The thick disk rotation-metallicity correlation as a fossil of an “inverse chemical gradient” in the early Galaxy⋆

Author： Curir A.   Lattanzi M. G.   Spagna A.   Matteucci F.   Murante G.   Re Fiorentin P.   Spitoni E.  

Publisher： Edp Sciences

E-ISSN： 1432-0746|545|issue|A133-A133

ISSN： 0004-6361

Source： Astronomy & Astrophysics, Vol.545, Iss.issue, 2012-09, pp. : A133-A133

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Abstract

Context. The thick disk rotation-metallicity correlation, ∂Vφ/∂[Fe/H]  = 40 ÷ 50 km s-1 dex-1 represents an important signature of the formation processes of the galactic disk.

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