Database: Wind Shock Analysis
Event ID: 19981531028
Observation time: 06/02/1998 153.43675 1028 [UT]
|
|
General
Information (About, Top)
| Year |
1998 |
| Fractional day of year |
153.436753 |
| Arrival time of shock [seconds of day] |
37735.5 ± 3.0 |
| Shock type |
SR |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
180.762 |
| Y GSE location of spacecraft [Re] |
44.884 |
| Z GSE location of spacecraft [Re] |
21.400 |
| Upstream plasma points selected for analysis |
0009 |
| Upstream field points selected for analysis |
0258 |
| Downstream plasma points selected for analysis |
0010
|
| Downstream field points selected for analysis |
0306 |
| Minimum chisq/dof for RH8,RH9,RH10 |
1.78, 16.10, 16.36 |
Event added to database
|
Mon Feb 14 11:06:31 2005
|
Event last processed
|
Mon Mar 30 17:49:19 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
47.574 ± 5.366
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-405.7 ± 1.1 |
-417.6 ± 2.9 |
| Vy GSE [km/s] |
-28.4 ± 2.8 |
-10.9 ± 6.1 |
| Vz GSE [km/s] |
-29.6 ± 2.9 |
-9.9 ± 3.8 |
| Wi [km/s] |
29.9 ± 0.5 |
21.4 ± 0.7 |
| We [km/s] |
944.4 ± 16.7 |
676.2 ± 22.4 |
| Ni [n/cc] |
12.9 ± 0.7 |
5.4 ± 0.4 |
| Bx GSE [nT] |
0.9 ± 0.3 |
4.5 ± 0.2 |
| By GSE [nT] |
5.5 ± 0.3 |
5.1 ± 0.9 |
| Bz GSE [nT] |
0.2 ± 1.0 |
-6.6 ± 0.4 |
Plasma Beta
|
0.767 ± 0.761
|
0.057 ± 0.059
|
Sound Speed [km/s]
|
38.55 ± 0.68
|
27.61 ± 0.92
|
Alfven Speed [km/s]
|
34.24 ± 1.96
|
89.96 ± 5.77
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.194 ± 0.301 |
-0.981 ± 0.060 |
-0.027 ± 0.027 |
-1.55 ± 6.48 |
258.81 ± 17.61 |
| VC |
-0.430 ± 0.130 |
0.592 ± 0.116 |
0.682 ± 0.549 |
42.97 ± 8.29 |
125.99 ± 11.22 |
| MX1 |
-0.170 ± 0.108 |
-0.985 ± 0.019 |
-0.037 ± 0.037 |
-2.09 ± 6.27 |
260.21 ± 6.26 |
| MX2 |
-0.201 ± 0.601 |
-0.980 ± 0.123 |
0.012 ± 0.012 |
0.71 ± 7.70 |
258.43 ± 35.14 |
| MX3 |
-0.899 ± 0.604 |
-0.429 ± 1.264 |
-0.091 ± 0.091 |
-5.21 ± 9.82 |
205.52 ± 80.61 |
| RH08 |
-0.880 ± 0.002 |
0.101 ± 0.015 |
-0.464 ± 0.427 |
-27.63 ± 0.00 |
173.48 ± 1.00 |
| RH09 |
-0.890 ± 0.032 |
0.055 ± 0.069 |
-0.453 ± 0.419 |
-26.91 ± 4.06 |
176.49 ± 4.43 |
| RH10 |
-0.889 ± 0.032 |
0.070 ± 0.069 |
-0.453 ± 0.419 |
-26.91 ± 4.06 |
175.49 ± 4.43 |
| Average |
-0.569 |
-0.320 |
-0.104 |
-5.827 |
204.303 |
| Median |
-0.430 |
0.055 |
-0.037 |
-2.093 |
205.520 |
| Deviation |
0.352 |
0.613 |
0.381 |
23.362 |
50.307 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
8.6 ± 6.0 |
118.3 ± 5.8 |
0.42 ± 0.02 |
| VC |
57.9 ± 9.3 |
116.7 ± 5.7 |
0.42 ± 0.02 |
| MX1 |
8.7 ± 5.7 |
109.3 ± 5.8 |
0.42 ± 0.02 |
| MX2 |
8.4 ± 7.0 |
119.2 ± 5.9 |
0.42 ± 0.02 |
| MX3 |
55.5 ± 3.2 |
378.9 ± 3.6 |
0.42 ± 0.02 |
| RH08 |
86.5 ± 3.7 |
365.8 ± 3.0 |
0.42 ± 0.02 |
| RH09 |
83.9 ± 3.6 |
371.1 ± 2.9 |
0.42 ± 0.02 |
| RH10 |
84.8 ± 3.6 |
369.9 ± 2.9 |
0.42 ± 0.02 |
| Average |
49.3 |
243.7 |
0.42 |
| Median |
57.9 |
365.8 |
0.42 |
| Deviation |
35.7 |
136.7 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
11.0 ± 2.8 |
32.7 ± 1.4 |
33.9 ± 1.9 |
39.9 ± 0.8 |
0.33 ± 0.08 |
0.27 ± 0.07 |
| VC |
-20.7 ± 1.5 |
14.1 ± 0.5 |
18.2 ± 1.0 |
49.6 ± 1.4 |
-1.47 ± 0.13 |
-0.42 ± 0.04 |
| MX1 |
11.4 ± 2.8 |
32.7 ± 1.4 |
33.9 ± 1.9 |
39.9 ± 0.8 |
0.35 ± 0.08 |
0.28 ± 0.07 |
| MX2 |
10.4 ± 2.9 |
32.8 ± 1.4 |
33.9 ± 1.9 |
39.8 ± 0.8 |
0.32 ± 0.08 |
0.26 ± 0.07 |
| MX3 |
-0.5 ± 1.6 |
15.2 ± 0.5 |
19.4 ± 1.1 |
49.3 ± 1.3 |
-0.04 ± 0.11 |
-0.01 ± 0.03 |
| RH8 |
-2.2 ± 1.2 |
1.5 ± 0.0 |
2.1 ± 0.1 |
51.6 ± 1.4 |
-1.41 ± 0.77 |
-0.04 ± 0.02 |
| RH9 |
-1.9 ± 1.1 |
2.7 ± 0.1 |
3.6 ± 0.2 |
51.5 ± 1.4 |
-0.71 ± 0.40 |
-0.04 ± 0.02 |
| RH10 |
-2.2 ± 1.1 |
2.3 ± 0.1 |
3.1 ± 0.2 |
51.5 ± 1.4 |
-0.92 ± 0.47 |
-0.04 ± 0.02 |
| Average |
0.6 |
16.8 |
18.5 |
46.6 |
-0.4 |
0.0 |
| Median |
-0.5 |
15.2 |
19.4 |
49.6 |
-0.0 |
-0.0 |
| Deviation |
10.7 |
14.2 |
14.3 |
5.7 |
0.8 |
0.2 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
26.4 ± 5.9 |
27.3 ± 0.9 |
88.9 ± 5.7 |
90.1 ± 5.8 |
0.97 ± 0.21 |
0.29 ± 0.07 |
| VC |
-49.7 ± 6.2 |
14.2 ± 0.4 |
47.7 ± 3.1 |
93.0 ± 5.5 |
-3.51 ± 0.42 |
-0.54 ± 0.07 |
| MX1 |
27.3 ± 6.0 |
27.3 ± 0.9 |
88.9 ± 5.7 |
90.1 ± 5.8 |
1.00 ± 0.21 |
0.30 ± 0.07 |
| MX2 |
24.9 ± 5.7 |
27.3 ± 0.9 |
89.0 ± 5.7 |
90.1 ± 5.8 |
0.91 ± 0.20 |
0.28 ± 0.07 |
| MX3 |
-1.9 ± 3.1 |
15.2 ± 0.4 |
51.0 ± 3.3 |
92.9 ± 5.5 |
-0.13 ± 0.21 |
-0.02 ± 0.03 |
| RH8 |
-5.3 ± 3.4 |
1.6 ± 0.0 |
5.4 ± 0.3 |
94.1 ± 5.4 |
-3.31 ± 2.14 |
-0.06 ± 0.04 |
| RH9 |
-4.5 ± 3.3 |
2.8 ± 0.1 |
9.6 ± 0.6 |
94.1 ± 5.4 |
-1.62 ± 1.21 |
-0.05 ± 0.04 |
| RH10 |
-5.0 ± 3.4 |
2.4 ± 0.1 |
8.2 ± 0.5 |
94.1 ± 5.4 |
-2.09 ± 1.41 |
-0.05 ± 0.04 |
| Average |
1.5 |
14.7 |
48.6 |
92.3 |
-1.0 |
0.0 |
| Median |
-1.9 |
15.2 |
51.0 |
93.0 |
-0.1 |
-0.0 |
| Deviation |
25.6 |
11.6 |
37.6 |
1.9 |
1.9 |
0.3 |
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)
| 
