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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 A1.

Stellar kinematics map as derived by PPXF fittings. These values are measured through the Ca II triplet absorptions at a rest-frame wavelength of ∼8500 Å. The black contour indicates the isophotal level in the rest frame 7800–8800 Å. North is up; east is to the left. Left: velocity shift of the Ca II absorption features relative to the systemic redshift of object 3 (north core). Right: stellar velocity dispersion.

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