Database: Wind Shock Analysis
Event ID: 19992351411
Observation time: 08/23/1999 235.59148 1411 [UT]
|
|
General
Information (About, Top)
| Year |
1999 |
| Fractional day of year |
235.591476 |
| Arrival time of shock [seconds of day] |
51103.5 ± 60.0 |
| Shock type |
SF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
65.038 |
| Y GSE location of spacecraft [Re] |
-17.821 |
| Z GSE location of spacecraft [Re] |
-3.670 |
| Upstream plasma points selected for analysis |
0006 |
| Upstream field points selected for analysis |
0196 |
| Downstream plasma points selected for analysis |
0005
|
| Downstream field points selected for analysis |
0150 |
| Minimum chisq/dof for RH8,RH9,RH10 |
0.85, 0.93, 0.98 |
Event added to database
|
Sat Oct 15 17:47:46 2005
|
Event last processed
|
Tue Mar 31 00:17:34 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
14.144 ± 1.039
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-418.5 ± 2.3 |
-439.2 ± 6.2 |
| Vy GSE [km/s] |
-39.4 ± 7.5 |
2.8 ± 18.8 |
| Vz GSE [km/s] |
-20.2 ± 5.9 |
21.0 ± 5.5 |
| Wi [km/s] |
28.7 ± 0.6 |
37.0 ± 7.2 |
| We [km/s] |
908.7 ± 17.8 |
1169.6 ± 226.2 |
| Ni [n/cc] |
7.2 ± 0.2 |
9.3 ± 0.3 |
| Bx GSE [nT] |
-3.9 ± 0.3 |
-0.8 ± 0.9 |
| By GSE [nT] |
10.5 ± 0.2 |
3.1 ± 3.2 |
| Bz GSE [nT] |
0.8 ± 0.7 |
-8.6 ± 1.5 |
Plasma Beta
|
0.099 ± 0.099
|
0.293 ± 0.274
|
Sound Speed [km/s]
|
37.10 ± 0.73
|
47.75 ± 9.23
|
Alfven Speed [km/s]
|
91.50 ± 1.65
|
69.65 ± 1.56
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.257 ± 0.096 |
0.737 ± 0.077 |
-0.625 ± 0.527 |
-38.65 ± 6.76 |
109.21 ± 7.24 |
| VC |
-0.355 ± 0.139 |
0.643 ± 0.121 |
0.678 ± 0.548 |
42.72 ± 9.48 |
118.92 ± 11.41 |
| MX1 |
-0.195 ± 0.095 |
0.758 ± 0.080 |
-0.623 ± 0.526 |
-38.51 ± 7.21 |
104.47 ± 7.00 |
| MX2 |
-0.290 ± 0.113 |
0.726 ± 0.079 |
-0.623 ± 0.526 |
-38.53 ± 6.48 |
111.79 ± 8.70 |
| MX3 |
-0.816 ± 0.363 |
0.397 ± 0.682 |
-0.419 ± 0.393 |
-24.78 ± 23.09 |
154.06 ± 47.58 |
| RH08 |
-0.968 ± 0.009 |
-0.145 ± 0.043 |
-0.207 ± 0.204 |
-11.93 ± 1.84 |
188.52 ± 2.52 |
| RH09 |
-0.968 ± 0.011 |
-0.145 ± 0.054 |
-0.207 ± 0.204 |
-11.93 ± 2.25 |
188.52 ± 3.22 |
| RH10 |
-0.968 ± 0.013 |
-0.145 ± 0.059 |
-0.207 ± 0.204 |
-11.93 ± 2.50 |
188.52 ± 3.50 |
| Average |
-0.602 |
0.353 |
-0.279 |
-16.694 |
145.502 |
| Median |
-0.355 |
0.643 |
-0.207 |
-11.929 |
154.058 |
| Deviation |
0.356 |
0.428 |
0.432 |
26.988 |
38.675 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
42.6 ± 3.7 |
150.1 ± 53.3 |
1.28 ± 0.05 |
| VC |
39.6 ± 3.9 |
418.6 ± 79.1 |
1.28 ± 0.05 |
| MX1 |
42.7 ± 3.8 |
120.0 ± 53.9 |
1.28 ± 0.05 |
| MX2 |
42.5 ± 3.6 |
166.9 ± 53.1 |
1.28 ± 0.05 |
| MX3 |
51.5 ± 1.2 |
424.1 ± 42.8 |
1.28 ± 0.05 |
| RH08 |
79.5 ± 1.3 |
439.5 ± 21.4 |
1.28 ± 0.05 |
| RH09 |
79.5 ± 1.3 |
439.5 ± 21.4 |
1.28 ± 0.05 |
| RH10 |
79.5 ± 1.3 |
439.5 ± 21.4 |
1.28 ± 0.05 |
| Average |
57.2 |
324.8 |
1.28 |
| Median |
51.5 |
424.1 |
1.28 |
| Deviation |
18.8 |
149.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
59.1 ± 6.4 |
26.3 ± 0.5 |
67.4 ± 1.2 |
95.2 ± 1.6 |
2.25 ± 0.24 |
0.62 ± 0.07 |
| VC |
309.0 ± 6.5 |
27.6 ± 0.5 |
70.5 ± 1.3 |
94.8 ± 1.6 |
11.21 ± 0.14 |
3.26 ± 0.07 |
| MX1 |
55.5 ± 6.6 |
26.2 ± 0.5 |
67.2 ± 1.2 |
95.2 ± 1.6 |
2.12 ± 0.25 |
0.58 ± 0.07 |
| MX2 |
61.5 ± 6.3 |
26.3 ± 0.5 |
67.5 ± 1.2 |
95.2 ± 1.6 |
2.34 ± 0.24 |
0.65 ± 0.07 |
| MX3 |
89.6 ± 3.1 |
22.0 ± 0.4 |
57.0 ± 1.0 |
96.3 ± 1.6 |
4.08 ± 0.15 |
0.93 ± 0.04 |
| RH8 |
24.6 ± 1.8 |
6.3 ± 0.1 |
16.7 ± 0.3 |
98.5 ± 1.6 |
3.93 ± 0.31 |
0.25 ± 0.02 |
| RH9 |
24.6 ± 1.8 |
6.3 ± 0.1 |
16.7 ± 0.3 |
98.5 ± 1.6 |
3.93 ± 0.31 |
0.25 ± 0.02 |
| RH10 |
24.6 ± 1.8 |
6.3 ± 0.1 |
16.7 ± 0.3 |
98.5 ± 1.6 |
3.93 ± 0.31 |
0.25 ± 0.02 |
| Average |
81.1 |
18.4 |
47.4 |
96.5 |
4.2 |
0.8 |
| Median |
59.1 |
26.2 |
67.2 |
96.3 |
3.9 |
0.6 |
| Deviation |
94.9 |
10.2 |
25.8 |
1.7 |
3.0 |
1.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
48.3 ± 11.6 |
30.8 ± 4.6 |
51.3 ± 1.1 |
78.9 ± 2.8 |
1.57 ± 0.27 |
0.61 ± 0.13 |
| VC |
246.5 ± 17.3 |
32.5 ± 5.0 |
53.6 ± 1.2 |
78.2 ± 2.6 |
7.69 ± 1.09 |
3.15 ± 0.16 |
| MX1 |
45.1 ± 11.7 |
30.7 ± 4.6 |
51.2 ± 1.1 |
78.9 ± 2.8 |
1.47 ± 0.27 |
0.57 ± 0.13 |
| MX2 |
50.4 ± 11.5 |
30.9 ± 4.7 |
51.4 ± 1.1 |
78.9 ± 2.8 |
1.63 ± 0.27 |
0.64 ± 0.13 |
| MX3 |
73.2 ± 9.2 |
25.5 ± 3.7 |
43.4 ± 1.0 |
80.8 ± 3.3 |
2.90 ± 0.33 |
0.90 ± 0.09 |
| RH8 |
19.3 ± 4.4 |
7.1 ± 1.0 |
12.7 ± 0.3 |
84.5 ± 4.1 |
2.74 ± 0.62 |
0.23 ± 0.05 |
| RH9 |
19.3 ± 4.4 |
7.1 ± 1.0 |
12.7 ± 0.3 |
84.5 ± 4.1 |
2.74 ± 0.62 |
0.23 ± 0.05 |
| RH10 |
19.3 ± 4.4 |
7.1 ± 1.0 |
12.7 ± 0.3 |
84.5 ± 4.1 |
2.74 ± 0.62 |
0.23 ± 0.05 |
| Average |
65.2 |
21.5 |
36.1 |
81.2 |
2.9 |
0.8 |
| Median |
48.3 |
30.7 |
51.2 |
80.8 |
2.7 |
0.6 |
| Deviation |
75.7 |
12.1 |
19.6 |
2.9 |
2.0 |
1.0 |
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)
| 
