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HD 156324: A Tidally Locked Magnetic SB3 With an Orbitally Disrupted Centrifugal Magnetosphere

Abstract : Period analysis of radial velocity, equivalent width, and magnetic measurements of the SB3 system HD 156324 yield identical results in all cases, indicating the system is tidally locked with orbital and rotational periods of 1.58 d. Its Hα emission profile exhibits marked morphological departures from the usual pattern observed amongst magnetic B-type stars, which can plausibly be ascribed to tidal disruption of the gravitocentrifugal potential.
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Submitted on : Friday, June 10, 2022 - 3:36:33 PM
Last modification on : Saturday, June 25, 2022 - 3:06:16 AM

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M. Shultz, Th. Rivinius, G. A. Wade, E. Alecian, O. Kochukhov. HD 156324: A Tidally Locked Magnetic SB3 With an Orbitally Disrupted Centrifugal Magnetosphere. Contributions of the Astronomical Observatory Skalnaté Pleso, 2018, 48, pp.298-299. ⟨insu-03693582⟩

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