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An Improved Distance Indicator for Elliptical Galaxies

Djorgovski, S. and Davis, Marc (1986) An Improved Distance Indicator for Elliptical Galaxies. In: Galaxy Distances and Deviations from Universal Expansion. NATO ASI Series. No.180. Springer , Dordrecht, pp. 135-138. ISBN 978-94-010-8591-5.

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We present a new relation between velocity dispersion, surface brightness, and radius (or luminosity) for elliptical galaxies. Relative distances of galaxies can be estimated to within 0.13 in log D. Most or all of that uncertainity is due to the measurement errors, and it may be reduced further. Our analysis shows that the elliptical galaxies are at least a three-parameter family. We discuss briefly the implications for theories of galaxy formation.

Item Type:Book Section
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Djorgovski, S.0000-0002-0603-3087
Additional Information:© 1986 D. Reidel Publishing Company.
Subject Keywords:Velocity Dispersion; Surface Brightness; Line Strength; Elliptical Galaxy; Galaxy Formation
Series Name:NATO ASI Series
Issue or Number:180
Record Number:CaltechAUTHORS:20190730-134541007
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:97525
Deposited By: Tony Diaz
Deposited On:01 Aug 2019 20:31
Last Modified:16 Nov 2021 17:32

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