Database: Wind Shock Analysis
Event ID: 19991770231
Observation time: 06/26/1999 177.10536 0231 [UT]
|
|
General
Information (About, Top)
| Year |
1999 |
| Fractional day of year |
177.105365 |
| Arrival time of shock [seconds of day] |
9103.5 ± 9.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
209.460 |
| Y GSE location of spacecraft [Re] |
-22.200 |
| Z GSE location of spacecraft [Re] |
-3.574 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0215 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0244 |
| Minimum chisq/dof for RH8,RH9,RH10 |
8.63, 33.64, 36.52 |
Event added to database
|
Mon Feb 14 11:08:05 2005
|
Event last processed
|
Mon Mar 30 18:41:35 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
52.557 ± 0.791
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-314.1 ± 1.7 |
-349.8 ± 0.8 |
| Vy GSE [km/s] |
-0.1 ± 1.1 |
-11.5 ± 1.9 |
| Vz GSE [km/s] |
-1.6 ± 1.5 |
-0.6 ± 1.2 |
| Wi [km/s] |
24.5 ± 0.4 |
30.1 ± 0.4 |
| We [km/s] |
775.2 ± 11.9 |
951.3 ± 14.1 |
| Ni [n/cc] |
20.0 ± 0.9 |
38.6 ± 2.1 |
| Bx GSE [nT] |
1.8 ± 0.3 |
3.4 ± 0.2 |
| By GSE [nT] |
-3.8 ± 0.3 |
-8.0 ± 0.3 |
| Bz GSE [nT] |
-3.1 ± 0.2 |
-5.3 ± 0.4 |
Plasma Beta
|
0.922 ± 0.912
|
0.708 ± 0.702
|
Sound Speed [km/s]
|
31.65 ± 0.49
|
38.84 ± 0.58
|
Alfven Speed [km/s]
|
25.59 ± 0.79
|
35.86 ± 1.50
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.666 ± 0.503 |
-0.578 ± 0.540 |
0.472 ± 0.434 |
28.19 ± 44.85 |
220.94 ± 41.49 |
| VC |
-0.952 ± 0.016 |
-0.304 ± 0.052 |
0.024 ± 0.024 |
1.39 ± 2.67 |
197.71 ± 3.10 |
| MX1 |
-0.934 ± 0.025 |
-0.358 ± 0.065 |
-0.017 ± 0.017 |
-0.99 ± 2.39 |
200.95 ± 4.00 |
| MX2 |
-0.933 ± 0.026 |
-0.360 ± 0.066 |
-0.011 ± 0.011 |
-0.63 ± 2.19 |
201.10 ± 4.08 |
| MX3 |
-0.932 ± 0.026 |
-0.362 ± 0.068 |
-0.005 ± 0.005 |
-0.29 ± 2.08 |
201.24 ± 4.16 |
| RH08 |
-0.948 ± 0.003 |
-0.318 ± 0.008 |
-0.028 ± 0.028 |
-1.60 ± 0.52 |
198.55 ± 0.50 |
| RH09 |
-0.847 ± 0.037 |
-0.037 ± 0.055 |
-0.531 ± 0.474 |
-32.05 ± 3.96 |
182.51 ± 3.71 |
| RH10 |
-0.871 ± 0.034 |
-0.069 ± 0.067 |
-0.486 ± 0.444 |
-29.08 ± 3.96 |
184.51 ± 4.43 |
| Average |
-0.885 |
-0.298 |
-0.073 |
-4.384 |
198.439 |
| Median |
-0.932 |
-0.318 |
-0.011 |
-0.628 |
200.952 |
| Deviation |
0.096 |
0.174 |
0.316 |
18.973 |
11.808 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
85.2 ± 4.0 |
271.8 ± 5.5 |
1.91 ± 0.05 |
| VC |
83.6 ± 3.3 |
377.9 ± 5.6 |
1.91 ± 0.05 |
| MX1 |
87.6 ± 3.3 |
371.8 ± 5.4 |
1.91 ± 0.05 |
| MX2 |
87.5 ± 3.3 |
371.5 ± 5.4 |
1.91 ± 0.05 |
| MX3 |
87.4 ± 3.3 |
371.2 ± 5.5 |
1.91 ± 0.05 |
| RH08 |
86.1 ± 3.3 |
376.4 ± 5.4 |
1.91 ± 0.05 |
| RH09 |
86.6 ± 2.5 |
329.8 ± 3.9 |
1.91 ± 0.05 |
| RH10 |
87.2 ± 2.6 |
340.3 ± 4.1 |
1.91 ± 0.05 |
| Average |
86.4 |
351.3 |
1.91 |
| Median |
87.2 |
371.5 |
1.91 |
| Deviation |
1.4 |
36.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
63.4 ± 2.2 |
1.6 ± 0.0 |
2.1 ± 0.1 |
40.7 ± 0.3 |
38.44 ± 1.77 |
1.56 ± 0.06 |
| VC |
78.8 ± 1.9 |
2.2 ± 0.0 |
2.8 ± 0.1 |
40.6 ± 0.3 |
35.63 ± 1.25 |
1.94 ± 0.05 |
| MX1 |
78.5 ± 1.8 |
0.8 ± 0.0 |
1.1 ± 0.0 |
40.7 ± 0.3 |
95.65 ± 3.31 |
1.93 ± 0.05 |
| MX2 |
78.4 ± 1.8 |
0.9 ± 0.0 |
1.1 ± 0.0 |
40.7 ± 0.3 |
91.85 ± 3.19 |
1.93 ± 0.05 |
| MX3 |
78.4 ± 1.8 |
0.9 ± 0.0 |
1.1 ± 0.0 |
40.7 ± 0.3 |
88.62 ± 3.09 |
1.93 ± 0.05 |
| RH8 |
78.7 ± 1.8 |
1.4 ± 0.0 |
1.7 ± 0.1 |
40.7 ± 0.3 |
57.89 ± 1.99 |
1.93 ± 0.05 |
| RH9 |
63.0 ± 1.0 |
1.2 ± 0.0 |
1.5 ± 0.0 |
40.7 ± 0.3 |
52.90 ± 1.42 |
1.55 ± 0.03 |
| RH10 |
65.9 ± 1.1 |
1.0 ± 0.0 |
1.2 ± 0.0 |
40.7 ± 0.3 |
68.75 ± 1.89 |
1.62 ± 0.03 |
| Average |
73.1 |
1.2 |
1.6 |
40.7 |
66.2 |
1.8 |
| Median |
78.4 |
1.2 |
1.5 |
40.7 |
68.8 |
1.9 |
| Deviation |
7.5 |
0.5 |
0.6 |
0.0 |
23.9 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
32.6 ± 1.1 |
2.2 ± 0.0 |
3.0 ± 0.1 |
52.8 ± 0.9 |
14.92 ± 0.59 |
0.62 ± 0.02 |
| VC |
41.3 ± 0.7 |
2.9 ± 0.1 |
4.0 ± 0.2 |
52.8 ± 0.9 |
14.11 ± 0.36 |
0.78 ± 0.02 |
| MX1 |
41.1 ± 0.7 |
1.1 ± 0.0 |
1.5 ± 0.1 |
52.9 ± 0.9 |
37.82 ± 0.89 |
0.78 ± 0.02 |
| MX2 |
41.1 ± 0.7 |
1.1 ± 0.0 |
1.5 ± 0.1 |
52.9 ± 0.9 |
36.31 ± 0.86 |
0.78 ± 0.02 |
| MX3 |
41.0 ± 0.7 |
1.2 ± 0.0 |
1.6 ± 0.1 |
52.9 ± 0.9 |
35.03 ± 0.83 |
0.78 ± 0.02 |
| RH8 |
41.3 ± 0.7 |
1.8 ± 0.0 |
2.5 ± 0.1 |
52.8 ± 0.9 |
22.93 ± 0.55 |
0.78 ± 0.02 |
| RH9 |
32.9 ± 0.8 |
1.6 ± 0.0 |
2.1 ± 0.1 |
52.9 ± 0.9 |
20.84 ± 0.53 |
0.62 ± 0.01 |
| RH10 |
34.5 ± 0.8 |
1.3 ± 0.0 |
1.7 ± 0.1 |
52.9 ± 0.9 |
27.17 ± 0.65 |
0.65 ± 0.01 |
| Average |
38.2 |
1.6 |
2.2 |
52.8 |
26.1 |
0.7 |
| Median |
41.1 |
1.6 |
2.1 |
52.9 |
27.2 |
0.8 |
| Deviation |
4.1 |
0.6 |
0.9 |
0.0 |
9.5 |
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)
| 
