Astrophysical: Astrometry

  • Publication
    The Second International Asteroid Warning Network Timing Campaign: 2005 LW3
    The Earth close approach of near-Earth asteroid 2005 LW3 on 2022 November 23 represented a good opportunity for a second observing campaign to test the timing...
  • Publication
    The stellar occultation by (319) Leona on 2023 September 13 in preparation for the occultation of Betelgeuse
    On 2023 December 12, the star α Orionis will be occulted by asteroid (319) Leona. This represents an extraordinary and unique opportunity to analyse the...
  • Publication
    The warm molecular gas and dust of Seyfert galaxies: two different phases of accretion?
    The distribution of warm molecular gas (1000-3000 K), traced by the near-IR H2 2.12 μm line, has been imaged with a resolution
  • Publication
    The young stellar population of IC 1613. I. A new catalogue of OB associations
    Context: Determining the parameters of massive stars is crucial to understand many processes in galaxies and the Universe, since these objects are important...
  • Publication
    Trigonometric parallaxes of young field L dwarfs
    Aims: We aim to determine the trigonometric parallaxes and proper motions of a sample of ten field L0-L5 dwarfs with spectroscopic evidence for low-gravity...
  • Publication
    Unidentified quasars among stationary objects from Gaia DR2
    Here we apply a technique selecting quasar candidates purely as sources with zero proper motions in the Gaia data release 2 (DR2). We demonstrate that this...
  • Publication
    varepsilon Indi B: A new benchmark T dwarf
    We have identified a new early T dwarf only 3.6 pc from the Sun, as a common proper motion companion (separation 1459 AU) to the K5V star varepsilon Indi (HD...
  • Publication
    Visible spectra of (474640) 2004 VN112-2013 RF98 with OSIRIS at the 10.4 m GTC: evidence for binary dissociation near aphelion among the extreme trans-Neptunian objects
    The existence of significant anisotropies in the distributions of the directions of perihelia and orbital poles of the known extreme trans-Neptunian objects...
  • Talk
    Why and How Gaia DR3 is revolutionizing Galactic Astronomy
    After placing the Gaia mission in the context of current astrophysical research, the astrometric, photometric, and spectroscopic data provided by the satellite...