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Browsing Publications of Astronomical Society of India by Subject "Binary stars"

Browsing Publications of Astronomical Society of India by Subject "Binary stars"

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  • Dynamical evolution of binary systems 
    Mohammed Alladin, S (Astronomical Society of India, 1990)
    The interaction of binary stars with single stars and the role of binary stars in star clusters are discussed. Some aspects of galaxy interactions are mentioned which can be viewed as analogs of binary-single body encounters ...
  • Effects of rotation and tidal distortions on the equilibrium structure and periods of oscillations of stars in binary systems 
    Mohan, C; Saxena, R. M (Astronomical Society of India, 1990)
    Methods for computing the equilibrium structures and periods of barotropic modes of oscillations of stars which are the primary components of binary systems are presented. The methods utilize the averaging technique of ...
  • Formation of a binary in the general three-body problem 
    Bhatnagar, K. B (Astronomical Society of India, 1990)
    This paper reviews the role of triple encounters in the evolution of stellar systems. If a symmetric triple collision is perturbed, a family of asymmetric triple close approaches with arbitrary escape velocities and with ...
  • An improved spectroscopic orbit for HD 75767 
    Griffin, R. F (Astronomical Society of India, 1991)
    HD 75767 is a sixth-magnitude solar-type star for which Sanford gave an orbit in 1931 on the basis of 37 low-dispersion Mount Wilson spectrograms. The orbit has a period of 10 days and was attributed a small eccentricity. ...
  • Infrared colors of RS CVn binaries 
    Rengarajan, T. N; Verma, R. P; Iyengar, K. V. K (Astronomical Society of India, 1993)
    IRAS 1D COADD data for 82 RS CVn systems have been analysed to obtain their magnitudes at 12 and 25 micrometers. Their colors V - (12) and (12) - (25) have been computed and discussed. For 62 stars, the excess at 12 ...
  • N-body problem 
    Bhatnagar, K. B; Saha, L. M (Astronomical Society of India, 1993-03)
    This is a review article on the N-body problem. The development of the qualitative methods regarding the various topics of Celestial Mechanics are presented in a systematic way starting from the early researches of the ...
  • Radio emission from binary systems 
    Venugopal, V. R (Astronomical Society of India, 1990)
    The radio emission from a few binary systems is discussed. RS CVn stars, the Algol-type systems CC Cassiopeae, AR Lacertae, Beta Persei, and the X-ray emitting radio stars Cygnus X-3 and Sco X-1 are considered. A brief ...
  • The spectral behaviour of A-type metallic line spectroscopic binary 41 Sex A 
    Sreedhar Rao, S; Abhyankar, K. D; Nagar, P (Astronomical Society of India, 1990)
  • Temperature and brightness distribution in the components of binary systems 
    Barman, S. K (Astronomical Society of India, 1993-03)
    From the theoretical model of a binary system for gravity darkening (Barman 1991), the temperature and brightness distributions along the surface of the components have been calculated using the third and fourth orders of ...
  • Temperature and brightness distributions in the components of close binary system 
    Barman, S. K (Astronomical Society of India, 1991)
    A theoretical model of close binary system for the gravity-darkening due to tidally and nonuniformly rotating Roche components has been formulated using the fourth order of r/R where r is the radial distance and R is the ...

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