Probing the Formation of Elliptical Galaxies

Details Probing the Formation of Elliptical Galaxies Probing the Formation of Elliptical Galaxies

Dec 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aas...193.0901s&link_type=abstract

American Astronomical Society, 193rd AAS Meeting, #09.01; Bulletin of the American Astronomical Society, Vol. 30, p.1260

Astronomy and Astrophysics

Astronomy

1

Scientific paper

Studies of the evolution of the fundamental plane of elliptical galaxies as a function of redshift indicate that their stellar population formed at high redshift. However, the early formation of stellar populations can still be fitted into a hierarchical clustering model, where galaxies are assembled much later than their stars. Finding (or not finding) ellipticals at high redshift would be a much more direct and conclusive test for formation theories. We present here evidence that some ellipticals were already assembled at high redshift (z =~ 2).

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