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We derive the star formation history in four regions of the Small Magellanic Cloud (SMC) using the deepest VI color-magnitude diagrams (CMDs) ever obtained for this galaxy. The images were obtained with the Advanced Camera for Surveys…

Astrophysics of Galaxies · Physics 2015-06-16 M. Cignoni , A. A. Cole , M. Tosi , J. S. Gallagher , E. Sabbi , J. Anderson , E. K. Grebel , A. Nota

We have derived high spatial resolution metallicity maps covering $\sim$42 deg$^2$ across the Small Magellanic Cloud (SMC) in an attempt to understand its metallicity distribution and gradients up to a radius of $\sim$ 4$^{\circ}$. Using…

Aiming at providing a firm mean distance estimate to the Small Magellanic Cloud (SMC), and thus to place it within the internally consistent Local Group distance framework we recently established, we compiled the current-largest database of…

Solar and Stellar Astrophysics · Physics 2015-05-20 Richard de Grijs , Giuseppe Bono

The stellar mass-luminosity relation is poorly constrained by observations for high mass stars. We describe our program to find eclipsing massive binaries in the Magellanic Clouds using photometry of regions rich in massive stars, and our…

Solar and Stellar Astrophysics · Physics 2015-06-03 Philip Massey , Nidia I. Morrell , Kathryn F. Neugent , Laura R. Penny , Kathleen-DeGioia Eastwood , Douglas R. Gies

Because Spitzer is an Earth-trailing orbit, losing about 0.1 AU/yr, it is excellently located to perform microlens parallax observations toward the Magellanic Clouds (LMC/SMC) and the Galactic bulge. These yield the so-called ``projected…

Astrophysics · Physics 2009-06-23 Andrew Gould

Using hundreds of XMM-Newton and Chandra archival observations and nearly a thousand RXTE observations, we have generated a comprehensive library of the known pulsars in the Small and Large Magellanic Clouds (SMC, LMC). The pulsars are…

High Energy Astrophysical Phenomena · Physics 2017-03-16 J. Yang , S. G. T. Laycock , J. J. Drake , M. J. Coe , S. Fingerman , J. Hong , V. Antoniou , A. Zezas

We present ground-based {\it B} and {\it R}-band color-magnitude diagrams (CMDs) of unprecedented depth for twelve fields in the Small Magellanic Cloud (SMC). They reach the oldest main-sequence turnoffs and cover a wide range of…

Astrophysics · Physics 2007-05-23 Noelia E. D. Noel , Carme Gallart , Edgardo Costa , Rene A. Mendez

We present a photometric catalog for Spitzer Space Telescope warm mission observations of the North Ecliptic Pole (NEP; centered at $\rm R.A.=18^h00^m00^s$, $\rm Decl.=66^d33^m38^s.552$). The observations are conducted with IRAC in 3.6…

We derive the spatially-resolved star formation history (SFH) for a $96$ deg$^2$ area across the main body of the Large Magellanic Cloud (LMC), using the near-infrared photometry from the VISTA survey of the Magellanic Clouds (VMC). The…

We used Spitzer's Infrared Spectrograph (IRS) to observe stars in the Small Magellanic Cloud (SMC) selected from the Midcourse Space Experiment (MSX) Point Source Catalog. We concentrate on the dust properties of oxygen-rich evolved stars,…

Solar and Stellar Astrophysics · Physics 2017-01-13 K. E. Kraemer , G. C. Sloan , P. R. Wood , O. C. Jones , M. P. Egan

The Spitzer-South Pole Telescope Deep Field (SSDF) is a wide-area survey using Spitzer's Infrared Array Camera (IRAC) to cover 94 square degrees of extragalactic sky, making it the largest IRAC survey completed to date outside the Milky Way…

We present a catalog of star clusters, associations and related extended objects in the Small Magellanic Cloud and the Magellanic Bridge with 2741 entries, a factor 2 more than a previous version from a decade ago. Literature data till…

We combine Spitzer and ground-based observations to measure the microlens parallax of OGLE-2005-SMC-001, the first such space-based determination since S. Refsdal proposed the idea in 1966. The parallax measurement yields a projected…

The Southern Photometric Local Universe Survey (S-PLUS) is a project to map $\sim9300$ sq deg of the sky using twelve bands (seven narrow and five broadbands). Observations are performed with the T80-South telescope, a robotic telescope…

Astrophysics of Galaxies · Physics 2024-07-31 Fabio R. Herpich , Felipe Almeida-Fernandes , Gustavo B. Oliveira Schwarz , Erik V. R. Lima , Lilianne Nakazono , Javier Alonso-García , Marcos A. Fonseca-Faria , Marilia J. Sartori , Guilherme F. Bolutavicius , Gabriel Fabiano de Souza , Eduardo A. Hartmann , Liana Li , Luna Espinosa , Antonio Kanaan , William Schoenell , Ariel Werle , Eduardo Machado-Pereira , Luis A. Gutiérrez-Soto , Thaís Santos-Silva , Analia V. Smith Castelli , Eduardo A. D. Lacerda , Cassio L. Barbosa , Hélio D. Perottoni , Carlos E. Ferreira Lopes , Raquel Ruiz Valença , Pierre Augusto Re Martho , Clecio R. Bom , Charles J. Bonatto , Maiara S. Carvalho , Vitor Cernic , Roberto Cid Fernandes , Paula Coelho , Ariana Cortesi , Barbara Cubillos Palma , Lia Doubrawa , Vincenzo Sivero Ferreira Alberice , Fredi Quispe Huaynasi , Gabriel Jacob Perin , Marcelo Jaque Arancibia , Angela Krabbe , Ciria Lima-Dias , Luis Lomelí-Núñez , Raimundo Lopes de Oliveira , Amanda R. Lopes , André Luiz Figueiredo , Elismar Lösch , Felipe Navarete , Julia Mello de Oliveira , Roderik Overzier , Vinicius M. Placco , Fernando V. Roig , Mariana Rubet , André Santos , Victor Hugo Sasse , Julia Thaina-Batista , Sergio Torres-Flores , Timothy C. Beers , Alvaro Alvarez-Candal , Stavros Akras , Swayamtrupta Panda , Guilherme Limberg , José Luis Nilo Castellón , Eduardo Telles , Paulo Afranio Lopes , Gissel Dayana Pardo Montaguth , Leandro Beraldo e Silva , Pedro K. Humire , Marcelo Borges Fernandes , Vinícius Cordeiro , Tiago Ribeiro , Claudia Mendes de Oliveira

[abridged] We present 52-93 micron spectra obtained with Spitzer in the MIPS-SED mode, of a representative sample of luminous compact far-IR sources in the LMC. These include carbon stars, OH/IR AGB stars, post-AGB objects and PNe,…

Detailed 4.8- and 8.6-GHz radio images of the entire Large Magellanic Cloud with half-power beamwidths of 33" at 4.8 GHz and 20" at 8.6 GHz have been obtained using the Australia Telescope Compact Array. A total of 7085 mosaic positions…

Astrophysics · Physics 2008-11-26 J. R. Dickel , V. J. McIntyre , R. A. Gruendl , D. K. Milne

We present maps of over 1.5 square degrees in Chamaeleon (Cha) II at 24, 70, and 160 micron observed with the Spitzer Space Telescope Multiband Imaging Photometer for Spitzer (MIPS) and a 1.2 square degree millimeter map from SIMBA on the…

Local-Group galaxies provide access to samples of X-ray source populations of whole galaxies. The XMM-Newton survey of the Small Magellanic Cloud (SMC) completely covers the bar and eastern wing with a 5.6 deg^2 area in the (0.2-12.0) keV…

High Energy Astrophysical Phenomena · Physics 2015-06-16 R. Sturm , F. Haberl , W. Pietsch , J. Ballet , D. Hatzidimitriou , D. A. H. Buckley , M. Coe , M. Ehle , M. D. Filipovic , N. La Palombara , A. Tiengo

A sample of 27 Planetary Nebulae (PNs) in the Small Magellanic Clouds (SMC) have been observed with the Hubble Space Telescope Imaging Spectrograph (HST/STIS) to determine their morphology, size, and the spatial variation of the ratios of…

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…