Two more, bright, z > 6 quasars from VST ATLAS and WISE

Two more, bright, z > 6 quasars from VST ATLAS and WISE

Abstract Recently, Carnall et al. discovered two bright high-redshift quasars using the combination of the Very Large Telescope (VLT) Survey Telescope (VST) ATLAS and Wide-field Infrared Survey Explorer (WISE) surveys. The technique involved using the 3D colour plane i–z : z–W1 : W1–W2 with the WISE...

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Veröffentlicht in:Monthly notices of the Royal Astronomical Society 2018-08, Vol.478 (2), p.1649-1659
Hauptverfasser: Chehade, B, Carnall, A C, Shanks, T, Diener, C, Fumagalli, M, Findlay, J R, Metcalfe, N, Hennawi, J, Leibler, C, Murphy, D N A, Prochaska, J X, Irwin, M J, Gonzalez-Solares, E
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Sprache:eng
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Zusammenfassung:Abstract Recently, Carnall et al. discovered two bright high-redshift quasars using the combination of the Very Large Telescope (VLT) Survey Telescope (VST) ATLAS and Wide-field Infrared Survey Explorer (WISE) surveys. The technique involved using the 3D colour plane i–z : z–W1 : W1–W2 with the WISE W1 (3.4 micron) and W2 (4.5 micron) bands taking the place of the usual NIR J band to help decrease stellar dwarf contamination. Here, we report on our continued search for 5.7  5.7 quasars previously found by the VIKING/KiDS and PanSTARRS surveys. This means that in ATLAS we have now discovered a total of six quasars in our target 5.7 
ISSN:0035-8711
1365-2966
DOI:10.1093/mnras/sty690