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Temi, P. van der Werf, R. Auld, R. Hopwood, R.J. Ivison, S. Buttiglione, S. Dye, S. Eales, S. Fleuren, S.J. Maddox, S.P. Driver, W. Sutherland","submitted_at":"2012-02-17T11:59:58Z","abstract_excerpt":"We identify near-infrared Ks band counterparts to Herschel-ATLAS sub-mm sources, using a preliminary object catalogue from the VISTA VIKING survey. The sub-mm sources are selected from the H-ATLAS Phase 1 catalogue of the GAMA 9h field, which includes all objects detected at 250, 350 or 500 um with the SPIRE instrument. We apply and discuss a likelihood ratio (LR) method for VIKING candidates within a search radius of 10\" of the 22,000 SPIRE sources with a 5 sigma detection at 250 um. 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