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Search: onr:"swepub:oai:research.chalmers.se:378b8990-89f4-4797-b63f-bdcab075e4f2" > Physical conditions...

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  • Huynh, M. T. (author)

Physical conditions of the gas in an ALMA C II -identified submillimetre galaxy at z=4.44

  • Article/chapterEnglish2013

Publisher, publication year, extent ...

  • 2013-03-07
  • Oxford University Press (OUP),2013
  • electronicrdacarrier

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  • LIBRIS-ID:oai:research.chalmers.se:378b8990-89f4-4797-b63f-bdcab075e4f2
  • https://research.chalmers.se/publication/178106URI
  • https://doi.org/10.1093/mnrasl/slt014DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • 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.

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Added entries (persons, corporate bodies, meetings, titles ...)

  • Norris, R. P. (author)
  • Coppin, K. E. K. (author)
  • Emonts, B. (author)
  • Ivison, R. J. (author)
  • Seymour, N. (author)
  • Smail, I. (author)
  • Smolcic, V. (author)
  • Swinbank, A. M. (author)
  • Brandt, W. N. (author)
  • Chapman, S. C. (author)
  • Dannerbauer, H. (author)
  • De Breuck, C. (author)
  • Greve, T. R. (author)
  • Hodge, J. A. (author)
  • Karim, A. (author)
  • Knudsen, Kirsten Kraiberg,1976Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)kraiberg (author)
  • Menten, K. M. (author)
  • van der Werf, P.P. (author)
  • Walter, F. (author)
  • Weiss, A. (author)
  • Chalmers tekniska högskola (creator_code:org_t)

Related titles

  • 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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