Interacting galaxies hiding into one, revealed by MaNGA - Observatoire de Paris Access content directly
Proceedings SF2A-2021: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics. Eds.: A. Siebert Year : 2021

Interacting galaxies hiding into one, revealed by MaNGA

Abstract

Interacting galaxies represent a fundamental tool for investigating the underlying mechanisms that drive galaxy evolution. In order to identify merging systems, high-resolution spectroscopic data are required, especially when the morphology does not show clear galaxy pairs. Here, we present a merging galaxy, MaNGA 1-114955, in which we highlighted the superimposition of two distinct rotating discs along the line of sight. We suggest that we are observing a pre-coalescence stage of a merger. Our results demonstrate how a galaxy can hide another one and the relevance of a multi-component approach for studying ambiguous systems.
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obspm-03998661 , version 1 (21-02-2023)

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B. Mazzilli Ciraulo, A.-L. Melchior, D. Maschmann, I. Y. Katkov, A. Hallé, et al.. Interacting galaxies hiding into one, revealed by MaNGA. SF2A-2021: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics. Eds.: A. Siebert, pp.401 - 402, 2021. ⟨obspm-03998661⟩
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