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The dependence of theoretical synthetic spectra on α-enhancement in young, binary stellar populations
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Byrne, C. M, Stanway, Elizabeth R., Eldridge, J. J., McSwiney, L. and Townsend, O. T. (2022) The dependence of theoretical synthetic spectra on α-enhancement in young, binary stellar populations. Monthly Notices of the Royal Astronomical Society, 512 (4). pp. 5329-5338. doi:10.1093/mnras/stac807
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Official URL: https://doi.org/10.1093/mnras/stac807
Abstract
The enhancement of α elements such as oxygen is an important phase in the chemical evolution of the early Universe, with nebular material becoming enriched in these elements sooner than iron. Here, we present models which incorporate stellar spectra with α-enhanced compositions, focusing on the impact on the integrated light of young stellar populations, including those with large binary star fractions using the Binary Populations and Spectral Synthesis (BPASS) framework, while using Solar-scaled stellar evolution models. We find that broad spectrum outputs such as production of ionizing flux, the ultraviolet spectral slope and optical colours are only weakly affected by a change in
| Item Type: | Journal Article | |||||||||
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| Subjects: | Q Science > QB Astronomy | |||||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | |||||||||
| Library of Congress Subject Headings (LCSH): | Double stars , Double stars -- Evolution , Galaxies , Stars -- Spectra | |||||||||
| Journal or Publication Title: | Monthly Notices of the Royal Astronomical Society | |||||||||
| Publisher: | Oxford University Press | |||||||||
| ISSN: | 0035-8711 | |||||||||
| Official Date: | June 2022 | |||||||||
| Dates: |
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| Volume: | 512 | |||||||||
| Number: | 4 | |||||||||
| Page Range: | pp. 5329-5338 | |||||||||
| DOI: | 10.1093/mnras/stac807 | |||||||||
| Status: | Peer Reviewed | |||||||||
| Publication Status: | Published | |||||||||
| Reuse Statement (publisher, data, author rights): | This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society ©: [year] [owner as specified on the article] Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved. | |||||||||
| Access rights to Published version: | Restricted or Subscription Access | |||||||||
| RIOXX Funder/Project Grant: |
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