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On the origin of the Monoceros Ring - I. Kinematics, proper motions, and the nature of the progenitor

Guglielmo, Magda; Lane, Richard R.; Conn, Blair; Ho, Anna Y.Q.; Ibata, Rodrigo A; Lewis, Geraint Francis


TheMonoceros Ring (MRi) structure is an apparent stellar overdensity that has been postulated to entirely encircle the Galactic plane and has been variously described as being due to lineof- sight effects of the Galactic warp and flare or of extragalactic origin (via accretion). Despite being intensely scrutinized in the literature for more than a decade, no studies to date have been able to definitively uncover its origins. Here we use N-body simulations and a genetic algorithm to explore the...[Show more]

CollectionsANU Research Publications
Date published: 2018
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stx3048
Access Rights: Open Access


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