4.6 Article

Searching for solar siblings among the HARPS data

Journal

ASTRONOMY & ASTROPHYSICS
Volume 564, Issue -, Pages -

Publisher

EDP SCIENCES S A
DOI: 10.1051/0004-6361/201423645

Keywords

stars: abundances; stars: kinematics and dynamics; solar neighborhood

Funding

  1. European Research Council/European Community [239953]
  2. FCT (Portugal) [SFRH/BPD/70574/2010, SFRH/BPD/47611/2008, SFRH/BPD/76606/2011]
  3. FCT [IF/00169/2012, POPH/FSE (EC)]
  4. FEDER through the program Programs Operacional de Factores de Competitividade - COMPETE

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The search for solar siblings has been particularly fruitful in the past few years. At present, there are four plausible candidates reported in the literature: HIP21158, HIP87382, HIP47399, and HIP92831. In this study we conduct a search for solar siblings among the HARPS high-resolution FGK dwarfs sample, which includes precise chemical abundances and kinematics for 1111 stars. Using a new approach based on chemical abundance trends with condensation temperature, kinematics, and ages we found one (additional) potential solar sibling candidate: HIP97507.

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