New PARSEC database of alpha enhanced stellar evolutionary tracks and isochrones for Gaia. Issue Volume 11:Issue A29B(2015) (27th October 2016)

• Record Type: Journal Article
• Authors: Fu, Xiaoting; Bressan, Alessandro; Marigo, Paola; Girardi, Léo; Montalban, Josefina; Chen, Yang; Nanni, Ambra; Lanza, Antonio
• Editors: Benvenuti, Piero
• Is Part Of: Proceedings of the International Astronomical Union. Volume 11:Issue A29B(2015)
• Page Start: 144
• Page End: 146
• Publication Date: 2016-10-27
• Subjects: stars: evolution, -- stars: Hertzsprung-Russell diagram, -- stars: low-mass, -- stars: interiors, -- stars: abundances; Astronomy -- Congresses; Astronomy -- Periodicals; 520
• DOI: 10.1017/S1743921316004634
• Languages: English
• ISSNs: 1743-9213

Abstract

Abstract: We present a new database of alpha enhanced evolutionary tracks and isochrones, computed with PARSEC (the PAdova & TRieste Stellar Evolution Code). The new isochrones are tested against Color-Magnitude Diagrams of well studied Globular Clusters, tacking into account multiple population effects. They are also compared with observations of dwarf stars in the Solar vicinity. After these preliminary computations, we will provide the full sets of isochrones with chemical compositions suitable for Globular Clusters and Bulge stars, that will be fully implemented into galaxy simulators. We will also provide new models suitable for the analysis of unresolved stellar populations in early type galaxies.