Central enhancement of the nitrogen-to-oxygen abundance ratio in barred galaxies⋆⋆

Author: Florido E.   Zurita A.   Pérez I.   Pérez-Montero E.   Coelho P. R. T.   Gadotti D. A.  

Publisher: Edp Sciences

E-ISSN: 1432-0746|584|issue|A88-A88

ISSN: 0004-6361

Source: Astronomy & Astrophysics, Vol.584, Iss.issue, 2015-12, pp. : A88-A88

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Abstract

Context. Bar-induced gas inflows towards galaxy centres are recognised as a key agent for the secular evolution of galaxies. One immediate consequence of this inflow is the accumulation of gas in the centre of galaxies where it can form stars and alter the chemical and physical properties.