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Z-FIRE: ISM PROPERTIES OF THE z=2.095 COSMOS CLUSTER

Kewley, Lisa; Yuan, TianTian; Nanayakkara, Themiya; Kacprzak, Glenn; Tran, Kim-Vy; Glazebrook, Karl; Spitler, Lee R.; Cowley, Michael; Dopita, Michael; Straatman, Caroline; Labbe, Ivo; Tomczak, Adam

Description

We investigate the ISM properties of 13 star-forming galaxies within the z~ 2 COSMOS cluster. We show that the cluster members have [N ii]/Halpha and [O iii]/Hbeta emission-line ratios similar to z~ 2 field galaxies, yet systematically different emission-line ratios (by ~0.17 dex) from the majority of local star-forming galaxies. We find no statistically significant difference in the [N ii]/Halpha and [O iii]/Hbeta line ratios or ISM pressures among the z~ 2 cluster galaxies and field galaxies...[Show more]

CollectionsANU Research Publications
Date published: 2016
Type: Journal article
URI: http://hdl.handle.net/1885/152262
Source: The Astrophysical Journal
DOI: 10.3847/0004-637X/819/2/100
Access Rights: Open Access

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