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Related papers: Radiation-Driven Wind Hydrodynamics of Massive Sta…

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Accurate mass-loss rates and terminal velocities from massive stars winds are essential to obtain synthetic spectra from radiative transfer calculations and to determine the evolutionary path of massive stars. From a theoretical point of…

Solar and Stellar Astrophysics · Physics 2021-04-21 I. Araya , A. Christen , M. Curé , L. S. Cidale , R. O. J. Venero , C. Arcos , A. C. Gormaz-Matamala , M. Haucke , P. Escárate , H. Clavería

The standard, or fast, solutions of m-CAK line-driven wind theory cannot account for slowly outflowing disks like the ones that surround Be stars. It has been previously shown that there exists another family of solutions --- the…

Solar and Stellar Astrophysics · Physics 2015-06-23 J. Silaj , M. Cure , C. E. Jones

The theory of radiation-driven winds succeeded in describing terminal velocities and mass loss rates of massive stars. However, for A-type supergiants the standard m-CAK solution predicts values of mass loss and terminal velocity higher…

Solar and Stellar Astrophysics · Physics 2015-05-28 M. Cure , L. Cidale , A. Granada

Radiation-driven winds of massive stars can be described within the modified CAK theory, which parametrises the radiation force through three key quantities: $\alpha$, $\delta$, and $k$. Different combinations of these parameters, together…

Solar and Stellar Astrophysics · Physics 2026-04-20 M. C. Fernandez , R. O. J. Venero , L. S. Cidale , I. Araya , M. Curé

Massive stars present strong stellar that which are described by the radiation driven wind theory. Accurate mass-loss rates are necessary to properly describe the stellar evolution across the Hertzsprung--Russel Diagram. We present a…

Solar and Stellar Astrophysics · Physics 2019-03-20 Alex C. Gormaz-Matamala , Michel Curé , Lydia S. Cidale , Roberto O. J. Venero

Dimtri Mihalas' textbooks in the 70's and 80's on "Stellar Atmospheres" and "Foundations of Radiation Hydrodynamics" helped lay the early groundwork for understanding the moving atmospheres and winds of massive, luminous stars. Indeed, the…

Solar and Stellar Astrophysics · Physics 2015-05-13 Stan Owocki

The modified Castor, Abbott, and Klein (m-CAK) theory predicts different wind regimes based on the line force parameter for changes in ionization ($\delta$) and the rotation parameter ($\Omega$). Stationary hydrodynamic studies have…

Solar and Stellar Astrophysics · Physics 2026-03-17 Matías Montesinos , Emil Zabala-Arroyo , Juan José Castro-Salgado , Michel Curé , Ignacio Araya

Massive stars have strong stellar winds that direct their evolution through the upper Hertzsprung-Russell diagram and determine the black hole mass function. Secondly, wind strength dictates the atmospheric structure that sets the ionising…

Solar and Stellar Astrophysics · Physics 2022-06-14 Jorick S. Vink

The high luminosities of massive stars drive strong stellar winds, through line scattering of the star's continuum radiation. This paper reviews the dynamics of such line driving, building first upon the standard CAK model for steady winds,…

Solar and Stellar Astrophysics · Physics 2014-09-09 Stanley Owocki

Stellar evolution models of massive stars are very sensitive to the adopted mass-loss scheme. The magnitude and evolution of mass-loss rates significantly affect the main sequence evolution, and the properties of post-main sequence objects,…

Solar and Stellar Astrophysics · Physics 2017-02-01 Zsolt Keszthelyi , Joachim Puls , Gregg Wade

Radiation-driven winds are ubiquitous in massive stars, but in Very Massive Stars (VMSs), mass loss dominates their evolution, chemical yields, and ultimate fate. Theoretical predictions have often relied on extrapolations of O star…

Solar and Stellar Astrophysics · Physics 2026-02-03 Gautham N. Sabhahit , Jorick S. Vink , Andreas A. C. Sander

Radiative pressure exerted by line interactions is a prominent driver of outflows in astrophysical systems, being at work in the outflows emerging from hot stars or from the accretion discs of cataclysmic variables, massive young stars and…

Solar and Stellar Astrophysics · Physics 2015-09-29 U. M. Noebauer , S. A. Sim

Mass loss is a key process in the evolution of massive stars, and must be understood quantitatively to be successfully included in broader astrophysical applications. In this review, we discuss various aspects of radiation driven mass loss,…

Astrophysics · Physics 2008-12-18 J. Puls , J. S. Vink , F. Najarro

Massive stars lose a large fraction of their mass to radiation-driven winds throughout their entire life. These outflows impact both the life and death of these stars and their surroundings. Theoretical mass-loss rates of hot, massive stars…

Solar and Stellar Astrophysics · Physics 2022-03-17 R. Björklund , J. O. Sundqvist , S. M. Singh , J. Puls , F. Najarro

[Abridged] Context: Radiation-driven mass loss plays a key role in the life-cycles of massive stars. However, basic predictions of such mass loss still suffer from significant quantitative uncertainties. Aims: We develop new…

Solar and Stellar Astrophysics · Physics 2020-01-08 J. O. Sundqvist , R. Björklund , J. Puls , F. Najarro

Here we present evolutionary models for a set of massive stars, introducing a new prescription for the mass-loss rate obtained from hydrodynamical calculations in which the wind velocity profile, $v(r)$, and the line-acceleration,…

Solar and Stellar Astrophysics · Physics 2022-09-21 A. C. Gormaz-Matamala , M. Curé , G. Meynet , J. Cuadra , J. H. Groh , L. J. Murphy

We present a brief overview of the theory of stellar winds with a strong emphasis on the radiation-driven outflows from massive stars. The resulting implications for the evolution and fate of massive stars are also discussed. Furthermore,…

Solar and Stellar Astrophysics · Physics 2015-06-03 Jorick S. Vink

Mass loss due to line-driven winds is central to our understanding of the evolution of massive stars. We extend the evolution models introduced in Paper I, where the mass loss recipe is based on the simultaneous calculation of the wind…

Solar and Stellar Astrophysics · Physics 2023-05-17 Alex Camilo Gormaz-Matamala , Jorge Cuadra , Georges Meynet , Michel Curé

The theory of radiation driven wind including stellar rotation is re-examined. After a suitable change of variables, a new equation for the mass loss rate is derived analytically. The solution of this equation remains within 1% confidence…

Astrophysics · Physics 2009-11-10 Michel Curé

We present solutions for the velocity field and mass-loss rates for 2D axisymmetric outflows, as well as for the case of mass accretion through the use of the Lambert W-function. For the case of a rotating radiation-driven wind the velocity…

Solar and Stellar Astrophysics · Physics 2014-03-20 Patrick E. Müller , Jorick S. Vink
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