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21,864 Unresolved, Low-mass Binaries Identified via Their Overluminosity in Gaia Data Release 3 and a Catalog of 347,440 Systems within 100 pc of the Sun

  • Authors: Zachary Way, Sébastien Lépine, Jonathan Gagné, Ilija Medan

Zachary Way et al 2026 The Astronomical Journal 171 .

  • Provider: AAS Journals

Caption: Figure 9.

Relationship between the overluminosity and effective temperature ratio of the ASAS-SN Binary Stars Database. Stars are separated into those that have good (circles) and bad (crosses) Gaia photometric and astrometric parameters. Our overluminosity cut is shown as a dashed line, and the equal-mass magnitude offset is a solid line. We recover all of the binaries with good data as overluminous.

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