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2012MNRAS.426.2500F - Mon. Not. R. Astron. Soc., 426, 2500-2506 (2012/November-1)
Constraints on the pairing properties of main-sequence stars from observations of white dwarfs in binary systems.
FERRARIO L.
Abstract (from CDS):
In this paper, we argue that the `hidden' white dwarfs are either in double white dwarf systems or in Sirius-like systems. We also show that the white dwarf progenitors of the Sloan Digital Sky Survey (SDSS) white dwarf–M dwarf wide binaries are distributed according to Salpeter's initial mass function (IMF). However, they cannot be paired with secondary stars which are also drawn from this IMF, since such a pairing would produce a percentage of white dwarf–M dwarfs systems that is several times larger than observed.
Abstract Copyright: © 2012 The Author Monthly Notices of the Royal Astronomical Society © 2012 RAS
Journal keyword(s): binaries: general - stars: formation - stars: low-mass - white dwarfs
Simbad objects: 4
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