11,605 datasets found

Keywords: galactic and extragalactic astronomy

Filter Results
  • DIB in VLT-FLAMES Tarantula Survey

    The Tarantula Nebula (a.k.a. 30 Dor) is a spectacular star-forming region in the Large Magellanic Cloud (LMC), seen through gas in the Galactic disc and halo. Diffuse...
  • Ages and [Fe/H] of M31 globular clusters

    The formation and evolution of disk galaxies are long standing questions in Astronomy. Understanding the properties of globular cluster systems can lead to important insights on...
  • IRAM spectra toward M33 Giant Molecular Clouds

    We aim to better understand the emission of molecular tracers of the diffuse and dense gas in giant molecular clouds and the influence that metallicity, optical extinction,...
  • NGC 1817 proper motions and membership

    Absolute proper motions, their errors and membership probabilities of 810 stars in the area of two NGC objects, NGC 1817 and NGC 1807. The Tycho-2 Catalogue is used as the...
  • Binary and multiple clusters in the LMC

    Based on the Bica et al. (1999, Cat. ) catalogue we studied the star cluster system of the LMC area and provide a new catalogue of all binary and multiple cluster candidates...
  • Pleiades member list

    The luminosity function (LF) of the Pleiades cluster stars was constructed for the study of the LF fine structure related to pre-main sequence (MS) stellar evolution....
  • Proper Motions for High Luminosity Stars

    Meridian circle observations of high luminosity stars were used to supplement previous positions to derive improved proper motions. The proper motions and positions are derived...
  • Proper Motions of 1160 Late-Type Stars

    Improved proper motions for the 1160 stars contained in the photometric catalog by Dickow et al. (1970A&AS....2....1D, II/38) are presented. Most of the proper motions are...
  • X-ray luminosities of early-type galaxies

    We present a catalogue of X-ray luminosities for 401 early-type galaxies, of which 136 are based on newly analysed ROSAT PSPC pointed observations (Cat. ). The remaining...
  • Digitized Sky Survey

    The Online Digitized Sky Surveys (DSS1 & 2) server at the ESO/ST-ECF Archive provides access to the CD-ROM set produced by the Space Telescope Science Institute through its...
  • QSO J0455-4216 medium-band filt. light curves

    Powered by supermassive black holes at their centers, quasars are among the most luminous objects in the universe, serving as important probes of cosmic history and galaxy...
  • AXES-SDSS galaxy groups catalog

    The identification of X-ray and CMB sources as galaxy groups and clusters is a prerequisite for cluster cosmology. But the identification of groups, especially nearby ones,...
  • Metallicity maps of the Magellanic Clouds

    One key to understanding a galaxy's evolution is studying the consequences of its past dynamical interactions that have influenced its shape. By measuring the metallicity...
  • Radial gradients of K-band features in M87

    We present new K-band spectroscopy for the giant elliptical galaxy M87 in the Virgo cluster, taken with the Large Binocular Telescope Utility Camera in the Infrared (LUCI)...
  • Variable stars in Galactic open clusters

    Both star clusters and variable stars are sensitive laboratories of stellar astrophysics and evolution: cluster member stars provide context for interpreting cluster...
  • High energy multimessenger blazar PKS 1424+240

    The acceleration process of massive particles as well as the production of very high-energy (VHE) photons and neutrinos remains a fundamental challenge in astrophysics. We...
  • MUSE NGC 253 planetary nebulae

    NGC 253, the Sculptor galaxy, is the southern, massive, star-forming disk galaxy closest to the Milky Way. In this work, we present a new 103-pointing MUSE mosaic of this galaxy...
  • Morphologies of hard X-ray selected AGN

    We present detailed morphological classifications for the hosts of 1189 hard- X-ray-selected (14-195keV) active galactic nuclei (AGN) from the Swift-BAT 105-month catalog as...
  • Nearby Galaxies

    The sample contains the galaxies with a velocity less than 500km/s with respect to the centroid of the Local Group. The inclusion of a galaxy into the catalog depends on its...
  • Catalogue of galaxies towards the Coma Supercluster

    (Summary of the paper) The existence of a filament of galaxies was shown by Fontanelli (1984) in the Coma cluster region. This paper concerns the study of a IIIaJ Palomar...
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