Anomalously Low-Metallicity Regions in MaNGA Star-Forming Galaxies: Accretion Caught in Action?
Hsiang-Chih Hwang et al 2019 ApJ 872 144
Data from 1,222 late-type star-forming galaxies in the SDSS IV MaNGA survey reveals anomalously low-metallicity gas in 10% of the star-forming spaxels and in 25% of the galaxies in the sample.