SCUBA-2 galaxies in 850um survey : J/MNRAS/458/4321

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Authors : Koprowski M.P. orcid , Dunlop J.S., Michalowski M.J. (hide) , Dunlop J.S., Michalowski M.J. et..al

VizieR DOI : 10.26093/cds/vizier.74584321
Bibcode : 2016MNRAS.458.4321K (ADS) (Simbad) (Objects)
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CDS Keywords : Galaxy catalogs; Photometry, millimetric/submm; Redshifts
UAT : Galaxies, Catalogs, Millimeter astronomy, Photometry, Submillimeter astronomy, Redshifted

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Inserted into VizieR : 18-Jul-2017
Last modification : 16-Aug-2024

The SCUBA-2 Cosmology Legacy Survey galaxies in the deep 850 {mu}m survey, and the star-forming 'main sequence'. (2016)

Keywords : galaxies evolution - galaxies: high-redshift - galaxies: starburst - cosmology: observations - submillimetre: galaxies

Abstract:We investigate the properties of the galaxies selected from the deepest 850-{mu}m survey undertaken to date with (Submillimetre Common-User Bolometer Array 2) SCUBA-2 on the James Clerk Maxwell Telescope as part of the SCUBA-2 Cosmology Legacy Survey. A total of 106 sources (>5{sigma}) were uncovered at 850{mu}m from an area of ~=150 arcmin^2^ in the centre of the COSMOS/UltraVISTA/Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey (CANDELS) field, imaged to a typical depth of {sigma}_850_~=0.25mJy. We utilize the available multifrequency data to identify galaxy counterparts for 80 of these sources (75 per cent), and to establish the complete redshift distribution for this sample, yielding . We have also been able to ...(more)
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We used the deep 850um and 450um S2CLS imaging of the central ~=150arcmin^2^ of the COSMOS/UltraVISTA field, coincident with the Spitzer SEDS (Ashby et al., 2013, Cat. J/ApJ/769/80) and HST CANDELS (Grogin et al., 2011ApJS..197...35G) imaging. The observations were taken with SCUBA-2 mounted on the JCMT between October 2011 and March 2013, reaching depths of {sigma}_850_~=0.25mJy and {sigma}_450_~=1.5mJy (Geach et al., 2013MNRAS.432...53G, Roseboom et al., 2013, Cat. J/MNRAS/436/430, Geach et al. 2016 in preparation). In order to enable effective 450um observations, only the very best/dryest conditions were used (i.e. {tau}_225GHz_<0.05), and to maximise depth the imaging was undertaken with a "daisy" mapping pattern (Bintley et al., 2014, SPIE, 9153, 3). 


                


                

                    

                


                

                    

                


                

                    
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