IIA Institutional Repository

Browsing by Subject "Interactions"

Browsing by Subject "Interactions"

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  • The changing interstellar medium of massive elliptical galaxies and cosmic evolution of radio galaxies and quasars 
    Mangalam, A; Gopal-Krishna; Wiita, Paul J (Blackwell Publishing, 2009-06-03)
    The recently discovered apparent dramatic expansion in the effective radii of massive elliptical galaxies from z≃ 2 to ≃0.1 has been interpreted in terms of either galaxy mergers or the rapid loss of cold gas due to ...
  • Distribution of ionized gas in X-ray bright early-type galaxies. 
    Singh, K. P; Bhat, P. N; Prabhu, T. P; Kembhavi, A. K (Springer, 1995-10)
    We report imaging observations of Hα+[N II] nebulosities in seven early type galaxies viz., NGC 1399, NGC 1600, NGC 2563, NGC 4203, NGC 4636, NGC 4753 and NGC 5044. These are primarily X-ray bright galaxies which are the ...
  • N-body simulations of galaxy collisions 
    Namboodiri, P. M. S; Sastry, K. S; Narasimhan, K. S. V. S (Astronomical Society of India, 2001)
    The tidal effects of close collisions between two spherical galaxies of different mass and mass distributions are studied by numerical simulations. The galaxies are represented by polytropes of indices n = 4 and n = 0 which ...
  • Tidal interactions in spherical galaxies 
    Namboodiri, P. M. S (Astronomical Society of India, 2000)
    Numerical simulations of equal mass galaxies, moving initially on a parabolic orbit, have been performed to see how the total energy of the system changes in close and wide encounters. The results are compared with those ...
  • Towards a unification of the parameters underlying elementary particles and cosmology 
    Sivaram, C (Springer, 1982-12)
    It is pointed out that the gross parameters characterizing the universe such as the overall size and mass can be arrived at from microphysical considerations involving the fundamental interactions of elementary particle ...

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