NIR APOGEE radial velocities of Draco C1
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Draco C1 is a known symbiotic binary star system composed of a carbon red giant and a hot, compact companion-likely a white dwarf-belonging to the Draco dwarf spheroidal galaxy....
天龙座C1(Draco C1)是一个已知的共生双星系统(symbiotic binary star system),其组成为一颗碳红巨星(carbon red giant)与一颗炽热致密的伴星——该伴星极有可能为白矮星(white dwarf)——隶属于天龙座矮球状星系(Draco dwarf spheroidal galaxy)……



