An ALMA survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS field: source catalogue and properties

doi:10.1093/mnras/stz1536

	An ALMA survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS field: source catalogue and properties
	Stach, Stuart M.1; Dudzeviciute, U.1; Smail, Ian 1; Swinbank, A. M.1; Geach, J. E.2; Simpson, J. M.3; An, Fang Xia 1,4; Almaini, Omar 5; Arumugam, Vinodiran 6,7; Blain, A. W.8
刊名	MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
	2019-08-01
卷号	487 期号:4 页码:4648-4668
关键词	galaxies: high-redshift galaxies: starburst submillimetre: galaxies
ISSN号	0035-8711
DOI	10.1093/mnras/stz1536
通讯作者	Stach, Stuart M.(stuartstach@gmail.com)
英文摘要	We present the catalogue and basic properties of sources in AS2UDS, an 870-m continuum survey with the Atacama Large Millimetre/sub-millimetre Array (ALMA) of 716 single-dish sub-millimetre sources detected in the UKIDSS/UDS field by the SCUBA-2 Cosmology Legacy Survey. In our sensitive ALMA follow-up observations, we detect 708 sub-millimetre galaxies (SMGs) at >4.3 sigma significance across the similar to 1 degrees-diameter field. We combine our precise ALMA positions with the extensive multiwavelength coverage in the UDS field which yields spectral energy distributions for our SMGs and a median redshift of z(phot)= 2.61 +/- 0.09. This large sample reveals a statistically significant trend of increasing sub-millimetre flux with redshift suggestive of galaxy downsizing. 101 ALMA maps do not show a >4.3 sigma SMG, but we demonstrate from stacking Herschel SPIRE observations at these positions, that the vast majority of these blank maps correspond to real single-dish sub-millimetre sources. We further show that these blank maps contain an excess of galaxies at z(phot)= 1.5-4 compared to random fields, similar to the redshift range of the ALMA-detected SMGs. In addition, we combine X-ray and mid-infrared active galaxy nuclei activity (AGN) indicators to yield a likely range for the AGN fraction of 8-28percent in our sample. Finally, we compare the redshifts of this population of high-redshift, strongly star-forming galaxies with the inferred formation redshifts of massive, passive galaxies being found out to z similar to 2, finding reasonable agreement - in support of an evolutionary connection between these two classes of massive galaxy.
WOS关键词	DEEP SUBMILLIMETER SURVEY ; SUPERMASSIVE BLACK-HOLES ; REDSHIFT DUSTY GALAXIES ; ACTIVE GALACTIC NUCLEI ; STAR-FORMATION HISTORY ; MU-M ; MIDINFRARED COUNTERPARTS ; SPECTROSCOPIC SURVEY ; EXTRAGALACTIC SURVEY ; INFRARED PROPERTIES
WOS研究方向	Astronomy & Astrophysics
语种	英语
出版者	OXFORD UNIV PRESS
WOS记录号	WOS:000475888500016
内容类型	期刊论文
源URL	[http://libir.pmo.ac.cn/handle/332002/27135]
专题	中国科学院紫金山天文台
通讯作者	Stach, Stuart M.
作者单位	1.Univ Durham, Dept Phys, Ctr Extragalact Astron, Durham DH1 3LE, England 2.Univ Hertfordshire, Sch Phys Astron & Math, Ctr Astrophys Res, Hatfield AL10 9AB, Herts, England 3.Acad Sinica, Inst Astron & Astrophys, 1,Sect 4,Roosevelt Rd, Taipei 10617, Taiwan 4.Chinese Acad Sci, Purple Mt Observ, 2 West Beijing Rd, Nanjing 210008, Jiangsu, Peoples R China 5.Univ Nottingham, Sch Phys & Astron, Univ Pk, Nottingham NG7 2RD, England 6.European Southern Observ, Karl Schwarzschild Str 2, D-85748 Garching, Germany 7.Univ Edinburgh, Royal Observ, Inst Astron, Blackford Hill, Edinburgh EH9 3HJ, Midlothian, Scotland 8.Univ Leicester, Dept Phys & Astron, Univ Rd, Leicester LE1 7RH, Leics, England 9.Dalhousie Univ, Dept Phys & Atmospher Sci, Halifax, NS B3H 3J5, Canada 10.Australian Natl Univ, Res Sch Astron & Astrophys, Canberra, ACT 2611, Australia
推荐引用方式 GB/T 7714	Stach, Stuart M.,Dudzeviciute, U.,Smail, Ian,et al. An ALMA survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS field: source catalogue and properties[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2019,487(4):4648-4668.
APA	Stach, Stuart M..,Dudzeviciute, U..,Smail, Ian.,Swinbank, A. M..,Geach, J. E..,...&van der Werf, P..(2019).An ALMA survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS field: source catalogue and properties.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,487(4),4648-4668.
MLA	Stach, Stuart M.,et al."An ALMA survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS field: source catalogue and properties".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 487.4(2019):4648-4668.