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Browsing by Author "Dwarakanath, K. S."

Browsing by Author "Dwarakanath, K. S."

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  • GMRT H I observations of the Eridanus group of galaxies 
    Omar, A.; Dwarakanath, K. S. (2005)
    TThe GMRT H I 21cm-line observations of galaxies in the Eri- danus group are presented. The Eridanus group, at a distance of ∼ 23 Mpc, is a loose group of ∼ 200 galaxies. The group extends to more than 10 Mpc in ...
  • The HI content of the eridanus group of galaxies 
    Omar, A.; Dwarakanath, K. S. (2005)
    The HI content of galaxies in the Eridanus group is studied using the GMRT observations and the HIPASS data. A significant HI deficiency up to a factor of 2–3 is observed in galaxies in the high galaxy density regions. The ...
  • Origin of disc lopsidedness in the Eridanus group of galaxies 
    Angiras, R. A.; Jog, C. J.; Omar, A.; Dwarakanath, K. S. (2006)
    The H I surface density maps for a sample of 18 galaxies in the Eridanus group are Fourier analysed. This analysis gives the radial variation of the lopsidedness in the H I spatial distribution. The lopsidedness is ...
  • Radio continuum and far-infrared emission from the galaxies in the eridanus group 
    Omar, A.; Dwarakanath, K. S. (2005)
    The Eridanus galaxies follow the well-known radio–FIR correlation. The majority (70%) of these galaxies have their star formation rates below that of the Milky Way. The galaxies that have a significant excess of radio ...
  • The Tully–fisher relations of the Eridanus group of galaxies 
    Omar, A.; Dwarakanath, K. S. (2006)
    The Tully–Fisher (TF) or the luminosity–linewidth relations of the galaxies in the Eridanus group are constructed using the HI rotation curves and the luminosities in the optical and in the near-infrared bands. The slopes ...

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