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  1. No Access

    Article

    Dynamical Behaviour of Compressible Homogeneous Uniformly Rotating Ellipsoids with Nonparallel Angular Velocity and Vorticity

    The study of nonequilibrium, self-gravitating, compressible, homogeneous and uniformly rotating gaseous ellipsoidal models is extended from parallel to nonparallel angular velocity and vorticity. The different...

    T.T. Chia, S.Y. Pung in Astrophysics and Space Science (1997)

  2. No Access

    Article

    Effects of variations of parallel angular velocity and vorticity on the oscillations of compressible homogeneous rotating ellipsoids

    Earlier work on the oscillations of an ellipsoid is extended to investigate the behaviour of a nonequilibrium compressible homogeneous rotating gaseous ellipsoid, with the components of the velocity field as l...

    T. T. Chia, S. Y. Pung in Astrophysics and Space Science (1995)

  3. No Access

    Article

    Radiation pressure effects in the oscillations of compressible rotating homogeneous spheroids

    Earlier models of compressible, rotating, and homogeneous ellipsoids with gas pressure are generalized to include the presence of radiation pressure. Under the assumptions of a linear velocity field of the flu...

    T. T. Chia, S. Y. Pung in Astrophysics and Space Science (1993)

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    Article

    The effects of gravitational radiation on circular binary systems with spins

    In any theory of gravitation that predicts the existence of gravitational waves, it is shown that, in the absence of mass exchange and mass loss and subjected to a condition, a circular binary system with sphe...

    T. T. Chia in Astrophysics and Space Science (1985)

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    Article

    On the mass-radius relation in close binary systems

    In a close binary system with circular orbits in which mass transfer occurs when material from one star fills up and possibly spills over its Roche lobe, the usual mass-radius relation cannot be used as it wou...

    T. T. Chia in Astrophysics and Space Science (1977)

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    Article

    Effect of gravitational radiation on the evolution and spins of binary systems

    By taking into account the torque arising from gravitational radiation reaction, it is shown that the spins of spherically symetrical components of binary systems remain unchanged, while those of non-spherical...

    T. T. Chia in Astrophysics and Space Science (1977)

  7. No Access

    Article

    A few observations of and remarks on V1500 Cygni

    The development of the post-nova light curve of V1500 Cyg inUBV andHβ, for 15 nights in September and October 1975 are presented. We confirm previous reports that superimposed on the steady decline of the light c...

    T. T. Chia, E. F. Milone, R. Robb in Astrophysics and Space Science (1977)

  8. No Access

    Article

    Equivalence of some integrals of the radiation theory

    A definite integral which occurs in radiation theory is shown to be equal in value to another definite integral by evaluating the flux from a spherically symmetrical radiating sphere in two ways. As a corollar...

    T. T. Chia in Astrophysics and Space Science (1977)

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    Article

    The effect of gravitational waves from a spinning rod on its rigidity

    The energy and angular momentum flux carried by gravitational waves from a spinning rod are calculated exactly in the weak field limit of general relativity. It is shown that contrary to common belief, the ene...

    T. T. Chia in International Journal of Theoretical Physics (1976)