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The SCUBA-2 Large e...
The SCUBA-2 Large eXtragalactic Survey: 850 μm map, catalogue and the bright-end number counts of the XMM-LSS field
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- Garratt, T. K. (author)
- University of Hertfordshire
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- Geach, J.E. (author)
- University of Hertfordshire
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- Tamura, Y. (author)
- Nagoya University
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- Coppin, K. E. K. (author)
- University of Hertfordshire
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- Ao, Y. (author)
- University of Science and Technology of China,Chinese Academy of Sciences
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- Chen, Chung-Chen (author)
- Academia Sinica Taiwan
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- Cheng, C. (author)
- Chinese Academy of Sciences
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- Clements, D. L. (author)
- Imperial College of Science, Technology and Medicine
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- Dai, Y. Sophia (author)
- Chinese Academy of Sciences
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- Dannerbauer, H. (author)
- Universidad de la Laguna,University of La Laguna,Instituto de Astrofísica de Canarias
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- Greve, T. R. (author)
- Danmarks Tekniske Universitet,Technical University of Denmark,University College London (UCL)
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- Hatsukade, B. (author)
- University of Tokyo, Japan
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- Hwang, H. S. (author)
- Seoul National University
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- Jiang, L. (author)
- Beijing University of Technology
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- Kohno, K. (author)
- University of Tokyo, Japan
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- Koprowski, M. P. (author)
- Uniwersytet Mikolaja Kopernika w Toruniu,Nicolaus Copernicus University
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- Michałowski, M. J. (author)
- Uniwersytet im. Adama Mickiewicza w Poznaniu,Adam Mickiewicz University in Poznań
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- Sawicki, M. (author)
- Saint Mary's University
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- Scott, D. (author)
- University of British Columbia (UBC)
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- Shim, H. (author)
- Kyungpook National University
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- Takeuchi, T. T. (author)
- The Institute of Statistical Mathematics (ISM),Nagoya University
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- Wang, W. H. (author)
- Academia Sinica Taiwan
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- Xue, Y. Q. (author)
- University of Science and Technology of China
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- Yang, Chentao, 1988 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2023-01-30
- 2023
- English.
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In: Monthly Notices of the Royal Astronomical Society. - : Oxford University Press (OUP). - 0035-8711 .- 1365-2966. ; 520:3, s. 3669-3687
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https://research.cha... (primary) (free)
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https://research.cha...
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https://doi.org/10.1...
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Abstract
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- We present 850 μm imaging of the XMM-LSS field observed for 170 h as part of the James Clerk Maxwell Telescope SCUBA-2 Large eXtragalactic Survey (S2LXS). S2LXS XMM-LSS maps an area of 9 deg2, reaching a moderate depth of 1σ 4 mJy beam−1. This is the largest contiguous area of extragalactic sky mapped by James Clerk Maxwell Telescope (JCMT) at 850 μm to date. The wide area of the S2LXS XMM-LSS survey allows us to probe the ultra-bright (S850μm 15 mJy), yet rare submillimetre population. We present the S2LXS XMM-LSS catalogue, which comprises 40 sources detected at >5σ significance, with deboosted flux densities in the range of 7–48 mJy. We robustly measure the bright-end of the 850 μm number counts at flux densities >7 mJy, reducing the Poisson errors compared to existing measurements. The S2LXS XMM-LSS observed number counts show the characteristic upturn at bright fluxes, expected to be motivated by local sources of submillimetre emission and high-redshift strongly lensed galaxies. We find that the observed 850 μm number counts are best reproduced by model predictions that include either strong lensing or source blending from a 15-arcsec beam, indicating that both may make an important contribution to the observed overabundance of bright single dish 850 μm selected sources. We make the S2LXS XMM-LSS 850 μm map and >5σ catalogue presented here publicly available.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Keyword
- catalogues
- galaxies: high-redshift
- surveys
- submillimetre: galaxies
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Garratt, T. K.
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Geach, J.E.
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Tamura, Y.
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Coppin, K. E. K.
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Ao, Y.
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Chen, Chung-Chen
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Cheng, C.
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Clements, D. L.
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Dai, Y. Sophia
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Dannerbauer, H.
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Greve, T. R.
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Hatsukade, B.
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Hwang, H. S.
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Jiang, L.
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Kohno, K.
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Koprowski, M. P.
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Michałowski, M. ...
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Sawicki, M.
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Scott, D.
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Shim, H.
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Takeuchi, T. T.
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Wang, W. H.
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Xue, Y. Q.
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Yang, Chentao, 1 ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Astronomy Astrop ...
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Monthly Notices ...
- By the university
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Chalmers University of Technology