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Mass-to-Light Ratios of Early- and Late-Type Galaxies

Published online by Cambridge University Press:  26 May 2016

Tereasa G. Brainerd  and
Michael A. Specian
Tereasa G. Brainerd
Affiliation:
Boston University, Institute for Astrophysical Research, 725 Commonwealth Ave., Boston, MA, USA, 02215
Michael A. Specian
Affiliation:
Boston University, Institute for Astrophysical Research, 725 Commonwealth Ave., Boston, MA, USA, 02215

Abstract

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Using the 100k data release of the 2dF Galaxy Redshift Survey (2dFGRS), we obtain mass-to-light ratios for isolated “host” galaxies via the dynamics of satellite galaxies which orbit about them. Distinct differences are seen in the dependence of M/L on host luminosity for early-type vs. late-type hosts.

Type
Part 4: Lensing
Information
Symposium - International Astronomical Union , Volume 220: Dark Matter in Galaxies , 2004 , pp. 145 - 146
Copyright
Copyright © Astronomical Society of the Pacific 2004 

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