Database: Wind Shock Analysis
Event ID: 19991061114
Observation time: 04/16/1999 106.46807 1114 [UT]
|
|
General
Information (About, Top)
| Year |
1999 |
| Fractional day of year |
106.468073 |
| Arrival time of shock [seconds of day] |
40441.5 ± 15.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
53.527 |
| Y GSE location of spacecraft [Re] |
-4.398 |
| Z GSE location of spacecraft [Re] |
-16.139 |
| Upstream plasma points selected for analysis |
0008 |
| Upstream field points selected for analysis |
0256 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0234 |
| Minimum chisq/dof for RH8,RH9,RH10 |
2.61, 5.21, 5.33 |
Event added to database
|
Mon Feb 14 11:07:53 2005
|
Event last processed
|
Mon Mar 30 18:36:05 2009
|
Method selected
|
RH09
|
Propagation delay to Earth [minutes]
|
12.195 ± 0.584
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-382.6 ± 4.1 |
-436.1 ± 3.4 |
| Vy GSE [km/s] |
-32.1 ± 1.6 |
-13.4 ± 4.9 |
| Vz GSE [km/s] |
13.4 ± 6.4 |
31.7 ± 20.3 |
| Wi [km/s] |
24.9 ± 2.4 |
51.5 ± 4.5 |
| We [km/s] |
786.4 ± 74.9 |
1629.3 ± 141.1 |
| Ni [n/cc] |
4.0 ± 0.5 |
8.3 ± 0.6 |
| Bx GSE [nT] |
-2.3 ± 0.3 |
-1.7 ± 0.6 |
| By GSE [nT] |
6.1 ± 0.2 |
10.0 ± 0.7 |
| Bz GSE [nT] |
-1.0 ± 0.5 |
-1.2 ± 3.4 |
Plasma Beta
|
0.120 ± 0.111
|
0.411 ± 0.398
|
Sound Speed [km/s]
|
32.10 ± 3.06
|
66.52 ± 5.76
|
Alfven Speed [km/s]
|
72.76 ± 4.24
|
81.19 ± 4.13
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.850 ± 0.212 |
0.525 ± 0.342 |
0.053 ± 0.052 |
3.01 ± 28.73 |
148.29 ± 23.04 |
| VC |
-0.901 ± 0.095 |
0.318 ± 0.094 |
0.296 ± 0.287 |
17.20 ± 18.38 |
160.54 ± 5.62 |
| MX1 |
-0.878 ± 0.138 |
0.370 ± 0.272 |
0.303 ± 0.293 |
17.62 ± 15.96 |
157.15 ± 17.61 |
| MX2 |
-0.890 ± 0.110 |
0.337 ± 0.222 |
0.308 ± 0.298 |
17.95 ± 14.29 |
159.24 ± 14.16 |
| MX3 |
-0.896 ± 0.099 |
0.321 ± 0.203 |
0.307 ± 0.297 |
17.89 ± 13.48 |
160.27 ± 12.86 |
| RH08 |
-0.986 ± 0.004 |
0.043 ± 0.027 |
0.162 ± 0.161 |
9.32 ± 1.47 |
177.49 ± 1.58 |
| RH09 |
-0.957 ± 0.020 |
0.178 ± 0.070 |
0.229 ± 0.225 |
13.24 ± 3.97 |
169.47 ± 4.17 |
| RH10 |
-0.957 ± 0.020 |
0.178 ± 0.070 |
0.229 ± 0.225 |
13.24 ± 3.97 |
169.47 ± 4.17 |
| Average |
-0.914 |
0.284 |
0.236 |
13.684 |
162.741 |
| Median |
-0.896 |
0.321 |
0.296 |
17.199 |
160.545 |
| Deviation |
0.047 |
0.147 |
0.091 |
5.304 |
9.036 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
39.3 ± 3.3 |
419.4 ± 14.8 |
2.10 ± 0.36 |
| VC |
55.6 ± 3.6 |
455.5 ± 15.2 |
2.10 ± 0.36 |
| MX1 |
52.8 ± 3.6 |
444.6 ± 15.3 |
2.10 ± 0.36 |
| MX2 |
54.7 ± 3.6 |
450.6 ± 15.4 |
2.10 ± 0.36 |
| MX3 |
55.6 ± 3.6 |
453.7 ± 15.4 |
2.10 ± 0.36 |
| RH08 |
68.9 ± 3.2 |
487.7 ± 14.2 |
2.10 ± 0.36 |
| RH09 |
62.3 ± 3.4 |
479.8 ± 14.5 |
2.10 ± 0.36 |
| RH10 |
62.3 ± 3.4 |
479.8 ± 14.5 |
2.10 ± 0.36 |
| Average |
56.4 |
458.9 |
2.10 |
| Median |
55.6 |
455.5 |
2.10 |
| Deviation |
8.7 |
22.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
110.5 ± 3.5 |
23.8 ± 2.0 |
56.3 ± 3.3 |
75.9 ± 3.8 |
4.68 ± 0.47 |
1.46 ± 0.08 |
| VC |
117.1 ± 4.2 |
17.0 ± 1.3 |
41.2 ± 2.4 |
77.8 ± 3.7 |
6.95 ± 0.65 |
1.51 ± 0.08 |
| MX1 |
116.4 ± 4.2 |
18.2 ± 1.4 |
44.0 ± 2.6 |
77.5 ± 3.7 |
6.43 ± 0.61 |
1.50 ± 0.08 |
| MX2 |
117.0 ± 4.2 |
17.3 ± 1.4 |
42.0 ± 2.4 |
77.7 ± 3.7 |
6.79 ± 0.64 |
1.51 ± 0.08 |
| MX3 |
117.2 ± 4.2 |
16.9 ± 1.3 |
41.1 ± 2.4 |
77.8 ± 3.7 |
6.96 ± 0.65 |
1.51 ± 0.08 |
| RH8 |
109.7 ± 4.2 |
10.7 ± 0.8 |
26.2 ± 1.5 |
78.9 ± 3.7 |
10.35 ± 1.01 |
1.39 ± 0.08 |
| RH9 |
116.3 ± 4.2 |
13.8 ± 1.1 |
33.9 ± 2.0 |
78.4 ± 3.7 |
8.45 ± 0.80 |
1.49 ± 0.08 |
| RH10 |
116.3 ± 4.2 |
13.8 ± 1.1 |
33.9 ± 2.0 |
78.4 ± 3.7 |
8.45 ± 0.80 |
1.49 ± 0.08 |
| Average |
115.1 |
16.4 |
39.8 |
77.8 |
7.4 |
1.5 |
| Median |
116.4 |
17.0 |
41.2 |
77.8 |
7.0 |
1.5 |
| Deviation |
3.1 |
3.9 |
8.9 |
0.9 |
1.7 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
54.3 ± 1.8 |
43.6 ± 2.2 |
62.8 ± 3.2 |
95.6 ± 3.4 |
1.25 ± 0.09 |
0.57 ± 0.03 |
| VC |
57.6 ± 4.9 |
30.3 ± 1.5 |
45.9 ± 2.3 |
100.7 ± 3.7 |
1.91 ± 0.20 |
0.57 ± 0.05 |
| MX1 |
57.0 ± 5.1 |
32.6 ± 1.6 |
49.1 ± 2.5 |
99.9 ± 3.6 |
1.75 ± 0.20 |
0.57 ± 0.06 |
| MX2 |
57.5 ± 5.2 |
31.0 ± 1.5 |
46.9 ± 2.4 |
100.4 ± 3.7 |
1.86 ± 0.21 |
0.57 ± 0.06 |
| MX3 |
57.6 ± 5.1 |
30.2 ± 1.5 |
45.9 ± 2.3 |
100.7 ± 3.7 |
1.91 ± 0.21 |
0.57 ± 0.06 |
| RH8 |
53.2 ± 2.9 |
18.8 ± 0.9 |
29.3 ± 1.5 |
103.4 ± 3.8 |
2.84 ± 0.17 |
0.51 ± 0.03 |
| RH9 |
57.6 ± 3.6 |
24.5 ± 1.2 |
37.8 ± 1.9 |
102.2 ± 3.8 |
2.35 ± 0.19 |
0.56 ± 0.04 |
| RH10 |
57.6 ± 3.6 |
24.5 ± 1.2 |
37.8 ± 1.9 |
102.2 ± 3.8 |
2.35 ± 0.19 |
0.56 ± 0.04 |
| Average |
56.5 |
29.4 |
44.4 |
100.6 |
2.0 |
0.6 |
| Median |
57.6 |
30.3 |
45.9 |
100.7 |
1.9 |
0.6 |
| Deviation |
1.8 |
7.3 |
9.9 |
2.3 |
0.5 |
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)
| 
