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Down-bending Breaks in Galactic Disks Are an Intrinsic By-product of Inside-out Growth

  • Authors: Liufei Chen, 柳霏 陈, Min Du, 敏 杜, Shuai Lu, 帅 卢, Jing Li, 静 李, Luis C. Ho

Liufei Chen et al 2026 The Astrophysical Journal Letters 1003 .

  • Provider: AAS Journals

Caption: Figure 3.

Accumulated fraction of mergers for type I (yellow), type II (blue), and type III (pink) disk galaxies across three stellar mass bins: ﹩\mathrm{log}({M}_{\star }/{M}_{\odot })=10.0﹩–10.4 (left), 10.4–10.8 (middle), and 10.8–11.2 (right). The fraction of galaxies experiencing at least one major merger (solid profiles, mass ratio >1:4) or minor merger (dashed profiles, mass ratio 1:4–1:10) as a function of look-back time.

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