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Browsing by Author "Narasimhan, K. S. V. S"

Browsing by Author "Narasimhan, K. S. V. S"

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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 ...
  • Stellar Velocity Perturbations in colliding Galaxies II 
    Narasimhan, K. S. V. S; Alladin, S. M (Astronomical Society of India, 1983-09)
    An analytical relationship is obtained between the stellar velocity perturbations and the eccentricity of the galactic orbit, under the impulsive approximation, for a hyperbolic encounter between two spherical galaxies.
  • Tidal disruption in colliding galaxies 
    Narasimhan, K. S. V. S; Alladin, S. M (Astronomical Society of India, 1982-09)
    Distruptive effects in colliding galaxies due to their mutual tidal interaction are compared under the impulsive approximation. If M1 and M2 are the masses and Rho1 and Rho2 the densities of the two galaxies, M2 suffers ...
  • Tidal disruption model for the interacting pair of galaxies VV 117 (NGC 2444/45) 
    Narasimhan, K. S. V. S; Namboodiri, P. M. S; Alladin, S. M (Springer, 2003-09)
    A series of N-body simulations have been performed to interpret the interacting pair of galaxies VV 117 (NGC 2444/45). The galaxies have been modelled assuming a mass ratio two. The simulations use various values for the ...
  • A Tidal model for the inetracting pair of galaxies VV 117 
    Narasimhan, K. S. V. S; Alladin, S. M (Astronomical Society of India, 1985-12)
    Limber`s (1965) tidal model for the interacting pair of galaxies VV 117 ( = Arp 143 = NGC 2444-45) is improved upon in the light of subsequent H I observations. It is proposed that the spiral Sc component is being disrupted ...

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