Reference : NIR interferometric observations of massive hierarchical triple systems: Tr16-104 and...
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Physical, chemical, mathematical & earth Sciences : Space science, astronomy & astrophysics
NIR interferometric observations of massive hierarchical triple systems: Tr16-104 and HD150136
Gosset, Eric mailto [Université de Liège - ULiège > > Groupe d'astrophysique des hautes énergies (GAPHE) >]
Le Bouquin, Jean-Baptiste [Institut d'Astrophysique et de Planétologie de Grenoble, St Martin d'Hères, France > CNRS-UJF UMR 5571 > > >]
Absil, Olivier mailto [Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astroph. extragalactique et observations spatiales (AEOS) >]
Southworth, John [Keele University, Staffordshire, ST5 5BG, United Kingdom > Astrophysics Group > > >]
Binary Systems: their Evolution and Environments
de Grijs, Richard
Binary Systems: their Evolution and Environments
from 1 to 5 September 2014
Richard de Grijs and Licai Deng
Ulaanbaatar (Mongolia-Japan Centre)
[en] We report on an observational astrometric study of the orbit of the tertiary stars in two massive hierarchical triple systems. The work is complemented by radial velocity data with the aim of deriving the full 3D orbit and constraints on the orbital planes. This is the first report of the tertiary star's detection for Tr16-104. The work is a natural extension of the search for binaries among massive O-stars. The basic motivation of the study of hierarchical triple systems is the determination of the masses of the individual components and the derivation of the relative orientation of the two orbital planes, with the ultimate aim of understanding the related star formation processes.
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