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Surface Density of Extremely Red Objects with R-J≥5
[chapter]
Multiwavelength Mapping of Galaxy Formation and Evolution
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 deg 2 , consisting of 50 single fields, each approximately 210 arcmin 2 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 ≤ J ≤ 20 mag ). Thirty five of these objects have been detected in both J and R-band. We derive a surface density for such EROs of 5.7 ± 0.1 ×
doi:10.1007/10995020_76
fatcat:5nkugzzmvjetxfwhmb5pp233my