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astro-ph.GA2026
Survival or Destruction: Effects of Spheroidal Satellite Collisions on Bars in Milky Way-Like Galaxies
Yufan Zhou, Zhiyuan Li, Óscar Jiménez-Arranz +1
Although stellar bars are prevalent in local galaxies, unbarred galaxies constitute a significant fraction, particularly at high redshifts. While some galaxies are unbarred by natu…
astro-ph.GA2025
N-body simulations of galaxy bars generated by satellite collisions: effects of the impact geometry
Yufan Fane Zhou, Zhiyuan Li, Hui Li
Bars, a common and important structure in disk galaxies, can be induced by galaxy interactions. Although there have been some studies on bar formation in flybys or collisions, the…
astro-ph.GA2025
Ring or no ring -- Revisiting the Multiphase Nuclear Environment in M31
Zongnan Li, Zhao Su, Sumin Wang +9
Nuclear rings, prevalent in barred galaxies, are essential to understanding gas transport toward galactic nuclei. However, the peculiar nuclear ring in our neighboring galaxy M31 r…