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Title: HI deficiency in groups: what can we learn from Eridanus ?
Authors: Omar, A
Keywords: galaxies;ISM - galaxies;interactions - galaxies;kinematics and dynamics - galaxies;evolution - galaxies;clusters;individual;Eridanus group
Issue Date: Jul-2004
Publisher: Astronomical Society of India
Citation: BASI, Vol. 32, No. 3, pp. 239-245
Abstract: 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 is found to be directly correlated with the projected galaxy density and inversely correlated with the line-of-sight radial velocity. It is suggested that the HI deficiency is due to tidal interactions. An important implication is that significant evolution of galaxies can take place in a group environment
URI: /737
Appears in Collections:BASI Publications

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