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New insights into the evolution of massive stars and their effects on our understanding of early galaxies
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Eldridge, Jan J. and Stanway, Elizabeth R. (2022) New insights into the evolution of massive stars and their effects on our understanding of early galaxies. Annual Review of Astronomy and Astrophysics, 60 (1). pp. 455-494. doi:10.1146/annurev-astro-052920-100646 ISSN 0066-4146.
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Official URL: http://dx.doi.org/10.1146/annurev-astro-052920-100...
Abstract
The observable characteristics and subsequent evolution of young stellar populations is dominated by their massive stars. As our understanding of those massive stars and the factors affecting their evolution improves, so our interpretation of distant, unresolved stellar systems can also advance. As observations increasingly probe the distant Universe, and the rare low-metallicity starbursts nearby, so the opportunity arises for these two fields to complement one another and leads to an improved conception of both stars and galaxies. Here, we review the current state of the art in modeling of massive star–dominated stellar populations and discuss their applications and implications for interpreting the distant Universe. Our principal findings include the following:
- Binary evolutionary pathways must be included to understand the stellar populations in early galaxies.
- Observations constraining the extreme ultraviolet spectrum of early galaxies are showing that current models are incomplete. The best current guess is that some form of accretion onto compact remnants is required.
- The evolution and fates of very massive stars, on the order of 100 M⊙ and above, may be key to fully understand aspects of early galaxies.
Item Type: | Journal Article | |||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | |||||||||
Journal or Publication Title: | Annual Review of Astronomy and Astrophysics | |||||||||
Publisher: | Annual Reviews | |||||||||
ISSN: | 0066-4146 | |||||||||
Official Date: | August 2022 | |||||||||
Dates: |
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Volume: | 60 | |||||||||
Number: | 1 | |||||||||
Page Range: | pp. 455-494 | |||||||||
DOI: | 10.1146/annurev-astro-052920-100646 | |||||||||
Status: | Peer Reviewed | |||||||||
Publication Status: | Published | |||||||||
Access rights to Published version: | Restricted or Subscription Access | |||||||||
RIOXX Funder/Project Grant: |
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Open Access Version: |
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