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Theoretical colours and isochrones for some Hubble Space Telescope colour systemsSynthetic spectra for effective temperatures of 4000-7250 K, logarithmic surface gravities typical of dwarfs and subgiants, and metallicities from solar values to 0.001 of the solar metallicity were used to derive a grid of synthetic surface brightness magnitudes for 21 of the Hubble Space Telescope Wide Field Camera (WFC) band passes. The absolute magnitudes of these 21 band passes are also obtained for a set of globular cluster isochrones with different helium abundances, metallicities, oxygen abundances, and ages. The usefulness and efficiency of different sets of broad and intermediate bandwidth WFC colors for determining ages and metallicities for globular clusters are evaluated.
Document ID
19890056793
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Edvardsson, B.
(Maryland Univ. College Park, MD, United States)
Bell, R. A.
(Maryland, University College Park, United States)
Date Acquired
August 14, 2013
Publication Date
June 1, 1989
Publication Information
Publication: Royal Astronomical Society, Monthly Notices
Volume: 238
ISSN: 0035-8711
Subject Category
Astronomy
Accession Number
89A44164
Funding Number(s)
CONTRACT_GRANT: NSF AST-85-09915
CONTRACT_GRANT: NAGW-1004
Distribution Limits
Public
Copyright
Other

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