Database: Wind Shock Analysis
Event ID: 19991830027
Observation time: 07/02/1999 183.01901 0027 [UT]
|
|
General
Information (About, Top)
| Year |
1999 |
| Fractional day of year |
183.019010 |
| Arrival time of shock [seconds of day] |
1642.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
208.500 |
| Y GSE location of spacecraft [Re] |
-22.640 |
| Z GSE location of spacecraft [Re] |
-0.750 |
| Upstream plasma points selected for analysis |
0004 |
| Upstream field points selected for analysis |
0341 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0257 |
| Minimum chisq/dof for RH8,RH9,RH10 |
5.06, 7.67, 8.06 |
Event added to database
|
Mon Feb 14 11:08:12 2005
|
Event last processed
|
Mon Mar 30 18:45:04 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
34.935 ± 2.109
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-464.0 ± 5.1 |
-590.8 ± 23.9 |
| Vy GSE [km/s] |
24.4 ± 7.0 |
0.8 ± 19.9 |
| Vz GSE [km/s] |
24.0 ± 5.1 |
-98.4 ± 30.0 |
| Wi [km/s] |
49.0 ± 4.9 |
83.7 ± 10.8 |
| We [km/s] |
1549.1 ± 154.7 |
2645.9 ± 342.6 |
| Ni [n/cc] |
1.3 ± 0.0 |
4.0 ± 0.5 |
| Bx GSE [nT] |
-3.6 ± 0.3 |
-2.5 ± 2.6 |
| By GSE [nT] |
0.5 ± 0.2 |
6.8 ± 2.3 |
| Bz GSE [nT] |
-2.8 ± 0.4 |
5.4 ± 2.5 |
Plasma Beta
|
0.317 ± 0.305
|
0.628 ± 0.690
|
Sound Speed [km/s]
|
63.24 ± 6.32
|
108.02 ± 13.99
|
Alfven Speed [km/s]
|
87.36 ± 1.63
|
109.28 ± 11.19
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.859 ± 0.111 |
0.414 ± 0.198 |
-0.302 ± 0.292 |
-17.56 ± 12.28 |
154.28 ± 13.10 |
| VC |
-0.719 ± 0.107 |
-0.139 ± 0.122 |
-0.681 ± 0.549 |
-42.92 ± 8.92 |
190.95 ± 9.63 |
| MX1 |
-0.762 ± 0.247 |
0.515 ± 0.344 |
-0.392 ± 0.370 |
-23.05 ± 16.48 |
145.95 ± 25.40 |
| MX2 |
-0.903 ± 0.091 |
0.360 ± 0.205 |
-0.235 ± 0.231 |
-13.61 ± 10.44 |
158.23 ± 13.00 |
| MX3 |
-0.916 ± 0.087 |
0.341 ± 0.213 |
-0.211 ± 0.208 |
-12.21 ± 10.52 |
159.55 ± 13.33 |
| RH08 |
-0.972 ± 0.007 |
0.234 ± 0.030 |
0.017 ± 0.017 |
0.96 ± 1.42 |
166.46 ± 1.78 |
| RH09 |
-0.970 ± 0.017 |
0.234 ± 0.067 |
-0.061 ± 0.061 |
-3.52 ± 4.03 |
166.46 ± 3.95 |
| RH10 |
-0.970 ± 0.017 |
0.234 ± 0.067 |
-0.061 ± 0.061 |
-3.52 ± 4.03 |
166.46 ± 3.95 |
| Average |
-0.884 |
0.274 |
-0.241 |
-14.429 |
163.544 |
| Median |
-0.903 |
0.341 |
-0.211 |
-12.205 |
166.462 |
| Deviation |
0.098 |
0.195 |
0.224 |
14.022 |
13.180 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
25.8 ± 5.9 |
611.1 ± 33.4 |
3.18 ± 0.54 |
| VC |
15.9 ± 4.3 |
598.9 ± 26.6 |
3.18 ± 0.54 |
| MX1 |
27.1 ± 4.5 |
559.9 ± 33.4 |
3.18 ± 0.54 |
| MX2 |
27.3 ± 6.4 |
632.4 ± 33.7 |
3.18 ± 0.54 |
| MX3 |
28.1 ± 6.5 |
637.8 ± 33.9 |
3.18 ± 0.54 |
| RH08 |
39.3 ± 6.6 |
635.9 ± 36.0 |
3.18 ± 0.54 |
| RH09 |
34.9 ± 6.6 |
651.2 ± 35.4 |
3.18 ± 0.54 |
| RH10 |
34.9 ± 6.6 |
651.2 ± 35.4 |
3.18 ± 0.54 |
| Average |
29.2 |
622.3 |
3.18 |
| Median |
28.1 |
635.9 |
3.18 |
| Deviation |
7.2 |
31.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
209.7 ± 4.2 |
52.8 ± 4.1 |
78.7 ± 1.5 |
94.1 ± 2.6 |
3.99 ± 0.22 |
2.23 ± 0.04 |
| VC |
285.0 ± 1.1 |
58.6 ± 5.0 |
84.0 ± 1.6 |
90.6 ± 2.0 |
4.89 ± 0.40 |
3.15 ± 0.06 |
| MX1 |
203.0 ± 4.3 |
51.9 ± 4.0 |
77.7 ± 1.4 |
94.6 ± 2.7 |
3.92 ± 0.21 |
2.15 ± 0.04 |
| MX2 |
210.4 ± 4.4 |
51.8 ± 4.0 |
77.6 ± 1.4 |
94.7 ± 2.7 |
4.08 ± 0.22 |
2.22 ± 0.04 |
| MX3 |
209.6 ± 4.4 |
51.2 ± 3.9 |
77.1 ± 1.4 |
95.0 ± 2.7 |
4.10 ± 0.22 |
2.21 ± 0.04 |
| RH8 |
178.8 ± 5.3 |
43.2 ± 3.1 |
67.6 ± 1.3 |
98.9 ± 3.2 |
4.15 ± 0.19 |
1.81 ± 0.04 |
| RH9 |
196.7 ± 5.0 |
46.5 ± 3.4 |
71.7 ± 1.3 |
97.4 ± 3.0 |
4.24 ± 0.21 |
2.02 ± 0.04 |
| RH10 |
196.7 ± 5.0 |
46.5 ± 3.4 |
71.7 ± 1.3 |
97.4 ± 3.0 |
4.24 ± 0.21 |
2.02 ± 0.04 |
| Average |
211.2 |
50.3 |
75.8 |
95.3 |
4.2 |
2.2 |
| Median |
209.6 |
51.8 |
77.6 |
95.0 |
4.2 |
2.2 |
| Deviation |
31.6 |
4.8 |
5.1 |
2.6 |
0.3 |
0.4 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
73.6 ± 26.5 |
79.7 ± 5.1 |
98.4 ± 10.1 |
132.2 ± 7.5 |
0.92 ± 0.32 |
0.56 ± 0.21 |
| VC |
107.2 ± 23.5 |
89.5 ± 6.0 |
105.1 ± 10.8 |
125.7 ± 7.3 |
1.20 ± 0.26 |
0.86 ± 0.20 |
| MX1 |
70.6 ± 28.0 |
78.3 ± 4.9 |
97.2 ± 10.0 |
133.0 ± 7.5 |
0.90 ± 0.35 |
0.53 ± 0.22 |
| MX2 |
75.7 ± 25.7 |
78.1 ± 4.9 |
97.1 ± 9.9 |
133.1 ± 7.6 |
0.97 ± 0.32 |
0.57 ± 0.20 |
| MX3 |
75.6 ± 25.5 |
77.2 ± 4.9 |
96.4 ± 9.9 |
133.6 ± 7.6 |
0.98 ± 0.32 |
0.57 ± 0.19 |
| RH8 |
63.1 ± 24.3 |
64.6 ± 4.0 |
84.6 ± 8.7 |
140.2 ± 7.9 |
0.98 ± 0.37 |
0.45 ± 0.17 |
| RH9 |
71.7 ± 24.5 |
69.7 ± 4.3 |
89.7 ± 9.2 |
137.7 ± 7.8 |
1.03 ± 0.34 |
0.52 ± 0.18 |
| RH10 |
71.7 ± 24.5 |
69.7 ± 4.3 |
89.7 ± 9.2 |
137.7 ± 7.8 |
1.03 ± 0.34 |
0.52 ± 0.18 |
| Average |
76.2 |
75.9 |
94.8 |
134.1 |
1.0 |
0.6 |
| Median |
73.6 |
78.1 |
97.1 |
133.6 |
1.0 |
0.6 |
| Deviation |
13.2 |
7.7 |
6.4 |
4.5 |
0.1 |
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)
| 
