Prevalence of Compact Nuclear Radio Emission in Post-merger Galaxies and Its Origin
Gregory Walsh,
Sarah Burke-Spolaor
Abstract:Post-merger galaxies are unique laboratories to study the triggering and interplay of star formation and active galactic nucleus (AGN) activity. Combining new, high-resolution Jansky Very Large Array (VLA) observations with archival radio surveys, we have examined the radio properties of 28 spheroidal post-merger galaxies. We detect 18 radio sources in our post-merger sample and find a general lack of extended emission at (sub)kiloparsec scales, indicating the prevalence of compact, nuclear radio emission in t… Show more
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