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Physical conditions...
Physical conditions of the gas in an ALMA C II -identified submillimetre galaxy at z=4.44
- Article/chapterEnglish2013
Publisher, publication year, extent ...
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2013-03-07
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Oxford University Press (OUP),2013
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electronicrdacarrier
Numbers
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LIBRIS-ID:oai:research.chalmers.se:378b8990-89f4-4797-b63f-bdcab075e4f2
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https://research.chalmers.se/publication/178106URI
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https://doi.org/10.1093/mnrasl/slt014DOI
Supplementary language notes
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Language:English
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Summary in:English
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Classification
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
Notes
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We present (CO)-C-12(2-1) observations of the submillimetre galaxy ALESS65.1 performed with the Australia Telescope Compact Array (ATCA) at 42.3 GHz. A previous Atacama Large Millimeter Array study of submillimetre galaxies (SMGs) in the Extended Chandra Deep Field South detected [C II] 157.74 mu m emission from this galaxy at a redshift of z= 4.44. No (CO)-C-12(21) emission was detected but we derive a firm upper limit to the cold gas mass in ALESS65.1 of M-gas 4 SMGs being the likely progenitors of massive red-and-dead galaxies at z > 2. The ratio of the [CII], (CO)-C-12 and far-infrared luminosities implies a strong far-ultraviolet field of G(0) greater than or similar to 103, as seen in Galactic star-forming regions or local ultraluminous infrared galaxies (ULIRGs). The observed L-[C II]/L-FIR = 2.3 x 10(-3) is high compared to local ULIRGs and, combined withLL([CII])/L-CO greater than or similar to 2700, it is consistent with ALESS65.1 either having an extended (several kpc) [C II] emitting region or lower than solar metallicity.
Subject headings and genre
Added entries (persons, corporate bodies, meetings, titles ...)
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Norris, R. P.
(author)
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Coppin, K. E. K.
(author)
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Emonts, B.
(author)
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Ivison, R. J.
(author)
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Seymour, N.
(author)
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Smail, I.
(author)
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Smolcic, V.
(author)
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Swinbank, A. M.
(author)
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Brandt, W. N.
(author)
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Chapman, S. C.
(author)
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Dannerbauer, H.
(author)
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De Breuck, C.
(author)
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Greve, T. R.
(author)
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Hodge, J. A.
(author)
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Karim, A.
(author)
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Knudsen, Kirsten Kraiberg,1976Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)kraiberg
(author)
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Menten, K. M.
(author)
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van der Werf, P.P.
(author)
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Walter, F.
(author)
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Weiss, A.
(author)
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Chalmers tekniska högskola
(creator_code:org_t)
Related titles
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In:Monthly Notices of the Royal Astronomical Society: Oxford University Press (OUP)431:1, s. L88-L920035-87111365-29661745-39331745-3925
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- By the author/editor
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Huynh, M. T.
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Norris, R. P.
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Coppin, K. E. K.
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Emonts, B.
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Ivison, R. J.
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Seymour, N.
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show more...
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Smail, I.
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Smolcic, V.
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Swinbank, A. M.
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Brandt, W. N.
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Chapman, S. C.
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Dannerbauer, H.
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De Breuck, C.
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Greve, T. R.
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Hodge, J. A.
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Karim, A.
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Knudsen, Kirsten ...
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Menten, K. M.
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van der Werf, P. ...
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Walter, F.
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Weiss, A.
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- NATURAL SCIENCES
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NATURAL SCIENCES
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Chalmers University of Technology