我国科学家利用“中国天眼”在银河系发现一颗毫秒脉冲星PSR J1928+1815，它有六分之一的时间被伴星遮挡，且伴星质量远超一般掩食脉冲星的伴星。此类掩食脉冲星非常罕见，对开展恒星演化、致密星吸积、双星并合引力波源等研究具有重要意义。 这一发现由中国科学院国家天文台研究员韩金林团队完成，成果论文5月23日凌晨在国际学术期刊《科学》在线发表。
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