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Rest-frame UV and optical emission line diagnostics of ionized gas properties: a test case in a star-forming knot of a lensed galaxy at z similar to 1.7

Acharyya, Ayan; Kewley, Lisa; Rigby, J R; Bayliss, Matthew B; Bian, Fuyan; Nicholls, David; Federrath, Christoph; Kaasinen, M.; Florian, Michael; Blanc, Guillermo A.


We examine the diagnostic power of rest-frame ultraviolet (UV) nebular emission lines, and compare them to more commonly used rest-frame optical emission lines, using the test case of a single star-forming knot of the bright lensed galaxy RCSGA 032727–132609 at redshift z ∼ 1.7. This galaxy has complete coverage of all the major rest-frame UV and optical emission lines from Magellan/MagE and Keck/NIRSPEC. Using the full suite of diagnostic lines, we infer the physical properties: nebular...[Show more]

CollectionsANU Research Publications
Date published: 2019-07-25
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stz1987
Access Rights: Open Access


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