Hickson紧群中CO和[C II ]的Herschel和CARMA观点
A Herschel and CARMA view of CO and [C II] in Hickson Compact groups
摘要：
通过赫歇尔空间天文台的观测，以及灵敏的毫米干涉仪时代的到来，使天文学家能够以前所未有的灵敏度探测大量星系中的冷尘埃和冷星际介质，彻底改变了对星系从恒星形成的蓝色云到静止的红色序列的演化的理解。最近的H2明亮的希克森致密星系群（HCGs）的赫歇尔观测表明，[CII]可能会在扩散激波气体中增强。CARMA CO（1-0）对这些[CII]亮HCG的观测表明，这些湍流系统也可以显示SF的抑制。在这里，我们提出了Herschel和CARMA的HCG观测的初步结果，以及它们的[CII]和CO（1-0）性质，以讨论冲击如何影响星系跃迁和恒星形成。
英文摘要：
Understanding the evolution of galaxies from the starforming blue cloud to the quiescent red sequence has been revolutionized by observations taken with Herschel Space Observatory, and the onset of the era of sensitive millimeter interferometers, allowing astronomers to probe both cold dust as well as the cool interstellar medium in a large set of galaxies with unprecedented sensitivity. Recent Herschel observations of of H2-bright Hickson Compact Groups of galaxies (HCGs) has shown that [CII] may be boosted in diffuse shocked gas. CARMA CO(1-0) observations of these [CII]-bright HCGs has shown that these turbulent systems also can show suppression of SF. Here we present preliminary results from observations of HCGs with Herschel and CARMA, and their [CII] and CO(1-0) properties to discuss how shocks influence galaxy transitions and star formation.
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