Database: Wind Shock Analysis
Event ID: 19992160144
Observation time: 08/04/1999 216.07266 0144 [UT]
|
|
General
Information (About, Top)
| Year |
1999 |
| Fractional day of year |
216.072656 |
| Arrival time of shock [seconds of day] |
6277.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
| X GSE location of spacecraft [Re] |
137.289 |
| Y GSE location of spacecraft [Re] |
19.445 |
| Z GSE location of spacecraft [Re] |
9.142 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0275 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0233 |
| Minimum chisq/dof for RH8,RH9,RH10 |
3.22, 4.97, 5.07 |
Event added to database
|
Mon Feb 14 11:08:29 2005
|
Event last processed
|
Mon Mar 30 18:53:49 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
33.850 ± 2.110
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-336.3 ± 2.8 |
-375.1 ± 2.6 |
| Vy GSE [km/s] |
-14.6 ± 1.8 |
-31.1 ± 3.4 |
| Vz GSE [km/s] |
-1.2 ± 2.2 |
-25.2 ± 6.9 |
| Wi [km/s] |
15.1 ± 0.7 |
24.1 ± 1.1 |
| We [km/s] |
478.9 ± 21.5 |
762.4 ± 33.5 |
| Ni [n/cc] |
8.7 ± 0.2 |
16.7 ± 0.6 |
| Bx GSE [nT] |
4.4 ± 0.5 |
6.2 ± 0.7 |
| By GSE [nT] |
-4.4 ± 0.3 |
-10.4 ± 0.8 |
| Bz GSE [nT] |
-0.2 ± 0.4 |
-3.3 ± 1.2 |
Plasma Beta
|
0.108 ± 0.108
|
0.128 ± 0.131
|
Sound Speed [km/s]
|
19.55 ± 0.88
|
31.12 ± 1.37
|
Alfven Speed [km/s]
|
46.28 ± 1.07
|
67.39 ± 1.42
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.854 ± 0.141 |
0.116 ± 0.233 |
-0.508 ± 0.459 |
-30.51 ± 15.69 |
172.26 ± 15.58 |
| VC |
-0.801 ± 0.071 |
-0.338 ± 0.061 |
-0.494 ± 0.449 |
-29.60 ± 8.51 |
202.90 ± 3.88 |
| MX1 |
-0.916 ± 0.052 |
-0.045 ± 0.119 |
-0.399 ± 0.376 |
-23.53 ± 7.48 |
182.82 ± 7.41 |
| MX2 |
-0.921 ± 0.045 |
-0.061 ± 0.110 |
-0.384 ± 0.364 |
-22.60 ± 6.58 |
183.82 ± 6.83 |
| MX3 |
-0.925 ± 0.039 |
-0.075 ± 0.105 |
-0.372 ± 0.354 |
-21.82 ± 5.94 |
184.61 ± 6.50 |
| RH08 |
-0.952 ± 0.004 |
-0.109 ± 0.013 |
-0.285 ± 0.277 |
-16.55 ± 0.85 |
186.52 ± 0.78 |
| RH09 |
-0.969 ± 0.017 |
-0.094 ± 0.066 |
-0.229 ± 0.225 |
-13.24 ± 3.83 |
185.52 ± 3.90 |
| RH10 |
-0.969 ± 0.017 |
-0.094 ± 0.066 |
-0.229 ± 0.225 |
-13.24 ± 3.89 |
185.52 ± 3.89 |
| Average |
-0.913 |
-0.087 |
-0.362 |
-21.387 |
185.495 |
| Median |
-0.921 |
-0.075 |
-0.372 |
-21.819 |
185.515 |
| Deviation |
0.059 |
0.124 |
0.108 |
6.688 |
8.365 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
48.2 ± 4.2 |
377.1 ± 8.5 |
1.93 ± 0.04 |
| VC |
71.9 ± 4.6 |
376.7 ± 7.2 |
1.93 ± 0.04 |
| MX1 |
53.1 ± 4.6 |
405.1 ± 7.4 |
1.93 ± 0.04 |
| MX2 |
53.6 ± 4.6 |
407.6 ± 7.3 |
1.93 ± 0.04 |
| MX3 |
54.0 ± 4.6 |
409.4 ± 7.2 |
1.93 ± 0.04 |
| RH08 |
54.1 ± 4.8 |
418.1 ± 6.9 |
1.93 ± 0.04 |
| RH09 |
52.4 ± 4.9 |
421.0 ± 6.8 |
1.93 ± 0.04 |
| RH10 |
52.4 ± 4.9 |
421.0 ± 6.8 |
1.93 ± 0.04 |
| Average |
55.0 |
404.5 |
1.93 |
| Median |
53.6 |
409.4 |
1.93 |
| Deviation |
7.1 |
18.1 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
91.1 ± 2.6 |
12.4 ± 0.5 |
30.8 ± 0.7 |
48.7 ± 0.9 |
7.38 ± 0.43 |
1.87 ± 0.04 |
| VC |
101.8 ± 3.0 |
5.6 ± 0.2 |
14.4 ± 0.3 |
49.9 ± 0.8 |
18.16 ± 1.01 |
2.04 ± 0.04 |
| MX1 |
96.0 ± 2.8 |
11.1 ± 0.4 |
27.8 ± 0.6 |
49.0 ± 0.9 |
8.68 ± 0.50 |
1.96 ± 0.04 |
| MX2 |
96.5 ± 2.8 |
10.9 ± 0.4 |
27.5 ± 0.6 |
49.0 ± 0.9 |
8.83 ± 0.51 |
1.97 ± 0.04 |
| MX3 |
96.6 ± 2.9 |
10.8 ± 0.4 |
27.2 ± 0.6 |
49.1 ± 0.8 |
8.94 ± 0.51 |
1.97 ± 0.04 |
| RH8 |
95.9 ± 2.9 |
10.8 ± 0.4 |
27.1 ± 0.6 |
49.1 ± 0.8 |
8.90 ± 0.51 |
1.95 ± 0.04 |
| RH9 |
93.5 ± 2.9 |
11.3 ± 0.4 |
28.2 ± 0.7 |
49.0 ± 0.9 |
8.31 ± 0.48 |
1.91 ± 0.04 |
| RH10 |
93.5 ± 2.9 |
11.3 ± 0.4 |
28.2 ± 0.7 |
49.0 ± 0.9 |
8.31 ± 0.48 |
1.91 ± 0.04 |
| Average |
95.6 |
10.5 |
26.4 |
49.1 |
9.7 |
1.9 |
| Median |
96.0 |
11.1 |
27.8 |
49.0 |
8.8 |
2.0 |
| Deviation |
3.2 |
2.0 |
5.0 |
0.4 |
3.5 |
0.1 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
47.7 ± 3.5 |
19.5 ± 0.8 |
44.9 ± 0.9 |
71.6 ± 1.5 |
2.45 ± 0.19 |
0.67 ± 0.05 |
| VC |
53.3 ± 2.4 |
8.8 ± 0.3 |
20.9 ± 0.4 |
73.7 ± 1.6 |
6.05 ± 0.33 |
0.72 ± 0.04 |
| MX1 |
50.1 ± 2.7 |
17.5 ± 0.7 |
40.5 ± 0.9 |
72.2 ± 1.5 |
2.88 ± 0.17 |
0.70 ± 0.04 |
| MX2 |
50.5 ± 2.6 |
17.2 ± 0.7 |
40.0 ± 0.8 |
72.2 ± 1.5 |
2.93 ± 0.17 |
0.70 ± 0.04 |
| MX3 |
50.6 ± 2.5 |
17.1 ± 0.7 |
39.6 ± 0.8 |
72.3 ± 1.5 |
2.97 ± 0.17 |
0.70 ± 0.04 |
| RH8 |
50.3 ± 2.3 |
17.0 ± 0.7 |
39.5 ± 0.8 |
72.3 ± 1.5 |
2.96 ± 0.16 |
0.70 ± 0.04 |
| RH9 |
48.9 ± 2.3 |
17.8 ± 0.7 |
41.1 ± 0.9 |
72.1 ± 1.5 |
2.76 ± 0.16 |
0.68 ± 0.04 |
| RH10 |
48.9 ± 2.3 |
17.8 ± 0.7 |
41.1 ± 0.9 |
72.1 ± 1.5 |
2.76 ± 0.16 |
0.68 ± 0.04 |
| Average |
50.0 |
16.6 |
38.5 |
72.3 |
3.2 |
0.7 |
| Median |
50.3 |
17.5 |
40.5 |
72.2 |
2.9 |
0.7 |
| Deviation |
1.7 |
3.2 |
7.3 |
0.6 |
1.2 |
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)
| 
