Journal of Astronomy and Space Sciences

The Korean Space Science Society (한국우주과학회)
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UV VISIBILITY OF MODERATE-REDSHIFT GIANT ELLIPTICAL GALAXIES

  • Rhee, Myung-Hyun (Center for Space Astrophysics, Yonsei University) ;
  • Lee, Young-Wook (Center for Space Astrophysics, Yonsei University Department of Astronomy, Yonsei University) ;
  • Byun, Yong-Ik (Center for Space Astrophysics, Yonsei University Department of Astronomy, Yonsei University) ;
  • Sohn, Young-Jong (Center for Space Astrophysics, Yonsei University)
  • Published : 1998.06.01
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Abstract

We show quantitatively whether giant elliptical galaxies would be visible at for UV wavelenghts if they were placed at moderate red shift of 0.4-0.5. On the basis of simple cosmological tests, we conclude that giant elliptical galaxies can be detectable up to the red shift of 0.4-0.5 in the proposed GALEX(Galaxy Evolution Explorer) Deep Imaging Survey. We also show that obtaining UV color index such as $m_{1550}$ - V from upcoming GALEX and SDSS (Sloan Digital Sky Survey) observations should be feasible.

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