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@article{Geach:2017:mnras/stw2721,
author = {Geach, JE and Dunlop, JS and Halpern, M and Smail, I and van, der Werf P and Alexander, DM and Almaini, O and Aretxaga, I and Arumugam, V and Asboth, V and Banerji, M and Beanlands, J and Best, PN and Blain, AW and Birkinshaw, M and Chapin, EL and Chapman, SC and Chen, C-C and Chrysostomou, A and Clarke, C and Clements, DL and Conselice, C and Coppin, KEK and Cowley, WI and Danielson, ALR and Eales, S and Edge, AC and Farrah, D and Gibb, A and Harrison, CM and Hine, NK and Hughes, D and Ivison, RJ and Jarvis, M and Jenness, T and Jones, SF and Karim, A and Koprowski, M and Knudsen, KK and Lacey, CG and Mackenzie, T and Marsden, G and McAlpine, K and McMahon, R and Meijerink, R and Michalowski, MJ and Oliver, SJ and Page, MJ and Peacock, JA and Rigopoulou, D and Robson, EI and Roseboom, I and Rotermund, K and Scott, D and Serjeant, S and Simpson, C and Simpson, JM and Smith, DJB and Spaans, M and Stanley, F and Stevens, JA and Swinbank, AM and Targett, T and Thomson, AP and Valiante, E },
doi = {mnras/stw2721},
journal = {Monthly Notices of the Royal Astronomical Society},
pages = {1789--1806},
title = {The SCUBA-2 Cosmology Legacy Survey: 850 mu m maps, catalogues and number counts},
url = {http://dx.doi.org/10.1093/mnras/stw2721},
volume = {465},
year = {2017}
}

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TY  - JOUR
AB  - We present a catalogue of ∼3000 submillimetre sources detected (≥3.5σ) at 850 μm over ∼5 deg2 surveyed as part of the James Clerk Maxwell Telescope (JCMT) SCUBA-2 Cosmology Legacy Survey (S2CLS). This is the largest survey of its kind at 850 μm, increasing the sample size of 850 μm selected submillimetre galaxies by an order of magnitude. The wide 850 μm survey component of S2CLS covers the extragalactic fields: UKIDSS-UDS, COSMOS, Akari-NEP, Extended Groth Strip, Lockman Hole North, SSA22 and GOODS-North. The average 1σ depth of S2CLS is 1.2 mJy beam−1, approaching the SCUBA-2 850 μm confusion limit, which we determine to be σc ≈ 0.8 mJy beam−1. We measure the 850 μm number counts, reducing the Poisson errors on the differential counts to approximately 4 per cent at S850 ≈ 3 mJy. With several independent fields, we investigate field-to-field variance, finding that the number counts on 0.5°–1° scales are generally within 50 per cent of the S2CLS mean for S850 > 3 mJy, with scatter consistent with the Poisson and estimated cosmic variance uncertainties, although there is a marginal (2σ) density enhancement in GOODS-North. The observed counts are in reasonable agreement with recent phenomenological and semi-analytic models, although determining the shape of the faint-end slope (S850 < 3 mJy) remains a key test. The large solid angle of S2CLS allows us to measure the bright-end counts: at S850 > 10 mJy there are approximately 10 sources per square degree, and we detect the distinctive up-turn in the number counts indicative of the detection of local sources of 850 μm emission, and strongly lensed high-redshift galaxies. All calibrated maps and the catalogue are made publicly available.
AU  - Geach,JE
AU  - Dunlop,JS
AU  - Halpern,M
AU  - Smail,I
AU  - van,der Werf P
AU  - Alexander,DM
AU  - Almaini,O
AU  - Aretxaga,I
AU  - Arumugam,V
AU  - Asboth,V
AU  - Banerji,M
AU  - Beanlands,J
AU  - Best,PN
AU  - Blain,AW
AU  - Birkinshaw,M
AU  - Chapin,EL
AU  - Chapman,SC
AU  - Chen,C-C
AU  - Chrysostomou,A
AU  - Clarke,C
AU  - Clements,DL
AU  - Conselice,C
AU  - Coppin,KEK
AU  - Cowley,WI
AU  - Danielson,ALR
AU  - Eales,S
AU  - Edge,AC
AU  - Farrah,D
AU  - Gibb,A
AU  - Harrison,CM
AU  - Hine,NK
AU  - Hughes,D
AU  - Ivison,RJ
AU  - Jarvis,M
AU  - Jenness,T
AU  - Jones,SF
AU  - Karim,A
AU  - Koprowski,M
AU  - Knudsen,KK
AU  - Lacey,CG
AU  - Mackenzie,T
AU  - Marsden,G
AU  - McAlpine,K
AU  - McMahon,R
AU  - Meijerink,R
AU  - Michalowski,MJ
AU  - Oliver,SJ
AU  - Page,MJ
AU  - Peacock,JA
AU  - Rigopoulou,D
AU  - Robson,EI
AU  - Roseboom,I
AU  - Rotermund,K
AU  - Scott,D
AU  - Serjeant,S
AU  - Simpson,C
AU  - Simpson,JM
AU  - Smith,DJB
AU  - Spaans,M
AU  - Stanley,F
AU  - Stevens,JA
AU  - Swinbank,AM
AU  - Targett,T
AU  - Thomson,AP
AU  - Valiante,E
AU  - Wake,DA
AU  - Webb,TMA
AU  - Willott,C
AU  - Zavala,JA
AU  - Zemcov,M
DO  - mnras/stw2721
EP  - 1806
PY  - 2017///
SN  - 0035-8711
SP  - 1789
TI  - The SCUBA-2 Cosmology Legacy Survey: 850 mu m maps, catalogues and number counts
T2  - Monthly Notices of the Royal Astronomical Society
UR  - http://dx.doi.org/10.1093/mnras/stw2721
UR  - http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000393785500037&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
UR  - http://hdl.handle.net/10044/1/61973
VL  - 465
ER  -

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