The nature of the Galactic bulge

descriptionPublicationkeyboard_double_arrow_right Part of book or chapter of book , Article 01 Dec 1988 English Publisher:Springer Berlin HeidelbergJournal:Monthly Notices of the Royal Astronomical Society, volume 235, pages 1,025-1,047 (issn: 0035-8711, eissn: 1365-2966,

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Authors: Robin Harmon; Gerard Gilmore;

doi: 10.1007/bfb0118794 , 10.1093/mnras/235.3.1025

The nature of the Galactic bulge

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Abstract

The bulge of the Galaxy as seen by IRAS forms a spatially concentrated system of long period cool variable stars. From the period distribution we show that a significant fraction of the IRAS bulge is younger than the globular cluster system. Thus the metal rich stars in the central ∼1 kpc of the Galaxy are not obviously part of the extended stellar spheroid.

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University of Cambridge
United Kingdom
Institute of Astronomy
Russian Federation

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