@Article{CarvalhoBerAviNovNog:2021:BAAnSc,
               author = "Carvalho, Edilson de and Bernui, Armando and Avila, Felipe and 
                         Novaes, Camila Paiva and Nogueira Cavalcante, J. P.",
          affiliation = "{Universidade do Estado do Amazonas (UEA)} and {Observat{\'o}rio 
                         Nacional} and {Observat{\'o}rio Nacional} and {Instituto Nacional 
                         de Pesquisas Espaciais (INPE)} and {Observat{\'o}rio Nacional}",
                title = "BAO angular scale at z eff= 0.11 with the SDSS blue galaxies",
              journal = "Astronomy \& Astrophysics",
                 year = "2021",
               volume = "649",
                month = "May",
             keywords = "Cosmological parameters, Cosmology: observations, Large-scale 
                         structure of Universe.",
             abstract = "Aims. We measure the transverse baryon acoustic oscillations (BAO) 
                         signal in the local Universe using a sample of blue galaxies from 
                         the Sloan Digital Sky Survey (SDSS) survey as a cosmological 
                         tracer. Methods. The method is weakly dependent on a cosmological 
                         model and is suitable for 2D analyses in thin redshift bins to 
                         investigate the SDSS data in the interval z [0.105, 0.115]. 
                         Results. We detect the transverse BAO signal \θBAO = 
                         19.8°±1.05° at zeff = 0.11, with a statistical significance of 
                         2.2\σ. Additionally, we perform tests that confirm the 
                         robustness of this angular BAO signature. Supported by a large set 
                         of log-normal simulations, our error analyses include statistical 
                         and systematic contributions. In addition, considering the sound 
                         horizon scale calculated by the Planck Collaboration, rsPlanck, 
                         and the \θBAO value obtained here, we obtain a measurement 
                         of the angular diameter distance DA(0.11) =258.31 ± 13.71 h-1 Mpc. 
                         Moreover, combining this \θBAO measurement at low redshift 
                         with other BAO angular scale data reported in the literature, we 
                         perform statistical analyses for the cosmological parameters of 
                         some Lambda cold dark matter type models.",
                  doi = "10.1051/0004-6361/202039936",
                  url = "http://dx.doi.org/10.1051/0004-6361/202039936",
                 issn = "0004-6361 and 1432-0746",
             language = "en",
           targetfile = "carvalho_bao.pdf",
        urlaccessdate = "29 jun. 2024"
}