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Type of publication: Tezės Clarivate Analytics Web of Science ar/ir Scopus / Theses in Clarivate Analytics Web of Science and/or Scopus DB (T1a)
Field of Science: Astronomija / Astronomy (N008)
Author(s): Kučinskas, Arūnas;Dobrovolskas, Vidas;Černiauskas, Algimantas;Lazauskaitė, Romualda;Tanabé, Toshihiko
Title: Metallicities of intermediate-age and old star clusters in the Large Magellanic Cloud
Is part of: Star clusters : basic galactic building blocks throughout time and space : proceedings of the 266th symposium of the International Astronomical Union held in Rio de Janeiro, Brazil, 10-14 August 2009. Cambridge: Cambridge university press, 2009
Extent: p. 446-446
Date: 2010
Keywords: Magellanic Clouds;Galaxies: star clusters;Galaxies: abundances
ISBN: 9780521764995
Abstract: We derive photometric metallicities for 56 intermediate-age and old star clusters in the Large Magellanic Cloud from the slopes of their red-giant branches in near-infrared color–magnitude diagrams (CMDs). The cluster sample covers the LMC bar and disk to a distance of ~2 kpc from the LMC center. The derived cluster metallicity distribution spans a range of [Fe/H] = +0.0 . . . 1.4 and is similar to the metallicity distribution of field stars. We find that the average cluster metallicities in certain fields of the LMC bar and disk may be different, but there seems to be no compelling evidence for a global cluster metallicity gradient in the LMC
Affiliation(s): Vilniaus universitetas
Vilniaus universiteto Teorinės fizikos ir astronomijos institutas
Vytauto Didžiojo universitetas
Švietimo akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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