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We present the analysis of deep colour-magnitude diagrams (CMDs) of 6 stellar fields in the LMC. The data were obtained using HST/WFPC2 in the I and V filters, reaching V=26.5. We discuss and apply a method of correcting CMDs for…

Astrophysics · Physics 2009-11-10 S. C. Javiel , B. X. Santiago , L. O. Kerber

Galactic star formation scaling relations show increased scatter from kpc to sub-kpc scales. Investigating this scatter may hold important clues to how the star formation process evolves in time and space. Here, we combine different…

Astrophysics of Galaxies · Physics 2017-06-14 Bram B. Ochsendorf , Margaret Meixner , Julia Roman-Duval , Mubdi Rahman , Neal J. Evans

The Large Magellanic Cloud (LMC) exhibits vigorous high-mass star formation, including the HII regions 30~Dor that is the most active site of star formation in the local group. The present paper focuses on the Giant Molecular Cloud (GMC) in…

We present an analysis of age, metal abundance, and positional data on populous clusters in the Small Magellanic Cloud (SMC) with the ultimate aim of determining the line-of-sight (LOS) depth of the SMC using these clusters as proxies. Our…

The second survey of the molecular clouds in 12CO (J = 1-0) was carried out in the Large Magellanic Cloud by NANTEN. The sensitivity of this survey is twice as high as that of the previous NANTEN survey, leading to a detection of molecular…

Mid-infrared spectra from the Medium Resolution Spectrometer on the James Webb Space Telescope have revealed the molecular chemistry of carbon stars in the Large Magellanic Cloud with better resolution and sensitivity than previously…

We analysed Washington $CMT_1$ photometry of star clusters located along the minor axis of the LMC, from the LMC optical centre up to $\sim$ 39 degrees outwards to the North-West. The data base was exploited in order to search for new star…

Astrophysics of Galaxies · Physics 2017-10-18 Andrés E. Piatti , Andrew A. Cole , Bryn Emptage

Investigating star formation requires precise knowledge of the properties of the dense molecular gas. The low metallicity and wide range of star formation activity of the Large and Small Magellanic Clouds make them prime laboratories to…

We present results from a study of the distances and distribution of a sample of intermediate-age clusters in the Large Magellanic Cloud. Using deep near-infrared photometry obtained with ISPI on the CTIO 4m, we have measured the apparent…

Astrophysics · Physics 2009-06-23 A. J. Grocholski , A. Sarajedini , K. A. G. Olsen , G. P. Tiede , C. L. Mancone

We present the spatially resolved star formation history (SFH) of a shell-like structure located in the northeastern Small Magellanic Cloud (SMC). We quantitatively obtain the SFH using unprecedented deep photometric data (g~24 magnitude)…

Astrophysics of Galaxies · Physics 2023-05-05 Joanna D. Sakowska , Noelia E. D. Noël , Tomás Ruiz-Lara , Carme Gallart

Embedded clusters are ideal laboratories to understand the early phase of the dynamical evolution of clusters as well as the massive star formation. An interesting observational phenomenon is that some of the embedded clusters show mass…

Solar and Stellar Astrophysics · Physics 2015-06-11 Xinyue Er , Zhibo Jiang , Yanning Fu

We analyzed HST/WFPC2 colour-magnitude diagrams (CMDs) of 15 populous Large Magellanic Cloud (LMC) stellar clusters with ages between ~ 0.3 Gyr and ~ 3 Gyr. These (V, B-V) CMDs are photometrically homogeneous and typically reach V \~ 22.…

Astrophysics · Physics 2009-11-11 L. O. Kerber , B. X. Santiago , E. Brocato

To study the impact of the initial effects of metallicity (i.e., the abundance of elements heavier than helium) on star formation and the formation of different molecular species, we searched for hot molecular cores in the sub-solar…

We investigate star formation at very early evolutionary phases in five massive clouds in the inner 500 pc of the Galaxy, the Central Molecular Zone. Using interferometer observations of H$_2$O masers and ultra-compact H II regions, we find…

The main goal of this study is to compile a catalogue including the fundamental parameters of a complete sample of 277 star clusters (SCs) of the Large Magellanic Cloud (LMC) observed in the Washington photometric system, including 82…

Solar and Stellar Astrophysics · Physics 2016-01-27 Tali Palma , Luciana V. Gramajo , Juan J. Clariá , Marcelo Lares , Doug Geisler , Andrea V. Ahumada

[Abridged] We have studied the optical spectra of 28 O- and early B-type stars in the Large Magellanic Cloud, 22 of which are associated with the young star-forming region N11. Stellar parameters are determined using an automated fitting…

We report the results of a high spatial (parsec) resolution HCO+ (J = 1-0) and HCN (J = 1-0) emission survey toward the giant molecular clouds of the star formation regions N105, N113, N159, and N44 in the Large Magellanic Cloud. The HCO+…

Astrophysics of Galaxies · Physics 2015-06-04 Jonathan P. Seale , Leslie W. Looney , Tony Wong , Juergen Ott , Uli Klein , Jorge L. Pineda

VISTA observed the Small Magellanic Cloud (SMC), as part of the VISTA survey of the Magellanic Clouds system (VMC), for six years (2010-2016). The acquired multi-epoch YJKs images have allowed us to probe the stellar populations to an…

Astrophysics of Galaxies · Physics 2020-01-08 Maria-Rosa L. Cioni , Florian Niederhofer , Stefano Rubele , Ning-Chen Sun

A survey of extended objects in the Large Magellanic Cloud was carried out on the ESO/SERC R and J Sky Survey Atlases, checking entries in previous catalogs and searching for new objects. The census provided 6659 objects including star…

Astrophysics · Physics 2008-11-26 Eduardo L. D. Bica , Henrique R. Schmitt , Carlos , M. Dutra , Humberto L. Oliveira

We present Washington C, T1 CCD photometry of 21 fields located in the northern part of the Large Magellanic Cloud (LMC), and spread over a region of more than 2.52 degrees approximately 6 degrees from the bar. The surveyed areas were…

Astrophysics · Physics 2009-10-31 A. E. Piatti , D. Geisler , E. Bica , J. J. Claria , J. F. C. Santos , A. Sarajedini , H. Dottori