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A box full of chocolates: The rich structure of the nearby stellar halo revealed by Gaia and RAVE

Author： Helmi Amina Veljanoski Jovan Breddels Maarten A. Tian Hao Sales Laura V.

Publisher： Edp Sciences

E-ISSN： 1432-0746|598|issue|A58-A58

ISSN： 0004-6361

Source： Astronomy & Astrophysics, Vol.598, Iss.issue, 2017-01, pp. : A58-A58

Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.

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Abstract

Context. The hierarchical structure formation model predicts that stellar halos should form, at least partly, via mergers. If this was a predominant formation channel for the Milky Way’s halo, imprints of this merger history in the form of moving groups or streams should also exist in the vicinity of the Sun.

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