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Globular clusters and dwarf spheroidal galaxies

Name: Globular clusters and dwarf spheroidal galaxies
Creator: Sidney van den Bergh
Keywords: Astrophysics (astro-ph), 0103 physical sciences, FOS: Physical sciences, Astrophysics, 01 natural sciences

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Other literature type 01 Mar 2008Embargo end date: 01 Jan 2007Publisher:Oxford University Press (OUP)Journal:Monthly Notices of the Royal Astronomical Society: Letters, volume 385, pages L20-L22 (issn: 1745-3925, eissn: 1745-3933,

Authors: Sidney van den Bergh;

doi: 10.1111/j.1745-3933.2008.00424.x , 10.48550/arxiv.0711.4795

arXiv: http://arxiv.org/abs/0711.4795

Globular clusters and dwarf spheroidal galaxies

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Abstract

Abstract Traditionally, globular clusters and dwarf spheroidal galaxies have been distinguished by using one or more of the following criteria: (i) mass, (ii) luminosity, (iii) size, (iv) mass-to-light ratio and (v) spread in metallicity. However, a few recently discovered objects show some overlap between the domains in parameter space that are occupied by galaxies and clusters. In this Letter, it is shown that ellipticity can, in some cases, be used to help distinguish between globular clusters and dwarf spheroidal galaxies.

Related Organizations

Herzberg Institute of Astrophysics
Canada
National Research Council Canada
Canada

Keywords

Astrophysics (astro-ph), FOS: Physical sciences, Astrophysics

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NEANIAS Space Research Community