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Sun-like stars unlike the Sun: Clues for chemical anomaliesof cool stars

V. Zh. Adibekyan, E. Delgado Mena, S. Feltzing, J. I. GonzŠlez HernŠndez, N. R. Hinkel, A. J. Korn, M. Asplund, P. G. Beck, M Deal, B. Gustafsson, S. Honda, P.E. Nissen, L. Spina

Abstract
We present a summary of the splinter session Sun-like stars unlike the Sun that was held on June 9, 2016, as part of the Cool Stars 19 conference (Uppsala, Sweden), in which the main limitations (in the theory and observations) in the derivation of very precise stellar parameters and chemical abundances of Sun-like stars were discussed. The most important and most debated processes that can produce chemical peculiarities in solar-type stars were outlined and discussed. Finally, in an open discussion between all the participants, we tried to identify new pathways and prospects toward future solutions of the currently open questions.

Keywords
stars: abundances – stars: chemically peculiar – (stars:) planetary systems – Galaxy: abundances – (Galaxy:) solar neighborhood

Astronomische Nachrichten
Volume 338, Number 4, Page 442
2017 May

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Instituto de Astrof√≠sica e Ci√™ncias do Espa√ßo Universidade do Porto Faculdade de Ciências da Universidade de Lisboa Funda√ß√£o para a Ci√™ncia e a Tecnologia