IIA Institutional Repository

Browsing by Subject "Sun: Granulation"

Browsing by Subject "Sun: Granulation"

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  • Activity dependence of solar supergranular fractal dimension 
    Paniveni, U; Krishan, V; Singh, J; Srikanth, R (Blackwell Publishing, 2010-02)
    We study the complexity of supergranular cells using the intensity patterns obtained at the Kodaikanal Solar Observatory during the solar maximum. Our data consist of visually identified supergranular cells, from which a ...
  • Distribution of Supergranular Sizes 
    Srikanth, R; Singh, J; Raju, K. P (The American Astronomical Society, 2000-05)
    A gradient-based method of tessellation was applied to SOHO Dopplergrams and to Ca II K filtergrams in order to study the cellular pattern of the solar surface, in specific the geometric relationship between the tessellation ...
  • Relationship between horizontal flow velocity and cell size for supergranulation using SOHO Dopplergrams 
    Krishan, V; Paniveni, U; Singh, J; Srikanth, R (Royal Astronomical Society, 2002-07)
    A study of 90 supergranular cells obtained from SOHO Dopplergrams was undertaken in order to investigate a possible relation between the sizes and peak horizontal velocities of the cells. For the sample obtained, the two ...
  • Tessellation of SoHO Magnetograms 
    Srikant, R; Singh, J (Indian Academy of Sciences, 2000-12)
    A gradient based algorithm which divides arbitrary images into non-overlapping surface filling tiles of opposite polarity is used to study the flux and size distributions of large scale magnetic flux concen-trations in ...

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