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Imaging of the Arp 220 OH Megamasers with VLBI
Published online by Cambridge University Press: 12 April 2016
Abstract
Global VLBI imaging of the luminous IR galaxy Arp 220 reveals four major emission regions in the 1667 MHz line, each with complex spatial and velocity structure showing intriguing symmetries, suggestive of an AGN-related phenomenon. The continuum emission consists of about a dozen sub-mJy unresolved features which appear unrelated to the maser emission, and are interpreted as radio supernovae in an ongoing nuclear starburst.
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- Copyright © Astronomical Society of the Pacific 1998
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