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The Globular Clusters of M31: Keys to its Formation History

Published online by Cambridge University Press:  03 August 2017

Kathy Perrett ,
Terry Bridges ,
Dave Hanes ,
Mike Irwin ,
Dave Carter ,
Jean Brodie ,
John Huchra  and
Fred Watson
Kathy Perrett
Affiliation:
Physics Dept., Queen's University, Kingston, ON K7L 3N6, Canada
Terry Bridges
Affiliation:
Anglo-Australian Observatory, Epping, NSW, 1710 Australia
Dave Hanes
Affiliation:
Physics Dept., Queen's University, Kingston, ON K7L 3N6, Canada
Mike Irwin
Affiliation:
Institute of Astronomy, Cambridge University, Cambridge CB3 0HA, England, UK
Dave Carter
Affiliation:
Astrophysics Research Institute, Liverpool JMU, Twelve Quays House, Egerton Wharf, Birkenhead, CH41 1LD, England, UK
Jean Brodie
Affiliation:
Lick Observatory, University of California at Santa Cruz, Santa Cruz, CA 95064, USA
John Huchra
Affiliation:
Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA
Fred Watson
Affiliation:
Anglo-Australian Observatory, Coonabarabran, NSW, 2357 Australia

Abstract

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With the ultimate goal of distinguishing between various models describing the formation of galaxy halos (e.g., radial collapse, chaotic mergers), we present the results of a spectroscopic study of the globular cluster system of M31. We have obtained deep, intermediate-resolution spectra for several hundred of the M31 globular clusters using the WYFFOS fibre-fed spectrograph at the William Herschel Telescope. These observations have yielded precise radial velocities and metallicities for over 200 members of the M31 globular cluster population, the vast majority of which represent new data or significant improvements over pre-existing data.

Type
Part 1. The Star Clusters of Local Group Galaxies
Information
Symposium - International Astronomical Union , Volume 207: Extragalactic Star Clusters , 2002 , pp. 52 - 57
Copyright
Copyright © Astronomical Society of the Pacific 2002 

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