Virgo intracluster planetary nebula candidates

Intracluster stars - stars outside of individual galaxies - are a sensitive measure of the poorly understood processes of galactic mergers, cluster accretion, and tidal...星系团内恒星（Intracluster stars）——即游离于单个独立星系之外的恒星——是一类高灵敏度的观测示踪剂，可用于探究当前尚未被充分认知的星系并合、星系团吸积以及潮汐等物理过程。