To appear in The Astrophysical Journal Properties of H II Regions in the Centers of Nearby Galaxies


As part of an optical spectroscopic survey of nearby, bright galaxies, we have identified a sample of over 200 emission-line nuclei having optical spectra resembling those of giant extragalactic H II regions. Such “H II nuclei,” powered by young, massive stars, are found in a substantial fraction of nearby galaxies, especially those of late Hubble type… (More)

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