THE PLANETARY HOST RED GIANT HD47536 - CHEMICAL COMPOSITION AND SIGNS OF ACCRETION

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dc.contributor.authorYushchenko, A. V.
dc.contributor.authorRittipruk, P.
dc.contributor.authorYushchenko, V. A.
dc.contributor.authorKang, Y.-W.
dc.date.accessioned2014-03-29T01:53:31Z
dc.date.available2014-03-29T01:53:31Z
dc.date.issued2013
dc.descriptionOdessa Astronomical publications / Одесская астроном. обсерватория . – Одесса : Астропринт, 2013 . – Vol.26/1.uk
dc.description.abstractThe spectra of HD47536 with resolving power R=30,000 and signal to noise ratio near 100 was obtained at 1.5 meter SMART telescope of CTIO, Chile. The analysis of chemical composition allowed to find the abundances of 33 chemical elements including thorium. The star belongs to halo or intermediate population, it’s metallicity is [Fe/H]=-0.58 0.11, the r- and s-processes elements are overabundant with respect to iron. The overabundance of thorium with respect to iron is +0.72 dex. The abundance pattern exhibits the clear signs of accretion. The star is a host of two planets, that is why it can be the result of the accretion in planetary system or the accretion of interstellar gas. The signs of accretion are clearly detected and prevent the determination of stellar age.uk
dc.identifier.citationOdessa Astronomical Publicationsuk
dc.identifier.urihttps://dspace.onu.edu.ua/handle/123456789/4786
dc.language.isoenuk
dc.publisherAstroprintuk
dc.relation.ispartofseries;vol. 26, issue 1, p. 131-136
dc.subjectstarsuk
dc.subjectlate-type - starsuk
dc.subjectindividualuk
dc.subjectHD 47536 – starsuk
dc.subjectabundances – starsuk
dc.subjectplanetary systemsuk
dc.titleTHE PLANETARY HOST RED GIANT HD47536 - CHEMICAL COMPOSITION AND SIGNS OF ACCRETIONuk
dc.typeArticleuk
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Odesa Astronomical Publications