Database: Wind Shock Analysis
Event ID: 19950180752
Observation time: 01/18/1995 18.32780 0752 [UT]
|
|
General
Information (About, Top)
| Year |
1995 |
| Fractional day of year |
18.327795 |
| Arrival time of shock [seconds of day] |
28321.5 ± 3.0 |
| Shock type |
SF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
158.679 |
| Y GSE location of spacecraft [Re] |
-74.680 |
| Z GSE location of spacecraft [Re] |
-11.360 |
| Upstream plasma points selected for analysis |
0011 |
| Upstream field points selected for analysis |
0312 |
| Downstream plasma points selected for analysis |
0009
|
| Downstream field points selected for analysis |
0283 |
| Minimum chisq/dof for RH8,RH9,RH10 |
2.39, 4.27, 4.49 |
Event added to database
|
Mon Feb 14 10:59:57 2005
|
Event last processed
|
Wed Mar 25 12:43:21 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
28.911 ± 3.305
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-390.7 ± 4.2 |
-413.2 ± 3.7 |
| Vy GSE [km/s] |
42.5 ± 2.8 |
53.4 ± 4.1 |
| Vz GSE [km/s] |
14.8 ± 4.7 |
-8.5 ± 4.9 |
| Wi [km/s] |
44.4 ± 3.4 |
48.7 ± 1.0 |
| We [km/s] |
1404.9 ± 108.5 |
1539.5 ± 32.6 |
| Ni [n/cc] |
10.4 ± 1.2 |
15.0 ± 1.1 |
| Bx GSE [nT] |
9.2 ± 0.4 |
3.1 ± 0.8 |
| By GSE [nT] |
-12.0 ± 0.8 |
-9.5 ± 0.6 |
| Bz GSE [nT] |
3.2 ± 2.1 |
-3.7 ± 1.2 |
Plasma Beta
|
0.179 ± 0.165
|
0.645 ± 0.653
|
Sound Speed [km/s]
|
57.36 ± 4.43
|
62.85 ± 1.33
|
Alfven Speed [km/s]
|
106.28 ± 6.44
|
60.82 ± 2.98
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.278 ± 0.489 |
0.855 ± 0.186 |
0.437 ± 0.407 |
25.91 ± 13.46 |
108.01 ± 32.70 |
| VC |
-0.671 ± 0.097 |
0.308 ± 0.116 |
-0.674 ± 0.546 |
-42.39 ± 7.75 |
155.39 ± 9.34 |
| MX1 |
-0.246 ± 0.490 |
0.864 ± 0.174 |
0.439 ± 0.408 |
26.01 ± 14.07 |
105.89 ± 32.42 |
| MX2 |
-0.227 ± 0.359 |
0.858 ± 0.129 |
0.460 ± 0.425 |
27.41 ± 11.28 |
104.85 ± 23.90 |
| MX3 |
-0.670 ± 0.417 |
0.512 ± 0.529 |
0.538 ± 0.479 |
32.55 ± 16.95 |
142.63 ± 44.51 |
| RH08 |
-0.725 ± 0.011 |
-0.538 ± 0.014 |
0.430 ± 0.401 |
25.48 ± 0.63 |
216.60 ± 1.05 |
| RH09 |
-0.725 ± 0.045 |
-0.538 ± 0.057 |
0.430 ± 0.401 |
25.48 ± 3.17 |
216.60 ± 4.35 |
| RH10 |
-0.730 ± 0.045 |
-0.522 ± 0.058 |
0.441 ± 0.410 |
26.19 ± 3.26 |
215.60 ± 4.40 |
| Average |
-0.534 |
0.225 |
0.313 |
18.330 |
158.197 |
| Median |
-0.670 |
0.512 |
0.439 |
26.014 |
155.391 |
| Deviation |
0.236 |
0.657 |
0.400 |
24.648 |
51.364 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
42.5 ± 8.1 |
168.6 ± 26.0 |
1.44 ± 0.18 |
| VC |
39.0 ± 7.5 |
372.3 ± 156.3 |
1.44 ± 0.18 |
| MX1 |
43.6 ± 8.0 |
154.1 ± 28.0 |
1.44 ± 0.18 |
| MX2 |
45.2 ± 8.0 |
144.0 ± 31.9 |
1.44 ± 0.18 |
| MX3 |
47.1 ± 7.4 |
317.2 ± 17.9 |
1.44 ± 0.18 |
| RH08 |
85.5 ± 2.2 |
266.9 ± 18.9 |
1.44 ± 0.18 |
| RH09 |
85.5 ± 2.2 |
266.9 ± 18.9 |
1.44 ± 0.18 |
| RH10 |
86.2 ± 2.3 |
269.7 ± 19.5 |
1.44 ± 0.18 |
| Average |
59.3 |
245.0 |
1.44 |
| Median |
47.1 |
266.9 |
1.44 |
| Deviation |
22.0 |
82.2 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
17.0 ± 3.8 |
39.2 ± 2.4 |
78.4 ± 4.7 |
114.3 ± 5.4 |
0.44 ± 0.11 |
0.15 ± 0.03 |
| VC |
106.9 ± 5.2 |
41.7 ± 2.6 |
82.6 ± 5.0 |
113.4 ± 5.4 |
2.57 ± 0.22 |
0.94 ± 0.06 |
| MX1 |
14.8 ± 3.8 |
38.5 ± 2.3 |
77.0 ± 4.7 |
114.6 ± 5.4 |
0.39 ± 0.11 |
0.13 ± 0.03 |
| MX2 |
11.8 ± 3.8 |
37.3 ± 2.2 |
74.9 ± 4.5 |
115.0 ± 5.4 |
0.32 ± 0.11 |
0.10 ± 0.03 |
| MX3 |
25.7 ± 4.0 |
35.9 ± 2.1 |
72.3 ± 4.4 |
115.4 ± 5.3 |
0.72 ± 0.13 |
0.22 ± 0.03 |
| RH8 |
0.3 ± 1.9 |
3.9 ± 0.2 |
8.3 ± 0.5 |
120.8 ± 5.3 |
0.08 ± 0.46 |
0.00 ± 0.02 |
| RH9 |
0.3 ± 1.9 |
3.9 ± 0.2 |
8.3 ± 0.5 |
120.8 ± 5.3 |
0.08 ± 0.46 |
0.00 ± 0.02 |
| RH10 |
0.4 ± 1.9 |
3.3 ± 0.2 |
7.0 ± 0.4 |
120.9 ± 5.3 |
0.12 ± 0.57 |
0.00 ± 0.02 |
| Average |
22.1 |
25.5 |
51.1 |
116.9 |
0.6 |
0.2 |
| Median |
14.8 |
37.3 |
74.9 |
115.4 |
0.4 |
0.1 |
| Deviation |
35.5 |
18.1 |
35.9 |
3.3 |
0.8 |
0.3 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
11.7 ± 2.7 |
35.2 ± 1.0 |
44.8 ± 2.2 |
80.1 ± 2.0 |
0.33 ± 0.07 |
0.15 ± 0.03 |
| VC |
72.7 ± 6.6 |
37.6 ± 1.0 |
47.3 ± 2.3 |
79.0 ± 1.9 |
1.93 ± 0.15 |
0.92 ± 0.07 |
| MX1 |
10.0 ± 2.7 |
34.4 ± 1.0 |
44.1 ± 2.2 |
80.4 ± 2.0 |
0.29 ± 0.07 |
0.12 ± 0.03 |
| MX2 |
8.1 ± 2.6 |
33.2 ± 0.9 |
42.8 ± 2.1 |
80.9 ± 2.0 |
0.24 ± 0.07 |
0.10 ± 0.03 |
| MX3 |
17.6 ± 2.2 |
31.9 ± 0.9 |
41.4 ± 2.0 |
81.5 ± 2.0 |
0.55 ± 0.06 |
0.22 ± 0.02 |
| RH8 |
-0.2 ± 2.2 |
3.4 ± 0.1 |
4.8 ± 0.2 |
87.4 ± 2.2 |
-0.06 ± 0.63 |
-0.00 ± 0.02 |
| RH9 |
-0.2 ± 2.2 |
3.4 ± 0.1 |
4.8 ± 0.2 |
87.4 ± 2.2 |
-0.06 ± 0.63 |
-0.00 ± 0.02 |
| RH10 |
-0.2 ± 2.2 |
2.9 ± 0.1 |
4.0 ± 0.2 |
87.4 ± 2.2 |
-0.05 ± 0.75 |
-0.00 ± 0.02 |
| Average |
14.9 |
22.8 |
29.2 |
83.0 |
0.4 |
0.2 |
| Median |
10.0 |
33.2 |
42.8 |
81.5 |
0.3 |
0.1 |
| Deviation |
24.3 |
16.2 |
20.6 |
3.7 |
0.7 |
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)
| 
