3 papers
astro-ph.EP2026
Tianwen-2 target asteroid (469219) Kamo'oalewa probably develops an Itokawa-compositional but ultra-highly space-weathered surface
Pengfei Zhang, Guozheng Zhang, Zichen Wei +45
China's Tianwen-2 mission plans to return samples from a small, rapidly spinning Earth quasi-satellite (469219) Kamo'oalewa. Previous studies linked Kamo'oalewa to lunar compositio…
astro-ph.HE2025
Tidal disruption and evaporation of rubble-pile and monolithic bodies as a source of flaring activity in Sgr A^\star$
Wen-Han Zhou, Yun Zhang, Jiamu Huang +1
Sgr A*, the supermassive black hole at the center of the Milky Way, exhibits frequent short-duration flares with luminosity greater than 1e34 erg/s across multiple wavelengths. The…
astro-ph.EP2024
White dwarf magnetospheres: Shielding volatile content of icy objects and implications for volatile pollution scarcity
Wen-Han Zhou, Shang-Fei Liu, Douglas N. C. Lin
Context. About 25% -- 50% of white dwarfs are found to be contaminated by heavy elements, which are believed to originate from external sources such as planetary materials. Element…