2024
DOI: 10.1038/s41467-024-54748-3
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A binary system in the S cluster close to the supermassive black hole Sagittarius A*

Florian Peißker,
Michal Zajaček,
Lucas Labadie
et al.

Abstract: High-velocity stars and peculiar G objects orbit the central supermassive black hole (SMBH) Sagittarius A* (Sgr A*). Together, the G objects and high-velocity stars constitute the S cluster. In contrast with theoretical predictions, no binary system near Sgr A* has been identified. Here, we report the detection of a spectroscopic binary system in the S cluster with the masses of the components of 2.80  ±  0.50 M⊙ and 0.73  ±  0.14 M⊙, assuming an edge-on configuration. Based on periodic changes in the radial v… Show more

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