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Are “U-shape” age profiles a universal feature in spiral galaxies?

Published online by Cambridge University Press:  21 March 2017

Estrella Florido ,
Tomás Ruiz-Lara ,
Gareth Few ,
Brad Gibson ,
Isabel Pérez ,
Ivan Minchev  and
Patricia Sánchez-Blázquez
Estrella Florido
Affiliation:
Dpto. de Física Teórica y del Cosmos, Universidad de Granada, Campus de Fuentenueva, E-18071 Granada, Spain. email: estrella@ugr.es, ruizlara@ugr.es, isa@ugr.es Instituto Carlos I de Física Teórica y computacional, Universidad de Granada, E-18071
Tomás Ruiz-Lara
Affiliation:
Dpto. de Física Teórica y del Cosmos, Universidad de Granada, Campus de Fuentenueva, E-18071 Granada, Spain. email: estrella@ugr.es, ruizlara@ugr.es, isa@ugr.es Instituto Carlos I de Física Teórica y computacional, Universidad de Granada, E-18071
Gareth Few
Affiliation:
School of Physics, University of Exeter, Stocker Road, Exeter EX4 4QL, UK
Brad Gibson
Affiliation:
E.A. Milne Centre for Astrophysics, Department of Physics & Mathematics, University of Hull, Hull, HU6 7RX, UK
Isabel Pérez
Affiliation:
Dpto. de Física Teórica y del Cosmos, Universidad de Granada, Campus de Fuentenueva, E-18071 Granada, Spain. email: estrella@ugr.es, ruizlara@ugr.es, isa@ugr.es Instituto Carlos I de Física Teórica y computacional, Universidad de Granada, E-18071
Ivan Minchev
Affiliation:
Leibniz-Institut für Astrophysik Potsdam, An der Sternwarte 16, 14482 Potsdam, Germany
Patricia Sánchez-Blázquez
Affiliation:
Dpto. de Física Teórica, Universidad Autónoma de Madrid, E-28049 Cantoblanco, Spain
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In this work we study the effect of satellite accretion on the building-up of the radial stellar age distribution in the discs of spiral galaxies. In addition, we analyse its effect on other chemical and dynamical properties of these systems up to their outskirts.

References

Few, C. G., Gibson, B. K., Courty, S., Michel-Dansac, L., Brook, C. B., & Stinson, G. S. 2012, A&A, 547, A63 Google Scholar
Ruiz-Lara, T., Few, C. G., Gibson, B. K., Pérez, I., Florido, E., Minchev, I., & Sánchez-Blázquez, P. 2016, A&A, 586, A112 Google Scholar