2 papers
astro-ph.EP2026
The Survival Paradox of Close-In Planets Orbiting Red Clump Giants
Wen-Xu Lin, Sheng-Bang Qian, Qi-Bin Sun +9
Close-in planets orbiting core-helium-burning red-clump (RC) giants directly challenge tidal-engulfment theory, which predicts that planets within about 1 au of Sun-like stars shou…
astro-ph.SR2026
Eclipse Properties and Superhump Evolution in the SU UMa-Type Dwarf Nova Z Cha
Qi-Bin Sun, Sheng-Bang Qian, Li-Ying Zhu +10
The advent of large-scale time-domain surveys provides both opportunities and challenges for understanding accretion disk evolution in cataclysmic variables (CVs). Using high-caden…