Physics
Scientific paper
Oct 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010atnf.prop.3633g&link_type=abstract
ATNF proposal C2450, Semester: October, 2010
Physics
Surveys And Studies Of Distant Galaxies, Atca
Scientific paper
The existence of vigorous dusty, starbursts in distant, massive galaxies was first demonstrated by submillimeter photometry of high-z radio galaxies (HzRGs). In a few cases CO line emission was found to be associated with the dust, giving evidence of huge reservoirs of dust-enriched molecular gas capable of sustaining the prodigiouos star formation rates. The nature of this extended emission - cold accretion flows or merging of unresolved clumps? - has important implications for our understanding of the assembly of massive galaxies. Here we propose to measure the CO(2-1) emission towards TNJ1338-1942, a luminous radio galaxy residing at the centre of a massive proto-cluster at z=4.11. Our observations will measure the total molecular gas mass and dynamics of this massive galaxy during its formative stages. In addition, the broad bandwidth of CABB offers the exciting prospect of using CO to spectroscopically confirm about a handful of IR-luminous 1.2mm-selected galaxies detected in the near vicinity of TNJ1338-1942.
de Breuck Carlos
Greve Thomas
Ivison Rob
König Sabine
Kovács Attila
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