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UGC 2369S: A Kiloparsec-scale Triple Merger Candidate Identified in a Nearby Luminous Infrared Galaxy

  • Authors: Yuanze Ding, Michael J. Koss, Fiona A. Harrison, Charles C. Steidel, Connor Auge, Jared Gillette, Erica Hammerstein, Ruancun Li, Macon Magno, Ignacio del Moral-Castro, Alessandro Peca, Claudio Ricci, Yiqing Song, Ezequiel Treister, Zhuyun Zhuang

Yuanze Ding et al 2026 The Astrophysical Journal 1002 .

  • Provider: AAS Journals

Caption: Figure 17.

Extinction-corrected oxygen abundance map using the strong-line (O3N2) method described in M. Pettini & B. E. J. Pagel (2004). Both objects 1 and 2 show slightly supersolar (≳0.2 dex) abundance at the core. The lack of abundance peak at object 3 is likely due to heavy dust obscuration and the dilution by the starburst region outside the thick dust screen.

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