Weighing The Options: The Unseen Companion in LAMOST J2354 is Likely a Massive White Dwarf

Weighing The Options: The Unseen Companion in LAMOST J2354 is Likely a Massive White Dwarf

LAMOST J235456.73+335625 (J2354) is a binary system hosting a $\sim 0.7~\rm M_\odot$ K dwarf and a $\sim 1.4~\rm M_\odot$ dark companion, supposedly a neutron star, in a 0.48d orbit. Here we present high- and low-resolution spectroscopy to better constrain the properties of the system. The low-resol...

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Bibliographic Details
Main Authors: Michael A Tucker, Adam J. Wheeler, Dominick M. Rowan, Mark E. Huber
Format: Article
Language:English
Published: Maynooth Academic Publishing 2025-05-01
Series:The Open Journal of Astrophysics
Online Access:https://doi.org/10.33232/001c.138381
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