Database: Wind Shock Analysis
Event ID: 19991871424
Observation time: 07/06/1999 187.60064 1424 [UT]
|
|
General
Information (About, Top)
| Year |
1999 |
| Fractional day of year |
187.600642 |
| Arrival time of shock [seconds of day] |
51895.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
206.450 |
| Y GSE location of spacecraft [Re] |
-21.640 |
| Z GSE location of spacecraft [Re] |
1.470 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0271 |
| Downstream plasma points selected for analysis |
0010
|
| Downstream field points selected for analysis |
0303 |
| Minimum chisq/dof for RH8,RH9,RH10 |
4.79, 7.86, 8.05 |
Event added to database
|
Mon Feb 14 11:08:16 2005
|
Event last processed
|
Mon Mar 30 18:46:55 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
45.561 ± 1.992
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-339.3 ± 2.7 |
-401.4 ± 7.7 |
| Vy GSE [km/s] |
-3.7 ± 7.0 |
-27.1 ± 6.7 |
| Vz GSE [km/s] |
22.5 ± 2.7 |
45.1 ± 6.2 |
| Wi [km/s] |
16.2 ± 1.3 |
26.9 ± 2.6 |
| We [km/s] |
511.8 ± 41.4 |
851.0 ± 81.2 |
| Ni [n/cc] |
2.9 ± 0.2 |
5.7 ± 0.4 |
| Bx GSE [nT] |
4.3 ± 0.4 |
5.2 ± 0.9 |
| By GSE [nT] |
-0.7 ± 1.0 |
-5.6 ± 1.1 |
| Bz GSE [nT] |
3.5 ± 0.2 |
7.0 ± 1.0 |
Plasma Beta
|
0.050 ± 0.048
|
0.078 ± 0.079
|
Sound Speed [km/s]
|
20.89 ± 1.69
|
34.74 ± 3.32
|
Alfven Speed [km/s]
|
72.86 ± 1.93
|
96.97 ± 4.01
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.843 ± 0.121 |
-0.393 ± 0.196 |
-0.367 ± 0.349 |
-21.52 ± 13.88 |
205.00 ± 13.09 |
| VC |
-0.887 ± 0.052 |
-0.334 ± 0.124 |
0.318 ± 0.307 |
18.52 ± 4.49 |
200.62 ± 8.00 |
| MX1 |
-0.978 ± 0.025 |
-0.207 ± 0.110 |
-0.037 ± 0.037 |
-2.12 ± 13.73 |
191.93 ± 6.45 |
| MX2 |
-0.987 ± 0.022 |
-0.135 ± 0.134 |
0.083 ± 0.082 |
4.73 ± 8.62 |
187.79 ± 7.78 |
| MX3 |
-0.984 ± 0.022 |
-0.089 ± 0.155 |
0.157 ± 0.156 |
9.03 ± 6.12 |
185.17 ± 9.05 |
| RH08 |
-0.997 ± 0.001 |
-0.044 ± 0.017 |
0.061 ± 0.061 |
3.52 ± 0.50 |
182.51 ± 1.00 |
| RH09 |
-0.999 ± 0.003 |
-0.026 ± 0.068 |
0.028 ± 0.028 |
1.60 ± 4.06 |
181.50 ± 3.91 |
| RH10 |
-0.999 ± 0.003 |
-0.026 ± 0.068 |
0.028 ± 0.028 |
1.60 ± 4.06 |
181.50 ± 3.91 |
| Average |
-0.959 |
-0.157 |
0.034 |
1.921 |
189.503 |
| Median |
-0.984 |
-0.089 |
0.061 |
3.523 |
187.788 |
| Deviation |
0.060 |
0.142 |
0.194 |
11.356 |
9.010 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
34.2 ± 11.4 |
388.0 ± 13.9 |
1.97 ± 0.22 |
| VC |
64.4 ± 8.7 |
455.3 ± 19.8 |
1.97 ± 0.22 |
| MX1 |
42.3 ± 8.9 |
466.4 ± 18.9 |
1.97 ± 0.22 |
| MX2 |
47.3 ± 7.6 |
477.9 ± 20.4 |
1.97 ± 0.22 |
| MX3 |
50.7 ± 6.9 |
480.6 ± 21.2 |
1.97 ± 0.22 |
| RH08 |
44.8 ± 6.6 |
475.7 ± 20.8 |
1.97 ± 0.22 |
| RH09 |
42.8 ± 6.5 |
473.4 ± 20.7 |
1.97 ± 0.22 |
| RH10 |
42.8 ± 6.5 |
473.4 ± 20.7 |
1.97 ± 0.22 |
| Average |
46.2 |
461.3 |
1.97 |
| Median |
44.8 |
473.4 |
1.97 |
| Deviation |
8.8 |
30.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
108.8 ± 4.2 |
17.0 ± 1.3 |
60.3 ± 1.6 |
73.9 ± 1.8 |
6.43 ± 0.73 |
1.47 ± 0.05 |
| VC |
145.8 ± 5.4 |
8.7 ± 0.6 |
31.5 ± 0.8 |
75.3 ± 1.6 |
16.82 ± 1.82 |
1.94 ± 0.07 |
| MX1 |
134.7 ± 3.9 |
15.1 ± 1.2 |
53.9 ± 1.4 |
74.3 ± 1.7 |
8.95 ± 0.93 |
1.81 ± 0.05 |
| MX2 |
140.5 ± 3.7 |
13.9 ± 1.1 |
49.4 ± 1.3 |
74.5 ± 1.7 |
10.21 ± 1.02 |
1.89 ± 0.05 |
| MX3 |
143.0 ± 3.6 |
12.9 ± 1.0 |
46.2 ± 1.2 |
74.7 ± 1.7 |
11.15 ± 1.09 |
1.92 ± 0.05 |
| RH8 |
135.8 ± 3.1 |
14.5 ± 1.1 |
51.7 ± 1.4 |
74.4 ± 1.7 |
9.43 ± 0.91 |
1.83 ± 0.05 |
| RH9 |
133.6 ± 2.9 |
15.0 ± 1.1 |
53.4 ± 1.4 |
74.3 ± 1.7 |
8.95 ± 0.86 |
1.80 ± 0.04 |
| RH10 |
133.6 ± 2.9 |
15.0 ± 1.1 |
53.4 ± 1.4 |
74.3 ± 1.7 |
8.95 ± 0.86 |
1.80 ± 0.04 |
| Average |
134.5 |
14.0 |
50.0 |
74.5 |
10.1 |
1.8 |
| Median |
135.8 |
15.0 |
53.4 |
74.4 |
9.4 |
1.8 |
| Deviation |
11.4 |
2.4 |
8.5 |
0.4 |
3.0 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
55.5 ± 5.3 |
28.1 ± 2.5 |
80.2 ± 3.3 |
99.1 ± 3.9 |
1.98 ± 0.16 |
0.56 ± 0.05 |
| VC |
75.7 ± 6.7 |
14.2 ± 1.2 |
41.9 ± 1.7 |
102.1 ± 3.8 |
5.33 ± 0.39 |
0.74 ± 0.07 |
| MX1 |
70.0 ± 6.7 |
24.9 ± 2.2 |
71.7 ± 3.0 |
100.0 ± 3.9 |
2.82 ± 0.22 |
0.70 ± 0.07 |
| MX2 |
74.2 ± 7.3 |
22.7 ± 2.0 |
65.8 ± 2.7 |
100.5 ± 3.8 |
3.27 ± 0.26 |
0.74 ± 0.08 |
| MX3 |
76.3 ± 7.7 |
21.2 ± 1.8 |
61.5 ± 2.5 |
100.8 ± 3.8 |
3.62 ± 0.30 |
0.76 ± 0.08 |
| RH8 |
71.5 ± 7.7 |
23.8 ± 2.1 |
68.8 ± 2.8 |
100.2 ± 3.8 |
3.01 ± 0.26 |
0.71 ± 0.08 |
| RH9 |
70.3 ± 7.7 |
24.7 ± 2.2 |
71.1 ± 2.9 |
100.0 ± 3.8 |
2.85 ± 0.25 |
0.70 ± 0.08 |
| RH10 |
70.3 ± 7.7 |
24.7 ± 2.2 |
71.1 ± 2.9 |
100.0 ± 3.8 |
2.85 ± 0.25 |
0.70 ± 0.08 |
| Average |
70.5 |
23.0 |
66.5 |
100.4 |
3.2 |
0.7 |
| Median |
71.5 |
24.7 |
71.1 |
100.2 |
3.0 |
0.7 |
| Deviation |
6.6 |
4.1 |
11.3 |
0.9 |
1.0 |
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)
| 
