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Team uncovers intrinsic binary fraction of blue horizontal-branch stars

Summary by Phys.org
A research team from the Yunnan Observatories of the Chinese Academy of Sciences has conducted a study on the binary fraction of blue horizontal-branch (BHB) stars. Their findings, recently published in Astronomy & Astrophysics, provide the intrinsic binary fraction and reveal its relationship with metallicity, kinematics, and effective temperature.

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A research team from the Yunnan observatories of the Chinese Academy of Sciences conducted a study on the binary fraction of blue stars with horizontal branch (BHB). Their findings, recently published in Astronomy and Astrophysics, provide the intrinsic binary fraction and reveal its relationship with metallicity, kinematics and effective temperature. The [...]

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Phys.org broke the news in United Kingdom on Wednesday, October 15, 2025.
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