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Exploring the Magellanic Stellar Periphery

Published online by Cambridge University Press:  30 October 2025

L. R. Cullinane Open the ORCID record for L. R. Cullinane [Opens in a new window] ,
A. D. Mackey ,
G. S. Da Costa ,
D. Erkal  and
S. E. Koposov
L. R. Cullinane*
Affiliation:
The William H. Miller III Department of Physics & Astronomy, Bloomberg Center for Physics and Astronomy, Johns Hopkins University, 3400 N. Charles Street, Baltimore, MD 21218
G. S. Da Costa
Affiliation:
Research School of Astronomy and Astrophysics, Australian National University, Canberra, ACT 2611, Australia
D. Erkal
Affiliation:
Department of Physics, University of Surrey, Guildford GU2 7XH, UK
S. E. Koposov
Affiliation:
Institute for Astronomy, University of Edinburgh, Royal Observatory, Blackford Hill, Edinburgh EH9 3HJ, UK Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA, UK
*
email: lcullin4@jhu.edu
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Abstract

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Recent panoramic maps of the Magellanic system have revealed a wealth of low-surface-brightness stellar substructures surrounding both the Large and Small Magellanic Clouds (LMC/SMC); clear evidence of tidal interactions between the two Clouds, as well as with the Milky Way. The Magellanic Edges Survey (MagES), a spectroscopic survey that targets red clump and red giant branch stars across the outskirts of both Clouds, aims to characterise these features and shed light on their formation. We summarise recent results from MagES, which suggest multiple previous LMC-SMC interactions are required to fully explain the observed dynamical properties of the Clouds.

Keywords

Magellanic CloudsLocal GroupGalaxies: kinematics and dynamics

Information

Type
Contributed Paper
Information
Proceedings of the International Astronomical Union , Volume 19 , Symposium S379: Dynamical Masses of Local Group Galaxies , December 2023 , pp. 207 - 215
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Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution and reproduction, provided the original article is properly cited.
Copyright
© The Author(s), 2025. Published by Cambridge University Press on behalf of International Astronomical Union

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