On the behaviour of B and Be stars at low metallicity

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dc.creatorMartayan, Christophe
dc.creatorFremat, Yves
dc.creatorHubert, Anne-Marie
dc.creatorFloquet, Michele
dc.creatorNeiner, Coralie
dc.creatorZorec, Jean
dc.creatorBaade, Dietrich
dc.creatorGutiérrez-Soto, Juan
dc.creatorFabregat, Juan
dc.creatorMekkas, Malek
dc.date2007-09-18
dc.date2007-09-19
dc.date.accessioned2026-07-07T08:30:27Z
dc.date.available2026-07-07T08:30:27Z
dc.descriptionWe present new results obtained with the VLT GIRAFFE for a large sample of B and Be stars belonging to the Magellanic Clouds, i.e. at low metallicity. First, we show the effects of the metallicity of the environment on their rotation (linear, angular, and at the ZAMS). Second, we present the analysis of the effects of metallicity and evolution on the appearance of Be stars. We also new present results about the proportions of Be stars to B stars. Third, by cross-correlation with large photometric surveys such as MACHO and OGLE, we report on the detection for the first time of short-term multi-periodicity in 9 Be stars in the Small Magellanic Cloud, which can be interpreted in terms of pulsations.
dc.descriptionsf2a 2007 PNPS
dc.identifierhttps://arxiv.org/abs/0709.2820
dc.identifierhttp://arxiv.org/abs/0709.2820
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/138247
dc.subjectAstrophysics
dc.titleOn the behaviour of B and Be stars at low metallicity
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