On the new late B- and early A-type periodic variable stars

We summarize the properties of the new periodic, small-amplitude, variable stars recently discovered in the open cluster NGC 3766. They are located in the region of the Hertzsprung-Russell diagram between δ Sct and slowly pulsating B stars, a region where no sustained pulsation is predicted by stand...

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Bibliographic Details
Published inProceedings of the International Astronomical Union Vol. 9; no. S301; pp. 43 - 46
Main Authors Mowlavi, Nami, Saesen, Sophie, Barblan, Fabio, Eyer, Laurent
Format Journal Article
LanguageEnglish
Published Cambridge, UK Cambridge University Press 01.08.2013
Subjects
Astronomy
Astrophysics
Contributed Papers
Mathematical models
Star & galaxy formation
Stars & galaxies
stars: pulsations
stars: variables
open clusters: NGC 3766
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Summary:We summarize the properties of the new periodic, small-amplitude, variable stars recently discovered in the open cluster NGC 3766. They are located in the region of the Hertzsprung-Russell diagram between δ Sct and slowly pulsating B stars, a region where no sustained pulsation is predicted by standard models. The origin of their periodic variability is currently unknown. We also discuss how the Gaia mission, launched at the end of 2013, can contribute to our knowledge of those stars.
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ISSN:1743-9213
1743-9221
DOI:10.1017/S1743921313014051