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The distribution of size as a function of age observed for star clusters in the Large Magellanic Cloud (LMC) is very puzzling: young clusters are all compact, while the oldest systems show both small and large sizes. It is commonly…

Astrophysics of Galaxies · Physics 2019-09-06 F. R. Ferraro , B. Lanzoni , E. Dalessandro , M. Cadelano , S. Raso , A. Mucciarelli , G. Beccari , C. Pallanca , -

We study the orbits of ultra-faint dwarf galaxies in the combined presence of the Milky Way and LMC and we find 6 dwarfs which were likely accreted with the LMC (Car 2, Car 3, Hor 1, Hyi 1, Phe 2, Ret 2), in addition to the SMC,…

Astrophysics of Galaxies · Physics 2020-05-13 Denis Erkal , Vasily A. Belokurov

We modeled the kinematics of the Small Magellanic Cloud (SMC) by analyzing the proper motion (PM) from Gaia DR3 of nine different stellar populations, which include young main sequence (MS) stars (< 2 Gyr), red giant branch stars, red clump…

Astrophysics of Galaxies · Physics 2025-01-03 S. R. Dhanush , A. Subramaniam , S. Subramanian

The origin of the giant stellar arcs in the LMC remains a controversial issue, discussed since 1966. No other stellar arc is so perfect a segment of a circle, moreover, there is another similar arc nearby. Many hypotheses were advanced to…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Yuri N. Efremov

In the $\Lambda$CDM model of structure formation galactic haloes build up by accretion of mass and mergers of smaller subunits. The most recent massive merger event experienced by the Milky Way (MW) halo was the accretion of the Large…

Astrophysics of Galaxies · Physics 2020-08-05 Tilly A. Evans , Azadeh Fattahi , Alis J. Deason , Carlos S. Frenk

The age distribution function of star clusters in the Large Magellanic Cloud (LMC) is known to present a feature called the cluster age gap, a period of time from ~ 4 to 11 Gyr ago with a remarkable small number of clusters identified. In…

Astrophysics of Galaxies · Physics 2025-07-28 Andrés E. Piatti

The formation history of the Small Magellanic cloud (SMC) is unraveled based on the results of our new chemical evolution models constructed for the SMC, highlighting the observed anomaly in the age-metallicity relation for star clusters in…

Astrophysics of Galaxies · Physics 2009-07-22 Takuji Tsujimoto , Kenji Bekki

We present high-resolution maps of the dust reddening in the Magellanic Clouds (MCs). The maps cover the Large and Small Magellanic Cloud (LMC and SMC) area and have a spatial angular resolution between $\sim$ 26 arcsec and 55 arcmin. Based…

Astrophysics of Galaxies · Physics 2022-01-19 B. -Q. Chen , H. -L. Guo , J. Gao , M. Yang , Y. -L. Liu , B. -W. Jiang

We have used the latest HI observations of the Small Magellanic Cloud (SMC), obtained with the Australia Telescope Compact Array and the Parkes telescope, to re-examine the kinematics of this dwarf, irregular galaxy. A large velocity…

Astrophysics · Physics 2009-11-10 S. Stanimirovic , L. Staveley-Smith , P. Jones

We investigate the kinematics of neutral gas in the Small Magellanic Cloud (SMC) and test the hypothesis that it is rotating in a disk. To trace the 3D motions of the neutral gas distribution, we identify a sample of young, massive stars…

The LMC and SMC are interacting dwarf galaxies that offer a valuable testbed for studying the effects of galactic mergers. We investigate the chemodynamic history of the LMC in the context of its interaction with the SMC by inferring…

In this paper we discuss the age and spatial distribution of young (age$<$1Gyr) SMC and LMC clusters using data from the Magellanic Cloud Photometric Surveys. Luminosities are calculated for all age-dated clusters. Ages of 324 and 1193…

Astrophysics of Galaxies · Physics 2015-05-18 Katharina Glatt , Eva K. Grebel , Andreas Koch

The "VISTA near-infrared YJKs survey of the Magellanic System" (VMC) is collecting deep Ks-band time-series photometry of pulsating stars hosted by the two Magellanic Clouds and their connecting Bridge. Here we present YJKs light curves for…

This paper explores the dynamical interaction between extended halo and spheroid components of a disk galaxy and an environmental disturbance. One finds that resonant interaction between a galaxy and passing interlopers or satellite…

Astrophysics · Physics 2007-05-23 Martin D. Weinberg

After studying the orientation of a warp generated by a companion satellite, we show that the Galactic Warp would be oriented in a different way if the Magellanic Clouds were its cause. We have treated the problem analytically, and…

Astrophysics · Physics 2007-05-23 I. Garcia-Ruiz , K. Kuijken , J. Dubinski

The 3D observed velocities of the Large and Small Magellanic Clouds(LMC and SMC) provide an opportunity to probe the Galactic potential in the outskirt of the Galactic halo. Based on a canonical NFW model of the Galactic potential, Besla et…

Astrophysics of Galaxies · Physics 2015-06-11 Xiaojia Zhang , Douglas N. C. Lin , Andreas Burkert , Ludwig Oser

We analyze Hubble Space Telescope observations of six globular clusters in the Large Magellanic Cloud from program GO-14164 in Cycle 23. These are the deepest available observations of the LMC globular cluster population; their uniformity…

We use a new contiguous imaging survey conducted using the Dark Energy Camera to investigate the distribution and properties of young stellar populations in the Magellanic inter-Cloud region. These young stars are strongly spatially…

Astrophysics of Galaxies · Physics 2017-10-11 A. D. Mackey , S. E. Koposov , G. S. Da Costa , V. Belokurov , D. Erkal , F. Fraternali , N. M. McClure-Griffiths , M. Fraser
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