<i>HUBBLE SPACE TELESCOPE</i>OBSERVATIONS OF AN OUTER FIELD IN OMEGA CENTAURI: A DEFINITIVE HELIUM ABUNDANCE

201289 citationsJournal Articlebronze Open Access

Authors

I. R. King · University of Washington

L. R. Bedin · National Institute for Astrophysics

S. Cassisi · Collurania Teramo Observatory

A. P. Milone · Instituto de Astrofísica de Canarias

A. Bellini · Space Telescope Science Institute

G. Piotto · Osservatorio Astronomico di Padova

Jay Anderson

Abstract

We revisit the problem of the split main sequence (MS) of the globular cluster ω Centauri, and report the results of two-epoch Hubble Space Telescope observations of an outer field, for which proper motions give us a pure sample of cluster members, and a

Topics & Keywords

Stellar, planetary, and galactic studies Astro and Planetary Science Astrophysics and Star Formation Studies

Publication Details

Published in: The Astronomical Journal

Volume 144, Issue 1, pp. 5-5

DOI: 10.1088/0004-6256/144/1/5

Field-Weighted Citation Impact: 9.22

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<i>HUBBLE SPACE TELESCOPE</i>OBSERVATIONS OF AN OUTER FIELD IN OMEGA CENTAURI: A DEFINITIVE HELIUM ABUNDANCE

Authors

Abstract

Topics & Keywords

Publication Details