SIMBAD references

2012ApJS..203...30F - Astrophys. J., Suppl. Ser., 203, 30 (2012/December-0)

Multiplicity among F-type stars.


Abstract (from CDS):

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.

Abstract Copyright:

Journal keyword(s): solar neighborhood - stars: fundamental parameters - stars: solar-type - stars: statistics

Simbad objects: 113

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