Evidence of enhanced magnetism in cool, polluted white dwarfs

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Evidence of enhanced magnetism in cool, polluted white dwarfs

We report the discovery of a new, polluted, magnetic white dwarf in the Luyten survey of high-proper motion stars. High-dispersion spectra of NLTT 7547 reveal a complex heavy element line spectrum in a cool (≈5200 K) hydrogen-dominated atmosphere showing the effect of a surface averaged field of 163...

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Bibliographic Details
Main Authors:	Kawka, Adela, Vennes, S., Ferrario, L., Paunzen, E.
Format:	Journal Article
Language:	English
Published:	OXFORD UNIV PRESS 2019
Subjects:	Science & Technology Physical Sciences Astronomy & Astrophysics stars: abundances stars: individual: NLTT 7547 stars: magnetic field white dwarfs CARBON-DOMINATED ATMOSPHERE DIATOMIC-MOLECULES PLANETARY SYSTEMS FIELD STARS HOT DISTRIBUTIONS PHOTOMETRY CONVECTION KINEMATICS
Online Access:	http://dx.doi.org/10.1093/mnras/sty3048 http://hdl.handle.net/20.500.11937/80398

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