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From evolved Long-Period-Variable stars to the evolution of M31

Published online by Cambridge University Press:  20 January 2023

Maryam Torki Open the ORCID record for Maryam Torki [Opens in a new window] ,
Mahdieh Navabi ,
Atefeh Javadi Open the ORCID record for Atefeh Javadi [Opens in a new window] ,
Elham Saremi ,
Jacco Th van Loon  and
Sepideh Ghaziasgar
Maryam Torki
Affiliation:
School of Astronomy, Institute for Research in Fundamental Sciences (IPM), Tehran
Mahdieh Navabi
Affiliation:
School of Astronomy, Institute for Research in Fundamental Sciences (IPM), Tehran
Atefeh Javadi
Affiliation:
School of Astronomy, Institute for Research in Fundamental Sciences (IPM), Tehran
Elham Saremi
Affiliation:
School of Astronomy, Institute for Research in Fundamental Sciences (IPM), Tehran
Jacco Th van Loon
Affiliation:
Lennard-Jones Labratories, Keele University, ST5 5BG, UK
Sepideh Ghaziasgar
Affiliation:
School of Astronomy, Institute for Research in Fundamental Sciences (IPM), Tehran
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Abstract

One of the ways to understand the genesis and evolution of the universe is to know how galaxies have formed and evolved. In this regard, the study of star formation history (SFH) plays an important role in the accurate understanding of galaxies. In this paper, we used long-period variable stars (LPVs) for estimating the SFH in the Andromeda galaxy (M31). These cool stars reach their peak luminosity in the final stage of their evolution also their birth mass is directly related to their luminosity. Therefore, using stellar evolution models, we construct the mass function and hence the star formation history.

Keywords

stars: AGB and post-AGBstars: luminosity function, mass functiongalaxies: evolutiongalaxies: formationgalaxies: individual: M31galaxies: stellar contentgalaxies: structure
Type
Poster Paper
Information
Proceedings of the International Astronomical Union , Volume 16 , Symposium S362: The Predictive Power of Computational Astrophysics as a Discovery Tool , June 2020 , pp. 353 - 355
Copyright
© The Author(s), 2023. Published by Cambridge University Press on behalf of International Astronomical Union

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