Massive Stars: Key to Solving the Cosmic Puzzle
Aida Wofford (STScI), Claus Leitherer (STScI), Nolan R. Walborn, (STScI), Myron Smith (CSC), Mar\'ia Pe\~na-Guerrero (STScI), Luciana Bianchi, (JHU), David Thilker (JHU), John D. Hillier (U. of Pittsburgh), Jes\'us, Ma\'iz Apell\'aniz (IAA), Miriam Garc\'ia (IAC)

TL;DR
This paper advocates for the use of a large space-based telescope to observe massive stars and star-forming galaxies in the nearby universe, aiming to address key questions about cosmic element distribution and the formation of the first stars.
Contribution
It proposes a new observational approach with a 10-m or larger space telescope to study massive stars and their environments, advancing understanding of cosmic evolution.
Findings
Enhanced understanding of element distribution in galaxies
Insights into the formation timing of the first stars
Improved separation of factors influencing massive star properties
Abstract
We describe observations in the nearby universe (<100 Mpc) with a 10-m or larger space-based telescope having imaging and spectral capabilities in the range 912-9000 \AA that would enable advances in the fields of massive stars, young populations, and star-forming galaxies, that are essential for achieving the Cosmic Origins Program objectives i) how are the chemical elements distributed in galaxies and dispersed in the circumgalactic and intergalactic medium; and ii) when did the first stars in the universe form, and how did they influence their environments. We stress the importance of observing hundreds of massive stars and their descendants individually, which will make it possible to separate the many competing factors that influence the observed properties of these systems (mass, composition, convection, mass-loss, rotation rate, binarity, magnetic fields, and cluster mass).
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Taxonomy
TopicsAstronomy and Astrophysical Research · Stellar, planetary, and galactic studies · Astrophysics and Star Formation Studies
