Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aspc..408....3s&link_type=abstract
The Starburst-AGN Connection. ASP Conference Series, Vol. 408, proceedings of the conference held 27-31 October 2008, at Shangha
Astronomy and Astrophysics
Astronomy
2
Scientific paper
Luminous Infrared Galaxies (LIRGs) represent perhaps the most powerful examples of a connection between the fueling of starbursts and active galactic nuclei (AGNs). Major mergers of gas-rich spirals, which are now understood to trigger the majority of LIRGs, drive the bulk of the disk gas into the central kpc of the merger pair, where it provides fuel for both powerful nuclear starbursts and accretion onto a central massive black hole. The combined feedback from starburst and accretion luminosity eventually expels the gas, shutting down nuclear activity and leaving a gas-poor elliptical. Although there is now general agreement on the origin and evolutionary scenario for LIRGs, the detailed time evolution of starburst activity and black hole growth is still not well understood. We review the basic properties of LIRGs as determined from extensive multi-wavelength studies of a complete sample of local objects, and introduce new results from initial observations of fainter more distant LIRGs detected in the Spitzer survey of the HST-COSMOS 2-deg^2 Field.
Vivian U.
Armus Lee
Evans Aaron S.
Kartaltepe Jeyhan S.
Kewley Lisa J.
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