• 18 Sco : a solar twin rich in refractory and neutron-capture elements, implications for chemical tagging 

      Meléndez, Jorge; Ramírez, Iván; Karakas, Amanda I.; Yong, David; Monroe, TalaWanda Rose; Bedell, Megan; Bergemann, Maria; Asplund, Martin; Maia, Marcelo Tucci; Bean, Jacob L.; Nascimento Júnior, José Dias do; Bazot, Michael; Alves-Brito, Alan; Freitas, Fabrício Catani de; Castro, Matthieu Sébastien (2014) [Artigo de periódico]
      We study with unprecedented detail the chemical composition and stellar parameters of the solar twin 18 Sco in a strictly differential sense relative to the Sun. Our study is mainly based on high-resolution (R ∼ 110,000), ...