Global neutral polar wind model

2005 ◽  
Vol 110 (A10) ◽  
Author(s):  
Larry C. Gardner
Keyword(s):  
Polar Wind ◽  
Wind Model

scholarly journals On the puzzling line spectrum of the B[e]-supergiant R 4 of the SMC

1987 ◽  
Vol 122 ◽  
pp. 439-440
Author(s):  
F.-J. Zickgraf ◽  
B. Wolf
Keyword(s):  
General Scheme ◽  
Exceptional Case ◽  
Magellanic Clouds ◽  
Absorption Lines ◽  
Line Spectrum ◽  
Wind Component ◽  
Early Type ◽  
Polar Wind ◽  
Wind Model ◽  
Two Component

The early-type supergiants of the Magellanic Clouds (MC's) include a class of objects, the B[e] -supergiants, which are described in detail in Zickgraf et al. (1985, 1986) who suggested a two-component wind model consisting of a cool, dense and slowly expanding disk-like equatorial wind component and a hot line-driven fast polar wind. This model could explain many properties of most of the B[e] -supergiants as e. g. the occurrence of “shell” absorption lines. R 4 of the SMC, however, although well fitting to the general scheme of B[e) -supergiants exhibits several pecularities of its line spectrum, which make this particular star an exceptional case among the B[e] -supergiants of the MC's.

Coupling the Generalized Polar Wind Model to Global Magnetohydrodynamics

2016 ◽  
pp. 179-194 ◽  
Author(s):  
Daniel T. Welling ◽  
Abdallah R. Barakat ◽  
J. Vincent Eccles ◽  
R. W. Schunk ◽  
Charles R. Chappell
Keyword(s):  
Polar Wind ◽  
Wind Model

Horizontal wind model (HWM) (1990)

1992 ◽  
Vol 40 (4) ◽  
pp. 556-557 ◽  
Author(s):  
A.E. Hedin
Keyword(s):  
Horizontal Wind ◽  
Wind Model

scholarly journals The Kinematics of Quasar Broad Emission Line Regions Using a Disk-Wind Model

2017 ◽  
Vol 34 ◽  
Author(s):  
Suk Yee Yong ◽  
Rachel L. Webster ◽  
Anthea L. King ◽  
Nicholas F. Bate ◽  
Matthew J. O’Dowd ◽  
...  
Keyword(s):  
Emission Line ◽  
Line Profile ◽  
Inclination Angle ◽  
Opening Angle ◽  
Line Profiles ◽  
Wind Model ◽  
Disk Wind ◽  
Reverberation Mapping ◽  
Broad Emission ◽  
Line Region

AbstractThe structure and kinematics of the broad line region in quasars are still unknown. One popular model is the disk-wind model that offers a geometric unification of a quasar based on the viewing angle. We construct a simple kinematical disk-wind model with a narrow outflowing wind angle. The model is combined with radiative transfer in the Sobolev, or high velocity, limit. We examine how angle of viewing affects the observed characteristics of the emission line. The line profiles were found to exhibit distinct properties depending on the orientation, wind opening angle, and region of the wind where the emission arises.At low inclination angle (close to face-on), we find that the shape of the emission line is asymmetric, narrow, and significantly blueshifted. As the inclination angle increases (close to edge-on), the line profile becomes more symmetric, broader, and less blueshifted. Additionally, lines that arise close to the base of the disk wind, near the accretion disk, tend to be broad and symmetric. Single-peaked line profiles are recovered for the intermediate and equatorial wind. The model is also able to reproduce a faster response in either the red or blue sides of the line profile, consistent with reverberation mapping studies.

scholarly journals The Contribution of N+ ions to Earth's Polar Wind

2020 ◽  
Author(s):  
Mei-Yun Lin ◽  
Raluca Ilie ◽  
Alex Glocer
Keyword(s):  
Polar Wind

scholarly journals On the wind model of novae

1983 ◽  
Vol 202 (4) ◽  
pp. 1149-1157 ◽  
Author(s):  
Sun Kwok
Keyword(s):  
Wind Model
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