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The bright extragalactic ALMA redshift survey (BEARS) – II. Millimetre photometry of gravitational lens candidates

Bendo, G. J. (author)
University of Manchester
Urquhart, S. (author)
Open University
Serjeant, S. (author)
Open University
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Bakx, Tom J.L.C. (author)
National Astronomical Observatory of Japan,Nagoya University
Hagimoto, Masato (author)
Nagoya University
Cox, P. (author)
Institut d 'Astrophysique de Paris
Neri, R. (author)
Institut de Radioastronomie Millimétrique (IRAM)
Lehnert, M. (author)
École Normale Supérieure de Lyon
Dannerbauer, H. (author)
Universidad de la Laguna,University of La Laguna,Instituto de Astrofísica de Canarias
Amvrosiadis, A. (author)
Durham University
Andreani, P. (author)
European Southern Observatory (ESO)
Baker, A. J. (author)
Rutgers University,University of the Western Cape
Beelen, A. (author)
Laboratoire d'Astrophysique de Marseille
Berta, S. (author)
Institut de Radioastronomie Millimétrique (IRAM)
Borsato, E. (author)
Università Degli Studi di Padova,University of Padua
Buat, V. (author)
Laboratoire d'Astrophysique de Marseille
Butler, K. M. (author)
Universiteit Leiden (UL),Leiden University (UL)
Cooray, A. (author)
University of California at Irvine (UCI)
De Zotti, G. (author)
Istituto nazionale di astrofisica (INAF)
Dunne, L. (author)
Cardiff University
Dye, S. (author)
University Of Nottingham
Eales, S. (author)
Cardiff University
Enia, A. F.M. (author)
Istituto nazionale di astrofisica (INAF),Universita di Bologna,University of Bologna
Fan, Lulu, 1982 (author)
University of Science and Technology of China
Gavazzi, R. (author)
Laboratoire d'Astrophysique de Marseille,Institut d 'Astrophysique de Paris
González-Nuevo, J. (author)
Universidad de Oviedo,University of Oviedo
Harris, A. I. (author)
University of Maryland
Herrera, C. N. (author)
Institut de Radioastronomie Millimétrique (IRAM)
Hughes, D. (author)
Instituto Nacional de Astrofísica, Óptica y Electrońica (INAOE),National Institute of Astrophysics, Optics and Electronics (INAOE)
Ismail, D. (author)
Laboratoire d'Astrophysique de Marseille
Jones, B. M. (author)
Universität zu Köln,University of Cologne
Kohno, K. (author)
University of Tokyo, Japan
Krips, M. (author)
Institut de Radioastronomie Millimétrique (IRAM)
Lagache, Guilaine (author)
Laboratoire d'Astrophysique de Marseille
Marchetti, L. (author)
Istituto nazionale di astrofisica (INAF),University of Cape Town
Massardi, M. (author)
Istituto nazionale di astrofisica (INAF),Scuola Internazionale Superiore di Studi Avanzati
Messias, H. (author)
Atacama Large Millimeter-submillimeter Array (ALMA),European Southern Observatory Santiago
Negrello, M. (author)
Cardiff University
Omont, A.A. (author)
Institut d 'Astrophysique de Paris
Perez-Fournon, I. (author)
Instituto de Astrofísica de Canarias,Universidad de la Laguna,University of La Laguna
Riechers, D. A. (author)
Universität zu Köln,University of Cologne
Scott, D. (author)
University of British Columbia (UBC)
Smith, M. W.L. (author)
Cardiff University
Stanley, F. (author)
Institut de Radioastronomie Millimétrique (IRAM)
Tamura, Y. (author)
Nagoya University
Temi, P. (author)
NASA Ames Research Center
van der Werf, P. (author)
Universiteit Leiden (UL),Leiden University (UL)
Verma, A. (author)
University Of Oxford
Vlahakis, C. (author)
National Radio Astronomy Observatory
Weiss, A. (author)
Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
Yang, Chentao, 1988 (author)
Chalmers tekniska högskola,Chalmers University of Technology
Young, A. J. (author)
Rutgers University
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 (creator_code:org_t)
2023
2023
English.
In: Monthly Notices of the Royal Astronomical Society. - 0035-8711 .- 1365-2966. ; 522:2, s. 2995-3017
Related links:
https://research.cha... (primary) (free)
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https://doi.org/10.1...
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • We present 101- and 151-GHz ALMA continuum images for 85 fields selected from Herschel observations that have 500-μm flux densities >80 mJy and 250–500-μm colours consistent with z > 2, most of which are expected to be gravitationally lensed or hyperluminous infrared galaxies. Approximately half of the Herschel 500-μm sources were resolved into multiple ALMA sources, but 11 of the 15 brightest 500-μm Herschel sources correspond to individual ALMA sources. For the 37 fields containing either a single source with a spectroscopic redshift or two sources with the same spectroscopic redshift, we examined the colour temperatures and dust emissivity indices. The colour temperatures only vary weakly with redshift and are statistically consistent with no redshift-dependent temperature variations, which generally corresponds to results from other samples selected in far-infrared, submillimetre, or millimetre bands but not to results from samples selected in optical or near-infrared bands. The dust emissivity indices, with very few exceptions, are largely consistent with a value of 2. We also compared spectroscopic redshifts to photometric redshifts based on spectral energy distribution templates designed for infrared-bright high-redshift galaxies. While the templates systematically underestimate the redshifts by ∼15 per cent, the inclusion of ALMA data decreases the scatter in the predicted redshifts by a factor of ∼2, illustrating the potential usefulness of these millimetre data for estimating photometric redshifts.

Subject headings

NATURVETENSKAP  -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
TEKNIK OCH TEKNOLOGIER  -- Elektroteknik och elektronik -- Annan elektroteknik och elektronik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Electrical Engineering, Electronic Engineering, Information Engineering -- Other Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)

Keyword

submillimetre: galaxies
galaxies: ISM
galaxies: high-redshift
infrared: galaxies

Publication and Content Type

art (subject category)
ref (subject category)

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