The XXL Survey - XXVI. Optical and near-infrared identifications of the ATCA 2.1 GHz radio sources in the XXL-S Field

Paolo Ciliegi; Nika Jurlin; Andrew Butler; Jacinta Delhaize; Sotiria Fotopoulou; Minh Huynh; Angela Iovino; Vernesa Smolčić; Lucio Chiappetti; Marguerite Pierre

doi:10.1051/0004-6361/201833616

The XXL Survey: second series

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Fig. 11

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Radio-optical-NIR properties of the identified radio sources. Panel a: mag z from the Dec survey vs. the radio flux; panel b: (z_Dec -K) colour vs. z_Dec magnitude; panel c: (z_Dec -K) colour vs. radio flux; panel d: (z_Dec -K) colour vs. radio-to-optical ratio R. Red symbols show objects with mag z_Dec > 21.5 (see text fordetails).

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