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Browsing by Author "Mallik, D. C. V"

Browsing by Author "Mallik, D. C. V"

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  • Planetary nebulae 
    Mallik, D. C. V (Astronomical Society of India, 1982-06)
    Recent research on planetary nebulae is reviewed, with special emphasis on ultraviolet and infrared observations. Various distance scales and statistics based on them are discussed and the emperical mass-radius relation ...
  • Planetary nebulae - Origin and evolution 
    Mallik, D. C. V (Astronomical Society of Australia, 1991)
    The review describes some of the progress made in observations and their interpretation, particularly in the context of the evolution of the nebulae and the central stars. It includes a discussion on the improved determinations ...
  • Planetary nebulae and nitrogen enrichment in the galaxy 
    Mallik, D. C. V (Geneva Observatory, 1978)
    The extent of nitrogen enrichment of the interstellar gas by planetary-nebula formation is evaluated, and the nitrogen and oxygen abundance gradients in the disk of the Galaxy are derived on the basis of a simple model for ...
  • The Raman effect and Krishnan's diary 
    Mallik, D. C. V (The Royal Society, 2000-01)
    K.S. Krishnan, F.R.S. (1898-1961) is one of the most distinguished Indian scientists of this century. His collaboration with Sir C.V. Raman on the scattering of light by liquids--a collaboration which Raman described as ...
  • Report on the I. A. U. Symposium on Star Formation 
    Mallik, D. C. V (Astronomical Society of India, 1977-03)
  • Solar physics at the Kodaikanal observatory: a historical perspective 
    Hasan, S. S; Mallik, D. C. V; Bagare, S. P; Rajaguru, S. P (Springer, 2010)
    The Kodaikanal Observatory traces its origins to the East India Company, which started an observatory in Madras “for promoting the knowledge of astronomy, geography, and navigation in India.” Observations began in 1787 at ...
  • The solar physics observatory at Kodaikanal and John Evershed 
    Mallik, D. C. V (Indian Academy of Sciences, 2009-11)
  • Temperature and emission-line structure at the edges of H II regions 
    Mallik, D. C. V (American Astronomical Society, 1975-04)
    Models of ionization fronts located at the edges of expanding H II regions are presented. These fronts are of the weak D-type and are preceded by shocks in the H I clouds. Since the energy input time is smaller than the ...
  • Thick disk planetary nebulae 
    Baliga, J. K; Mallik, D. C. V (International Astronomical Union, 2006)
    In this work we attempt to find Planetary Nebulae(PNe) belonging to the thick disk population of the Galaxy, based on the proper motion and radial velocity data of the objects available in literature, by using a simulation ...
  • Twenty five years of observational astronomy at the Indian Institute of Astrophysics 
    Mallik, D. C. V (Indian Academy of Sciences, 1998-05)
  • Yields of nucleosynthesis from massive and intermediate mass stars and constraints on their final evolution 
    Mallik, D. C. V; Mallik, S. G. V (Indian Academy of Sciences, 1985-09)
    Nucleosynthetic yields and production rates of He and heavy elements are derived using recent revisions in O star counts and the stellar models of Maeder (1981). The current production rates and yields are significantly ...

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