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Hot exozodiacal dust resolved around Vega with IOTA/IONIC

Author: Defrère D.   Absil O.   Augereau J.-C.   di Folco E.   Berger J.-P.   Coudé du Foresto V.   Kervella P.   Le Bouquin J.-B.   Lebreton J.   Millan-Gabet R.   Monnier J. D.   Olofsson J.   Traub W.  

Publisher: Edp Sciences

E-ISSN: 1432-0746|534|issue|A5-A5

ISSN: 0004-6361

Source: Astronomy & Astrophysics, Vol.534, Iss.issue, 2011-09, pp. : A5-A5

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Abstract

Context. Although debris discs have been detected around a significant number of main-sequence stars, only a few of them are known to harbour hot dust in their inner part where terrestrial planets may have formed. Thanks to infrared interferometric observations, it is possible to obtain a direct measurement of these regions, which are of prime importance for preparing future exo-Earth characterisation missions.

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