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We use SDSS spectra and optical to far-infrared photometry for a sample of 31FeLoBAL QSOs to study the relationship between the AGN-driven outflows, andobscured star formation in their host galaxies. We find that FeLoBAL QSOsinvariably have IR luminosities exceeding 10^12 Solar luminosities. The AGNsupplies 75% of the total IR emission, on average, but with a range from 20% to100%. We find a clear anticorrelation between the strength of the AGN-drivenoutflows and the contribution from star formation to the total IR luminosity,with a much higher chance of seeing a starburst contribution in excess of 25%in systems with weak outflows than in systems with strong outflows. Moreover,we find no evidence that this effect is driven by the IR luminosity of the AGN.We conclude that radiatively driven outflows from AGN act to curtail obscuredstar formation in the host galaxies of reddened QSOs to less than ~25% of thetotal IR luminosity. This is the most direct evidence yet obtained for `quasarmode' AGN feedback.

Direct Evidence for Termination of Obscured Star Formation by Radiatively Driven Outflows in FeLoBAL QSOs