Database: Wind Shock Analysis
Event ID: 19952572124
Observation time: 09/14/1995 257.89231 2124 [UT]
|
|
General
Information (About, Top)
| Year |
1995 |
| Fractional day of year |
257.892309 |
| Arrival time of shock [seconds of day] |
77095.5 ± 27.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
28.332 |
| Y GSE location of spacecraft [Re] |
33.779 |
| Z GSE location of spacecraft [Re] |
-3.859 |
| Upstream plasma points selected for analysis |
0010 |
| Upstream field points selected for analysis |
0307 |
| Downstream plasma points selected for analysis |
0008
|
| Downstream field points selected for analysis |
0234 |
| Minimum chisq/dof for RH8,RH9,RH10 |
13.48, 16.15, 17.43 |
Event added to database
|
Mon Feb 14 11:01:22 2005
|
Event last processed
|
Wed Mar 25 13:06:57 2009
|
Method selected
|
RH08
|
Propagation delay to Earth [minutes]
|
1.276 ± 0.456
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-414.8 ± 1.5 |
-431.3 ± 3.6 |
| Vy GSE [km/s] |
-26.1 ± 4.1 |
-4.9 ± 4.3 |
| Vz GSE [km/s] |
26.1 ± 2.8 |
37.8 ± 2.8 |
| Wi [km/s] |
25.7 ± 1.3 |
32.5 ± 1.1 |
| We [km/s] |
811.2 ± 41.5 |
1026.9 ± 34.4 |
| Ni [n/cc] |
3.0 ± 0.2 |
4.7 ± 0.4 |
| Bx GSE [nT] |
0.2 ± 0.3 |
-1.7 ± 0.5 |
| By GSE [nT] |
2.1 ± 0.2 |
2.2 ± 0.8 |
| Bz GSE [nT] |
-2.0 ± 0.4 |
-4.2 ± 0.3 |
Plasma Beta
|
0.484 ± 0.491
|
0.411 ± 0.386
|
Sound Speed [km/s]
|
33.12 ± 1.69
|
41.92 ± 1.40
|
Alfven Speed [km/s]
|
37.55 ± 3.15
|
51.13 ± 3.59
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.499 ± 0.363 |
-0.777 ± 0.246 |
0.384 ± 0.364 |
22.59 ± 15.25 |
237.31 ± 26.47 |
| VC |
-0.575 ± 0.151 |
0.718 ± 0.125 |
0.391 ± 0.370 |
23.03 ± 7.35 |
128.68 ± 11.78 |
| MX1 |
-0.661 ± 0.344 |
0.635 ± 0.356 |
0.399 ± 0.376 |
23.49 ± 21.08 |
136.15 ± 29.54 |
| MX2 |
-0.611 ± 0.207 |
0.658 ± 0.196 |
0.440 ± 0.409 |
26.08 ± 12.98 |
132.85 ± 17.01 |
| MX3 |
-0.589 ± 0.181 |
0.667 ± 0.165 |
0.457 ± 0.422 |
27.19 ± 10.91 |
131.44 ± 14.72 |
| RH08 |
-0.600 ± 0.013 |
0.462 ± 0.016 |
0.654 ± 0.539 |
40.82 ± 0.57 |
142.40 ± 1.45 |
| RH09 |
-0.607 ± 0.055 |
0.418 ± 0.063 |
0.676 ± 0.547 |
42.53 ± 3.99 |
145.40 ± 5.41 |
| RH10 |
-0.628 ± 0.054 |
0.386 ± 0.064 |
0.676 ± 0.547 |
42.53 ± 3.99 |
148.41 ± 5.41 |
| Average |
-0.596 |
0.396 |
0.510 |
31.033 |
150.331 |
| Median |
-0.600 |
0.635 |
0.457 |
27.189 |
142.396 |
| Deviation |
0.047 |
0.491 |
0.134 |
9.193 |
35.833 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
32.5 ± 5.2 |
227.0 ± 13.3 |
1.59 ± 0.13 |
| VC |
77.6 ± 8.9 |
309.2 ± 20.7 |
1.59 ± 0.13 |
| MX1 |
81.6 ± 8.8 |
346.6 ± 20.4 |
1.59 ± 0.13 |
| MX2 |
82.1 ± 8.9 |
327.0 ± 20.3 |
1.59 ± 0.13 |
| MX3 |
82.4 ± 8.9 |
317.7 ± 20.2 |
1.59 ± 0.13 |
| RH08 |
81.3 ± 8.9 |
328.4 ± 17.8 |
1.59 ± 0.13 |
| RH09 |
78.6 ± 8.8 |
331.8 ± 17.3 |
1.59 ± 0.13 |
| RH10 |
77.1 ± 8.8 |
340.3 ± 17.1 |
1.59 ± 0.13 |
| Average |
74.2 |
316.0 |
1.59 |
| Median |
81.3 |
328.4 |
1.59 |
| Deviation |
17.0 |
37.8 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-10.1 ± 3.4 |
23.6 ± 0.4 |
31.7 ± 2.7 |
44.2 ± 1.4 |
-0.43 ± 0.15 |
-0.23 ± 0.08 |
| VC |
79.2 ± 3.4 |
5.3 ± 0.1 |
8.1 ± 0.7 |
49.9 ± 1.4 |
14.84 ± 0.86 |
1.59 ± 0.11 |
| MX1 |
78.4 ± 3.2 |
3.6 ± 0.1 |
5.5 ± 0.5 |
50.0 ± 1.4 |
21.82 ± 1.22 |
1.57 ± 0.10 |
| MX2 |
79.3 ± 3.3 |
3.4 ± 0.1 |
5.1 ± 0.4 |
50.0 ± 1.4 |
23.46 ± 1.31 |
1.59 ± 0.10 |
| MX3 |
79.0 ± 3.3 |
3.3 ± 0.1 |
5.0 ± 0.4 |
50.1 ± 1.4 |
24.21 ± 1.36 |
1.58 ± 0.10 |
| RH8 |
74.8 ± 2.9 |
3.7 ± 0.1 |
5.7 ± 0.5 |
50.0 ± 1.4 |
20.00 ± 1.04 |
1.50 ± 0.09 |
| RH9 |
73.5 ± 2.8 |
4.9 ± 0.1 |
7.4 ± 0.6 |
49.9 ± 1.4 |
14.97 ± 0.77 |
1.47 ± 0.08 |
| RH10 |
72.3 ± 2.7 |
5.5 ± 0.1 |
8.4 ± 0.7 |
49.9 ± 1.4 |
13.10 ± 0.67 |
1.45 ± 0.08 |
| Average |
65.8 |
6.7 |
9.6 |
49.3 |
16.5 |
1.3 |
| Median |
78.4 |
4.9 |
7.4 |
50.0 |
20.0 |
1.6 |
| Deviation |
30.8 |
6.9 |
9.0 |
2.0 |
8.0 |
0.6 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
-6.4 ± 4.2 |
30.8 ± 0.9 |
43.1 ± 3.0 |
58.5 ± 2.4 |
-0.20 ± 0.13 |
-0.11 ± 0.07 |
| VC |
49.8 ± 2.5 |
7.0 ± 0.2 |
11.0 ± 0.8 |
65.8 ± 2.5 |
7.13 ± 0.41 |
0.76 ± 0.04 |
| MX1 |
49.3 ± 2.1 |
4.7 ± 0.1 |
7.4 ± 0.5 |
66.0 ± 2.5 |
10.48 ± 0.58 |
0.75 ± 0.04 |
| MX2 |
50.1 ± 2.3 |
4.4 ± 0.1 |
7.0 ± 0.5 |
66.0 ± 2.5 |
11.31 ± 0.65 |
0.76 ± 0.04 |
| MX3 |
49.8 ± 2.4 |
4.3 ± 0.1 |
6.7 ± 0.5 |
66.0 ± 2.5 |
11.65 ± 0.68 |
0.75 ± 0.04 |
| RH8 |
47.4 ± 2.2 |
4.9 ± 0.2 |
7.7 ± 0.5 |
66.0 ± 2.5 |
9.68 ± 0.60 |
0.72 ± 0.05 |
| RH9 |
46.6 ± 2.1 |
6.4 ± 0.2 |
10.1 ± 0.7 |
65.9 ± 2.5 |
7.26 ± 0.45 |
0.71 ± 0.05 |
| RH10 |
45.8 ± 2.0 |
7.2 ± 0.2 |
11.4 ± 0.8 |
65.8 ± 2.5 |
6.34 ± 0.39 |
0.70 ± 0.05 |
| Average |
41.6 |
8.7 |
13.1 |
65.0 |
8.0 |
0.6 |
| Median |
49.3 |
6.4 |
10.1 |
66.0 |
9.7 |
0.7 |
| Deviation |
19.4 |
9.0 |
12.3 |
2.6 |
3.9 |
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)
| 
