523 datasets found

Keywords: stellar associations

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  • Star clusters in Magellanic Clouds

    We have introduced a semi-automated quantitative method to estimate the age and reddening of 1072 star clusters in the Large Magellanic Cloud (LMC) using the Optical...
  • Cygnus OB2 DANCe: Proper motion study

    We present a high-precision proper motion study of 873 X-ray and spectroscopically selected stars in the massive OB association Cygnus OB2 as part of the DANCe project. These...
  • Nuclear star clusters photometric masses

    Galactic nuclei typically host either a nuclear star cluster (NSC, prevalent in galaxies with masses <~10^10^M_{sun}) or a massive black hole (MBH, common in galaxies with...
  • M83 young star cluster light profiles

    We measure the radii and two-dimensional light profiles of a large sample of young, massive star clusters in M83 using archival HST/Wide Field Camera 3 (WFC3) imaging of seven...
  • The massive star population of Cygnus OB2

    We have compiled a significantly updated and comprehensive census of massive stars in the nearby Cygnus OB2 association by gathering and homogenising data from across the...
  • DR 21 Chandra source catalogue

    We have studied the young low-mass pre-main sequence (PMS) stellar population associated with the massive star-forming region DR 21 by using archival X-ray Chandra observations...
  • Ages and masses of LMC clusters

    Whether or not the rich star cluster population in the Large Magellanic Cloud (LMC) is affected by significant disruption during the first few x10^8^yr of its evolution is an...
  • Pre-main-sequence isochrones. II. SFR

    We have derived ages for 13 young (<30Myr) star-forming regions and find that they are up to a factor of 2 older than the ages typically adopted in the literature. This...
  • NGC5253 star clusters age and mass

    Using high-resolution Hubble Space Telescope data, we re-examine the fundamental properties (ages, masses and extinction values) of the rich star cluster population in the dwarf...
  • Massive clusters in the LMC

    The Large Magellanic Cloud (LMC) is one of the nearest galaxies to us and is one of only few galaxies where the star formation history can be determined from studying resolved...
  • Structural parameters of M33 star clusters

    We present the morphological properties of 161 star clusters in M33 using the Advanced Camera for Surveys Wide Field Channel on-board the Hubble Space Telescope using...
  • Old star clusters in the FSR catalogue

    We investigate the old star clusters in the sample of cluster candidates from the Froebrich, Scholz & Raftery (FSR, 2007, Cat. J/MNRAS/374/399) list. Based on photometry...
  • Stellar cluster dynamical masses in NGC3310

    Gas and star velocity dispersions have been derived for eight circumnuclear star-forming regions (CNSFRs) and the nucleus of the spiral galaxy NGC 3310 using high-resolution...
  • Stellar cluster dynamical masses in NGC2903

    Gas and star velocity dispersions have been derived for four circumnuclear star-forming regions (CNSFRs) and the nucleus of the spiral galaxy NGC 2903 using high-resolution...
  • Globular cluster in nearby dwarf galaxies. II

    We compare nuclear globular clusters (nGCs) in dwarf galaxies and Galactic GCs with extended (hot) horizontal branches (EHB-GCs) in order to test the suggested external origin...
  • Stellar association around gamma Vel

    We present the results of a photometric BVI survey of 0.9deg^2^ around the Wolf-Rayet binary gamma^2^ Vel and its early-type common proper motion companion gamma^1^ Vel...
  • H2 imaging of NGC 1333, L1455, L1448 and B1

    We discuss wide-field near-infrared (near-IR) imaging of the NGC 1333, L1448, L1455 and B1 star-forming regions in Perseus. The observations have been extracted from a much...
  • OB association members in ACT+TRC Catalogs

    The Hipparcos Catalogue (Cat. I/239) contains members of nearby OB associations brighter than 12th magnitude in V. However, membership lists are complete only to magnitude...
  • Variables in Cygnus OB2

    We present the results of the photometric CCD search for B-type variables in the central region of the Cygnus OB2 association. We discover 29 new variables including two Beta...
  • Molecular outflow sources

    A K'-band imaging survey with a ~8'x3' field of view of all regions associated with CO molecular outflow from the list of Fukui (1989) has been conducted. We present the...
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