Abstract We present a comprehensive analysis of five eclipsing binary systems containing β Cephei-type pulsating components. These systems were identified using high-precision Transiting Exoplanet Survey Satellite (TESS) 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 MCMC-based fitting techniques. Absolute parameters were used to position components on the HR 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 β Cephei pulsators in binaries and provides high-precision benchmarks for stellar evolution and asteroseismology.
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