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Ultraviolet colors of old LMC clustersNew ultraviolet spectra for five red LMC globular clusters have been obtained with IUE. These have been supplemented with archival spectra for eleven old LMC clusters. These data strengthen and extend the UV-color versus age relation for clusters older than about 10 exp 9 yr, but do not offer much precision in age determination, presumably because the ultraviolet colors of the oldest clusters depend strongly on the horizontal-branch morphology. Comparison of LMC data with UV colors for the brightest M31 clusters suggests their ages might be only a few gigayears.
Document ID
19930038246
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Cowley, A. P.
(Arizona State Univ. Tempe, United States)
Hartwick, F. D. A.
(Victoria Univ. Canada)
Date Acquired
August 16, 2013
Publication Date
December 1, 1992
Publication Information
Publication: Astronomical Society of the Pacific, Publications
Volume: 104
Issue: 682
ISSN: 0004-6280
Subject Category
Astrophysics
Accession Number
93A22243
Funding Number(s)
CONTRACT_GRANT: NAG8-756
Distribution Limits
Public
Copyright
Other

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