The Stellar Content of Fossil Galaxies

Details The Stellar Content of Fossil Galaxies The Stellar Content of Fossil Galaxies

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21743031h&link_type=abstract

American Astronomical Society, AAS Meeting #217, #430.31; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astronomy

Scientific paper

The true nature of fossil galaxies is yet to be determined. Originally
thought to represent the end-product of merging in galaxy groups, and
thereby a special class of objects, recent work has found few
differences when compared with field ellipticals. With this poster we
present a sample of 30 fossil galaxies (found within the XCS and the
SDSS) and the results of a study of their stellar populations and star-formation histories. Our results suggest that fossil
galaxies are more massive, older and more metal-rich than isolated
galaxies and are marginally so when compared with BCGs.

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