Astrofísicas: Astrometría

  • Publicación
    Gaia Early Data Release 3. Summary of the contents and survey properties (Corrigendum)
  • Publicación
    Gaia Early Data Release 3. The celestial reference frame (Gaia-CRF3)
    Context. Gaia-CRF3 is the celestial reference frame for positions and proper motions in the third release of data from the Gaia mission, Gaia DR3 (and for the...
  • Publicación
    Gaia Early Data Release 3. The Gaia Catalogue of Nearby Stars
    Aims: We produce a clean and well-characterised catalogue of objects within 100 pc of the Sun from the Gaia Early Data Release 3. We characterise the catalogue...
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    Gaia early DR3 systemic motions of Local Group dwarf galaxies and orbital properties with a massive Large Magellanic Cloud
    Aims: We perform a comprehensive determination of the systemic proper motions of 74 dwarf galaxies and dwarf galaxy candidates in the Local Group based on Gaia...
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    Gaia Focused Product Release: Asteroid orbital solution. Properties and assessment
    Context. We report the exploitation of a sample of Solar System observations based on data from the third Gaia Data Release (Gaia DR3) of nearly 157 000...
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    Gaia Focused Product Release: Sources from Service Interface Function image analysis. Half a million new sources in omega Centauri
    Context. Gaia's readout window strategy is challenged by very dense fields in the sky. Therefore, in addition to standard Gaia observations, full Sky Mapper (SM...
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    Ground-based CCD astrometry with wide field imagers. III. WFI@2.2m proper-motion catalog of the globular cluster ω Centauri
    Context: ω Centauri is the most well studied Galactic Globular Cluster because of its numerous puzzling features: significant dispersion in metallicity...
  • Publicación
    Ground-based proper motions of nearby local group galaxies: A progress report for Fornax
    Determining the kinematics of the dwarf Spheroidal galaxies (dSph) satellites of the Milky Way (MW) is crucial to estimate the mass of our galaxy, to understand...
  • Publicación
    HAMC2 Astrometry and Photometry calibration and comparison of its data with those of other modern CCD catalogues
    The second Hispano-Argentinian Meridian Catalogue (HAMC2) contains more than 12.500.000 positions and magnitudes of stars brighter than V=16.5 and with...