The closest extremely low-mass white dwarf to the Sun

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The closest extremely low-mass white dwarf to the Sun

We present the orbit and properties of 2MASS J050051.85-093054.9, establishing it as the closest (d ~ 71 pc) extremely low mass white dwarf to the Sun. We find that this star is hydrogen-rich with Teff ~ 10 500 K, log g ~ 5.9, and, following evolutionary models, has a mass of ~ 0.17 solar masses....

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Bibliographic Details
Main Authors:	Kawka, Adela, Simpson, Jeffrey D, Vennes, Stephane, Bessell, Michael S, Da Costa, Gary S, Marino, Anna F, Murphy, Simon J
Format:	Journal Article
Language:	English
Published:	OXFORD UNIV PRESS 2020
Subjects:	Science & Technology Physical Sciences Astronomy & Astrophysics binaries: close stars: individual: 2MASS J050051.85-093054.9 white dwarfs SPECTRAL-ANALYSIS KEPLER
Online Access:	http://dx.doi.org/10.1093/mnrasl/slaa068 http://hdl.handle.net/20.500.11937/80039

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