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ALMA Lensing Cluste...
ALMA Lensing Cluster Survey: A strongly lensed multiply imaged dusty system at z ≥ 6
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- Laporte, N. (author)
- University Of Cambridge
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- Zitrin, A. (author)
- Ben-Gurion University of the Negev
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- Ellis, R. S. (author)
- University College London (UCL)
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Fujimoto, S. (author)
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Brammer, G. (author)
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- Richard, J. (author)
- Centre national de la recherche scientifique (CNRS)
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- Oguri, M. (author)
- University of Tokyo, Japan
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- Caminha, G. B. (author)
- Rijksuniversiteit Groningen,University of Groningen
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- Kohno, K. (author)
- University of Tokyo, Japan
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- Yoshimura, Y. (author)
- University of Tokyo, Japan
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- Ao, Y. (author)
- University of Science and Technology of China,Chinese Academy of Sciences
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- Bauer, F. E. (author)
- Pontificia Universidad Catolica de Chile,Instituto Milenio de Astrofísica,Millennium Institute of Astrophysics
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- Caputi, Karina I. (author)
- Rijksuniversiteit Groningen,University of Groningen
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- Egami, E. (author)
- University of Arizona
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- Espada, D. (author)
- National Astronomical Observatory of Japan,SKA Organisation,The Graduate University for Advanced Studies (SOKENDAI)
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- González-López, J. (author)
- Las Campanas Observatory,Universidad Diego Portales,Diego Portales University
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- Hatsukade, B. (author)
- University of Tokyo, Japan
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- Knudsen, Kirsten Kraiberg, 1976 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Lee, M. M. (author)
- Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
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Magdis, Georgios E. (author)
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- Ouchi, Masami (author)
- University of Tokyo, Japan
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Valentino, F. (author)
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- Wang, T. (author)
- University of Tokyo, Japan,National Astronomical Observatory of Japan
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(creator_code:org_t)
- 2021-01-28
- 2021
- English.
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In: Monthly Notices of the Royal Astronomical Society. - : Oxford University Press (OUP). - 0035-8711 .- 1365-2966. ; 505:4, s. 4838-4846
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Abstract
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- We report the discovery of an intrinsically faint, quintuply-imaged, dusty galaxy MACS0600-z6 at a redshift z = 6.07 viewed through the cluster MACSJ0600.1–2008 (z = 0.46). A ≃ 4σ dust detection is seen at 1.2mm as part of the ALMA Lensing Cluster Survey (ALCS), an on-going ALMA Large programme, and the redshift is secured via [C II] 158 μm emission described in a companion paper. In addition, spectroscopic follow-up with GMOS/Gemini-North shows a break in the galaxy’s spectrum, consistent with the Lyman break at that redshift. We use a detailed mass model of the cluster and infer a magnification μ ≳ 30 for the most magnified image of this galaxy, which provides an unprecedented opportunity to probe the physical properties of a sub-luminous galaxy at the end of cosmic reionization. Based on the spectral energy distribution, we infer lensing-corrected stellar and dust masses of 2.9-2.3+115 × 109 and 4.8-3.4+45 × 106 M☉, respectively, a star formation rate of 9.7-6.6+220 M☉ yr−1, an intrinsic size of 0.54-0.14+026 kpc, and a luminosity-weighted age of 200 ± 100 Myr. Strikingly, the dust production rate in this relatively young galaxy appears to be larger than that observed for equivalent, lower redshift sources. We discuss if this implies that early supernovae are more efficient dust producers and the consequences for using dust mass as a probe of earlier star formation.
Subject headings
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Radiologi och bildbehandling (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Radiology, Nuclear Medicine and Medical Imaging (hsv//eng)
Keyword
- Galaxies: formation
- Galaxies: high-redshift
- Galaxies: evolution
- Gravitational lensing: strong
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Laporte, N.
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Zitrin, A.
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Ellis, R. S.
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Fujimoto, S.
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Brammer, G.
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Richard, J.
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show more...
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Oguri, M.
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Caminha, G. B.
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Kohno, K.
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Yoshimura, Y.
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Ao, Y.
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Bauer, F. E.
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Caputi, Karina I ...
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Egami, E.
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Espada, D.
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González-López, ...
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Hatsukade, B.
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Knudsen, Kirsten ...
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Lee, M. M.
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Magdis, Georgios ...
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Ouchi, Masami
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Valentino, F.
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Wang, T.
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show less...
- 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 Subatomic Physic ...
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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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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Clinical Medicin ...
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and Radiology Nuclea ...
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Monthly Notices ...
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Chalmers University of Technology