Discovery of a White Dwarf-Main Sequence Binary in Open Cluster NGC 752

Andrew J. Buckner,Eric L. Sandquist

Research notes of the AAS（2018）

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摘要
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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