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Mass-Luminosity Ratios and Sizes of Giant Elliptical Galaxies
Published online by Cambridge University Press: 14 August 2015
Abstract
Observations of velocity dispersion and of light distribution at the centers of 22 galaxies, mostly ellipticals give M/L values of 15 to 40 for giants of all luminosities with smaller values for intrinsically faint galaxies. Core radii within which surface brightness drops by a factor of two are typically 50–100 pc with a range from 2 to several hundred parsecs. Elliptical galaxies fit the modified isothermal models used for clusters, while later types have a flatter density gradient. Complete results will be published elsewhere.
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- Copyright © Reidel 1972