Monthly Notices of the Royal Astronomical Society Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2017, 468 (1), pp.662-684. ⟨10.1093/mnras/stx394⟩ Mon.Not.Roy.Astron.Soc. Mon.Not.Roy.Astron.Soc., 2017, 468 (1), pp.662-684. ⟨10.1093/mnras/stx394⟩ Monthly Notices of the Royal Astronomical Society, 2017, 468 (1), pp.662-684. ⟨10.1093/mnras/stx394⟩ Mon.Not.Roy.Astron.Soc., 2017, 468 (1), pp.662-684. 〈10.1093/mnras/stx394〉