Database: Wind Shock Analysis
Event ID: 19981641918
Observation time: 06/13/1998 164.80429 1918 [UT]
|
|
General
Information (About, Top)
| Year |
1998 |
| Fractional day of year |
164.804288 |
| Arrival time of shock [seconds of day] |
69490.5 ± 3.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
145.347 |
| Y GSE location of spacecraft [Re] |
57.986 |
| Z GSE location of spacecraft [Re] |
16.004 |
| Upstream plasma points selected for analysis |
0006 |
| Upstream field points selected for analysis |
0222 |
| Downstream plasma points selected for analysis |
0004
|
| Downstream field points selected for analysis |
0225 |
| Minimum chisq/dof for RH8,RH9,RH10 |
10.63, 36.77, 40.35 |
Event added to database
|
Mon Feb 14 11:06:34 2005
|
Event last processed
|
Mon Mar 30 17:50:55 2009
|
Method selected
|
MX2
|
Propagation delay to Earth [minutes]
|
14.308 ± 2.320
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-316.0 ± 2.5 |
-364.7 ± 1.2 |
| Vy GSE [km/s] |
-4.4 ± 1.5 |
36.8 ± 2.5 |
| Vz GSE [km/s] |
-2.0 ± 1.2 |
-44.2 ± 4.0 |
| Wi [km/s] |
15.7 ± 1.5 |
33.9 ± 2.1 |
| We [km/s] |
496.5 ± 48.7 |
1071.7 ± 65.7 |
| Ni [n/cc] |
3.7 ± 0.4 |
12.9 ± 1.4 |
| Bx GSE [nT] |
-1.3 ± 0.2 |
1.1 ± 0.2 |
| By GSE [nT] |
4.2 ± 0.0 |
7.2 ± 0.2 |
| Bz GSE [nT] |
0.7 ± 0.1 |
5.8 ± 0.2 |
Plasma Beta
|
0.098 ± 0.083
|
0.360 ± 0.383
|
Sound Speed [km/s]
|
20.27 ± 1.99
|
43.75 ± 2.68
|
Alfven Speed [km/s]
|
51.21 ± 3.32
|
56.66 ± 3.01
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.522 ± 0.032 |
0.822 ± 0.022 |
-0.228 ± 0.224 |
-13.16 ± 2.62 |
122.39 ± 2.18 |
| VC |
-0.638 ± 0.028 |
0.539 ± 0.029 |
-0.550 ± 0.487 |
-33.40 ± 2.62 |
139.80 ± 2.12 |
| MX1 |
-0.523 ± 0.030 |
0.821 ± 0.021 |
-0.227 ± 0.223 |
-13.09 ± 2.47 |
122.51 ± 2.08 |
| MX2 |
-0.524 ± 0.032 |
0.821 ± 0.022 |
-0.226 ± 0.222 |
-13.07 ± 2.44 |
122.55 ± 2.19 |
| MX3 |
-0.525 ± 0.033 |
0.821 ± 0.023 |
-0.226 ± 0.222 |
-13.05 ± 2.44 |
122.59 ± 2.30 |
| RH08 |
-0.823 ± 0.008 |
-0.229 ± 0.023 |
0.520 ± 0.467 |
31.30 ± 0.63 |
195.54 ± 1.59 |
| RH09 |
-0.769 ± 0.042 |
0.637 ± 0.050 |
-0.050 ± 0.050 |
-2.88 ± 3.01 |
140.39 ± 3.74 |
| RH10 |
-0.781 ± 0.041 |
0.624 ± 0.052 |
-0.039 ± 0.039 |
-2.24 ± 3.16 |
141.39 ± 3.80 |
| Average |
-0.638 |
0.607 |
-0.128 |
-7.449 |
138.396 |
| Median |
-0.525 |
0.821 |
-0.226 |
-13.046 |
139.803 |
| Deviation |
0.133 |
0.356 |
0.305 |
18.324 |
24.757 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
27.2 ± 2.4 |
256.9 ± 8.0 |
3.55 ± 0.57 |
| VC |
52.9 ± 2.5 |
308.4 ± 8.5 |
3.55 ± 0.57 |
| MX1 |
27.2 ± 2.4 |
257.5 ± 8.0 |
3.55 ± 0.57 |
| MX2 |
27.2 ± 2.5 |
257.7 ± 8.0 |
3.55 ± 0.57 |
| MX3 |
27.2 ± 2.5 |
257.8 ± 8.0 |
3.55 ± 0.57 |
| RH08 |
83.9 ± 1.4 |
273.4 ± 3.7 |
3.55 ± 0.57 |
| RH09 |
35.4 ± 2.6 |
331.7 ± 7.2 |
3.55 ± 0.57 |
| RH10 |
36.1 ± 2.6 |
334.8 ± 7.2 |
3.55 ± 0.57 |
| Average |
39.6 |
284.8 |
3.55 |
| Median |
35.4 |
273.4 |
3.55 |
| Deviation |
19.9 |
34.6 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
95.2 ± 2.2 |
17.7 ± 1.6 |
45.6 ± 3.0 |
52.2 ± 3.0 |
5.43 ± 0.58 |
1.83 ± 0.08 |
| VC |
108.1 ± 2.4 |
11.6 ± 0.9 |
30.9 ± 2.0 |
53.9 ± 2.6 |
9.38 ± 0.88 |
2.01 ± 0.08 |
| MX1 |
95.2 ± 2.2 |
17.7 ± 1.6 |
45.5 ± 3.0 |
52.2 ± 3.0 |
5.43 ± 0.58 |
1.83 ± 0.08 |
| MX2 |
95.2 ± 2.2 |
17.7 ± 1.6 |
45.5 ± 3.0 |
52.2 ± 3.0 |
5.43 ± 0.58 |
1.83 ± 0.08 |
| MX3 |
95.2 ± 2.2 |
17.7 ± 1.6 |
45.5 ± 3.0 |
52.2 ± 3.0 |
5.43 ± 0.58 |
1.83 ± 0.08 |
| RH8 |
13.4 ± 1.8 |
2.0 ± 0.1 |
5.5 ± 0.4 |
55.1 ± 2.4 |
6.69 ± 1.18 |
0.24 ± 0.03 |
| RH9 |
91.3 ± 2.4 |
16.0 ± 1.4 |
41.8 ± 2.7 |
52.7 ± 2.9 |
5.74 ± 0.60 |
1.73 ± 0.07 |
| RH10 |
90.7 ± 2.4 |
15.9 ± 1.4 |
41.4 ± 2.7 |
52.8 ± 2.9 |
5.76 ± 0.60 |
1.72 ± 0.07 |
| Average |
85.5 |
14.5 |
37.7 |
52.9 |
6.2 |
1.6 |
| Median |
95.2 |
17.7 |
45.5 |
52.7 |
5.7 |
1.8 |
| Deviation |
29.7 |
5.5 |
13.9 |
1.1 |
1.4 |
0.6 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
26.3 ± 2.3 |
35.4 ± 1.9 |
50.4 ± 2.7 |
62.2 ± 2.9 |
0.75 ± 0.09 |
0.42 ± 0.05 |
| VC |
31.6 ± 2.3 |
21.9 ± 1.1 |
34.2 ± 1.8 |
68.2 ± 3.2 |
1.44 ± 0.13 |
0.46 ± 0.05 |
| MX1 |
26.3 ± 2.3 |
35.4 ± 1.9 |
50.4 ± 2.7 |
62.2 ± 2.9 |
0.75 ± 0.09 |
0.42 ± 0.05 |
| MX2 |
26.3 ± 2.3 |
35.4 ± 1.9 |
50.4 ± 2.7 |
62.2 ± 2.9 |
0.75 ± 0.09 |
0.42 ± 0.05 |
| MX3 |
26.3 ± 2.3 |
35.4 ± 1.9 |
50.4 ± 2.7 |
62.2 ± 2.9 |
0.75 ± 0.09 |
0.42 ± 0.05 |
| RH8 |
4.5 ± 3.0 |
3.7 ± 0.2 |
6.1 ± 0.3 |
71.5 ± 3.3 |
1.25 ± 0.87 |
0.06 ± 0.04 |
| RH9 |
25.4 ± 1.9 |
31.4 ± 1.6 |
46.2 ± 2.5 |
64.4 ± 3.0 |
0.81 ± 0.10 |
0.40 ± 0.05 |
| RH10 |
25.3 ± 1.9 |
31.0 ± 1.6 |
45.8 ± 2.4 |
64.5 ± 3.0 |
0.82 ± 0.10 |
0.39 ± 0.05 |
| Average |
24.0 |
28.7 |
41.7 |
64.7 |
0.9 |
0.4 |
| Median |
26.3 |
35.4 |
50.4 |
64.4 |
0.8 |
0.4 |
| Deviation |
8.1 |
11.1 |
15.4 |
3.4 |
0.3 |
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)
| 
