English
Related papers

Related papers: Ring Nebulae around Massive Stars throughout the H…

200 papers

In the course of the life of a massive star, wind-wind interaction can give rise to the formation of circumstellar nebulae which are both predicted and observed in the nature. We present generic model calculations to predict the properties…

Astrophysics · Physics 2009-11-13 S. M. Chita , N. Langer , A. J. van Marle , G. Garcia-Segura , A. Heger

Mass loss from massive stars ($\ga 8 \msun$) can result in the formation of circumstellar wind blown cavities surrounding the star, bordered by a thin, dense, cold shell. When the star explodes as a core-collapse supernova (SN), the…

Astrophysics · Physics 2009-11-10 Vikram V. Dwarkadas

Massive stars drive strong winds that impact the surrounding interstellar medium, producing parsec-scale bubbles for isolated stars and superbubbles around young clusters. These bubbles can be observed across the electromagnetic spectrum,…

Astrophysics of Galaxies · Physics 2022-11-17 Jonathan Mackey

Most stars will experience episodes of substantial mass loss at some point in their lives. For very massive stars, mass loss dominates their evolution, although the mass loss rates are not known exactly, particularly once the star has left…

Astrophysics · Physics 2015-06-24 S. J. Arthur

As massive stars evolve, their winds change. This causes a series of hydrodynamical interactions in the surrounding medium. Whenever a fast wind follows a slow wind phase, the fast wind sweeps up the slow wind in a shell, which can be…

Solar and Stellar Astrophysics · Physics 2011-02-02 Allard Jan van Marle , Rony Keppens , Zakaria Meliani

We study the dynamics of stellar wind bubbles around hydrogen-deficient stars using numerical simulations with time- and ion dependent cooling. We consider two types of hydrogen-deficient stars, massive WR stars, producing Ring Nebulae, and…

Astrophysics · Physics 2009-11-07 Garrelt Mellema , Peter Lundqvist

A significant fraction of massive stars move at speed through the interstellar medium of galaxies. After their death as core collapse supernovae, a possible final evolutionary state is that of a fast rotating magnetised neutron star,…

High Energy Astrophysical Phenomena · Physics 2022-07-06 D. M. -A. Meyer , Z. Meliani

Aims. Observations show nebulae around some massive stars but not around others. If observed, their chemical composition is far from homogeneous. Our goal is to put these observational features into the context of the evolution of massive…

Solar and Stellar Astrophysics · Physics 2015-06-17 Cyril Georgy , Rolf Walder , Doris Folini , Andrei Bykov , Alexandre Marcowith , Jean M. Favre

Massive stars lose a large fraction of their original mass over the course of their evolution. These stellar winds shape the surrounding medium according to parameters that are the result of the characteristics of the stars, varying over…

Solar and Stellar Astrophysics · Physics 2011-10-17 Allard Jan van Marle , Rony Keppens , Sung-Chul Yoon , Norbert Langer

Massive stars drive the evolution of the interstellar medium through their radiative and mechanical energy input. After their birth, they form bubbles of hot gas surrounded by a dense shell. Traditionally, the formation of bubbles is…

Solar and Stellar Astrophysics · Physics 2014-07-09 B. B. Ochsendorf , S. Verdolini , N. L. J. Cox , O. Berné , L. Kaper , A. G. G. M. Tielens

We study the evolution of the interstellar and circumstellar media around massive stars (M > 40M_{\odot}) from the main sequence through to the Wolf-Rayet stage by means of radiationhydrodynamic simulations. We use publicly available…

Solar and Stellar Astrophysics · Physics 2015-05-28 J. A. Toalá , S. J. Arthur

This review discusses the physics of the formation of planetary nebulae around low mass WR stars, or [WR] stars. It especially focuses on the differences which can be expected due to the different character of the fast winds from these [WR]…

Astrophysics · Physics 2007-05-23 Garrelt Mellema

Massive stars shape their surrounding medium through the force of their stellar winds, which collide with the circumstellar medium. Because the characteristics of these stellar winds vary over the course of the evolution of the star, the…

Solar and Stellar Astrophysics · Physics 2012-10-04 Allard Jan van Marle , Rony Keppens

Supernovae descendent from massive stars explode in media that have been modified by their progenitors' mass loss and UV radiation. The supernova ejecta will first interact with the circumstellar material shed by the progenitors at late…

Astrophysics · Physics 2009-10-31 Y. -H. Chu

(Abridged) Mass-loss from massive stars leads to the formation of circumstellar wind-blown bubbles surrounding the star, bordered by a dense shell. When the star ends its life in a supernova (SN) explosion, the resulting shock wave will…

Astrophysics · Physics 2009-06-23 Vikram V. Dwarkadas

The medium around massive stars is strongly shaped by the stellar winds. Those winds depend on various stellar parameters (effective temperature, luminosity, chemical composition, rotation, ...), which are varying as a function of the time.…

Solar and Stellar Astrophysics · Physics 2011-09-14 Cyril Georgy , Rolf Walder , Doris Folini

Massive stars are expected to produce wind-blown bubbles in the interstellar medium; however, ring nebulae, suggesting the existence of bubbles, are rarely seen around main-sequence O stars. To search for wind-blown bubbles around…

We study the evolution of supernova remnants in the circumstellar medium formed by mass loss from the progenitor star. The properties of this interaction are investigated, and the specific case of a 35 $\msun$ star is studied in detail. The…

Astrophysics · Physics 2007-05-23 Vikram Dwarkadas

The circumstellar medium around massive stars is strongly impacted by stellar winds, radiation, and explosions. We use numerical simulations of these interactions to constrain the current properties and evolutionary history of various stars…

The winds of massive stars create large (>10 pc) bubbles around their progenitors. As these bubbles expand they encounter the interstellar coherent magnetic field which, depending on its strength, can influence the shape of the bubble. We…

Solar and Stellar Astrophysics · Physics 2015-11-18 Allard Jan van Marle , Zakaria Meliani , Alexandre Marcowith
‹ Prev 1 2 3 10 Next ›