M31 CO(2-1) spectra
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With IRAM-30m/HERA, we have detected CO(2-1) gas complexes within 30arcsec (100pc) from the center of M31 that amount to a minimum total mass of 4.2x10^4^M_{sun}_ (one third of...
借助IRAM-30m望远镜与HERA观测装置,我们在距M31(仙女座星系)中心30角秒(100秒差距)范围内探测到CO(2-1)气体复合体,其最小总质量达4.2×10^4倍太阳质量,约为……的三分之一



