parsec evolutionary tracks of massive stars up to 350 M ⊙ at metallicities 0.0001 ≤ Z ≤ 0.04

University of Science and Technology of China · Scuola Internazionale Superiore di Studi Avanzati · +3 more institutions

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Abstract

We complement the <scp>parsec</scp> data base of stellar evolutionary tracks with new models of massive stars, from the pre-main-sequence phase to the central carbon ignition. We consider a broad range of metallicities, 0.0001 ≤ <it>Z</it> ≤ 0.04 and initial masses up to <it>M</it><inf>ini</inf> = 350 M<inf>⊙</inf>. The main difference with respect to our previous models of massive stars is the adoption of a recent formalizm accounting for the mass-loss enhancement when the ratio of the stellar to the Eddington luminosity, Γ<inf><it>e</it></inf>, approaches unity. With this new formalizm, the models are able to…

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