摘要: Using a general solution to the Vaidya–Tikekar model for spherically symmetric superdense star, we show that equation of state (EOS) star with values mass and radius within experimental ranges Her X-1 (a compact X-ray binary pulsar), agrees accurately EOS obtained by Horvath et al.,1 who considered quark–diquark mixture in equilibrium. Nevertheless, note boundary condition chosen bosonic (diquark) component Ref. 1 is not appropriate identification as remains inconclusive.