University of Hertfordshire

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Detection of molecular gas in a distant submillimetre galaxy at z=4.76 with ATCA

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  • Scott Chapman
  • Ian Smail
  • Mark Swinbank
  • Fabian Walter
  • Julie Wardlow
  • Axel Weiss
  • David M. Alexander
  • Niel Brandt
  • Helmut Dannerbauer
  • Carlos De Breuck
  • Mark Dickinson
  • James Dunlop
  • Alastair Edge
  • Bjorn Emonts
  • Thomas Greve
  • Minh Huynh
  • Rob Ivison
  • Kirsten Knudsen
  • Karl Menten
  • Eva Schinnerer
  • Paul van der Werf
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Original languageEnglish
Pages (from-to)103-107
JournalMonthly Notices of the Royal Astronomical Society: Letters
Publication statusPublished - 2010


We have detected the CO(2-1) transition from the submillimetre galaxy (SMG) LESSJ033229.4-275619 at z=4.755 using the new Compact Array Broadband Backend system on the Australian Telescope Compact Array. These data have identified a massive gas reservoir available for star formation for the first time in an SMG at z~5. We use the luminosity and velocity width (FWHM of 160 km/s) of the CO(2--1) line emission to constrain the gas and dynamical mass of Mgas~1.6x10^10 Msun and Mdyn(

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