Masses and Mass-to-Light Ratios of Early-Type Galaxies at High Redshift ? The Impact of Ultradeep FORS2 Spectroscopy

Details Masses and Mass-to-Light Ratios of Early-Type Galaxies at High Redshift ? The Impact of Ultradeep FORS2 Spectroscopy Masses and Mass-to-Light Ratios of Early-Type Galaxies at High Redshift ? The Impact of Ultradeep FORS2 Spectroscopy

Mar 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006msngr.123...45v&link_type=abstract

The Messenger, volume 123, page 45

Physics

Scientific paper

With FORS2 on the VLT we obtained ultradeep spectra of a sample of early-type galaxies at z ~ 1, which, together with high-resolution imaging from HST, provide dynamical masses. We study the evolution of the multi-wavelength photometric Fundamental Plane, including the rest-frame near-infrared, which places strong constraints on the formation and evolution of early-type galaxies as a function of mass and environment. Most prominently, we find that massive early-type galaxies formed early (at z> 2), independent of their large-scale environment.

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