The Universality of the Fundamental Plane for Galaxies and Galaxy Systems: M/L

Details The Universality of the Fundamental Plane for Galaxies and Galaxy Systems: M/L The Universality of the Fundamental Plane for Galaxies and Galaxy Systems: M/L

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011rmxac..40...64i&link_type=abstract

XIII Latin American Regional IAU Meeting (Eds. W. J. Henney & S. Torres-Peimbert) Revista Mexicana de Astronomía y Astrofísica (

Astronomy and Astrophysics

Astronomy

Galaxies: Fundamental Parameters

Scientific paper

We present the results of a comprehensive study of the fundamental plane (FP) for stellar systems and galaxy systems. We have searched for variations of the FP and the mass-to-light ratio at different scales, which are indicative of variations in the Dark Matter distribution as a function of the scale. For this aim, we have analyzed in a homogeneous way data from objects whose scales varies from globular clusters to clusters of galaxies. We found that the mass-to-light ratios changes along the different scales. Therefore we suggest that groups dark halos are lost when they are incorporated into clusters of galaxies.

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