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Browsing Publications of Astronomical Society of India by Subject "Kinematics and dynamics-galaxies"

Browsing Publications of Astronomical Society of India by Subject "Kinematics and dynamics-galaxies"

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  • Local stability criterion for a two component galactic disk 
    Jog, C. J (Astronomical Society of India, 2000)
    The criterion for stability against local, axisymmetric perturbations in gravitationally coupled stars and gas in a galactic disk is obtained. The new feature is the inclusion of both stars and gas in the study, and a ...
  • Lopsided spiral galaxies 
    Jog, C. J (Astronomical Society of India, 2000)
    The light distribution in disks of many spiral galaxies is non-axisymmetric or 'lopsided' with a spatial extent much larger along one half of a galaxy than the other, as in M101. Recent observations show that 30% of spiral ...
  • Tidally compressed molecular gas in ultraluminous and early type galaxies 
    Das, M; Jog, C. J (Astronomical Society of India, 2000)
    The effect of the galactic tidal field is usually considered disruptive in the literature. However, in some cases its effect can become compressive. Using the virial theorem, we have determined the minimum density for a ...

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