Systems of galaxies in the Sloan Digital Sky Survey: the fundamental plane

Authors


E-mail: euge@mail.oac.uncor.edu

ABSTRACT

We analyse a subsample of the galaxy groups recently obtained by Merchán & Zandivarez from the SDSS DR3 to study the fundamental plane and the mass-to-light ratio of galaxy groups. We find a fundamental plane given by LRR1.3σ0.7. We do not find differences when different dynamical states or redshift ranges are analysed. We find that the mass-to-light ratio increases with group mass as M/LRM0.36.

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