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Browsing Publications of Astronomical Society of India by Author "Zafarullah, S. N"

Browsing Publications of Astronomical Society of India by Author "Zafarullah, S. N"

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  • Stellar velocity perturbations in colliding galaxies I 
    Zafarullah, S. N; Narasimhan, K. S. V. S; Sastry, K. S (Astronomical Society of India, 1983-06)
    Expressions for the stellar velocity perturbations in colliding galaxies, valid for any distance of closest approach, are derived analytically under the impulsive approximation for spherical galaxies using a Newtonian ...
  • Tidal interaction between a disc galaxy and a spherical galaxy 
    Zafarullah, S. N; Sastry, K. S (Astronomical Society of Indian, 1987)
    The tidal interaction between a disk and a Plummer model spherical galaxy is studied, extending the impulsive approximation theory to disk galaxies. The fractional change in the internal energy and merger velocities for ...

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