Multiplicity-Study of Exoplanet Host Stars

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dc.creatorMugrauer, M.
dc.creatorNeuhäuser, R.
dc.creatorMazeh, T.
dc.creatorGuenther, E.
dc.date2005-12-05
dc.date.accessioned2026-07-07T06:49:01Z
dc.date.available2026-07-07T06:49:01Z
dc.descriptionWe carry out a systematic search campaign for wide companions of exoplanet host stars to study their multiplicity and its influence on the long-term stability and the orbital parameters of the exoplanets. We have already found 6 wide companions, raising the number of confirmed binaries among the exoplanet host stars to 20 systems. We have also searched for wide companions of Gl86, the first known exoplanet host star with a white dwarf companion. Our Sofi/NTT observations are sensitive to substellar companions with a minimum-mass of 35 Mjup and clearly rule out further stellar companions with projected separations between 40 and 670AU.
dc.description3 pages, 1 figure
dc.identifierhttps://arxiv.org/abs/astro-ph/0512105
dc.identifierhttp://arxiv.org/abs/astro-ph/0512105
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/104183
dc.subjectAstrophysics
dc.titleMultiplicity-Study of Exoplanet Host Stars
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