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Browsing Publications of Astronomical Society of India by Author "Vaidya, D. B"

Browsing Publications of Astronomical Society of India by Author "Vaidya, D. B"

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  • Coronal Interferogram in 5303A Obtained During Total Solar Eclipse of February 16, 1980 and Coronal Temperatures 
    Chandrasekhar, T; Ashok, N. M; Desai, J. N; Vaidya, D. B; Angreji, P. D (Tata Institute of Fundamental Research, Bombay, 1980-06)
    Coronal interferogram in 5303 Armstrong was obtained during the total solar eclipse of February 16, 1980 using Fabry-Perot etalon. Coronal temperatures determined from the Doppler width of the fringes are reported and ...
  • Interstellar grains in the regions of anomalous extinction 
    Vaidya, D. B; Anandarao, B. G (Astronomical Society of India, 1993)
    We have evaluated the interstellar extinction curve and the ratio R of the total to the selective extinction using exact computations of extinction efficiencies for various grain models. The computed results are compared ...
  • Interstellar grains towards Orion 
    Vaidya, D. B; Anandarao, B. G; Desai, J. N (Astronomical Society of India, 1999)
    Using discrete dipole approximation (DDA) we calculate the extinction efficiencies of the porous silicate grains. We use these efficiencies to reproduce the observed extinction in the region of star formation in Orion and ...
  • Scattering properties of circumsolar dust grains 
    Vaidya, D. B; Desai, J. N (Astronomical Society of India, 1998)

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