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Shocked poststarbust galaxy survey. I. Candidate post-starbust galaxies with emission line ratios consistent with shocks

Alatalo, Katherine; Cales, Sabrina L.; Rich, Jeffrey A.; Appleton, Philip N.; Kewley, Lisa; Lacy, Mark; Lanz, Lauranne; Medling, Anne M.; Nyland, Kristina


There are many mechanisms by which galaxies can transform from blue, star-forming spirals, to red, quiescent early-type galaxies, but our current census of them does not form a complete picture. Recent observations of nearby case studies have identified a population of galaxies that quench “quietly.” Traditional poststarburst searches seem to catch galaxies only after they have quenched and transformed, and thus miss any objects with additional ionization mechanisms exciting the remaining...[Show more]

CollectionsANU Research Publications
Date published: 2016-06
Type: Journal article
Source: The Astrophysical Journal Supplement Series
DOI: 10.3847/0067-0049/224/2/38
Access Rights: Open Access


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