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Clouds in Arms

Belokurov, Vasily A. and Erkal, Denis (2018) Clouds in Arms Monthly Notices of the Royal Astronomical Society Letters.

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Abstract

We use astrometry and broad-band photometry from Data Release 2 of the ESA’s Gaia mission to map out low surface-brightness features in the stellar density distribution around the Large and Small Magellanic Clouds. The LMC appears to have grown two thin and long stellar streams in its Northern and Southern regions, highly reminiscent of spiral arms. We use computer simulations of the Magellanic Clouds’ in-fall to demonstrate that these arms were likely pulled out of the LMC’s disc due to the combined influence of the SMC’s most recent fly-by and the tidal field of the Milky Way.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
NameEmailORCID
Belokurov, Vasily A.
Erkal, Denisd.erkal@surrey.ac.uk
Date : 2018
Funders : European Union’s Seventh Framework Programme
Copyright Disclaimer : This is a pre-copyedited, author-produced PDF of an article accepted for publication in Monthly Notices of the Royal Astronomical Society Letters, following peer review. The version of record will be available online at: https://academic.oup.com/mnrasl
Uncontrolled Keywords : Milky Way – galaxies: dwarf – galaxies: structure – Local Group – stars
Depositing User : Melanie Hughes
Date Deposited : 16 Nov 2018 17:39
Last Modified : 11 Dec 2018 11:24
URI: http://epubs.surrey.ac.uk/id/eprint/849894

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