Lithium abundances and extra mixing processes in evolved stars of M 67

2011/01/11 by B. L. Canto Martins, A. Lèbre, A. Palacios +7
Physics and Astronomy · #Abundance (ecology) #Angular momentum #Astronomy #Astronomy and Astrophysical Research #Astrophysics #Astrophysics and Star Formation Studies #Giant star #Globular cluster #Lithium (medication) #Metallicity #Physics #Stars #Stellar evolution #Stellar rotation #Stellar, planetary, and galactic studies #Subgiant #astro-ph.SR

paper · pdf · doi:10.1051/0004-6361/201015015

13 pages, 8 figures

openalex publication_date 2011/01/11 · arxiv created 2011/01/19 · arxiv updated 2015/03/17 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

Aims. We present a spectroscopic analysis of a sample of evolved stars in M 67 (turn-off, subgiant and giant stars) in order to bring observational constraints to evolutionary models taking into account non-standard transport processes.

Citations

• Thermohaline mixing: a physical mechanism governing the photospheric composition of low-mass giants
• Spectroscopy of Blue Stragglers and Turnoff Stars in M67 (NGC 2682)
• The extra-mixing efficiency in very low metallicity RGB stars
• On the Old Open Clusters M67 and NGC 188: Convective Core Overshooting, Color‐Temperature Relations, Distances, and Ages
• Updated Opal Opacities
• Diagnoses to unravel secular hydrodynamical processes in rotating main sequence stars
• A catalog of rotational and radial velocitiesfor evolved stars
• Rotational mixing in low-mass stars