The Ultradiffuse Galaxy AGC 242019 with a Negative Metallicity Gradient

The Ultradiffuse Galaxy AGC 242019 with a Negative Metallicity Gradient

The origin of ultradiffuse galaxies (UDGs) remains poorly understood. While the metallicity gradient can offer key clues about the formation mechanisms of UDGs, no such studies have been conducted for field UDGs. We carry out deep MUSE observations of one of the brightest UDGs in the H i —AGC 242019...

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Bibliographic Details
Main Authors: Junbao Ni, Yong Shi, Xin Li, Zhiyuan Zheng, Zhiyu Zhang, Xiaoling Yu, Fuyan Bian, Jianhang Chen, Junzhi Wang
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astrophysical Journal
Subjects:
Low surface brightness galaxies
Metallicity
Galaxy spectroscopy
Galaxy formation
Galaxy evolution
Dwarf galaxies
Online Access:https://doi.org/10.3847/1538-4357/addbdb
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https://doi.org/10.3847/1538-4357/addbdb

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