ISSN 1002-1027  CN 11-2952/G2

Acta scientiarum naturalium Universitatis Pekinensis

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The Gravitational Equilibrium of Spherically Symmetric Stars and the Oscillation near the Equilibrium

XU Renxin, QIAO Guojun   

  1. School of Physics, Peking University, Beijing, 100871
  • Received:2002-06-24 Online:2003-05-20 Published:2003-05-20

Abstract: The relation between the stellar oscillation frequency and the average density is obtained by a semi-qualitative consideration of the equilibrium between gravity and pressure. It is explained to measure a stellar distance according to a period-luminosity relation.