Follow-up HST obs. of a strong failed SN cand.

We present the discovery of an exceptional dimming event in a cool supergiant star in the Local Volume spiral M51. The star, dubbed M51-DS1, was found as part of a Hubble Space...本研究报道了在本地体积旋涡星系M51中一颗冷超巨星上发现的一次异常变暗事件。这颗被命名为M51-DS1的恒星，是哈勃空间（Hubble Space）相关观测项目的发现对象之一。