The evolution of two stellar populations in globular clusters

2008/10/27 by T. Decressin, H. Baumgardt, Holger Baumgardt +2 · 70 citations
Physics and Astronomy · #Astronomy #Astronomy and Astrophysical Research #Astrophysics #Astrophysics and Star Formation Studies #Blue straggler #Galaxy #Globular cluster #Physics #Star cluster #Stars #Stellar collision #Stellar dynamics #Stellar evolution #Stellar, planetary, and galactic studies #astro-ph

paper · pdf · doi:10.1051/0004-6361:200810275

published in Astronomy and Astrophysics 492(1), 101-109 (EDP Sciences) · 9 pages, 9 figures, accepted for publication in A&A, references added

openalex publication_date 2008/10/27 · arxiv created 2008/11/24 · arxiv updated 2009/12/01 · openalex created_date 2022/10/03 · openalex updated_date 2026/07/31

Abstract

Aims. We investigate the long-term dynamical evolution of two distinct stellar populations of low-mass stars in globular clusters in order to study whether the energy equipartition process can explain the high number of stars harbouring abundance anomalies seen in globular clusters.

Citations

• Helium self-enrichment in globular clusters and the second parameter problem in M 3 and M 13
• A Triple Main Sequence in the Globular Cluster NGC 2808
• Mass Segregation in Very Young Open Clusters: A Case Study of NGC 2244 and NGC 6530
• The dynamical distance and intrinsic structure of the globular clusterωCentauri
• The Origin of the Double Main Sequence in ω Centauri: Helium Enrichment due to Gas Fueling from Its Ancient Host Galaxy?
• Metallicities on the Double Main Sequence of ω Centauri Imply Large Helium Enhancement
• The initial conditions of young globular clusters in the Large Magellanic Cloud
• The Discovery of an Anomalous Subgiant Branch in the Color-Magnitude Diagram of Centauri
• Variations in the lithium abundances of turn offstars in the globular cluster 47 Tucanae
• Abundance Variations within Globular Clusters
• Na-O anticorrelation and HB

Cited by

• Globular clusters as the relics of regular star formation in ‘normal’ high-redshift galaxies
• On the origin of the helium-rich population in ω Centauri
• The peculiar horizontal branch of NGC 2808
• Hubble Space Telescope photometry of multiple stellar populations in the inner parts of NGC 2419