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Analysis of MERCATOR data Part I: variable B stars

P. De Cat, M. Briquet, C. Aerts, K. Goossens, S. Saesen, J. Cuypers, K. Yakut, R. Scuflaire, M. -A. Dupret, many observers

astro-pharXiv:astro-ph/0511209

Abstract

We re-classified 31 variable B stars which were observed more than 50 times in the Geneva photometric system with the P7 photometer attached to the MERCATOR telescope (La Palma) during its first 3 years of scientific observations. HD89688 is a possible beta Cephei/slowly pulsating B star hybrid and the main mode of the COROT target HD180642 shows non-linear effects. The Maia candidates are re-classified as either ellipsoidal variables or spotted stars. Although the mode identification is still ongoing, all the well-identified modes so far have a degree l = 0, 1 or 2.

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