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Browsing Publications of Astronomical Society of India by Author "Omar, A"

Browsing Publications of Astronomical Society of India by Author "Omar, A"

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  • The electron temperatures of HII regions S 201, S 206 and S 209 : Multi-frequency GMRT observations 
    Omar, A; Chengalur, J. N; Roshi, D. A (Astronomical Society of India, 2002-09)
    Three Galactic HII regions, viz., S 201, S 206, and S 209 have been imaged at three frequencies, viz., 232, 327, and 610 MHz using the GMRT. The resolutions of these images are typically 15" at 232, 10" at 327, and 6" ...
  • A GMRT H I imaging survey of the ERIDANUS group of galaxies 
    Omar, A; Dwarakanath, K. S; Anantharamaiah, K. R (Astronomical Society of India, 2002-09)
    This project aims to image a subset of galaxies in the nearby Eridanus group in H I emission and in radio continuum using the GMRl'. The typical resolution of H I images will be ",1 kpc with a 30" sensitivity to H I ...
  • HI deficiency in groups: what can we learn from Eridanus ? 
    Omar, A (Astronomical Society of India, 2004-07)
    The HI content of the Eridanus group of galaxies is studied using the GMRT observations and the HIPASS data. A significant Hi deficiency up to a factor of 2 2 - 3 is observed in galaxies in the Eridanus group. The deficiency ...

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