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A 10 kpc stellar substructure at the edge of the Large Magellanic Cloud: perturbed outer disk or evidence for tidal stripping?

Mackey, Dougal; Koposov, Sergey E.; Erkal, Denis; Belokurov, Vasily; Da Costa, Gary; Gómez, Facundo A.

Description

We report the discovery of a substantial stellar overdensity in the periphery of the Large Magellanic Cloud (LMC), found using public imaging from the first year of the Dark Energy Survey. The structure appears to emanate from the edge of the outer LMC disc at a radius ≈13°.5 due north of its centre, and stretches more than 10 kpc towards the east. It is roughly 1.5 kpc wide and has an integrated V-band luminosity of at least MV = -7.4. The stellar populations in the feature are...[Show more]

CollectionsANU Research Publications
Date published: 2015-08-06
Type: Journal article
URI: http://hdl.handle.net/1885/111560
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stw497
Access Rights: Open Access

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