Mode Identification and Asteroseismic Modelling of δ Scuti Stars: the Cases of IM Tau and AI CVn

Details Mode Identification and Asteroseismic Modelling of δ Scuti Stars: the Cases of IM Tau and AI CVn Mode Identification and Asteroseismic Modelling of δ Scuti Stars: the Cases of IM Tau and AI CVn

Feb 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010vsgh.conf...83l&link_type=abstract

Variable Stars, the Galactic halo and Galaxy Formation, Proceedings of an international conference held in Zvenigorod, Russia, 1

Astronomy and Astrophysics

Astronomy

Scientific paper

The identification of spherical degrees and azimuthal orders of nonradial modes is an important task in the asteroseismic analysis of opacity driven pulsators. We performed mode identification based on phase differences and amplitude ratios between two photometric passbands for the δ Scuti stars IM Tau and AI CVn. In the case of IM Tau the mode identification puts strong constraints on asteroseismic models, whereas the constraints imposed by the identified modes in AI CVn are not strong enough to successfully model the pulsations.

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