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We reconstruct the effective Equation of State (EoS) within the framework ofGeneral Relativity (GR) theory in a homogeneous and isotropic FLRW Universe,which is assumed to be composed of matter and Dark Energy (DE). Our analysisemploys a dataset consisting of 31 Cosmic Chronometer (CC) data points, sixdata points of Baryon Acoustic Oscillations (BAO), and 1048 Type Ia Supernovae(SN) from the Pantheon sample, and we determine the best-fit values of themodel parameters through Markov Chain Monte Carlo (MCMC) simulation. We thenuse these parameter values to calculate various cosmological parameters, suchas the DE EoS parameter, the energy density, the deceleration parameter, thestate finder parameters, and the $Om(z)$ diagnostic. All the analyzedcosmological parameters show behavior consistent with the accelerated Universescenario.

Impact of dark energy on the equation of state in light of the latest cosmological data