Database: Wind Shock Analysis
Event ID: 19992580743
Observation time: 09/15/1999 258.32207 0743 [UT]
|
|
General
Information (About, Top)
| Year |
1999 |
| Fractional day of year |
258.322066 |
| Arrival time of shock [seconds of day] |
27826.5 ± 6.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
66.168 |
| Y GSE location of spacecraft [Re] |
-36.067 |
| Z GSE location of spacecraft [Re] |
-3.040 |
| Upstream plasma points selected for analysis |
0007 |
| Upstream field points selected for analysis |
0283 |
| Downstream plasma points selected for analysis |
0006
|
| Downstream field points selected for analysis |
0208 |
| Minimum chisq/dof for RH8,RH9,RH10 |
8.23, 9.41, 9.77 |
Event added to database
|
Mon Feb 14 11:08:44 2005
|
Event last processed
|
Mon Mar 30 19:00:42 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
11.166 ± 0.396
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-516.8 ± 4.5 |
-605.5 ± 5.9 |
| Vy GSE [km/s] |
-41.6 ± 10.7 |
-59.4 ± 4.3 |
| Vz GSE [km/s] |
-8.6 ± 16.9 |
45.5 ± 14.6 |
| Wi [km/s] |
65.7 ± 2.2 |
81.2 ± 3.3 |
| We [km/s] |
2079.0 ± 68.7 |
2567.2 ± 104.9 |
| Ni [n/cc] |
2.6 ± 0.1 |
5.1 ± 0.4 |
| Bx GSE [nT] |
-1.2 ± 0.6 |
-0.9 ± 0.9 |
| By GSE [nT] |
5.3 ± 0.8 |
10.8 ± 0.6 |
| Bz GSE [nT] |
1.7 ± 1.7 |
-2.5 ± 1.8 |
Plasma Beta
|
0.675 ± 0.727
|
0.557 ± 0.576
|
Sound Speed [km/s]
|
84.87 ± 2.80
|
104.81 ± 4.28
|
Alfven Speed [km/s]
|
80.38 ± 4.55
|
108.93 ± 5.20
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.569 ± 0.501 |
0.605 ± 0.482 |
0.557 ± 0.491 |
33.87 ± 32.13 |
133.22 ± 42.85 |
| VC |
-0.852 ± 0.076 |
-0.166 ± 0.087 |
0.497 ± 0.451 |
29.78 ± 8.71 |
191.05 ± 5.80 |
| MX1 |
-0.760 ± 0.269 |
0.451 ± 0.428 |
0.468 ± 0.430 |
27.90 ± 13.45 |
149.28 ± 31.98 |
| MX2 |
-0.880 ± 0.085 |
0.319 ± 0.217 |
0.353 ± 0.337 |
20.64 ± 5.41 |
160.06 ± 14.13 |
| MX3 |
-0.950 ± 0.043 |
0.206 ± 0.160 |
0.234 ± 0.229 |
13.52 ± 6.26 |
167.77 ± 9.62 |
| RH08 |
-0.981 ± 0.005 |
0.147 ± 0.022 |
-0.128 ± 0.128 |
-7.38 ± 1.97 |
171.48 ± 1.28 |
| RH09 |
-0.983 ± 0.013 |
0.165 ± 0.067 |
-0.084 ± 0.084 |
-4.81 ± 4.02 |
170.47 ± 3.90 |
| RH10 |
-0.983 ± 0.013 |
0.165 ± 0.068 |
-0.084 ± 0.084 |
-4.81 ± 4.02 |
170.47 ± 3.99 |
| Average |
-0.870 |
0.237 |
0.227 |
13.589 |
164.225 |
| Median |
-0.880 |
0.206 |
0.353 |
20.644 |
170.474 |
| Deviation |
0.145 |
0.230 |
0.287 |
17.090 |
17.173 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
34.8 ± 12.1 |
409.9 ± 28.1 |
1.95 ± 0.23 |
| VC |
80.7 ± 13.1 |
661.8 ± 37.3 |
1.95 ± 0.23 |
| MX1 |
46.4 ± 10.4 |
548.2 ± 29.4 |
1.95 ± 0.23 |
| MX2 |
56.0 ± 8.9 |
630.7 ± 28.3 |
1.95 ± 0.23 |
| MX3 |
64.2 ± 7.6 |
676.0 ± 26.2 |
1.95 ± 0.23 |
| RH08 |
73.6 ± 4.3 |
665.5 ± 16.3 |
1.95 ± 0.23 |
| RH09 |
71.8 ± 4.5 |
670.6 ± 17.3 |
1.95 ± 0.23 |
| RH10 |
71.8 ± 4.5 |
670.6 ± 17.3 |
1.95 ± 0.23 |
| Average |
62.4 |
616.7 |
1.95 |
| Median |
71.8 |
665.5 |
1.95 |
| Deviation |
15.6 |
93.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
146.0 ± 5.7 |
53.9 ± 1.9 |
66.0 ± 3.7 |
103.8 ± 3.4 |
2.71 ± 0.11 |
1.41 ± 0.05 |
| VC |
219.0 ± 13.2 |
9.4 ± 0.3 |
12.9 ± 0.7 |
116.6 ± 3.9 |
23.26 ± 1.41 |
1.88 ± 0.11 |
| MX1 |
178.4 ± 6.3 |
43.3 ± 1.5 |
55.5 ± 3.1 |
108.6 ± 3.6 |
4.12 ± 0.17 |
1.64 ± 0.06 |
| MX2 |
192.4 ± 6.1 |
34.0 ± 1.2 |
44.9 ± 2.5 |
111.9 ± 3.7 |
5.66 ± 0.23 |
1.72 ± 0.07 |
| MX3 |
195.5 ± 5.7 |
26.0 ± 0.9 |
35.0 ± 2.0 |
114.0 ± 3.8 |
7.52 ± 0.30 |
1.72 ± 0.07 |
| RH8 |
163.7 ± 2.7 |
16.7 ± 0.6 |
22.7 ± 1.3 |
115.7 ± 3.8 |
9.84 ± 0.43 |
1.42 ± 0.06 |
| RH9 |
168.9 ± 2.7 |
18.4 ± 0.6 |
25.1 ± 1.4 |
115.5 ± 3.8 |
9.18 ± 0.39 |
1.46 ± 0.06 |
| RH10 |
168.9 ± 2.7 |
18.4 ± 0.6 |
25.1 ± 1.4 |
115.5 ± 3.8 |
9.18 ± 0.39 |
1.46 ± 0.06 |
| Average |
179.1 |
27.5 |
35.9 |
112.7 |
8.9 |
1.6 |
| Median |
178.4 |
26.0 |
35.0 |
115.5 |
9.2 |
1.6 |
| Deviation |
22.6 |
15.1 |
18.1 |
4.4 |
6.3 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
76.1 ± 7.9 |
69.9 ± 2.7 |
89.4 ± 4.3 |
134.1 ± 5.2 |
1.09 ± 0.12 |
0.57 ± 0.07 |
| VC |
113.5 ± 9.1 |
12.2 ± 0.5 |
17.6 ± 0.8 |
150.7 ± 5.8 |
9.32 ± 0.87 |
0.75 ± 0.07 |
| MX1 |
93.7 ± 7.5 |
56.1 ± 2.1 |
75.2 ± 3.6 |
140.4 ± 5.4 |
1.67 ± 0.14 |
0.67 ± 0.06 |
| MX2 |
100.9 ± 6.9 |
44.1 ± 1.7 |
60.8 ± 2.9 |
144.6 ± 5.6 |
2.29 ± 0.16 |
0.70 ± 0.05 |
| MX3 |
102.2 ± 6.4 |
33.7 ± 1.3 |
47.4 ± 2.3 |
147.4 ± 5.7 |
3.03 ± 0.18 |
0.69 ± 0.04 |
| RH8 |
86.2 ± 6.3 |
21.6 ± 0.8 |
30.8 ± 1.5 |
149.6 ± 5.8 |
3.99 ± 0.19 |
0.58 ± 0.03 |
| RH9 |
89.1 ± 6.1 |
23.9 ± 0.9 |
34.0 ± 1.6 |
149.3 ± 5.8 |
3.73 ± 0.17 |
0.60 ± 0.03 |
| RH10 |
89.1 ± 6.1 |
23.9 ± 0.9 |
34.0 ± 1.6 |
149.3 ± 5.8 |
3.73 ± 0.17 |
0.60 ± 0.03 |
| Average |
93.9 |
35.7 |
48.7 |
145.7 |
3.6 |
0.6 |
| Median |
93.7 |
33.7 |
47.4 |
149.3 |
3.7 |
0.7 |
| Deviation |
11.5 |
19.6 |
24.6 |
5.8 |
2.5 |
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)
| 
