Optical Strong Line Ratios Cannot Distinguish between Stellar Populations and Accreting Black Holes at High Ionization Parameters and Low Metallicities

High-redshift observations from JWST indicate that optical strong line ratios do not carry the same constraining power as they do at low redshifts. Critically, this prevents a differentiation between stellar and black hole accretion-driven ionization, thereby obscuring both active galactic nuclei (A...

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Auteurs principaux:	Nikko J. Cleri, Grace M. Olivier, Bren E. Backhaus, Joel Leja, Casey Papovich, Jonathan R. Trump, Pablo Arrabal Haro, Véronique Buat, Denis Burgarella, Emilie Burnham, Antonello Calabrò, Jonathan H. Cohn, Justin W. Cole, Kelcey Davis, Mark Dickinson, Steven L. Finkelstein, Ray Garner III, Michaela Hirschmann, Weida Hu, Taylor A. Hutchison, Dale D. Kocevski, Anton M. Koekemoer, Rebecca L. Larson, Zach J. Lewis, Michael V. Maseda, Lise-Marie Seillé, Raymond C. Simons
Format:	Artigo
Langue:	Inglês
Publié:	IOP Publishing 2025-01-01
Collection:	The Astrophysical Journal
Sujets:	Active galactic nuclei Interstellar medium High-redshift galaxies Emission line galaxies Galaxy evolution
Accès en ligne:	https://doi.org/10.3847/1538-4357/ae0f17
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