Infrared-luminous giants in M32

A previously unknown population of very luminous, red, asymptotic-giant-branch stars has been identified as a result of near-infrared (JHK) imaging in the dwarf elliptical...研究人员通过近红外（JHK）成像观测，在矮椭圆星系天区中发现了一类此前未被认知的高光度红渐近巨星分支恒星（asymptotic-giant-branch stars）星族。