A hidden population of massive white dwarfs: two spotted K + WD binaries

ABSTRACT The identification and characterization of massive (≳ 0.8 M⊙) white dwarfs is challenging in part due to their low luminosity. Here, we present two candidate single-lined spectroscopic binaries, Gaia DR3 4014708864481651840 and 5811237403155163520, with K-dwarf primaries and optically dark...

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Veröffentlicht in:	Monthly notices of the Royal Astronomical Society 2024-03, Vol.529 (1), p.587-603
Hauptverfasser:	Rowan, Dominick M, Jayasinghe, Tharindu, Tucker, Michael A, Lam, Casey Y, Thompson, Todd A, Kochanek, Christopher S, Abrams, Natasha S, Fulton, Benjamin J, Ilyin, Ilya, Isaacson, Howard, Lu, Jessica R, Martin, David V, Nicholson, Belinda
Format:	Artikel
Sprache:	eng
Schlagworte:	Binary stars Companion stars Extrasolar planets Light curve Luminosity Orbits Planet detection Radial velocity Rotational spectra Spectrographs Transit White dwarf stars
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