Abstract—The new observational data concerning distribution, excitation, and kinematics of the ionized gas in the giant early-type galaxy NGC 2655 obtained at the 6m telescope of the Special Astrophysical Observatory (SAO RAS) and at the 2.5 m telescope of the Caucasian Mountain Observatory (CMO SAI MSU) are presented in this work. The joint analysis of these and earlier spectral observations has allowed us to make a conclusion about multiple nature of the gas in NGC 2655. Together with a proper large gaseous disk experiencing regular circular rotation in the equatorial plane of the stellar potential of the galaxy for billions years, we observe also remnants of a merged small satellite having striked the central part of NGC 2655 almost vertically for some 10 million years ago.

摘要——特殊天体物理天文台（SAO RAS）6米望远镜和高加索山2.5米望远镜获得的巨型早型星系NGC 2655中电离气体分布、激发和运动学的新观测数据天文台（CMO SAI MSU）在这项工作中提出。对这些和早期光谱观测的联合分析使我们能够得出关于 NGC 2655 中气体的多重性质的结论。连同一个适当的大气体盘在银河系恒星势的赤道平面上经历了数十亿年的规则圆形旋转多年来，我们还观察到一颗合并的小卫星的残余物在大约 1000 万年前几乎垂直撞击了 NGC 2655 的中心部分。