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200 papers

In this contribution I will present the current status of our project of stellar population analyses and spatial information of both Magellanic Clouds (MCs). The Magellanic Clouds - especially the LMC with its large size and small depth…

Astrophysics · Physics 2007-05-23 Jochen M. Braun

The structure and dynamics of the star-forming disk of the Small Magellanic Cloud (SMC) have long confounded us. The SMC is widely used as a prototype for galactic physics at low metallicity, and yet we fundamentally lack an understanding…

We have compiled a pseudo-snapshot data set of two-colour observations from the Hubble Space Telescope archive for a sample of 53 rich LMC clusters with ages 10^6-10^10 yr. We present surface brightness profiles for the entire sample, and…

Astrophysics · Physics 2008-11-26 A. D. Mackey , G. F. Gilmore

We recover the spatially resolved star formation history across the entire main body and Wing of the Small Magellanic Cloud (SMC), using fourteen deep tile images from the VISTA survey of the Magellanic Clouds (VMC), in the YJKs filters.…

Recent observations have found that the age distribution of star clusters (SCs) in the Small Magellanic Cloud (SMC) shows a sharp peak around 2 Gyr ago. However, it is theoretically unclear what physical processes are responsible for such…

Astrophysics of Galaxies · Physics 2021-12-30 Mia L Williams , Kenji Bekki , Madeleine L McKenzie

The Small Magellanic Cloud (SMC) is the closest low-metallicity galaxy to the Milky Way where the dynamical state of molecular clouds can be analyzed. We present a CO(2-1) survey at 9 pc resolution obtained with the APEX telescope in an…

Astrophysics of Galaxies · Physics 2023-04-19 H. P. Saldaño , M. Rubio , A. D. Bolatto , C. Verdugo , K. E. Jameson , A. K. Leroy

The projected distribution of stars in the Small Magellanic Cloud (SMC) from the Magellanic Clouds Photometric Survey is analysed. Stars of different ages are selected via criteria based on V magnitude and V-I colour, and the degree of…

Astrophysics · Physics 2011-07-21 M. Gieles , N. Bastian , B. Ercolano

We use spectroscopic data for ${\sim}6,000$ Red Giant Branch (RGB) stars in the Small Magellanic Cloud (SMC), together with proper motion data from \textit{Gaia} Early Data Release 3 (EDR3), to build a mass model of the SMC. We test our…

Astrophysics of Galaxies · Physics 2024-10-24 Michele De Leo , Justin I. Read , Noelia E. D. Noel , Denis Erkal , Pol Massana , Ricardo Carrera

We use data from the Magellanic Edges Survey (MagES) in combination with Gaia EDR3 to study the extreme southern outskirts of the Small Magellanic Cloud (SMC), focussing on a field at the eastern end of a long arm-like structure which wraps…

Astrophysics of Galaxies · Physics 2022-10-26 L. R. Cullinane , A. D. Mackey , G. S. Da Costa , S. E. Koposov , D. Erkal

We present the first results from the Swift Ultraviolet Survey of the Magellanic Clouds (SUMaC), the highest resolution ultraviolet (UV) survey of the Magellanic Clouds yet completed. In this paper, we focus on the Small Magellanic Cloud…

Astrophysics of Galaxies · Physics 2017-04-19 Lea M. Z. Hagen , Michael H. Siegel , Erik A. Hoversten , Caryl Gronwall , Stefan Immler , Alex Hagen

The Large Magellanic Cloud (LMC) is the most luminous satellite galaxy of the Milky Way and owing to its companion, the Small Magellanic Cloud (SMC), represents an excellent laboratory to study the interaction of dwarf galaxies. The aim of…

We present a map of the total intrinsic reddening across ~34 deg$^{2}$ of the Small Magellanic Cloud (SMC) derived using optical ($ugriz$) and near-infrared (IR; $YJK_{\mathrm{s}}$) spectral energy distributions (SEDs) of background…

We present preliminary results from a new HST archival program aimed at tightly constraining the ancient (>4 Gyr ago) star formation histories (SFHs) of the field populations of the SMC and LMC. We demonstrate the quality of the archival…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Daniel R. Weisz , Andrew E. Dolphin , Evan D. Skillman , Jon Holtzman , Julianne J. Dalcanton , Andrew A. Cole , Kyle Neary

We present new far infrared maps of the Small Magellanic Cloud (SMC) at 24, 70, and 160 microns obtained as part of the Spitzer Survey of the Small Magellanic Cloud (S3MC,Bolatto et al. 2006). These maps cover most of the active star…

We present a high quality CMD for a 36'x 36' field located 8 degrees (7 kpc) from the LMC center, as well as a precise determination of the LMC surface brightness derived from the resolved stellar population out to this large galactocentric…

Astrophysics · Physics 2009-11-10 C. Gallart , P. B. Stetson , E. Hardy , F. Pont , R. Zinn

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

We observed six fields of the Small Magellanic Cloud (SMC) with the Advanced Camera for Survey on board the Hubble Space Telescope in the F555W and F814W filters. These fields sample regions characterized by very different star and gas…

Astrophysics of Galaxies · Physics 2009-08-26 E. Sabbi , J. S. Gallagher , M. Tosi , J. Anderson , A. Nota , E. K. Grebel , M. Cignoni , A. A. Cole , G. S. Da Costa , D. Harbeck , K. Glatt , M. Marconi

We address the presently exciting issue of the presence of stellar clusters in the periphery of the Magellanic Clouds (MCs) and beyond by making use of a wealth of wide-field high-quality images released in advance from the Magellanic…

Astrophysics of Galaxies · Physics 2017-01-18 Andrés E. Piatti