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Related papers: Self-consistent solutions for line-driven winds of…

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We present two self-consistent procedures that couple the hydrodynamics with calculations of the line-force in the frame of radiation wind theory. These procedures give us the line-force parameters, the velocity field, and the mass-loss…

Solar and Stellar Astrophysics · Physics 2020-02-19 Alex Camilo Gormaz-Matamala

We perform spectral fitting for a set of O-type stars based on self-consistent wind solutions, which provide mass-loss rate and velocity profiles directly derived from the initial stellar parameters. The great advantage of this…

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

Mass loss from massive stars plays a determining role in their evolution through the upper Hertzsprung-Russell diagram. The hydrodynamic theory that describes their steady-state winds is the line-driven wind theory (m-CAK). From this…

Solar and Stellar Astrophysics · Physics 2023-05-22 Michel Cure , Ignacio Araya

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

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

Massive O-type stars lose a significant fraction of their mass through radiation-driven winds, a process that critically shapes their evolution and feedback into the interstellar medium. Accurate predictions of mass-loss rates are essential…

Solar and Stellar Astrophysics · Physics 2026-02-19 F. Figueroa-Tapia , J. A. Panei , M. Curé , I. Araya , S. Ekström , A. C. Gormaz-Matamala , R. O. J. Venero , L. S. Cidale

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

Stellar winds are an important aspect of our understanding of the evolution of massive stars and their input into the interstellar medium. Here we present solutions for the velocity field and mass-loss rates for stellar outflows as well as…

Astrophysics · Physics 2008-12-10 Patrick E. Müller , 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

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

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

[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

Mass-loss rates from hot, massive stars are important for a range of astrophysical applications. We present \href{https://lime.ster.kuleuven.be/}{LIME}, a fast, efficient, and easy-to-use real-time mass-loss calculator for line-driven winds…

Solar and Stellar Astrophysics · Physics 2025-11-26 J. O. Sundqvist , D. Debnath , F. Backs , O. Verhamme , N. Moens , L. Delbroek , D. Dickson , P. Schillemans , C. Van der Sijpt , M. Dirickx

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

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

Reliable predictions of mass-loss rates are important for massive-star evolution computations. We aim to provide predictions for mass-loss rates and wind-momentum rates of O-type stars, carefully studying the behaviour of these winds as…

Solar and Stellar Astrophysics · Physics 2021-04-14 R. Björklund , J. O. Sundqvist , J. Puls , F. Najarro

Fast line-driven stellar winds play an important role in the evolution of planetary nebulae. We provide global hot star wind models of central stars of planetary nebulae. The models predict wind structure including the mass-loss rates,…

Solar and Stellar Astrophysics · Physics 2020-04-08 J. Krticka , J. Kubat , I. Krtickova

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
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