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Resolving the ISM at the Peak of Cosmic Star Formation with ALMA: The Distribution of CO and Dust Continuum in z similar to 2.5 Submillimeter Galaxies

Calistro Rivera, Gabriela; Hodge, Jacqueline; Smail, Ian; Swinbank, A M; Weiss, A; Wardlow, J L; Walter, Fabian; Rybak, M; Chen, Chian-Chou; Brandt, W N; da Cunha, Elisabete

Description

We use Atacama Large Millimeter Array (ALMA) observations of four submillimeter galaxies (SMGs) at z similar to 2-3 to investigate the spatially resolved properties of the interstellar medium (ISM) at scales of 1-5 kpc (0.'' 1-0.'' 6). The velocity fields of our sources, traced by the (CO)-C-12(J = 3-2) emission, are consistent with disk rotation to the first order, implying average dynamical masses of similar to 3 x 10(11) M-circle dot. within two half-light radii. Through a Bayesian approach...[Show more]

CollectionsANU Research Publications
Date published: 2018
Type: Journal article
URI: http://hdl.handle.net/1885/210656
Source: The Astrophysical Journal
DOI: 10.3847/1538-4357/aacffa

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