Database: Wind Shock Analysis
Event ID: 19983160718
Observation time: 11/12/1998 316.30446 0718 [UT]
|
|
General
Information (About, Top)
| Year |
1998 |
| Fractional day of year |
316.304462 |
| Arrival time of shock [seconds of day] |
26305.5 ± 9.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
34.999 |
| Y GSE location of spacecraft [Re] |
16.204 |
| Z GSE location of spacecraft [Re] |
2.968 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0224 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0263 |
| Minimum chisq/dof for RH8,RH9,RH10 |
3.80, 7.97, 8.16 |
Event added to database
|
Mon Feb 14 11:07:20 2005
|
Event last processed
|
Mon Mar 30 18:21:42 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
8.745 ± 0.292
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-337.3 ± 3.1 |
-372.6 ± 6.7 |
| Vy GSE [km/s] |
-14.0 ± 4.3 |
-19.4 ± 3.3 |
| Vz GSE [km/s] |
-13.9 ± 11.0 |
-21.1 ± 4.5 |
| Wi [km/s] |
20.5 ± 2.4 |
28.4 ± 2.1 |
| We [km/s] |
648.2 ± 77.4 |
897.3 ± 67.7 |
| Ni [n/cc] |
4.0 ± 0.6 |
7.7 ± 0.5 |
| Bx GSE [nT] |
3.9 ± 0.2 |
3.2 ± 0.9 |
| By GSE [nT] |
-3.9 ± 0.4 |
-7.4 ± 0.7 |
| Bz GSE [nT] |
-0.9 ± 1.0 |
-2.5 ± 0.5 |
Plasma Beta
|
0.112 ± 0.117
|
0.182 ± 0.183
|
Sound Speed [km/s]
|
26.46 ± 3.16
|
36.63 ± 2.76
|
Alfven Speed [km/s]
|
63.05 ± 5.48
|
66.87 ± 2.24
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.945 ± 0.070 |
0.319 ± 0.194 |
-0.068 ± 0.068 |
-3.91 ± 20.79 |
161.33 ± 11.78 |
| VC |
-0.971 ± 0.059 |
-0.140 ± 0.138 |
-0.192 ± 0.190 |
-11.10 ± 16.77 |
188.21 ± 8.10 |
| MX1 |
-0.965 ± 0.056 |
0.258 ± 0.205 |
-0.037 ± 0.037 |
-2.09 ± 14.62 |
165.02 ± 12.15 |
| MX2 |
-0.968 ± 0.051 |
0.249 ± 0.197 |
-0.035 ± 0.035 |
-1.98 ± 13.74 |
165.56 ± 11.68 |
| MX3 |
-0.971 ± 0.047 |
0.238 ± 0.190 |
-0.031 ± 0.031 |
-1.77 ± 13.05 |
166.24 ± 11.23 |
| RH08 |
-0.995 ± 0.001 |
0.096 ± 0.014 |
-0.006 ± 0.006 |
-0.32 ± 1.17 |
174.48 ± 0.80 |
| RH09 |
-0.993 ± 0.008 |
0.114 ± 0.068 |
-0.017 ± 0.017 |
-0.96 ± 4.05 |
173.48 ± 3.91 |
| RH10 |
-0.993 ± 0.008 |
0.113 ± 0.068 |
-0.028 ± 0.028 |
-1.60 ± 4.06 |
173.48 ± 3.91 |
| Average |
-0.975 |
0.156 |
-0.052 |
-2.967 |
170.976 |
| Median |
-0.971 |
0.238 |
-0.031 |
-1.774 |
173.482 |
| Deviation |
0.018 |
0.145 |
0.060 |
3.445 |
8.471 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
30.8 ± 1.7 |
382.4 ± 12.0 |
1.97 ± 0.33 |
| VC |
57.2 ± 1.9 |
410.5 ± 13.8 |
1.97 ± 0.33 |
| MX1 |
33.3 ± 1.6 |
391.8 ± 12.2 |
1.97 ± 0.33 |
| MX2 |
33.8 ± 1.6 |
392.8 ± 12.2 |
1.97 ± 0.33 |
| MX3 |
34.3 ± 1.7 |
394.0 ± 12.2 |
1.97 ± 0.33 |
| RH08 |
41.4 ± 2.4 |
407.4 ± 12.7 |
1.97 ± 0.33 |
| RH09 |
40.7 ± 2.3 |
406.1 ± 12.7 |
1.97 ± 0.33 |
| RH10 |
40.8 ± 2.1 |
406.3 ± 12.7 |
1.97 ± 0.33 |
| Average |
39.0 |
398.9 |
1.97 |
| Median |
40.7 |
406.1 |
1.97 |
| Deviation |
8.4 |
10.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
67.1 ± 2.2 |
22.1 ± 2.5 |
54.2 ± 4.7 |
64.8 ± 5.0 |
3.08 ± 0.47 |
1.04 ± 0.06 |
| VC |
78.2 ± 3.1 |
13.4 ± 1.4 |
34.1 ± 3.0 |
67.2 ± 4.4 |
5.91 ± 0.89 |
1.17 ± 0.05 |
| MX1 |
69.3 ± 2.3 |
21.4 ± 2.4 |
52.7 ± 4.6 |
65.0 ± 4.9 |
3.28 ± 0.51 |
1.07 ± 0.06 |
| MX2 |
69.3 ± 2.3 |
21.3 ± 2.3 |
52.4 ± 4.6 |
65.1 ± 4.9 |
3.30 ± 0.52 |
1.07 ± 0.06 |
| MX3 |
69.4 ± 2.3 |
21.1 ± 2.3 |
52.1 ± 4.5 |
65.1 ± 4.9 |
3.33 ± 0.52 |
1.07 ± 0.06 |
| RH8 |
72.9 ± 2.8 |
19.0 ± 2.0 |
47.3 ± 4.1 |
65.8 ± 4.7 |
3.90 ± 0.63 |
1.11 ± 0.05 |
| RH9 |
72.4 ± 2.7 |
19.2 ± 2.1 |
47.8 ± 4.2 |
65.7 ± 4.8 |
3.82 ± 0.61 |
1.10 ± 0.05 |
| RH10 |
72.5 ± 2.7 |
19.2 ± 2.1 |
47.7 ± 4.1 |
65.7 ± 4.8 |
3.84 ± 0.61 |
1.11 ± 0.05 |
| Average |
71.4 |
19.6 |
48.5 |
65.5 |
3.8 |
1.1 |
| Median |
72.4 |
21.1 |
52.1 |
65.7 |
3.8 |
1.1 |
| Deviation |
3.4 |
2.8 |
6.4 |
0.8 |
0.9 |
0.0 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
34.9 ± 6.4 |
30.0 ± 2.0 |
57.4 ± 1.9 |
70.1 ± 2.0 |
1.18 ± 0.26 |
0.50 ± 0.09 |
| VC |
41.9 ± 6.9 |
17.8 ± 1.0 |
36.2 ± 1.2 |
74.2 ± 1.9 |
2.36 ± 0.45 |
0.57 ± 0.10 |
| MX1 |
36.3 ± 6.5 |
29.0 ± 1.9 |
55.9 ± 1.9 |
70.6 ± 1.9 |
1.26 ± 0.27 |
0.52 ± 0.10 |
| MX2 |
36.3 ± 6.5 |
28.8 ± 1.8 |
55.6 ± 1.9 |
70.6 ± 1.9 |
1.27 ± 0.27 |
0.51 ± 0.10 |
| MX3 |
36.2 ± 6.5 |
28.6 ± 1.8 |
55.2 ± 1.9 |
70.7 ± 1.9 |
1.28 ± 0.27 |
0.51 ± 0.10 |
| RH8 |
38.3 ± 6.6 |
25.5 ± 1.6 |
50.1 ± 1.7 |
71.9 ± 1.9 |
1.51 ± 0.31 |
0.53 ± 0.10 |
| RH9 |
37.9 ± 6.6 |
25.9 ± 1.6 |
50.7 ± 1.7 |
71.8 ± 1.9 |
1.47 ± 0.30 |
0.53 ± 0.10 |
| RH10 |
37.8 ± 6.6 |
25.8 ± 1.6 |
50.6 ± 1.7 |
71.8 ± 1.9 |
1.48 ± 0.31 |
0.53 ± 0.10 |
| Average |
37.5 |
26.4 |
51.5 |
71.5 |
1.5 |
0.5 |
| Median |
37.8 |
28.6 |
55.2 |
71.8 |
1.5 |
0.5 |
| Deviation |
2.1 |
3.9 |
6.8 |
1.3 |
0.4 |
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)
| 
