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03 December 2021
 
  » arxiv » astro-ph/0011399

 Article overview


HI gas disks in elliptical galaxies
E.M. Sadler ; T. Oosterloo ; R. Morganti ( University of Sydney ; ASTRON ; Dwingeloo ;
Date 22 Nov 2000
Subject astro-ph
Affiliation University of Sydney, ASTRON, Dwingeloo (NL)
AbstractWe discuss a class of low-luminosity E/S0 galaxies which have both HI disks and (in contrast to more luminous E/S0s with HI) ongoing star formation. We suggest that such objects are common, but that only a few are known at present because optical magnitude-limited galaxy catalogues are biased against them. The HI Parkes All-Sky Survey (HIPASS) should eventually detect many more. We suggest that `boxy’ and `disky’ ellipticals are distinct not only in their structure and kinematics, but in their star-formation history.
Source arXiv, astro-ph/0011399
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