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The globular cluster (GC) nature of the recently catalogued candidate FSR 1767 is established in the present work. It results as the closest GC so far detected in the Galaxy. The nature of this object is investigated by means of 2MASS…

Astrophysics · Physics 2009-11-13 Charles Bonatto , Eduardo Bica , Sergio Ortolani , Beatriz Barbuy

We investigate the nature of the recently catalogued star cluster candidate FSR584, which is projected in the direction of the molecular cloud W3 and may be the nearest globular cluster to the Sun. 2MASS CMDs, the stellar radial density…

Astrophysics · Physics 2009-11-13 E. Bica , C. Bonatto , S. Ortolani , B. Barbuy

We are conducting a large program to classify newly discovered Milky Way star cluster candidates from the list of Froebrich, Scholz & Raftery (2007). Here we present deep NIR follow-up observations from ESO/NTT of 14 star cluster…

Astrophysics · Physics 2009-11-13 D. Froebrich , H. Meusinger , A. Scholz

(ABRIDGED) Recent near-IR surveys have uncovered a plethora of new globular cluster (GC) candidates towards the Milky Way bulge. These new candidates need to be confirmed as real GCs and properly characterised. We investigate the physical…

Astrophysics of Galaxies · Physics 2022-01-12 B. Dias , T. Palma , D. Minniti , J. G. Fernández-Trincado , J. Alonso-García , B. Barbuy , J. J. Clariá , M. Gomez , R. K. Saito

We investigate the nature of a sample of star cluster candidates detected as stellar overdensities towards the Galactic anticentre. Taken from the catalogue of Froebrich, Scholz, and Raftery (FSR), the sample contains 28 star cluster…

Astrophysics · Physics 2009-11-13 Charles Bonatto , Eduardo Bica

We investigate the star-formation ocurring in the region towards IRAS07527-3446 in the molecular cloud [MAB97]250.63-3.63, in the far outer Galaxy. We report the discovery of a new young stellar cluster, and describe its properties and…

Astrophysics of Galaxies · Physics 2015-05-13 Joao L. Yun , Davide Elia , Pedro M. Palmeirim , Joana I. Gomes , Andre M. Martins

We report the discovery of a new young stellar cluster in the outer Galaxy located at the position of an IRAS PSC source that has been previously mis-identified as an external galaxy. The cluster is seen in our near-infrared imaging towards…

Solar and Stellar Astrophysics · Physics 2015-08-06 J. L. Yun , D. Elia , A. A. Djupvik , J. M. Torrelles , S. Molinari

We provide evidence that indicate the star cluster Pfleiderer 2, which is projected in a rich field, as a newly identified Galactic globular cluster. Since it is located in a crowded field, core extraction and decontamination tools were…

Astrophysics of Galaxies · Physics 2015-05-13 Sergio Ortolani , Charles Bonatto , Eduardo Bica , Beatriz Barbuy

The discovery of a large population of intra-cluster star clusters in the central region of the Hydra I and Centaurus galaxy clusters is presented. Based on deep VLT photometry (V,I), many star clusters have been identified not only around…

Astrophysics · Physics 2009-11-07 Michael Hilker

We present the first results of a large spectroscopic survey of candidate globular clusters located in the extreme outskirts of the nearby M31 galaxy. We obtained low resolution spectra of 48 targets selected from the XSC of 2MASS, as in…

Astrophysics · Physics 2009-11-13 S. Galleti , M. Bellazzini , L. Federici , A. Buzzoni , F. Fusi Pecci

We report the discovery of a new young stellar cluster and molecular cloud located in the far outer Galaxy, seen towards IRAS 06361-0142, and we characterise their properties. Near-infrared images were obtained with VLT/ISAAC through JHKs…

Astrophysics · Physics 2019-08-19 Joao L. Yun , Ana Lopez-Sepulcre , Jose M. Torrelles

We report the first radial velocity measurements of the recently identified globular cluster FSR1758. From the two member stars with radial velocities from the Gaia Radial Velocity Spectrograph reported in Gaia DR2, we find FSR1758 has a…

Astrophysics of Galaxies · Physics 2019-07-10 Jeffrey D. Simpson

Recent near-IR Surveys have discovered a number of new bulge globular cluster (GC) candidates that need to be further investigated. Our main objective is to use public data from the Gaia Mission, VVV, 2MASS and WISE in order to measure the…

We observed an extended X-ray source designated as Suzaku J1759-3450 with the Suzaku and Chandra observations towards 1RXS J175911.0-344921, which is an unidentified X-ray source listed in the ROSAT Bright Source Catalogue. A conspicuous…

High Energy Astrophysical Phenomena · Physics 2015-06-16 Hideyuki Mori , Yoshitomo Maeda , Akihiro Furuzawa , Yoshito Haba , Yoshihiro Ueda

We present detailed chemical abundances, radial velocities and orbital parameters for FSR 1758, a recently discovered star cluster in the direction of the Galactic Bulge. High resolution (R~42,000) spectra were obtained using the…

Astrophysics of Galaxies · Physics 2019-09-25 Sandro Villanova , Lorenzo Monaco , Julia O'Connell , Doug Geisler , Dante Minniti , Paulina Assmann , Rodolfo Barba

We have identified 26 new globular cluster candidates in the inner 3 kpc of NGC 5128 (Cen A), the nearest known large galaxy being the probable product of a merger. The clusters are selected on the basis of their structural parameters…

Astrophysics · Physics 2009-10-28 D. Minniti , M. V. Alonso , P. Goudfrooij , P. Jablonka , G. Meylan

We present the physical characterization of FSR 1758, a new large, massive object very recently discovered in the Galactic Bulge. The combination of optical data from the 2nd Gaia Data Release (GDR2) and the DECam Plane Survey (DECaPS), and…

Astrophysics of Galaxies · Physics 2019-01-23 R. H. Barba , D. Minniti , D. Geisler , J. Alonso-Garcia , M. Hempel , A. Monachesi , J. I. Arias , F. A. Gomez

The galaxy cluster CLG0218.3-0510 at z=1.62 is one of the most distant galaxy clusters known, with a rich muti-wavelength data set that confirms a mature galaxy population already in place. Using very deep, wide area (20x20 Mpc) imaging by…

The number of known globular clusters in the Galactic bulge has been increasing steadily thanks to different new surveys. The aim of this study is to provide a census of the newly revealed globular clusters in the Galactic bulge, and…

Astrophysics of Galaxies · Physics 2024-08-06 E. Bica , S. Ortolani , B. Barbuy , R. A. P. Oliveira

The VISTA Variables in the Via L\'actea Extended Survey (VVVX) enables exploration of previously uncharted territories within the inner Milky Way (MW), particularly those obscured by stellar crowding and intense extinction. Our objective is…

Astrophysics of Galaxies · Physics 2024-09-11 Saroon S , Bruno Dias , Dante Minniti , M. C. Parisi , Matías Gómez , Javier Alonso-García
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