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2002MNRAS.336..276D - Mon. Not. R. Astron. Soc., 336, 276-282 (2002/October-2)
On the reliability of the semi-empirical RR Lyrae period-V -band luminosity-blue amplitude relation.
DE SANTIS R. and CASSISI S.
Abstract (from CDS):
By applying the semi-empirical period-V -band luminosity-blue amplitude relation, as well as the technique proposed recently by Cassisi, De Santis & Piersimoni, to the globular cluster ω Cen, we show that the empirical slope of the relationship between the mass of the fundamental RR Lyrae pulsators and their metallicity is in fair agreement with the one predicted by updated evolutionary models for horizontal branch stars.
Abstract Copyright: RAS
Journal keyword(s): stars: distances - stars: evolution - stars: horizontal branch - stars: variables: other - globular clusters: general - globular clusters: individual: ω Cen
Simbad objects: 19
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