Stellar Parameters and Evolutionary Pathways of the Subgiant system HIP 72217

TL;DR

This paper uses Al-Wardat's method to accurately determine the stellar parameters and evolutionary status of the subgiant binary system HIP 72217, demonstrating the method's effectiveness in stellar characterization.

Contribution

The study provides precise stellar parameters and evolutionary insights for HIP 72217, showcasing Al-Wardat's method as a valuable tool for analyzing binary star systems.

Findings

Primary star mass: 1.14 M_sun

Secondary star mass: 1.12 M_sun

System age: 3.548 Gyr

Abstract

In this study, we applied Al-Wardat's method to analyze the subgiant system HIP72217 for which we obtained accurate parameters including stellar masses, effective temperatures ($T_{\text{eff}}$) and system age.For the primary component we determined a stellar mass of $M_A = 1.14 \pm 0.15\,M_{\odot}$ and effective temperature $T_{\text{eff,A}} = 6125 \pm 50$\,K while for the secondary component we obtained the values of $M_B = 1.12 \pm 0.14\,M_{\odot}$ and $T_{\text{eff,2}} = 5950 \pm 50$\,K. The system's age was estimated to be $3.548 Gyr$, which is consistent with the predicted evolutionary period of a subgiant binary. The evolutionary timeline of HIP\,72217 becomes clearer through our study, which also demonstrates Al-Wardat's approach as an effective approach for binary star system characterization. These findings contribute to a better understanding of the physical mechanisms that control subgiant binary evolution and their broader role in stellar evolutionary processes.