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PARSEC: stellar tracks and isochrones with the PAdova and TRieste Stellar Evolution Code

Monthly notices of the Royal Astronomical Society, 2012-11, Vol.427 (1), p.127-145 [Peer Reviewed Journal]

2012 RAS 2012 ;2012 The Authors Monthly Notices of the Royal Astronomical Society © 2012 RAS ;Monthly Notices of the Royal Astronomical Society © 2012 RAS ;ISSN: 0035-8711 ;EISSN: 1365-2966 ;DOI: 10.1111/j.1365-2966.2012.21948.x

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  • Title:
    PARSEC: stellar tracks and isochrones with the PAdova and TRieste Stellar Evolution Code
  • Author: Bressan, Alessandro ; Marigo, Paola ; Girardi, Léo ; Salasnich, Bernardo ; Dal Cero, Claudia ; Rubele, Stefano ; Nanni, Ambra
  • Subjects: Codes ; Evolutionary biology ; Hertzsprung‒Russell and colour magnitude diagrams ; Physics ; stars: evolution ; stars: interiors ; stars: low‐mass
  • Is Part Of: Monthly notices of the Royal Astronomical Society, 2012-11, Vol.427 (1), p.127-145
  • Description: Abstract We present the updated version of the code used to compute stellar evolutionary tracks in Padova. It is the result of a thorough revision of the major input physics, together with the inclusion of the pre-main sequence phase, not present in our previous releases of stellar models. Another innovative aspect is the possibility of promptly generating accurate opacity tables fully consistent with any selected initial chemical composition, by coupling the Opacity Project At Livermore (OPAL) data at high temperatures to the molecular opacities computed with our æsopus code. In this work, we present extended sets of stellar evolutionary models for various initial chemical compositions, while other sets with different metallicities and/or different distributions of heavy elements are being computed. For the present release of models, we adopt the solar distribution of heavy elements from the recent revision by Caffau et al., corresponding to a Sun's metallicity Z ≃ 0.0152. From all computed sets of stellar tracks, we also derive isochrones in several photometric systems. The aim is to provide the community with the basic tools to model star clusters and galaxies by means of population synthesis techniques.
  • Publisher: Oxford, UK: Blackwell Science Ltd
  • Language: English
  • Identifier: ISSN: 0035-8711
    EISSN: 1365-2966
    DOI: 10.1111/j.1365-2966.2012.21948.x
  • Source: Alma/SFX Local Collection
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