The Orbital Period of the Long-period and Colliding-wind Binary WR 146 from Radio Interferometry of the Shock Cone

The Orbital Period of the Long-period and Colliding-wind Binary WR 146 from Radio Interferometry of the Shock Cone

We report the first measurement of the orbital period of a long-period colliding-wind-binary system Wolf–Rayet (WR) 146, derived by tracing the rotational morphology of its wind-colliding region (WCR) and the relative orientation of the two binary components. This result is based on our imaging obse...

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Bibliographic Details
Main Authors: Shiming Wen, Bo Zhang, Shuangjing Xu, Yan Sun, Xiaofeng Mai, Jingdong Zhang, Lang Cui, Xiaofeng Li, Helge Todt, Xi Yan, Pengfei Jiang
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astronomical Journal
Subjects:
Wolf-Rayet stars
Non-thermal radiation sources
Visual binary stars
Stellar winds
Orbits
Radio continuum emission
Online Access:https://doi.org/10.3847/1538-3881/adba57
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