Interactions, Star Formation, and AGN Activity

Details Interactions, Star Formation, and AGN Activity Interactions, Star Formation, and AGN Activity

Oct 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aspc..408..347l&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

Scientific paper

We study the correlation of tidal interactions with star formation and AGN activity in galaxies using data from the Sloan Digital Sky Survey (SDSS). We show that specific star formation rates of galaxies are higher if they have close companions, but the accretion rate onto the black hole is not influenced by the presence or absence of companions. This indicates that star formation induced by a close companion and star formation associated with black hole accretion are distinct events. These events may be part of the same physical process, for example a merger, provided they are separated in time. In this case, accretion onto the black hole and its associated star formation would occur only after the two interacting galaxies have merged.

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