MULTIPLICITY AMONG F-TYPE STARS

2012/11/28 by K. Fuhrmann, R. Chini · 1 citation
Physics and Astronomy · Mathematics · #Stellar, planetary, and galactic studies #Astrophysics and Star Formation Studies #Astro and Planetary Science #Stars #Sky #Astrophysics #Physics #Homogeneous #Multiplicity (mathematics) #Binary number #Astronomy #Mathematics #Statistical physics #Geometry

paper · pdf · doi:10.1088/0067-0049/203/2/30

openalex publication_date 2012/11/28 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/31

Abstract

As part of a homogeneous all-sky volume-complete sample of half a thousand solar-type stars within 25 pc we present a census for the subset of the 150—mostly F-type stars—in the mass range 1.1 M ☉ ⩽ M ⩽ 1.7 M ☉ in terms of their observed multiplicities. The major obstacle, as expected, arises from the onset of stellar rotation in this mass range for it continues to support many hidden companions. Yet, a solid increase of the fraction of binary and higher level systems as a function of the primary mass is manifest. There is even the prospect that on account of many companion candidates the single-star fraction may already converge to zero at the transition to the A-type stars.

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