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Accurate active galactic nucleus (AGN) identifications and spatially resolvedhost galaxy properties are a powerful combination for studies of the role ofAGNs and AGN feedback in the coevolution of galaxies and their centralsupermassive black holes. Here, we present robust identifications of 406 AGNsin the first 6261 galaxies observed by the integral field spectroscopy surveyMapping Nearby Galaxies at Apache Point Observatory (MaNGA). Instead of usingoptical line flux ratios, which can be difficult to interpret in light of theeffects of shocks and metallicity, we identify the AGNs via mid-infrared WISEcolors, Swift/BAT ultra hard X-ray detections, NVSS and FIRST radioobservations, and broad emission lines in SDSS spectra. We subdivide the AGNsinto radio-quiet and radio-mode AGNs, and examine the correlations of the AGNclasses with host galaxy star formation rates and stellar populations. Whencompared to the radio-quiet AGN host galaxies, we find that the radio-mode AGNhost galaxies reside preferentially in elliptical galaxies, lie further beneaththe star-forming main sequence (with lower star formation rates at fixed galaxymass), have older stellar populations, and have more negative stellar agegradients with galactocentric distance (indicating inside-out quenching of starformation). These results establish a connection between radio-mode AGNs andthe suppression of star formation.

A Catalog of 406 AGNs in MaNGA: A Connection between Radio-mode AGN and Star Formation Quenching