BAO angular scale at zeff = 0.11 with the SDSS blue galaxies E. de Carvalho, A. Bernui, F. Avila, C. P. Novaes and J. P. Nogueira-Cavalcante A&A, 649 (2021) A20 Published online: 03 May 2021 DOI: 10.1051/0004-6361/202039936