2 papers
astro-ph.EP2025
Stellar Obliquity of the Ultra-Short-Period Planet System HD 93963
Huan-Yu Teng, Fei Dai, Andrew W. Howard +24
We report an observation of the Rossiter-McLaughlin (RM) effect of the transiting planet HD 93963 Ac, a mini-Neptune planet orbiting a G0-type star with an orbital period of $P_{\r…
astro-ph.EP2024
Dust and Volatiles in the Disintegrating Comet C/2019 Y4 (ATLAS)
Ruining Zhao, Aigen Li, Bin Yang +4
C/2019 Y4 (ATLAS) is an Oort cloud comet with an orbital period of 5895. Starting in March 2020, its nucleus underwent disintegration. In order to investigate the…