Database: Wind Shock Analysis
Event ID: 19992940220
Observation time: 10/21/1999 294.09783 0220 [UT]
|
|
General
Information (About, Top)
| Year |
1999 |
| Fractional day of year |
294.097830 |
| Arrival time of shock [seconds of day] |
8452.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
21.976 |
| Y GSE location of spacecraft [Re] |
-65.390 |
| Z GSE location of spacecraft [Re] |
2.039 |
| Upstream plasma points selected for analysis |
0010 |
| Upstream field points selected for analysis |
0311 |
| Downstream plasma points selected for analysis |
0011
|
| Downstream field points selected for analysis |
0336 |
| Minimum chisq/dof for RH8,RH9,RH10 |
4.84, 7.03, 7.13 |
Event added to database
|
Mon Feb 14 11:08:55 2005
|
Event last processed
|
Mon Mar 30 19:06:30 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
4.795 ± 0.399
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-348.1 ± 1.1 |
-427.3 ± 5.8 |
| Vy GSE [km/s] |
-26.5 ± 2.6 |
-35.0 ± 6.5 |
| Vz GSE [km/s] |
2.2 ± 4.1 |
25.6 ± 11.4 |
| Wi [km/s] |
22.3 ± 0.7 |
37.7 ± 3.2 |
| We [km/s] |
706.0 ± 23.4 |
1192.0 ± 101.3 |
| Ni [n/cc] |
13.4 ± 0.4 |
31.6 ± 5.4 |
| Bx GSE [nT] |
-2.8 ± 0.4 |
-1.3 ± 3.0 |
| By GSE [nT] |
8.5 ± 0.2 |
22.8 ± 1.7 |
| Bz GSE [nT] |
2.0 ± 1.4 |
9.9 ± 4.0 |
Plasma Beta
|
0.165 ± 0.163
|
0.151 ± 0.161
|
Sound Speed [km/s]
|
28.82 ± 0.96
|
48.66 ± 4.13
|
Alfven Speed [km/s]
|
55.13 ± 1.51
|
99.66 ± 10.32
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.890 ± 0.192 |
0.399 ± 0.357 |
-0.223 ± 0.219 |
-12.88 ± 30.70 |
155.87 ± 22.76 |
| VC |
-0.954 ± 0.041 |
-0.107 ± 0.089 |
0.279 ± 0.272 |
16.22 ± 8.25 |
186.38 ± 5.31 |
| MX1 |
-0.956 ± 0.044 |
-0.022 ± 0.157 |
0.292 ± 0.284 |
16.99 ± 8.52 |
181.34 ± 9.43 |
| MX2 |
-0.951 ± 0.045 |
-0.033 ± 0.143 |
0.307 ± 0.297 |
17.90 ± 8.42 |
181.99 ± 8.63 |
| MX3 |
-0.949 ± 0.047 |
-0.038 ± 0.138 |
0.314 ± 0.303 |
18.27 ± 8.52 |
182.26 ± 8.31 |
| RH08 |
-0.981 ± 0.003 |
0.009 ± 0.009 |
0.196 ± 0.193 |
11.28 ± 0.85 |
179.50 ± 0.54 |
| RH09 |
-0.981 ± 0.014 |
0.009 ± 0.071 |
0.196 ± 0.193 |
11.28 ± 3.96 |
179.50 ± 4.16 |
| RH10 |
-0.981 ± 0.014 |
0.009 ± 0.071 |
0.196 ± 0.193 |
11.28 ± 3.96 |
179.50 ± 4.16 |
| Average |
-0.955 |
0.028 |
0.195 |
11.292 |
178.293 |
| Median |
-0.954 |
0.009 |
0.279 |
16.225 |
181.340 |
| Deviation |
0.030 |
0.155 |
0.176 |
10.235 |
9.345 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
53.8 ± 2.6 |
405.7 ± 30.1 |
2.34 ± 0.43 |
| VC |
75.1 ± 4.0 |
476.0 ± 27.2 |
2.34 ± 0.43 |
| MX1 |
70.3 ± 4.0 |
472.8 ± 27.7 |
2.34 ± 0.43 |
| MX2 |
70.8 ± 4.1 |
472.3 ± 27.5 |
2.34 ± 0.43 |
| MX3 |
71.0 ± 4.2 |
472.0 ± 27.5 |
2.34 ± 0.43 |
| RH08 |
69.4 ± 3.3 |
477.3 ± 28.6 |
2.34 ± 0.43 |
| RH09 |
69.4 ± 3.3 |
477.3 ± 28.6 |
2.34 ± 0.43 |
| RH10 |
69.4 ± 3.3 |
477.3 ± 28.6 |
2.34 ± 0.43 |
| Average |
68.6 |
466.3 |
2.34 |
| Median |
70.3 |
476.0 |
2.34 |
| Deviation |
6.3 |
24.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
107.1 ± 2.3 |
15.6 ± 0.4 |
32.6 ± 0.9 |
60.2 ± 1.4 |
6.88 ± 0.28 |
1.78 ± 0.07 |
| VC |
140.4 ± 1.2 |
6.6 ± 0.2 |
14.1 ± 0.4 |
61.9 ± 1.4 |
21.34 ± 0.57 |
2.27 ± 0.06 |
| MX1 |
138.7 ± 1.3 |
8.7 ± 0.2 |
18.6 ± 0.5 |
61.6 ± 1.4 |
15.97 ± 0.45 |
2.25 ± 0.06 |
| MX2 |
139.7 ± 1.3 |
8.5 ± 0.2 |
18.1 ± 0.5 |
61.6 ± 1.4 |
16.48 ± 0.46 |
2.27 ± 0.06 |
| MX3 |
140.0 ± 1.3 |
8.4 ± 0.2 |
18.0 ± 0.5 |
61.6 ± 1.4 |
16.70 ± 0.47 |
2.27 ± 0.06 |
| RH8 |
135.8 ± 1.1 |
9.1 ± 0.2 |
19.4 ± 0.5 |
61.6 ± 1.4 |
14.96 ± 0.43 |
2.21 ± 0.06 |
| RH9 |
135.8 ± 1.1 |
9.1 ± 0.2 |
19.4 ± 0.5 |
61.6 ± 1.4 |
14.96 ± 0.43 |
2.21 ± 0.06 |
| RH10 |
135.8 ± 1.1 |
9.1 ± 0.2 |
19.4 ± 0.5 |
61.6 ± 1.4 |
14.96 ± 0.43 |
2.21 ± 0.06 |
| Average |
134.1 |
9.4 |
19.9 |
61.5 |
15.3 |
2.2 |
| Median |
138.7 |
9.1 |
19.4 |
61.6 |
16.0 |
2.3 |
| Deviation |
11.1 |
2.6 |
5.4 |
0.5 |
4.0 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
45.2 ± 9.0 |
26.5 ± 1.6 |
58.9 ± 6.1 |
107.9 ± 8.4 |
1.71 ± 0.31 |
0.42 ± 0.09 |
| VC |
57.4 ± 4.5 |
11.2 ± 0.6 |
25.6 ± 2.6 |
110.6 ± 8.0 |
5.15 ± 0.56 |
0.52 ± 0.05 |
| MX1 |
56.0 ± 4.8 |
14.8 ± 0.9 |
33.6 ± 3.5 |
110.2 ± 8.1 |
3.80 ± 0.43 |
0.51 ± 0.06 |
| MX2 |
56.9 ± 4.8 |
14.4 ± 0.8 |
32.8 ± 3.4 |
110.2 ± 8.1 |
3.96 ± 0.45 |
0.52 ± 0.06 |
| MX3 |
57.3 ± 4.8 |
14.3 ± 0.8 |
32.5 ± 3.4 |
110.2 ± 8.0 |
4.03 ± 0.46 |
0.52 ± 0.06 |
| RH8 |
53.6 ± 5.1 |
15.4 ± 0.9 |
35.1 ± 3.6 |
110.1 ± 8.1 |
3.48 ± 0.39 |
0.49 ± 0.06 |
| RH9 |
53.6 ± 5.1 |
15.4 ± 0.9 |
35.1 ± 3.6 |
110.1 ± 8.1 |
3.48 ± 0.39 |
0.49 ± 0.06 |
| RH10 |
53.6 ± 5.1 |
15.4 ± 0.9 |
35.1 ± 3.6 |
110.1 ± 8.1 |
3.48 ± 0.39 |
0.49 ± 0.06 |
| Average |
54.2 |
15.9 |
36.1 |
109.9 |
3.6 |
0.5 |
| Median |
56.0 |
15.4 |
35.1 |
110.2 |
3.8 |
0.5 |
| Deviation |
4.0 |
4.5 |
9.7 |
0.8 |
1.0 |
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)
| 
