On the alumina dust production in the winds of O-rich asymptotic giant branch stars

@article{DellAgli2014OnTA,
title={On the alumina dust production in the winds of O-rich asymptotic giant branch stars},
author={Flavia Dell’Agli and Domingo An'ibal Garc'ia-Hern'andez and Corinne Rossi and Paolo Ventura and Marcella Di Criscienzo and Raffaella Schneider},
journal={Monthly Notices of the Royal Astronomical Society},
year={2014},
volume={441},
pages={1115-1125}
}
• Published 2 April 2014
• Physics, Geology
• Monthly Notices of the Royal Astronomical Society
The O-rich Asymptotic Giant Branch (AGB) stars experience strong mass loss with efficient dust condensation and they are major sources of dust in the interstellar medium. Alumina dust (Al$_2$O$_3$) is an important dust component in O-rich circumstellar shells and it is expected to be fairly abundant in the winds of the more massive and O-rich AGB stars. By coupling AGB stellar nucleosynthesis and dust formation, we present a self-consistent exploration on the Al$_2$O$_3$ production in the winds…
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References

SHOWING 1-10 OF 54 REFERENCES
Modelling the alumina abundance of oxygen-rich evolved stars in the large magellanic cloud
• Physics, Geology
• 2014
In order to determine the composition of the dust in the circumstellar envelopes of oxygen-rich asymptotic giant branch (AGB) stars we have computed a grid of modust radiative-transfer models for a
Dust formation in the winds of AGBs: the contribution at low metallicities
• Physics
• 2013
We present new models for the evolution of stars with mass in the range 1Msun < M < 7.5Msun, followed from the pre-main-sequence through the asymptotic giant branch phase. The metallicity adopted is
The transition from carbon dust to silicate production in low-metallicity asymptotic giant branch and super-asymptotic giant branch stars
• Physics, Geology
• 2012
We compute the mass and composition of dust produced by stars with masses in the range and with a metallicity of Z= 0.001 during their asymptotic giant branch (AGB) and super-AGB phases. Stellar
New insights into the dust formation of oxygen-rich AGB stars
• Physics, Geology
• 2013
Context. Asymptotic giant branch (AGB) stars are one of the major sources of dust in the universe. The formation of molecules and dust grains and their subsequent expulsion into the interstellar
Dust formation around AGB and SAGB stars: a trend with metallicity?
• Physics
• 2012
We calculate the dust formed around asymptotic giant branch (AGB) and super-AGB stars of metallicity Z = 0.008 by following the evolution of models with masses in the range 1 M⊙ ≤ M ≤ 8 M⊙ through
Mineral formation in stellar winds - III. Dust formation in S stars
• Physics
• 2002
S stars are transition objects at the top of the AGB between M-and C-stars. The third dredge-up in thermally pulsating AGB-stars transports freshly synthesised carbon from the He burning zone into
Too little radiation pressure on dust in the winds of oxygen-rich AGB stars
Aims. It is commonly assumed that the massive winds of AGB stars are dust-driven and pulsation-enhanced. However, detailed frequency-dependent dynamical models that can explain the observed
Evolution of thermally pulsing asymptotic giant branch stars – II. Dust production at varying metallicity
• Physics
• 2013
We present the dust ejecta of the new stellar models for the Thermally Pulsing Asymptotic Giant Branch (TP-AGB) phase computed with the COLIBRI code. We use a formalism of dust growth coupled with a
The role of massive AGB stars in the early solar system composition
• Physics
• 2009
Abstract— We demonstrate that a massive asymptotic giant branch (AGB) star is a good candidate as the main source of short‐lived radionuclides in the early solar system. Recent identification of
Stellar sources of dust in the high-redshift Universe
• Physics, Geology
• 2009
With the aim of investigating whether stellar sources can account for the ≥10 8 Mdust masses inferred from mm/sub-mm observations of samples of 5 <z< 6.4 quasars, we develop a chemical evolution