ± 0.207 |
12.14 ± 6.70 |
143.36 ± 10.55 |
| VC |
-0.901 ± 0.037 |
-0.163 ± 0.119 |
0.403 ± 0.380 |
23.77 ± 4.29 |
190.26 ± 7.55 |
| MX1 |
-0.984 ± 0.025 |
0.163 ± 0.146 |
0.072 ± 0.072 |
4.12 ± 4.53 |
170.61 ± 8.47 |
| MX2 |
-0.994 ± 0.012 |
0.095 ± 0.119 |
0.053 ± 0.053 |
3.06 ± 4.72 |
174.56 ± 6.88 |
| MX3 |
-0.999 ± 0.004 |
-0.037 ± 0.090 |
0.016 ± 0.016 |
0.93 ± 5.01 |
182.11 ± 5.13 |
| RH08 |
-0.997 ± 0.001 |
-0.079 ± 0.018 |
-0.028 ± 0.028 |
-1.60 ± 0.63 |
184.51 ± 1.04 |
| RH09 |
-0.957 ± 0.020 |
-0.248 ± 0.070 |
-0.151 ± 0.150 |
-8.68 ± 3.28 |
194.54 ± 4.18 |
| RH10 |
-0.961 ± 0.019 |
-0.231 ± 0.070 |
-0.151 ± 0.150 |
-8.68 ± 3.31 |
193.54 ± 4.19 |
| Average |
-0.947 |
0.010 |
0.053 |
3.134 |
179.186 |
| Median |
-0.961 |
-0.037 |
0.053 |
3.057 |
184.513 |
| Deviation |
0.073 |
0.274 |
0.185 |
10.785 |
16.816 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
47.6 ± 0.9 |
374.1 ± 17.7 |
1.56 ± 0.09 |
| VC |
81.5 ± 0.8 |
469.6 ± 15.2 |
1.56 ± 0.09 |
| MX1 |
54.2 ± 0.8 |
481.1 ± 15.2 |
1.56 ± 0.09 |
| MX2 |
56.2 ± 0.8 |
488.0 ± 14.6 |
1.56 ± 0.09 |
| MX3 |
60.4 ± 0.8 |
493.0 ± 13.4 |
1.56 ± 0.09 |
| RH08 |
60.7 ± 0.9 |
491.2 ± 12.7 |
1.56 ± 0.09 |
| RH09 |
64.7 ± 0.9 |
472.2 ± 10.4 |
1.56 ± 0.09 |
| RH10 |
63.9 ± 0.9 |
473.6 ± 10.5 |
1.56 ± 0.09 |
| Average |
61.2 |
467.8 |
1.56 |
| Median |
60.7 |
481.1 |
1.56 |
| Deviation |
10.0 |
38.9 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
82.6 ± 1.5 |
12.4 ± 0.4 |
47.9 ± 0.6 |
72.4 ± 0.9 |
6.64 ± 0.21 |
1.14 ± 0.03 |
| VC |
116.4 ± 1.4 |
2.7 ± 0.1 |
10.4 ± 0.1 |
73.4 ± 0.8 |
43.54 ± 1.37 |
1.59 ± 0.03 |
| MX1 |
104.5 ± 1.1 |
10.7 ± 0.4 |
41.5 ± 0.6 |
72.7 ± 0.8 |
9.74 ± 0.33 |
1.44 ± 0.03 |
| MX2 |
106.2 ± 1.1 |
10.2 ± 0.3 |
39.5 ± 0.5 |
72.7 ± 0.8 |
10.42 ± 0.35 |
1.46 ± 0.03 |
| MX3 |
106.6 ± 1.1 |
9.0 ± 0.3 |
35.1 ± 0.5 |
72.9 ± 0.8 |
11.80 ± 0.41 |
1.46 ± 0.03 |
| RH8 |
105.2 ± 1.2 |
9.0 ± 0.3 |
34.8 ± 0.5 |
72.9 ± 0.8 |
11.74 ± 0.42 |
1.44 ± 0.03 |
| RH9 |
98.7 ± 1.3 |
7.8 ± 0.3 |
30.3 ± 0.4 |
73.0 ± 0.8 |
12.65 ± 0.49 |
1.35 ± 0.03 |
| RH10 |
98.8 ± 1.3 |
8.0 ± 0.3 |
31.3 ± 0.4 |
73.0 ± 0.8 |
12.28 ± 0.47 |
1.35 ± 0.03 |
| Average |
102.4 |
8.7 |
33.8 |
72.9 |
14.9 |
1.4 |
| Median |
105.2 |
9.0 |
35.1 |
72.9 |
11.8 |
1.4 |
| Deviation |
9.7 |
2.9 |
11.1 |
0.3 |
11.8 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
54.3 ± 5.9 |
17.1 ± 0.9 |
54.2 ± 1.7 |
82.7 ± 2.3 |
3.20 ± 0.47 |
0.66 ± 0.08 |
| VC |
75.9 ± 3.5 |
3.6 ± 0.2 |
11.8 ± 0.4 |
84.4 ± 2.2 |
20.88 ± 1.68 |
0.90 ± 0.06 |
| MX1 |
68.5 ± 4.2 |
14.7 ± 0.7 |
46.9 ± 1.5 |
83.2 ± 2.3 |
4.68 ± 0.48 |
0.82 ± 0.06 |
| MX2 |
69.8 ± 3.9 |
14.0 ± 0.7 |
44.6 ± 1.4 |
83.3 ± 2.3 |
5.02 ± 0.49 |
0.84 ± 0.06 |
| MX3 |
69.8 ± 3.2 |
12.4 ± 0.6 |
39.7 ± 1.2 |
83.5 ± 2.3 |
5.66 ± 0.50 |
0.84 ± 0.05 |
| RH8 |
68.9 ± 2.9 |
12.3 ± 0.6 |
39.3 ± 1.2 |
83.6 ± 2.3 |
5.64 ± 0.48 |
0.83 ± 0.05 |
| RH9 |
64.8 ± 1.6 |
10.7 ± 0.5 |
34.3 ± 1.1 |
83.8 ± 2.3 |
6.09 ± 0.43 |
0.77 ± 0.04 |
| RH10 |
64.8 ± 1.7 |
11.0 ± 0.6 |
35.4 ± 1.1 |
83.7 ± 2.3 |
5.91 ± 0.43 |
0.78 ± 0.04 |
| Average |
67.1 |
12.0 |
38.3 |
83.5 |
7.1 |
0.8 |
| Median |
68.9 |
12.4 |
39.7 |
83.6 |
5.7 |
0.8 |
| Deviation |
6.2 |
4.0 |
12.5 |
0.5 |
5.6 |
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 Fri Jun 13 11:06:02 2014
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
