Surface density of extremely red objects with R - J ≥ 5
We present the results of a wide-field survey for extremely red objects (EROs), based on J and R band imaging. The survey covers 2.89 deg2, consisting of 50 single fields, each approximately 210 arcmin2 in size. This survey provides a sample of 60 extended objects with a colour of R-J ≥ 5 and J band magnitudes more than 10σ above background (18^mag
Hempel, A. et al.
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2005