Monthly Notices of the Royal Astronomical Society Monthly Notices of the Royal Astronomical Society, 2015, 456 (1), pp.2-22. ⟨10.1093/mnras/stv2568⟩ Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2015, 456 (1), pp.2-22. ⟨10.1093/mnras/stv2568⟩ Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual) Universidade de São Paulo (USP) instacron:USP Monthly Notices of the Royal Astronomical Society, 456(1), 2-22. Oxford University Press