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Properties of Massive Stars in VVV Clusters

Authors :: J. C. Bouret
Fabrice Martins
André-Nicolas Chené
J. Borrissova
Anthony Hervé
Laboratoire Univers et Particules de Montpellier (LUPM)
Université Montpellier 2 - Sciences et Techniques (UM2)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)
Laboratoire d'Astrophysique de Marseille (LAM)
Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)
Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Aix Marseille Université (AMU)-Centre National d'Études Spatiales [Toulouse] (CNES)
Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)
Source :: The Physics of Evolved Stars: A Conference Dedicated to the Memory of Olivier Chesneau, The Physics of Evolved Stars: A Conference Dedicated to the Memory of Olivier Chesneau, Jun 2015, Nice, France. pp.337-338, ⟨10.1051/eas/1571079⟩
Publication Year :: 2015
Publisher :: HAL CCSD, 2015.
Abstract: The evolution of massive stars is only partly understood. Observational constraints can be obtained from the study of massive stars located in young massive clusters. The ESO Public Survey VISTA Variables in the Via Lactea (VVV) discovered several new clusters hosting massive stars (Borrissova et al . [1]). We derive the stellar parameters of all targets as well as surface abundances for a subset of them. For the cluster with the largest number of objects, we establish firmly that the WN and WC stars were initially more massive than the O stars still present in the cluster.

Details

Language :: English
Database :: OpenAIRE
Journal :: The Physics of Evolved Stars: A Conference Dedicated to the Memory of Olivier Chesneau, The Physics of Evolved Stars: A Conference Dedicated to the Memory of Olivier Chesneau, Jun 2015, Nice, France. pp.337-338, ⟨10.1051/eas/1571079⟩
Accession number :: edsair.doi.dedup.....0a7e0703e4457c30506de10223e74997
Full Text :: https://doi.org/10.1051/eas/1571079⟩