2 papers
astro-ph.GA2026
Down-bending Breaks in Galactic Disks Are an Intrinsic Byproduct of Inside-out Growth
Liufei Chen, Min Du, Shuai Lu +2
The exponential profile has long been hypothesized as the fundamental morphology of galactic disks. The IllustrisTNG simulations reproduce diverse surface-density profiles: Type I…
astro-ph.HE2025
The Dust Echo Emission of Fast Blue Optical Transients and Application to the Near-Infrared Excess of AT 2018cow
Jing-Yao Li, Yun-Wei Yu, Liang-Duan Liu +1
A near-infrared (NIR) excess has been discovered in the emission of the representative fast blue optical transient (FBOT): AT 2018cow. It was suggested that this NIR excess could b…