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Related papers: A Dynamical Mass Estimate from the Magellanic Stre…

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The Magellanic Stream (MS) is a well-resolved gaseous tail originating from the Magellanic Clouds. Studies of its physical properties and chemical composition are needed to understand its role in Galactic evolution. We investigate the…

Astrophysics of Galaxies · Physics 2015-06-23 Nimisha Kumari , Andrew J. Fox , Jason Tumlinson , Christopher Thom , Tobias Westmeier , Justin Ely

The formation of the Magellanic Stream has puzzled astronomers for decades. In this review, we outline the history of our understanding of the Magellanic System highlighting key observations that have revolutionized thinking of its…

Astrophysics of Galaxies · Physics 2024-11-19 Scott Lucchini

Recent proper motion measurements of the Large and Small Magellanic Clouds (LMC and SMC, respectively) by Kallivayalil et al (2006a,b) suggest that the 3D velocities of the Clouds are substantially higher (~100 km/s) than previously…

The Magellanic Stream is a 100\deg x 10\deg filament of gas which lies within the Galactic halo and contains ~ 2 x 10^8 \Msun of neutral hydrogen. We present data from the HI Parkes All Sky Survey (HIPASS) in the first complete survey of…

Astrophysics · Physics 2008-11-26 M. E. Putman , L. Staveley-Smith , K. C. Freeman , B. K. Gibson , D. G. Barnes

A combination of analytic models and n-body simulations implies that the structural evolution of the Large Magellanic Cloud (LMC) is dominated by its dynamical interaction with the Milky Way. Although expected at some level, the scope of…

Astrophysics · Physics 2009-10-31 Martin D. Weinberg

The Magellanic Stream (MS) is a vast gaseous structure in the Milky Way halo, containing most of its mass in ionized form and tracing the interaction between the Large and Small Magellanic Clouds and the Galaxy. Using HST/COS G160M spectra…

We study the effect of drag induced by the Galactic hot halo on the two neutral hydrogen (HI) cloud complexes associated with the Large and Small Magellanic Clouds: the Magellanic Stream (MS) and the Leading Arm (LA). In particular, we…

Astrophysics of Galaxies · Physics 2015-05-27 Jonathan Diaz , Kenji Bekki

Recent observational and theoretical studies on the three-dimensional (3D) space motions of the Large and the Small Magellanic Clouds (LMC and SMC, respectively) have strongly suggested that the latest proper motion measurements of the…

Astrophysics · Physics 2009-11-13 Kenji Bekki

We report the discovery of a young (${\rm age} \sim 130~{\rm Myr}$), low-mass ($M \sim 1200~{\rm M}_\odot$), metal-poor ($[{\rm Fe}/{\rm H}] \sim -1.1$) stellar association at a heliocentric distance $D \approx 29~{\rm kpc}$, placing it far…

In this paper, we build from previous work (Bustard et al. 2018) and present simulations of recent (within the past Gyr), magnetized, cosmic ray driven outflows from the Large Magellanic Cloud (LMC), including our first attempts to…

Astrophysics of Galaxies · Physics 2020-04-28 Chad Bustard , Ellen G. Zweibel , Elena D'Onghia , J. S. Gallagher , Ryan Farber

A recent paper by Stanimirovic etal (2008) presents quit interesting results from HI observations of the Magellanic Stream (MS) tip. The high spatial resolution of the data reveals rich and complex morphological and kinematic structures;…

Astrophysics · Physics 2008-09-29 Itzhak Goldman

Recent maps of the halo using RR Lyrae from Pan-STARRS1 have clearly depicted the spatial structure of the Sagittarius stream. These maps show the leading and trailing stream apocenters differ in galactocentric radius by a factor of two,…

The highly-substructured outskirts of the Magellanic Clouds provide ideal locations for studying the complex interaction history between both Clouds and the Milky Way (MW). In this paper, we investigate the origin of a >20$^\circ$ long…

Astrophysics of Galaxies · Physics 2021-12-15 L. R. Cullinane , A. D. Mackey , G. S. Da Costa , D. Erkal , S. E. Koposov , V. Belokurov

Motivated by recent observations of the Sagittarius stream, we devise a rapid algorithm to generate faithful representations of the centroids of stellar tidal streams formed in a disruption of a progenitor of an arbitrary mass in an…

Astrophysics of Galaxies · Physics 2014-11-03 S. L. J. Gibbons , V. Belokurov , N. W. Evans

The extensive span of the Sagittarius (Sgr) stream makes it a promising tool for studying the Milky Way gravitational potential. Characterizing its stellar kinematics can constrain halo properties and provide a benchmark for the Cold Dark…

Astrophysics of Galaxies · Physics 2017-03-08 Marion Dierickx , Abraham Loeb

Gas morphology and kinematics in the Milky Way contain key information for understanding the formation and evolution of our Galaxy. We present a high resolution hydrodynamical simulation based on a realistic barred Milky Way potential…

Astrophysics of Galaxies · Physics 2022-02-02 Zhi Li , Juntai Shen , Ortwin Gerhard , Jonathan P. Clarke

We present and apply a method to infer the mass of the Milky Way (MW) by comparing the dynamics of MW satellites to those of model satellites in the EAGLE cosmological hydrodynamics simulations. A distribution function (DF) for galactic…

Recent studies have suggested that the Milky Way (MW)'s Dark Matter (DM) halo may be significantly tilted with respect to its central stellar disk, a feature that might be linked to its formation history. In this work, we demonstrate a…

Astrophysics of Galaxies · Physics 2022-10-28 Nondh Panithanpaisal , Robyn E. Sanderson , Arpit Arora , Emily C. Cunningham , Jay Baptista

The Magellanic Clouds (MCs) are the most massive gas-bearing systems falling into the Galaxy at the present epoch. They show clear signs of interaction, manifested in particular by the Magellanic Stream, a spectacular gaseous wake that…

Astrophysics of Galaxies · Physics 2019-06-26 Thor Tepper-García , Joss Bland-Hawthorn , Marcel S. Pawlowski , Tobias K. Fritz

We use high resolution N-body/SPH simulations to study the hydrodynamical interaction between the Large Magellanic Cloud (LMC) and the hot halo of the Milky Way. We investigate whether ram-pressure acting on the satellite's ISM can explain…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 Chiara Mastropietro , Andreas Burkert , Ben Moore