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We present the Advanced Camera for Surveys Active Galactic Nuclei (ACS-AGN)Catalog, a catalog of 2585 active galactic nucleus (AGN) host galaxies that areat redshifts 0.2<z<2.5 and that were imaged with the Hubble Space Telescope'sAdvanced Camera for Surveys (ACS). Using the ACS General Catalog (ACS-GC) asour initial sample, we select an AGN subsample using Spitzer and Chandra dataalong with their respective established AGN selection criteria. We then gatherfurther multi-wavelength photometric data in order to construct spectral energydistributions (SEDs). Using these SEDs we are able to derive multiple AGN andhost galaxy properties, such as star formation rate, AGN luminosity, stellarmass, and nuclear column density. From these data, we show that AGN hostgalaxies tend to lie below the star-forming main sequence, with X-ray-selectedAGN host galaxies being more offset than IR-selected AGN host galaxies. Thissuggests that there is some process, possibly negative feedback, in AGN hostgalaxies causing decreased star formation. We also demonstrate that there is apositive trend between star formation rate and AGN luminosity in AGN hostgalaxies, in individual redshift bins and across all redshift bins, and thatboth are correlated with the stellar mass of their galaxies. This pointstowards an underlying link between the stellar mass, stellar growth, and SMBHgrowth in a galaxy.

A Catalog of AGN Host Galaxies Observed with HST/ACS: Correlations between Star Formation and AGN Activity