Stellar Metallicities and Gradients in the Isolated, Quenched Low-mass Galaxy Tucana

Stellar Metallicities and Gradients in the Isolated, Quenched Low-mass Galaxy Tucana

We measure the metallicities of 374 red giant branch (RGB) stars in the isolated, quenched dwarf galaxy Tucana using Hubble Space Telescope narrowband (F395N) calcium H and K imaging. Our sample is a factor of ∼7 larger than what is available from previous studies. Our main findings are as follows....

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Bibliographic Details
Main Authors: Sal Wanying Fu, Daniel R. Weisz, Else Starkenburg, Nicolas Martin, Francisco J. Mercado, Alessandro Savino, Michael Boylan-Kolchin, Patrick Côté, Andrew E. Dolphin, Nicolas Longeard, Mario L. Mateo, Jenna Samuel, Nathan R. Sandford
Format: Article
Language:English
Published: IOP Publishing 2024-01-01
Series:The Astrophysical Journal
Subjects:
Dwarf galaxies
HST photometry
Local Group
Stellar abundances
Online Access:https://doi.org/10.3847/1538-4357/ad25ed

Internet

https://doi.org/10.3847/1538-4357/ad25ed

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