3 years ago

First Results from the Herschel and ALMA Spectroscopic Surveys of the SMC: The Relationship between [C ii ]-bright Gas and CO-bright Gas at Low Metallicity

The Small Magellanic Cloud (SMC) provides the only laboratory to study the structure of molecular gas at high resolution and low metallicity. We present results from the Herschel Spectroscopic Survey of the SMC (HS 3 ), which mapped the key far-IR cooling lines [C ii ], [O i ], [N ii ], and [O iii ] in five star-forming regions, and new ALMA 7 m array maps of ##IMG## [http://ej.iop.org/images/0004-637X/853/2/111/apjaaa4bbieqn1.gif] {${}^{12}\mathrm{CO}$} and ##IMG## [http://ej.iop.org/images/0004-637X/853/2/111/apjaaa4bbieqn2.gif] {${}^{13}\mathrm{CO}$} ##IMG## [http://ej.iop.org/images/0004-637X/853/2/111/apjaaa4bbieqn3.gif] {$(2-1)$} with coverage overlapping four of the five HS 3 regions. We detect [C ii ] and [O i ] throughout all of the regio...

Publisher URL: http://iopscience.iop.org/0004-637X/853/2/111

DOI: 10.3847/1538-4357/aaa4bb

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