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arXiv 0801.1550astro-ph
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星系环中电离气体运动学的三维光谱学

3D spectroscopy of the ionized gas kinematics in galactic rings

A. V. Moiseev

摘要:

银河系环的运动学是用安装在SAO RAS 6米望远镜的多模缩焦器SCORPIO(Afanasiev & Moiseev 2005)中的扫描法布里-珀罗干涉仪研究的。电离气体速度场的分析使我们能够了解在几个星系的环形成的性质。所呈现的物体中不同类型的环(共振的,碰撞的,极性的)是由各种相互作用引起的:合并,迎面碰撞。

英文摘要:

The kinematics of galactic rings were studied with a scanning Fabry-Perot interferometer mounted in the multi-mode focal reducer SCORPIO (Afanasiev & Moiseev 2005) at the SAO RAS 6-m telescope. The analysis of the ionized gas velocity fields allows us to understand the nature of the ring formation in several galaxies. The different types of the rings in the presented objects (resonanced, collisional, polar) were caused by the various sorts of interactions: merging, head-on collisions.

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