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The Galaxy appears to be richer in young, massive stellar clusters than previously known, due to advances in infrared surveys which have uncovered deeply embedded regions of star formation. Young, massive clusters can significantly impact…

Astrophysics of Galaxies · Physics 2015-06-11 Emily E. Richards , Cornelia C. Lang , Christine Trombley , Donald F. Figer

We have observed the IC1396W globule in a narrow band filter centred on the 1-0 S(1) line of molecular hydrogen and in the J, H, K' broad-band filters. Three molecular hydrogen outflows could be identified by means of H2 emission. The…

Astrophysics · Physics 2009-11-07 D. Froebrich , A. Scholz

We have investigated the stellar and interstellar content of the distant star formation region IRAS 17591-2228 (WISE HII region GAL 007.47+0.06). It is associated to a water maser, whose parallax distance is d=20.4^{+2.8} {-2.2} kpc,…

We present results for an up-to-date uncatalogued star cluster projected towards the Eastern side of the Large Magellanic Cloud (LMC) outer disc. The new object was discovered from a search of loose star cluster in the Magellanic Clouds'…

Astrophysics of Galaxies · Physics 2016-04-20 Andrés E. Piatti

We report the properties of a new young double stellar cluster in the region towards IRAS 07141-0920 contained in the HII region Sh2-294. High-resolution optical UBVRI and Halpha images, near-infrared JHKs and H2 filter images were used to…

Astrophysics · Physics 2009-11-13 Joao L. Yun , Anlaug Amanda Djupvik , Antonio J. Delgado , Emilio J. Alfaro

We present new near-infrared spectroscopic observations of the outer edges of the young stellar cluster around the supermassive black hole at the Galactic center. The observations show a break in the surface-density profile of young stars…

Astrophysics of Galaxies · Physics 2015-08-06 Morten N. Støstad , Tuan Do , Norm Murray , Jessica R. Lu , Sylvana Yelda , Andrea M. Ghez

We report detection of a Young Stellar Object with an evidence for an outflow in the form of knots in the molecular hydrogen emission line (2.121 micron) towards the massive star forming region IRAS 06061+2151. Near-infrared images reveal…

Astrophysics · Physics 2009-11-10 B. G. Anandarao , A. Chakraborty , D. K. Ojha , L. Testi

Star formation in starbursts appears to be biased toward compact clusters, with up to 20% of all stars formed in them. Observations with HST show that many of these clusters have luminosities (-9 > Mv > -16), UBVI colors, and half-light…

Astrophysics · Physics 2007-05-23 Francois Schweizer

We report the discovery of a new, low luminosity star cluster in the outer halo of the Milky Way. High quality $gr$ photometry is presented, from which a color-magnitude diagram is constructed, and estimates of age, [Fe/H], [$\alpha$/Fe],…

Astrophysics of Galaxies · Physics 2015-06-23 Dongwon Kim , Helmut Jerjen , Antonino P. Milone , Dougal Mackey , Gary S. Da Costa

We report NIR broad and narrow band photometric observations in the direction of the IRAS17149-3916 source that reveal the presence of a young cluster of massive stars embedded in an HII region coincident with RCW121. These observations,…

Astrophysics · Physics 2008-11-26 Alexandre Roman-Lopes , Zulema Abraham

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 present observations of 3.86 sq. deg. of the Perseus molecular cloud complex with the Spitzer Space Telescope Infrared Array Camera (IRAC). The maps show strong extended emission arising from shocked H2 in outflows in the region and from…

The results of the searching on the bases of GPS UKIDSS survey's data of dense compact stellar clusters in the vicinity of 20 YSOs with high and middle masses are presented. Totally we have revealed clusters in 13 areas. Around 5 objects…

Solar and Stellar Astrophysics · Physics 2015-12-29 N. M. Azatyan , E. H. Nikoghosyan

This work reports the discovery of three new globular clusters (GCs) towards the Galactic bulge - Camargo 1107, 1108, and 1109. The discovery was made using the WISE, 2MASS, VVV, and Gaia-DR2 photometry. The new findings are old (12.0-13.5…

Astrophysics of Galaxies · Physics 2019-01-25 Denilso Camargo , Dante Minniti

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 present results of an infrared study of the molecular cloud Lynds 1340, forming three groups of low and intermediate-mass stars. Our goals are to identify and characterise the young stellar population of the cloud, study the…

Solar and Stellar Astrophysics · Physics 2016-06-09 M. Kun , G. Wolf-Chase , A. Moór , D. Apai , Z. Balog , J. O'Linger-Luscusk , G. Moriarty-Schieven

The 30 Doradus region in the Large Magellanic Cloud is one of the most outstanding star forming regions of the Local Group and a primary target to study star formation in an environment of low metallicity. In order to obtain a more complete…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 M. Rubio , S. Paron , G. Dubner

The Eos cloud, recently discovered in the far ultraviolet via H$_2$ fluorescence, is one of the nearest known dark molecular clouds to the Sun, with a distance spanning from $\sim94-136$pc. However, with a mass…

Using a 90 ks Chandra ACIS-S observation in the 0.3--7 keV band, along with complementary Low-Frequency Array and Karl G.~Jansky Very Large Array data in the 120--168 MHz and 1--2 GHz ranges, we study the diffuse emission around the nearby…

High Energy Astrophysical Phenomena · Physics 2025-08-19 Q. Daniel Wang , Juergen Ott

A systematic search of the 2MASS point source catalog, covering 47% of the sky, was carried out aiming to reveal any hidden globular clusters in our Galaxy. Eight new star clusters were discovered by a search algorithm based on finding…

Astrophysics · Physics 2009-11-07 V. D. Ivanov , J. Borissova , P. Pessev , G. R. Ivanov , R. Kurtev