Database: Wind Shock Analysis
Event Database ID: 19992582008
Observation time: 09/15/1999 DOY 258.83936 2008 [UT]
General
information (Description, Top)
| Year |
1999 |
| Fractional day of year |
258.839358 |
| Arrival time of shock [seconds of day] |
72520.5 ± 24.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
69.745 |
| Y GSE location of spacecraft [Re] |
-34.766 |
| Z GSE location of spacecraft [Re] |
-2.780 |
| Upstream plasma points selected for analysis |
0006 |
| Upstream field points selected for analysis |
0308 |
| Downstream plasma points selected for analysis |
0009
|
| Downstream field points selected for analysis |
0262 |
| Minimum chisq/dof for RH8,RH9,RH10 |
19.23, 40.51, 42.05 |
Event added to database
|
Mon Feb 14 11:08:47 2005
|
Event last processed
|
Mon Mar 30 19:02:27 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
10.006 ± 1.694
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-545.7 ± 2.2 |
-605.9 ± 2.6 |
| Vy GSE [km/s] |
-17.6 ± 3.1 |
-43.5 ± 3.5 |
| Vz GSE [km/s] |
-108.2 ± 1.9 |
-66.9 ± 3.1 |
| Wi [km/s] |
45.7 ± 2.2 |
52.4 ± 2.2 |
| We [km/s] |
1444.1 ± 69.2 |
1656.7 ± 69.0 |
| Ni [n/cc] |
2.7 ± 0.1 |
5.3 ± 0.2 |
| Bx GSE [nT] |
-0.9 ± 0.1 |
0.7 ± 0.3 |
| By GSE [nT] |
1.9 ± 0.2 |
4.6 ± 0.6 |
| Bz GSE [nT] |
2.8 ± 0.2 |
6.4 ± 0.4 |
Plasma Beta
|
0.977 ± 1.007
|
0.481 ± 0.483
|
Sound Speed [km/s]
|
58.96 ± 2.82
|
67.64 ± 2.82
|
Alfven Speed [km/s]
|
46.32 ± 1.24
|
75.69 ± 2.30
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.933 ± 0.069 |
0.179 ± 0.234 |
0.312 ± 0.302 |
18.19 ± 9.91 |
169.15 ± 14.34 |
| VC |
-0.777 ± 0.031 |
-0.335 ± 0.051 |
0.532 ± 0.475 |
32.17 ± 2.56 |
203.31 ± 3.71 |
| MX1 |
-0.773 ± 0.047 |
-0.300 ± 0.074 |
0.559 ± 0.492 |
33.98 ± 4.08 |
201.24 ± 5.42 |
| MX2 |
-0.770 ± 0.046 |
-0.303 ± 0.062 |
0.561 ± 0.493 |
34.14 ± 4.39 |
201.45 ± 4.46 |
| MX3 |
-0.769 ± 0.047 |
-0.304 ± 0.056 |
0.563 ± 0.494 |
34.25 ± 4.59 |
201.61 ± 3.99 |
| RH08 |
-0.816 ± 0.005 |
-0.167 ± 0.012 |
0.553 ± 0.488 |
33.58 ± 0.45 |
191.53 ± 0.82 |
| RH09 |
-0.949 ± 0.022 |
0.159 ± 0.069 |
0.274 ± 0.267 |
15.89 ± 4.02 |
170.47 ± 4.19 |
| RH10 |
-0.952 ± 0.022 |
0.177 ± 0.070 |
0.251 ± 0.246 |
14.56 ± 3.99 |
169.47 ± 4.20 |
| Average |
-0.842 |
-0.112 |
0.451 |
27.094 |
188.530 |
| Median |
-0.777 |
-0.167 |
0.553 |
33.578 |
201.242 |
| Deviation |
0.086 |
0.240 |
0.143 |
9.087 |
16.001 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
54.3 ± 2.0 |
605.4 ± 11.5 |
1.98 ± 0.06 |
| VC |
64.1 ± 3.2 |
531.2 ± 12.4 |
1.98 ± 0.06 |
| MX1 |
61.6 ± 3.2 |
525.1 ± 12.5 |
1.98 ± 0.06 |
| MX2 |
61.6 ± 3.2 |
523.4 ± 12.5 |
1.98 ± 0.06 |
| MX3 |
61.7 ± 3.2 |
522.3 ± 12.5 |
1.98 ± 0.06 |
| RH08 |
56.3 ± 2.9 |
544.4 ± 12.6 |
1.98 ± 0.06 |
| RH09 |
56.9 ± 2.0 |
618.0 ± 11.3 |
1.98 ± 0.06 |
| RH10 |
57.3 ± 2.0 |
619.3 ± 11.2 |
1.98 ± 0.06 |
| Average |
59.2 |
561.1 |
1.98 |
| Median |
61.6 |
544.4 |
1.98 |
| Deviation |
3.5 |
44.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
133.1 ± 1.8 |
22.2 ± 0.4 |
27.1 ± 0.7 |
71.6 ± 2.1 |
5.98 ± 0.18 |
1.86 ± 0.07 |
| VC |
158.7 ± 2.6 |
16.3 ± 0.3 |
20.2 ± 0.5 |
73.2 ± 2.1 |
9.77 ± 0.30 |
2.17 ± 0.08 |
| MX1 |
158.5 ± 2.6 |
17.8 ± 0.4 |
22.0 ± 0.6 |
72.9 ± 2.1 |
8.91 ± 0.27 |
2.18 ± 0.08 |
| MX2 |
158.5 ± 2.6 |
17.8 ± 0.4 |
22.0 ± 0.6 |
72.9 ± 2.1 |
8.91 ± 0.27 |
2.18 ± 0.08 |
| MX3 |
158.5 ± 2.6 |
17.8 ± 0.4 |
22.0 ± 0.6 |
72.9 ± 2.1 |
8.92 ± 0.27 |
2.18 ± 0.08 |
| RH8 |
155.9 ± 2.3 |
21.0 ± 0.4 |
25.7 ± 0.7 |
72.0 ± 2.1 |
7.41 ± 0.23 |
2.17 ± 0.08 |
| RH9 |
132.7 ± 1.8 |
20.7 ± 0.4 |
25.3 ± 0.7 |
72.1 ± 2.1 |
6.42 ± 0.19 |
1.84 ± 0.07 |
| RH10 |
130.3 ± 1.8 |
20.4 ± 0.4 |
25.0 ± 0.7 |
72.2 ± 2.1 |
6.39 ± 0.19 |
1.81 ± 0.07 |
| Average |
148.3 |
19.2 |
23.7 |
72.5 |
7.8 |
2.0 |
| Median |
158.5 |
20.4 |
25.0 |
72.9 |
8.9 |
2.2 |
| Deviation |
13.5 |
2.1 |
2.4 |
0.6 |
1.5 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
68.7 ± 2.8 |
30.9 ± 0.8 |
44.2 ± 1.3 |
96.7 ± 2.5 |
2.23 ± 0.11 |
0.71 ± 0.04 |
| VC |
81.3 ± 2.6 |
22.5 ± 0.6 |
33.0 ± 1.0 |
99.0 ± 2.6 |
3.61 ± 0.16 |
0.82 ± 0.04 |
| MX1 |
81.1 ± 2.7 |
24.7 ± 0.7 |
35.9 ± 1.1 |
98.5 ± 2.6 |
3.29 ± 0.15 |
0.82 ± 0.04 |
| MX2 |
81.1 ± 2.7 |
24.7 ± 0.7 |
35.9 ± 1.1 |
98.5 ± 2.6 |
3.29 ± 0.15 |
0.82 ± 0.04 |
| MX3 |
81.1 ± 2.7 |
24.7 ± 0.7 |
35.9 ± 1.1 |
98.5 ± 2.6 |
3.29 ± 0.15 |
0.82 ± 0.04 |
| RH8 |
79.6 ± 2.7 |
29.2 ± 0.8 |
42.0 ± 1.3 |
97.2 ± 2.5 |
2.73 ± 0.12 |
0.82 ± 0.04 |
| RH9 |
68.5 ± 2.8 |
28.7 ± 0.8 |
41.4 ± 1.3 |
97.4 ± 2.5 |
2.39 ± 0.12 |
0.70 ± 0.04 |
| RH10 |
67.2 ± 2.8 |
28.3 ± 0.8 |
40.8 ± 1.2 |
97.5 ± 2.5 |
2.38 ± 0.12 |
0.69 ± 0.04 |
| Average |
76.1 |
26.7 |
38.7 |
97.9 |
2.9 |
0.8 |
| Median |
81.1 |
28.3 |
40.8 |
98.5 |
3.3 |
0.8 |
| Deviation |
6.6 |
2.9 |
3.9 |
0.8 |
0.5 |
0.1 |
Survey interval (About, Top)
Selected
data (About, Top)
|
Key plasma parameters
|
Velocity
|
Magnetic Field
|
Shock direction from simple methods
(About, Top)
Rankine-Hugoniot Chi^2
contour plots (About, Top)
Shock
speed in solar wind frame (About, Top)
Theta Bn (About, Top)
Mach numbers and wave speeds (About, Top)
Page updated Mon Apr 13 08:55:27 2009
Justin C Kasper
(jkasper@cfa.harvard.edu)
| 
