Accurate ρ̄ and log g of δ Sct stars using Asteroseismology García Hernández, Antonio Monteiro, Mário J.P.F.G. Guo, Zhao Reese, Daniel R. Suárez Yanes, Juan Carlos Martín, Susana Pascual Granado, Javier Moya, Andrés Garrido, Rafael In this work, we present a new method to determine the surface gravity of δ Sct stars. We used a refined Δν=ρ̄ relation and the stellar parallaxes or luminosities to determine their masses and radii. A comparison with the data obtained from the binary analysis, has shown that the values found by both methods are equivalent, within the uncertainties. Moreover, thanks to the refined relation, the uncertainties in log g are of the order of those usually estimated with high-resolution spectroscopy. Because of that, this new method to determine the surface gravity is an important step forward to break the degeneracy problem in the spectroscopic analysis. 2018-06-07T10:27:04Z 2018-06-07T10:27:04Z 2017 journal article García Hernández, Antonio: et. al. Accurate ρ̄ and log g of δ Sct stars using Asteroseismology. EPJ Web of Conferences 160, 03003 (2017) [http://hdl.handle.net/10481/51277] http://hdl.handle.net/10481/51277 10.1051/epjconf/201716003003 eng info:eu-repo/grantAgreement/EC/FP7/312844 http://creativecommons.org/licenses/by/3.0/es/ open access Atribución 3.0 España EDP Sciences