ASTROPHYSICAL JOURNAL LETTERS ASTROPHYSICAL JOURNAL LETTERS ALMA Discovery of Dust Belts around Proxima Centauri Anglada G. Amado P.J. Ortiz J.L. Gómez J.F. MacIas E. Alberdi A. Osorio M. Gómez J.L. Gregorio-Monsalvo I.D. Pérez-Torres M.A. Universidad de Zaragoza Anglada-Escudé G. Berdinas Z.M. Jenkins J.S. Jimenez-Serra I. Lara L.M. López-González M.J. López-Puertas M. Morales N. Ribas I. Richards A.M.S. Rodriguez-López C. Rodriguez E. 2017 research-article