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Frequency of Tidal Features Correlates with Age and Internal Structure of Early-type Galaxies

10 Feb 2021, 17:00 UTC
Frequency of Tidal Features Correlates with Age and Internal Structure of Early-type Galaxies
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Yongmin Yoon and Gu Lim 2020 ApJ 905 154
An investigation of tidal features in 650 early-type galaxies (ETGs) provides evidence that compact young ETGs — especially those with blue cores — and ETGs with dust lanes are involved in recent mergers.

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