SIMBAD references

2025MNRAS.543.2958C - Mon. Not. R. Astron. Soc., 543, 2958-2973 (2025/November-1)

Selected β Cephei pulsators in eclipsing binaries.

CAKIRLI O., HOYMAN B., OZDARCAN O. and BILIR S.

Abstract (from CDS):

We present a comprehensive analysis of five eclipsing binary systems containing $\beta$ Cephei-type pulsating components. These systems were identified using high-precision Transiting Exoplanet Survey Satellite photometry and complemented by high-resolution spectroscopic data from multiple instruments (e.g. HARPS, FEROS, UVES). For each target, we derived fundamental parameters including masses, radii, effective temperatures, and metallicities through a combined analysis of light curves and radial velocity data. The atmospheric parameters were determined via spectral disentangling and Markov Chain Monte Carlo-based fitting techniques. Absolute parameters were used to position components on the Hertzsprung-Russell diagram, and evolutionary status was assessed using MESA/MIST stellar tracks. Frequency analysis revealed multiple significant pulsation modes in all systems. Our study increases the number of well-characterized $\beta$ Cephei pulsators in binaries and provides high-precision benchmarks for stellar evolution and asteroseismology.

Abstract Copyright: © The Author(s) 2025. Published by Oxford University Press on behalf of Royal Astronomical Society.

Journal keyword(s): binaries: close - binaries: eclipsing - stars: fundamental parameters - stars: oscillations - stars: variables: general

Simbad objects: 8

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