The Bulletin of The Korean Astronomical Society (천문학회보)

The Korean Astronomical Society (한국천문학회)
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Extremely Red Objects in Subaru $GTO2deg^2$ Field

  • Shin, Jihey (Department of Astronomy and Atmospheric Sciences, Kyungpook National University) ;
  • Shim, Hyunjin (Department of Earth Science Education, Kyungpook National University)
  • Published : 2015.04.10
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Abstract

Extremely Red Objects (EROs) are characterized by their red optical-infrared colors (e.g., R-Ks > 5.0), which would be caused by either dusty star formation or old stellar population at moderate to high redshifts. We combine deep optical (Subaru R) and near-infrared (CFHT Ks) observations obtained as part of the Subaru $GTO2deg^2$ survey to select EROs over this field and to explore their properties. We present number densities of EROs as a function of magnitudes. We are planning to quantify the environments for EROs and to see if EROs reside in overdense regions.

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