Abstract

AbstractThe question of the existence of the pre‐main sequence (PMS) γ Doradus (γ Dor) pulsators has been raised by observations of young clusters such as NGC 884 hosting γ Dor members. We have explored the properties ofγ Dor‐type pulsations with a grid of PMS models covering the mass range 1.2 < M*/M⊙ < 2.5 and we derive the theoretical instability strip (IS) for the PMS γ Dor pulsators. We explore the possibility of distinguishing between PMS and MS γ Dor by the behaviour of the period spacing of their high order gravity modes (g‐modes) (© 2010 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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