Eclipsing binaries in the galactic globular cluster Omega Centauri

Calamida, A.; Bono, G.; Buonanno, R.; Corsi, C. E.; Monelli, M.; dall'Ora, M.; Freyhammer, L. M.; Munteanu, A.
Referencia bibliográfica

INTERACTING BINARIES: Accretion, Evolution, and Outcomes. AIP Conference Proceedings, Volume 797, pp. 61-67 (2005).

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We present a photometric survey aimed at the identification of variable stars in the galactic globular cluster ω Cen. Our photometric catalogue is based on ~ 400 exposures of the central region of the cluster(Fov ~ 15' × 15') collected with the Danish Telescope. The catalogue has an accuracy of about ~ 0.02 mag at B ~ 18 mag. We present here preliminary results concerning the possible identification of two variable stars and an eclipsing binary candidate in ω Cen.