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The ALMA Spectroscopic Survey in the Hubble Ultra Deep Field: Evolution of the Molecular Gas in CO-selected Galaxies

  • Authors: Manuel Aravena, Roberto Decarli, Jorge Gónzalez-López, Leindert Boogaard, Fabian Walter, Chris Carilli, Gergö Popping, Axel Weiss, Roberto J. Assef, Roland Bacon, Franz Erik Bauer, Frank Bertoldi, Richard Bouwens, Thierry Contini, Paulo C. Cortes, Pierre Cox, Elisabete da Cunha, Emanuele Daddi, Tanio Díaz-Santos, David Elbaz, Jacqueline Hodge, Hanae Inami, Rob Ivison, Olivier Le Fèvre, Benjamin Magnelli, Pascal Oesch, Dominik Riechers, Ian Smail, Rachel S. Somerville, A. M. Swinbank, Bade Uzgil, Paul van der Werf, Jeff Wagg, and Lutz Wisotzki

2019 The Astrophysical Journal 882 136.

  • Provider: AAS Journals

Caption: Figure 1.

Rendered CO image toward the HUDF, obtained by coadding the individual average CO line maps around the 16 bright CO-selected galaxies and the 2 lower significance MUSE-based CO sources (labeled MP). Regions with significances below 2.5σ in each of the average maps are masked out prior to combination. The location of these individual detections is highlighted by solid circles and their IDs. The tendency of sources to lie in the top two-thirds of the map is likely a combination of clustering and chance, given the sensitivity of the observations is fairly uniform across this region. We note that in this representation of the combined CO map, some individual images might have larger weight (lower noise) than others, and thus some noise peaks might appear as brighter than other statistically significant sources.

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