Results 31 to 40 of about 1,202 (206)
Luminosity Functions for Asymptotic Giant Branch Stars [PDF]
Symposium - International Astronomical Union, 1984 To understand the evolution of carbon and oxygen rich asymptotic giant branch (AGB) stars it is important to observationally establish the relations between parameters such as luminosity, age, and metallicity. The existence of luminous (brighter than the top of the first giant branch) AGB stars in clusters in the Magellanic Clouds (Mould and Aaronson ...
Jay A. Frogel, V.M. Blanco
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Asymptotic Giant Branch Stars in the Magellanic Clouds [PDF]
Symposium - International Astronomical Union, 1991 Since the pioneering objective prism surveys by Westerlund (1960) and Blanco et al. (1980), the Magellanic Clouds have proved a fruitful site for exploring the evolution of AGB stars. We have used photometric techniques to extend the prism C-star surveys to M- and S-type AGB stars, constructing luminosity functions and obtaining spectra of individual ...
Neill Reid, Jeremy Mould
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Planetary Engulfment Prognosis within the ρ CrB System
The Astrophysical Journal, 2023 Exoplanets have been detected around stars at various stages of their lives, ranging from young stars emerging from formation to the latter stages of evolution, including white dwarfs and neutron stars.
Stephen R. Kane
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The intermediate neutron-capture process in AGB stars [PDF]
EPJ Web of Conferences, 2023 The intermediate neutron-capture process is thought to arise when protons are mixed in a convective helium-burning zone. This can happen during the early Thermally-Pulsing (TP) Asymptotic Giant Branch (AGB) phase of low-mass, low-metallicity stars. After
Choplin Arthur +2 more
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Backflow in post-asymptotic giant branch stars [PDF]
Monthly Notices of the Royal Astronomical Society, 2001 We derive the conditions for a backflow toward the central star(s) of circumstellar material to occur during the post-asymptotic giant branch (AGB) phase. The backflowing material may be accreted by the post-AGB star and/or its companion, if such exists.
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ON CARBON BURNING IN SUPER ASYMPTOTIC GIANT BRANCH STARS [PDF]
The Astrophysical Journal, 2015 We explore the detailed and broad properties of carbon burning in Super Asymptotic Giant Branch (SAGB) stars with 2755 MESA stellar evolution models. The location of first carbon ignition, quenching location of the carbon burning flames and flashes, angular frequency of the carbon core, and carbon core mass are studied as a function of the ZAMS mass ...
Robert Farmer +4 more
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A H I IMAGING SURVEY OF ASYMPTOTIC GIANT BRANCH STARS [PDF]
The Astronomical Journal, 2013 Accepted to AJ. A version with full resolution figures is available at http://www.haystack.mit.edu/hay/staff/lmatthew/matthews_HI_survey ...
Matthews, L. +3 more
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News on the slow neutron capture process in AGB stars [PDF]
EPJ Web of Conferences, 2023 Asymptotic giant branch (AGB) stars are responsible for the production of the main component of the solar s-process distribution. Despite enormous progress in the theoretical modeling of these objects over the last few decades, many uncertainties remain.
Vescovi Diego
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Mass Losing Asymptotic Giant Branch Stars And Supergiants [PDF]
arXiv: Solar and Stellar Astrophysics, 2016 This paper presents a summary of four invited and twelve contributed presentations on asymptotic giant branch stars and red supergiants, given over the course of two afternoon splinter sessions at the 19th Cool Stars Workshop. It highlights both recent observations and recent theory, with some emphasis on high spatial resolution, over a wide range of ...
Susanne Höfner +4 more
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Pulsating stars in the VMC survey
EPJ Web of Conferences, 2017 The VISTA survey of the Magellanic Clouds system (VMC) began observations in 2009 and since then, it has collected multi-epoch data at Ks and in addition multi-band data in Y and J for a wide range of stellar populations across the Magellanic system ...
Cioni Maria-Rosa L. +6 more
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