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A stellar overdensity associated with the Small Magellanic Cloud

Pieres, A; Santiago, B X; Drlica-Wagner, Alex; Bechtol, K; van der Marel, R P; Besla, Gurtina; Martin, N F; Belokurov, Vasily; Gallart, Carme; Martinez-Delgado, David; Conn, Blair


We report the discovery of a stellar overdensity 8° north of the centre of the Small Magellanic Cloud (SMC; Small Magellanic Cloud Northern Over-Density; SMCNOD), using data from the first 2 yr of the Dark Energy Survey (DES) and the first year of the MAGellanic SatelLITEs Survey (MagLiteS). The SMCNOD is indistinguishable in age, metallicity and distance from the nearby SMC stars, being primarily composed of intermediate-age stars (6 Gyr, Z=0.001), with a small fraction of young stars (1 Gyr,...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stx507
Access Rights: Open Access


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