Results 1 to 10 of about 412,693 (262)

Stellar Mass Loss-Driven Wind Models of Elliptical Galaxies? [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 1994
Recent claims in the literature (Bressan, Chiosi & Fagotto 1994) that the epoch describing the onset of galactic winds in spheroidal star systems has been severely overestimated in the past, due to the neglect of energy deposited in the interstellar ...
Gibson, Brad K.
core   +4 more sources

Mass loss at the lowest stellar masses [PDF]

open access: greenAstronomy & Astrophysics, 2005
Accepted for publication in A&A, 8 pages, 5 figures, 2 ...
M. Fernández, F. Comerón
openalex   +3 more sources

Stellar Winds and Mass-Loss Rates from Be Stars [PDF]

open access: bronzeThe Astrophysical Journal, 1982
Resonance-line profiles of SiIII and SiIV lines in 22 B and Be stars have been analyzed in the derivation of mass-loss rates. Of the 19 known Be or shell stars in the sample group, all but one show evidence of winds. It is argued that for stars of spectral type B1.5 and later, SiIII and SiIV are the dominant stages of ionization, and this conclusion ...
Theodore P. Snow
openalex   +2 more sources

Stellar adiabatic mass loss model and applications [PDF]

open access: yesAstrophysics and Space Science, 2010
Roche-lobe overflow and common envelope evolution are very important in binary evolution, which is believed to be the main evolutionary channel to hot subdwarf stars. The details of these processes are difficult to model, but adiabatic expansion provides
B. Paxton   +20 more
core   +2 more sources

Constraining the Stellar Mass Function in the Galactic Center via Mass Loss from Stellar Collisions [PDF]

open access: yesAdvances in Astronomy, 2011
The dense concentration of stars and high-velocity dispersions in the Galactic center imply that stellar collisions frequently occur. Stellar collisions could therefore result in significant mass loss rates.
Douglas Rubin, Abraham Loeb
doaj   +4 more sources

Stellar mass loss and galactic chemical evolution [PDF]

open access: bronzeInternational Astronomical Union Colloquium, 1981
We summarize here some of the results that we have obtained from chemical evolution models. In particular, we discuss those aspects related to stellar mass loss, helium production, a varying heavy element yield and the very light stars.The observed value of the helium to heavy element abundance ratio ΔY/ΔZ is about 3 (e.g. Lequeux et al. 1979).
A. Serrano, M. Peimbert
openalex   +2 more sources

The Dynamical Evolution of Globular Clusters with Stellar Mass Loss [PDF]

open access: greenJournal of Astronomy and Space Sciences, 1991
The dynamical evolution of globular clusters is studied using the orbit-averaged multicomponent Fokker-Planck equation. The original code developed by Cohn(1980) is modified to include the effect of stellar evolutions.
Chang-Hwan Kim   +2 more
doaj   +1 more source

Stellar evolution models with mass loss and turbulence [PDF]

open access: bronzeProceedings of the International Astronomical Union, 2008
AbstractAlthough chemical separation is generally accepted as the main physical process responsible for the anomalous surface abundances of AmFm stars, its exact behavior within the interior of these stars is still uncertain. We will explore two hydrodynamical processes which could compete with atomic diffusion: mass loss and turbulence.
M. Vick, G. Michaud, O. Richard
openalex   +3 more sources

Stellar Streams Reveal the Mass Loss of Globular Clusters

open access: yesThe Astrophysical Journal Letters
Globular cluster (GC) streams, debris of stars tidally stripped from their progenitor GCs, have densities that correlate positively with the GC mass-loss rate.
Yingtian Chen, Hui Li, Oleg Y. Gnedin
doaj   +3 more sources

Pinwheel Outflow Induced by Stellar Mass Loss in a Coplanar Triple System [PDF]

open access: greenThe Astrophysical Journal
We develop a physical framework for interpreting complex circumstellar patterns whorled around asymptotic giant branch (AGB) stars by investigating stable, coplanar triple systems using hydrodynamic and particle simulations.
Hyosun Kim   +3 more
doaj   +2 more sources

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