Hot subdwarfs from the ESO supernova Ia progenitor survey

2006/09/26 by A. Stroeer, U. Heber, T. Lisker +4 · 4 citations
Physics and Astronomy · #Astronomy #Astronomy and Astrophysical Research #Astrophysics #Astrophysics and Star Formation Studies #Physics #Stars #Stellar classification #Stellar, planetary, and galactic studies #Subdwarf #Supernova #White dwarf #astro-ph

paper · pdf · doi:10.1051/0004-6361:20065564

14 pages, 10 figures, Astronomy & Astrophysics accepted

arxiv created 2006/09/26 · openalex publication_date 2006/11/02 · arxiv updated 2009/12/01 · openalex created_date 2022/10/02 · openalex updated_date 2026/07/31

Abstract

Aims. We address the origin and evolutionary status of hot subdwarf stars by studying the optical spectral properties of 58 subdwarf O (sdO) stars. Combining them with the results of our previously studied subdwarf B (sdB) stars, we aim at investigating possible evolutionary links.

Citations

• The Two Micron All Sky Survey (2MASS)

Cited by

• A quantitative NLTE analysis of visual and ultraviolet spectra of four helium-rich subdwarf O stars
• Hot subdwarf stars in close-up view - IV. Helium abundances and the 3He isotopic anomaly of subdwarf B stars
• The population of hot subdwarf stars studied withGaia
• The Evolution of Compact Binary Star Systems
• A New Class of Roche Lobe–filling Hot Subdwarf Binaries