Three Quenched, Faint Dwarf Galaxies in the Direction of NGC 300: New Probes of Reionization and Internal Feedback

Three Quenched, Faint Dwarf Galaxies in the Direction of NGC 300: New Probes of Reionization and Internal Feedback

We report the discovery of three faint and ultrafaint dwarf galaxies—Sculptor A, Sculptor B, and Sculptor C—in the direction of NGC 300 ( D = 2.0 Mpc), a Large Magellanic Cloud–mass galaxy. Deep ground-based imaging with Gemini/GMOS resolves all three dwarf galaxies into stars, each displaying a red...

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Bibliographic Details
Main Authors: David J. Sand, Burçin Mutlu-Pakdil, Michael G. Jones, Ananthan Karunakaran, Jennifer E. Andrews, Paul Bennet, Denija Crnojević, Giuseppe Donatiello, Alex Drlica-Wagner, Catherine Fielder, David Martínez-Delgado, Clara E. Martínez-Vázquez, Kristine Spekkens, Amandine Doliva-Dolinsky, Laura C. Hunter, Jeffrey L. Carlin, William Cerny, Tehreem N. Hai, Kristen B.W. McQuinn, Andrew B. Pace, Adam Smercina
Format: Article
Language:English
Published: IOP Publishing 2024-01-01
Series:The Astrophysical Journal Letters
Subjects:
Dwarf galaxies
Quenched galaxies
Galaxy quenching
Online Access:https://doi.org/10.3847/2041-8213/ad927c
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https://doi.org/10.3847/2041-8213/ad927c

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