Discovery of a White Dwarf-Main Sequence Binary in Open Cluster NGC 752
Andrew J. Buckner, Eric L. Sandquist
TL;DR
This paper reports the potential discovery of the first white dwarf-main sequence binary in the nearby open cluster NGC 752, identified through Gaia data, which could provide new insights into stellar evolution in clusters.
Contribution
The study presents the identification of a candidate white dwarf-main sequence binary in NGC 752, a first for this nearby cluster, based on Gaia DR2 data.
Findings
Candidate binary matches cluster proper motions and parallax
Photometry suggests white dwarf and low-mass main sequence star
Potential first white dwarf in NGC 752 if confirmed
Abstract
We identify a likely member of the NGC 752 open cluster (based on Gaia DR2 proper motions and parallax) having photometry consistent with being a white dwarf and a relatively low-mass main sequence star. If confirmed, this would be the first white dwarf known in this nearby cluster, and the brightest.
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