Spectroscopic binaries among AGB stars from HERMES/Mercator: the case of V Hya
classification
🌌 astro-ph.SR
keywords
binariesstarsfoundhermesmercatorspectroscopicbehavebinary
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We report on our search for spectroscopic binaries among a sample of AGB stars. Observations were carried out in the framework of the monitoring of radial velocities of (candidate) binary stars performed at the Mercator 1.2m telescope, using the HERMES spectrograph. We found evidence for duplicity in UV Cam, TU Tau, BL Ori, VZ Per, T Dra, and V Hya. This short communication focus on V Hya, found to behave like RV Tau of the b subtype, which are binaries surrounded by a disc.
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