The Puzzling Formation History of Early-Type Galaxies

Details The Puzzling Formation History of Early-Type Galaxies The Puzzling Formation History of Early-Type Galaxies

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21320104t&link_type=abstract

American Astronomical Society, AAS Meeting #213, #201.04; Bulletin of the American Astronomical Society, Vol. 41, p.265

Astronomy and Astrophysics

Astrophysics

Scientific paper

In times of precision cosmology, the formation and evolution of galaxies remains a key challenge in astrophysics. The star formation histories of early-type galaxies as derived from their stellar population properties point to puzzlingly early formation epochs and short formation timescales, which challenges our understanding of galaxy formation. Feedback from active central supermassive black holes is currently held as a promising candidate for regulating star formation in galaxies, and much observational effort is now being invested to constrain the physics of this process. I will discuss recent developments in the field and present new results on the link between AGN feedback and star formation in early-type galaxies from the Sloan Digital Sky Survey.

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