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

Kristen Coppin, 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 MentenEva Schinnerer, Paul van der Werf

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Abstract

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(
Original languageEnglish
Pages (from-to)103-107
JournalMonthly Notices of the Royal Astronomical Society: Letters
Volume407
DOIs
Publication statusPublished - 2010

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