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Issue A&A
Volume 388, Number 2, June III 2002
Page(s) L37 - L39
Section Letters
DOI http://dx.doi.org/10.1051/0004-6361:20020632



A&A 388, L37-L39 (2002)
DOI: 10.1051/0004-6361:20020632

Letter

The MAIA candidate star HD 208727

T. Kallinger, P. Reegen and W. W. Weiss

Institute for Astronomy (IfA), University of Vienna, Tuerkenschanzstrasse 17, 1180 Vienna, Austria

(Received 13 March 2002 / Accepted 23 April 2002)

Abstract
HD 208727 is a suspected member of the enigmatic MAIA variables and shows the largest yet observed amplitude in light variation for any of the potential members. Proven beyond doubt pulsation would pose a serious problem for stellar modelling and opacities, because either opacity source for driving pulsation has to be a different or new identified, yet unkown, pulsation mechanism. We conclude from our investigation that rotation is a more likely explanation for the light variability of HD 208727.


Key words: stars: variables: general -- stars: fundamental parameters: radii -- stars: individual: HD 208727

Offprint request: T. Kallinger, kallinger@astro.univie.ac.at

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